auto import from //depot/cupcake/@135843
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
new file mode 100644
index 0000000..53640e5
--- /dev/null
+++ b/src/com/android/browser/BrowserActivity.java
@@ -0,0 +1,4567 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.browser;
+
+import com.google.android.googleapps.IGoogleLoginService;
+import com.google.android.googlelogin.GoogleLoginServiceConstants;
+
+import android.app.Activity;
+import android.app.ActivityManager;
+import android.app.AlertDialog;
+import android.app.ProgressDialog;
+import android.app.SearchManager;
+import android.content.ActivityNotFoundException;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.ServiceConnection;
+import android.content.DialogInterface.OnCancelListener;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.AssetManager;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteException;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.DrawFilter;
+import android.graphics.Paint;
+import android.graphics.PaintFlagsDrawFilter;
+import android.graphics.Picture;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.graphics.drawable.LayerDrawable;
+import android.graphics.drawable.PaintDrawable;
+import android.hardware.SensorListener;
+import android.hardware.SensorManager;
+import android.net.ConnectivityManager;
+import android.net.Uri;
+import android.net.WebAddress;
+import android.net.http.EventHandler;
+import android.net.http.SslCertificate;
+import android.net.http.SslError;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.os.Debug;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.PowerManager;
+import android.os.Process;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import android.os.SystemProperties;
+import android.preference.PreferenceManager;
+import android.provider.Browser;
+import android.provider.Contacts;
+import android.provider.Downloads;
+import android.provider.MediaStore;
+import android.provider.Contacts.Intents.Insert;
+import android.text.IClipboard;
+import android.text.TextUtils;
+import android.text.format.DateFormat;
+import android.text.util.Regex;
+import android.util.Config;
+import android.util.Log;
+import android.view.ContextMenu;
+import android.view.Gravity;
+import android.view.KeyEvent;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.View;
+import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowManager;
+import android.view.ContextMenu.ContextMenuInfo;
+import android.view.MenuItem.OnMenuItemClickListener;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+import android.view.animation.AnimationSet;
+import android.view.animation.DecelerateInterpolator;
+import android.view.animation.ScaleAnimation;
+import android.view.animation.TranslateAnimation;
+import android.webkit.CookieManager;
+import android.webkit.CookieSyncManager;
+import android.webkit.DownloadListener;
+import android.webkit.HttpAuthHandler;
+import android.webkit.SslErrorHandler;
+import android.webkit.URLUtil;
+import android.webkit.WebChromeClient;
+import android.webkit.WebHistoryItem;
+import android.webkit.WebIconDatabase;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.EditText;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.text.ParseException;
+import java.util.Date;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Vector;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class BrowserActivity extends Activity
+    implements KeyTracker.OnKeyTracker,
+        View.OnCreateContextMenuListener,
+        DownloadListener {
+
+    private IGoogleLoginService mGls = null;
+    private ServiceConnection mGlsConnection = null;
+
+    private SensorManager mSensorManager = null;
+
+    /* Whitelisted webpages
+    private static HashSet<String> sWhiteList;
+
+    static {
+        sWhiteList = new HashSet<String>();
+        sWhiteList.add("cnn.com/");
+        sWhiteList.add("espn.go.com/");
+        sWhiteList.add("nytimes.com/");
+        sWhiteList.add("engadget.com/");
+        sWhiteList.add("yahoo.com/");
+        sWhiteList.add("msn.com/");
+        sWhiteList.add("amazon.com/");
+        sWhiteList.add("consumerist.com/");
+        sWhiteList.add("google.com/m/news");
+    }
+    */
+
+    private void setupHomePage() {
+        final Runnable getAccount = new Runnable() {
+            public void run() {
+                // Lower priority
+                Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
+                // get the default home page
+                String homepage = mSettings.getHomePage();
+
+                try {
+                    if (mGls == null) return;
+
+                    String hostedUser = mGls.getAccount(GoogleLoginServiceConstants.PREFER_HOSTED);
+                    String googleUser = mGls.getAccount(GoogleLoginServiceConstants.REQUIRE_GOOGLE);
+
+                    // three cases:
+                    //
+                    //   hostedUser == googleUser
+                    //      The device has only a google account
+                    //
+                    //   hostedUser != googleUser
+                    //      The device has a hosted account and a google account
+                    //
+                    //   hostedUser != null, googleUser == null
+                    //      The device has only a hosted account (so far)
+
+                    // developers might have no accounts at all
+                    if (hostedUser == null) return;
+
+                    if (googleUser == null || !hostedUser.equals(googleUser)) {
+                        String domain = hostedUser.substring(hostedUser.lastIndexOf('@')+1);
+                        homepage = "http://www.google.com/m/a/" + domain + "?client=ms-" +
+                            SystemProperties.get("persist.sys.com.google.clientid", "unknown");
+                    }
+                } catch (RemoteException ignore) {
+                    // Login service died; carry on
+                } catch (RuntimeException ignore) {
+                    // Login service died; carry on
+                } finally {
+                    finish(homepage);
+                }
+            }
+
+            private void finish(final String homepage) {
+                mHandler.post(new Runnable() {
+                    public void run() {
+                        mSettings.setHomePage(BrowserActivity.this, homepage);
+                        resumeAfterCredentials();
+
+                        // as this is running in a separate thread,
+                        // BrowserActivity's onDestroy() may have been called,
+                        // which also calls unbindService().
+                        if (mGlsConnection != null) {
+                            // we no longer need to keep GLS open
+                            unbindService(mGlsConnection);
+                            mGlsConnection = null;
+                        }
+                    } });
+            } };
+
+        final boolean[] done = { false };
+
+        // Open a connection to the Google Login Service.  The first
+        // time the connection is established, set up the homepage depending on
+        // the account in a background thread.
+        mGlsConnection = new ServiceConnection() {
+            public void onServiceConnected(ComponentName className, IBinder service) {
+                mGls = IGoogleLoginService.Stub.asInterface(service);
+                if (done[0] == false) {
+                    done[0] = true;
+                    Thread account = new Thread(getAccount);
+                    account.setName("GLSAccount");
+                    account.start();
+                }
+            }
+            public void onServiceDisconnected(ComponentName className) {
+                mGls = null;
+            }
+        };
+
+        bindService(GoogleLoginServiceConstants.SERVICE_INTENT,
+                    mGlsConnection, Context.BIND_AUTO_CREATE);
+    }
+
+    /**
+     * This class is in charge of installing pre-packaged plugins
+     * from the Browser assets directory to the user's data partition.
+     * Plugins are loaded from the "plugins" directory in the assets;
+     * Anything that is in this directory will be copied over to the
+     * user data partition in app_plugins.
+     */
+    private class CopyPlugins implements Runnable {
+        final static String TAG = "PluginsInstaller";
+        final static String ZIP_FILTER = "assets/plugins/";
+        final static String APK_PATH = "/system/app/Browser.apk";
+        final static String PLUGIN_EXTENSION = ".so";
+        final static String TEMPORARY_EXTENSION = "_temp";
+        final static String BUILD_INFOS_FILE = "build.prop";
+        final static String SYSTEM_BUILD_INFOS_FILE = "/system/"
+                              + BUILD_INFOS_FILE;
+        final int BUFSIZE = 4096;
+        boolean mDoOverwrite = false;
+        String pluginsPath;
+        Context mContext;
+        File pluginsDir;
+        AssetManager manager;
+
+        public CopyPlugins (boolean overwrite, Context context) {
+            mDoOverwrite = overwrite;
+            mContext = context;
+        }
+
+        /**
+         * Returned a filtered list of ZipEntry.
+         * We list all the files contained in the zip and
+         * only returns the ones starting with the ZIP_FILTER
+         * path.
+         *
+         * @param zip the zip file used.
+         */
+        public Vector<ZipEntry> pluginsFilesFromZip(ZipFile zip) {
+            Vector<ZipEntry> list = new Vector<ZipEntry>();
+            Enumeration entries = zip.entries();
+            while (entries.hasMoreElements()) {
+                ZipEntry entry = (ZipEntry) entries.nextElement();
+                if (entry.getName().startsWith(ZIP_FILTER)) {
+                  list.add(entry);
+                }
+            }
+            return list;
+        }
+
+        /**
+         * Utility method to copy the content from an inputstream
+         * to a file output stream.
+         */
+        public void copyStreams(InputStream is, FileOutputStream fos) {
+            BufferedOutputStream os = null;
+            try {
+                byte data[] = new byte[BUFSIZE];
+                int count;
+                os = new BufferedOutputStream(fos, BUFSIZE);
+                while ((count = is.read(data, 0, BUFSIZE)) != -1) {
+                    os.write(data, 0, count);
+                }
+                os.flush();
+            } catch (IOException e) {
+                Log.e(TAG, "Exception while copying: " + e);
+            } finally {
+              try {
+                if (os != null) {
+                    os.close();
+                }
+              } catch (IOException e2) {
+                Log.e(TAG, "Exception while closing the stream: " + e2);
+              }
+            }
+        }
+
+        /**
+         * Returns a string containing the contents of a file
+         *
+         * @param file the target file
+         */
+        private String contentsOfFile(File file) {
+          String ret = null;
+          FileInputStream is = null;
+          try {
+            byte[] buffer = new byte[BUFSIZE];
+            int count;
+            is = new FileInputStream(file);
+            StringBuffer out = new StringBuffer();
+
+            while ((count = is.read(buffer, 0, BUFSIZE)) != -1) {
+              out.append(new String(buffer, 0, count));
+            }
+            ret = out.toString();
+          } catch (IOException e) {
+            Log.e(TAG, "Exception getting contents of file " + e);
+          } finally {
+            if (is != null) {
+              try {
+                is.close();
+              } catch (IOException e2) {
+                Log.e(TAG, "Exception while closing the file: " + e2);
+              }
+            }
+          }
+          return ret;
+        }
+
+        /**
+         * Utility method to initialize the user data plugins path.
+         */
+        public void initPluginsPath() {
+            BrowserSettings s = BrowserSettings.getInstance();
+            pluginsPath = s.getPluginsPath();
+            if (pluginsPath == null) {
+                s.loadFromDb(mContext);
+                pluginsPath = s.getPluginsPath();
+            }
+            if (Config.LOGV) {
+                Log.v(TAG, "Plugin path: " + pluginsPath);
+            }
+        }
+
+        /**
+         * Utility method to delete a file or a directory
+         *
+         * @param file the File to delete
+         */
+        public void deleteFile(File file) {
+            File[] files = file.listFiles();
+            if ((files != null) && files.length > 0) {
+              for (int i=0; i< files.length; i++) {
+                deleteFile(files[i]);
+              }
+            }
+            if (!file.delete()) {
+              Log.e(TAG, file.getPath() + " could not get deleted");
+            }
+        }
+
+        /**
+         * Clean the content of the plugins directory.
+         * We delete the directory, then recreate it.
+         */
+        public void cleanPluginsDirectory() {
+          if (Config.LOGV) {
+            Log.v(TAG, "delete plugins directory: " + pluginsPath);
+          }
+          File pluginsDirectory = new File(pluginsPath);
+          deleteFile(pluginsDirectory);
+          pluginsDirectory.mkdir();
+        }
+
+
+        /**
+         * Copy the SYSTEM_BUILD_INFOS_FILE file containing the
+         * informations about the system build to the
+         * BUILD_INFOS_FILE in the plugins directory.
+         */
+        public void copyBuildInfos() {
+          try {
+            if (Config.LOGV) {
+              Log.v(TAG, "Copy build infos to the plugins directory");
+            }
+            File buildInfoFile = new File(SYSTEM_BUILD_INFOS_FILE);
+            File buildInfoPlugins = new File(pluginsPath, BUILD_INFOS_FILE);
+            copyStreams(new FileInputStream(buildInfoFile),
+                        new FileOutputStream(buildInfoPlugins));
+          } catch (IOException e) {
+            Log.e(TAG, "Exception while copying the build infos: " + e);
+          }
+        }
+
+        /**
+         * Returns true if the current system is newer than the
+         * system that installed the plugins.
+         * We determinate this by checking the build number of the system.
+         *
+         * At the end of the plugins copy operation, we copy the
+         * SYSTEM_BUILD_INFOS_FILE to the BUILD_INFOS_FILE.
+         * We then just have to load both and compare them -- if they
+         * are different the current system is newer.
+         *
+         * Loading and comparing the strings should be faster than
+         * creating a hash, the files being rather small. Extracting the
+         * version number would require some parsing which may be more
+         * brittle.
+         */
+        public boolean newSystemImage() {
+          try {
+            File buildInfoFile = new File(SYSTEM_BUILD_INFOS_FILE);
+            File buildInfoPlugins = new File(pluginsPath, BUILD_INFOS_FILE);
+            if (!buildInfoPlugins.exists()) {
+              if (Config.LOGV) {
+                Log.v(TAG, "build.prop in plugins directory " + pluginsPath
+                  + " does not exist, therefore it's a new system image");
+              }
+              return true;
+            } else {
+              String buildInfo = contentsOfFile(buildInfoFile);
+              String buildInfoPlugin = contentsOfFile(buildInfoPlugins);
+              if (buildInfo == null || buildInfoPlugin == null
+                  || buildInfo.compareTo(buildInfoPlugin) != 0) {
+                if (Config.LOGV) {
+                  Log.v(TAG, "build.prop are different, "
+                    + " therefore it's a new system image");
+                }
+                return true;
+              }
+            }
+          } catch (Exception e) {
+            Log.e(TAG, "Exc in newSystemImage(): " + e);
+          }
+          return false;
+        }
+
+        /**
+         * Check if the version of the plugins contained in the
+         * Browser assets is the same as the version of the plugins
+         * in the plugins directory.
+         * We simply iterate on every file in the assets/plugins
+         * and return false if a file listed in the assets does
+         * not exist in the plugins directory.
+         */
+        private boolean checkIsDifferentVersions() {
+          try {
+            ZipFile zip = new ZipFile(APK_PATH);
+            Vector<ZipEntry> files = pluginsFilesFromZip(zip);
+            int zipFilterLength = ZIP_FILTER.length();
+
+            Enumeration entries = files.elements();
+            while (entries.hasMoreElements()) {
+              ZipEntry entry = (ZipEntry) entries.nextElement();
+              String path = entry.getName().substring(zipFilterLength);
+              File outputFile = new File(pluginsPath, path);
+              if (!outputFile.exists()) {
+                if (Config.LOGV) {
+                  Log.v(TAG, "checkIsDifferentVersions(): extracted file "
+                    + path + " does not exist, we have a different version");
+                }
+                return true;
+              }
+            }
+          } catch (IOException e) {
+            Log.e(TAG, "Exception in checkDifferentVersions(): " + e);
+          }
+          return false;
+        }
+
+        /**
+         * Copy every files from the assets/plugins directory
+         * to the app_plugins directory in the data partition.
+         * Once copied, we copy over the SYSTEM_BUILD_INFOS file
+         * in the plugins directory.
+         *
+         * NOTE: we directly access the content from the Browser
+         * package (it's a zip file) and do not use AssetManager
+         * as there is a limit of 1Mb (see Asset.h)
+         */
+        public void run() {
+            // Lower the priority
+            Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
+            try {
+                if (pluginsPath == null) {
+                    Log.e(TAG, "No plugins path found!");
+                    return;
+                }
+
+                ZipFile zip = new ZipFile(APK_PATH);
+                Vector<ZipEntry> files = pluginsFilesFromZip(zip);
+                Vector<File> plugins = new Vector<File>();
+                int zipFilterLength = ZIP_FILTER.length();
+
+                Enumeration entries = files.elements();
+                while (entries.hasMoreElements()) {
+                    ZipEntry entry = (ZipEntry) entries.nextElement();
+                    String path = entry.getName().substring(zipFilterLength);
+                    File outputFile = new File(pluginsPath, path);
+                    outputFile.getParentFile().mkdirs();
+
+                    if (outputFile.exists() && !mDoOverwrite) {
+                        if (Config.LOGV) {
+                            Log.v(TAG, path + " already extracted.");
+                        }
+                    } else {
+                        if (path.endsWith(PLUGIN_EXTENSION)) {
+                            // We rename plugins to be sure a half-copied
+                            // plugin is not loaded by the browser.
+                            plugins.add(outputFile);
+                            outputFile = new File(pluginsPath,
+                                path + TEMPORARY_EXTENSION);
+                        }
+                        FileOutputStream fos = new FileOutputStream(outputFile);
+                        if (Config.LOGV) {
+                            Log.v(TAG, "copy " + entry + " to "
+                                + pluginsPath + "/" + path);
+                        }
+                        copyStreams(zip.getInputStream(entry), fos);
+                    }
+                }
+
+                // We now rename the .so we copied, once all their resources
+                // are safely copied over to the user data partition.
+                Enumeration elems = plugins.elements();
+                while (elems.hasMoreElements()) {
+                    File renamedFile = (File) elems.nextElement();
+                    File sourceFile = new File(renamedFile.getPath()
+                        + TEMPORARY_EXTENSION);
+                    if (Config.LOGV) {
+                        Log.v(TAG, "rename " + sourceFile.getPath()
+                            + " to " + renamedFile.getPath());
+                    }
+                    sourceFile.renameTo(renamedFile);
+                }
+
+                copyBuildInfos();
+
+                // Refresh the plugin list.
+                if (mTabControl.getCurrentWebView() != null) {
+                    mTabControl.getCurrentWebView().refreshPlugins(false);
+                }
+            } catch (IOException e) {
+                Log.e(TAG, "IO Exception: " + e);
+            }
+        }
+    };
+
+    /**
+     * Copy the content of assets/plugins/ to the app_plugins directory
+     * in the data partition.
+     *
+     * This function is called every time the browser is started.
+     * We first check if the system image is newer than the one that
+     * copied the plugins (if there's plugins in the data partition).
+     * If this is the case, we then check if the versions are different.
+     * If they are different, we clean the plugins directory in the
+     * data partition, then start a thread to copy the plugins while
+     * the browser continue to load.
+     *
+     * @param overwrite if true overwrite the files even if they are
+     * already present (to let the user "reset" the plugins if needed).
+     */
+    private void copyPlugins(boolean overwrite) {
+        CopyPlugins copyPluginsFromAssets = new CopyPlugins(overwrite, this);
+        copyPluginsFromAssets.initPluginsPath();
+        if (copyPluginsFromAssets.newSystemImage())  {
+          if (copyPluginsFromAssets.checkIsDifferentVersions()) {
+            copyPluginsFromAssets.cleanPluginsDirectory();
+            Thread copyplugins = new Thread(copyPluginsFromAssets);
+            copyplugins.setName("CopyPlugins");
+            copyplugins.start();
+          }
+        }
+    }
+
+    private class ClearThumbnails extends AsyncTask<File, Void, Void> {
+        @Override
+        public Void doInBackground(File... files) {
+            if (files != null) {
+                for (File f : files) {
+                    f.delete();
+                }
+            }
+            return null;
+        }
+    }
+
+    @Override public void onCreate(Bundle icicle) {
+        if (Config.LOGV) {
+            Log.v(LOGTAG, this + " onStart");
+        }
+        super.onCreate(icicle);
+        this.requestWindowFeature(Window.FEATURE_LEFT_ICON);
+        this.requestWindowFeature(Window.FEATURE_RIGHT_ICON);
+        this.requestWindowFeature(Window.FEATURE_PROGRESS);
+        this.requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
+
+        // test the browser in OpenGL
+        // requestWindowFeature(Window.FEATURE_OPENGL);
+
+        setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
+
+        mResolver = getContentResolver();
+
+        setBaseSearchUrl(PreferenceManager.getDefaultSharedPreferences(this)
+                .getString("search_url", ""));
+
+        //
+        // start MASF proxy service
+        //
+        //Intent proxyServiceIntent = new Intent();
+        //proxyServiceIntent.setComponent
+        //    (new ComponentName(
+        //        "com.android.masfproxyservice",
+        //        "com.android.masfproxyservice.MasfProxyService"));
+        //startService(proxyServiceIntent, null);
+
+        mSecLockIcon = Resources.getSystem().getDrawable(
+                android.R.drawable.ic_secure);
+        mMixLockIcon = Resources.getSystem().getDrawable(
+                android.R.drawable.ic_partial_secure);
+        mGenericFavicon = getResources().getDrawable(
+                R.drawable.app_web_browser_sm);
+
+        mContentView = (FrameLayout) getWindow().getDecorView().findViewById(
+                com.android.internal.R.id.content);
+
+        // Create the tab control and our initial tab
+        mTabControl = new TabControl(this);
+
+        // Open the icon database and retain all the bookmark urls for favicons
+        retainIconsOnStartup();
+
+        // Keep a settings instance handy.
+        mSettings = BrowserSettings.getInstance();
+        mSettings.setTabControl(mTabControl);
+        mSettings.loadFromDb(this);
+
+        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+        mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Browser");
+
+        if (!mTabControl.restoreState(icicle)) {
+            // clear up the thumbnail directory if we can't restore the state as
+            // none of the files in the directory are referenced any more.
+            new ClearThumbnails().execute(
+                    mTabControl.getThumbnailDir().listFiles());
+            final Intent intent = getIntent();
+            final Bundle extra = intent.getExtras();
+            // Create an initial tab.
+            // If the intent is ACTION_VIEW and data is not null, the Browser is
+            // invoked to view the content by another application. In this case,
+            // the tab will be close when exit.
+            final TabControl.Tab t = mTabControl.createNewTab(
+                    Intent.ACTION_VIEW.equals(intent.getAction()) &&
+                    intent.getData() != null);
+            mTabControl.setCurrentTab(t);
+            // This is one of the only places we call attachTabToContentView
+            // without animating from the tab picker.
+            attachTabToContentView(t);
+            WebView webView = t.getWebView();
+            if (extra != null) {
+                int scale = extra.getInt(Browser.INITIAL_ZOOM_LEVEL, 0);
+                if (scale > 0 && scale <= 1000) {
+                    webView.setInitialScale(scale);
+                }
+            }
+            // If we are not restoring from an icicle, then there is a high
+            // likely hood this is the first run. So, check to see if the
+            // homepage needs to be configured and copy any plugins from our
+            // asset directory to the data partition.
+            if ((extra == null || !extra.getBoolean("testing"))
+                    && !mSettings.isLoginInitialized()) {
+                setupHomePage();
+            }
+            copyPlugins(true);
+
+            String url = getUrlFromIntent(intent);
+            if (url == null || url.length() == 0) {
+                if (mSettings.isLoginInitialized()) {
+                    webView.loadUrl(mSettings.getHomePage());
+                } else {
+                    waitForCredentials();
+                }
+            } else {
+                webView.loadUrl(url);
+            }
+        } else {
+            // TabControl.restoreState() will create a new tab even if
+            // restoring the state fails. Attach it to the view here since we
+            // are not animating from the tab picker.
+            attachTabToContentView(mTabControl.getCurrentTab());
+        }
+
+        /* enables registration for changes in network status from
+           http stack */
+        mNetworkStateChangedFilter = new IntentFilter();
+        mNetworkStateChangedFilter.addAction(
+                ConnectivityManager.CONNECTIVITY_ACTION);
+        mNetworkStateIntentReceiver = new BroadcastReceiver() {
+                @Override
+                public void onReceive(Context context, Intent intent) {
+                    if (intent.getAction().equals(
+                            ConnectivityManager.CONNECTIVITY_ACTION)) {
+                        boolean down = intent.getBooleanExtra(
+                                ConnectivityManager.EXTRA_NO_CONNECTIVITY, false);
+                        onNetworkToggle(!down);
+                    }
+                }
+            };
+    }
+
+    @Override
+    protected void onNewIntent(Intent intent) {
+        TabControl.Tab current = mTabControl.getCurrentTab();
+        // When a tab is closed on exit, the current tab index is set to -1.
+        // Reset before proceed as Browser requires the current tab to be set.
+        if (current == null) {
+            // Try to reset the tab in case the index was incorrect.
+            current = mTabControl.getTab(0);
+            if (current == null) {
+                // No tabs at all so just ignore this intent.
+                return;
+            }
+            mTabControl.setCurrentTab(current);
+            attachTabToContentView(current);
+            resetTitleAndIcon(current.getWebView());
+        }
+        final String action = intent.getAction();
+        final int flags = intent.getFlags();
+        if (Intent.ACTION_MAIN.equals(action) ||
+                (flags & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) != 0) {
+            // just resume the browser
+            return;
+        }
+        if (Intent.ACTION_VIEW.equals(action)
+                || Intent.ACTION_SEARCH.equals(action)
+                || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
+                || Intent.ACTION_WEB_SEARCH.equals(action)) {
+            String url = getUrlFromIntent(intent);
+            if (url == null || url.length() == 0) {
+                url = mSettings.getHomePage();
+            }
+            if (Intent.ACTION_VIEW.equals(action) &&
+                    (flags & Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) != 0) {
+                // if FLAG_ACTIVITY_BROUGHT_TO_FRONT flag is on, the url will be
+                // opened in a new tab unless we have reached MAX_TABS. Then the
+                // url will be opened in the current tab. If a new tab is
+                // created, it will have "true" for exit on close.
+                openTabAndShow(url, null, true);
+            } else {
+                if ("about:debug".equals(url)) {
+                    mSettings.toggleDebugSettings();
+                    return;
+                }
+                // If the Window overview is up and we are not in the midst of
+                // an animation, animate away from the Window overview.
+                if (mTabOverview != null && mAnimationCount == 0) {
+                    sendAnimateFromOverview(current, false, url,
+                            TAB_OVERVIEW_DELAY, null);
+                } else {
+                    // Get rid of the subwindow if it exists
+                    dismissSubWindow(current);
+                    current.getWebView().loadUrl(url);
+                }
+            }
+        }
+    }
+
+    private String getUrlFromIntent(Intent intent) {
+        String url = null;
+        if (intent != null) {
+            final String action = intent.getAction();
+            if (Intent.ACTION_VIEW.equals(action)) {
+                url = smartUrlFilter(intent.getData());
+                if (url != null && url.startsWith("content:")) {
+                    /* Append mimetype so webview knows how to display */
+                    String mimeType = intent.resolveType(getContentResolver());
+                    if (mimeType != null) {
+                        url += "?" + mimeType;
+                    }
+                }
+            } else if (Intent.ACTION_SEARCH.equals(action)
+                    || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)
+                    || Intent.ACTION_WEB_SEARCH.equals(action)) {
+                url = intent.getStringExtra(SearchManager.QUERY);
+                if (url != null) {
+                    mLastEnteredUrl = url;
+                    // Don't add Urls, just search terms.
+                    // Urls will get added when the page is loaded.
+                    if (!Regex.WEB_URL_PATTERN.matcher(url).matches()) {
+                        Browser.updateVisitedHistory(mResolver, url, false);
+                    }
+                    // In general, we shouldn't modify URL from Intent.
+                    // But currently, we get the user-typed URL from search box as well.
+                    url = fixUrl(url);
+                    url = smartUrlFilter(url);
+                    String searchSource = "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&";
+                    if (url.contains(searchSource)) {
+                        String source = null;
+                        final Bundle appData = intent.getBundleExtra(SearchManager.APP_DATA);
+                        if (appData != null) {
+                            source = appData.getString(SearchManager.SOURCE);
+                        }
+                        if (TextUtils.isEmpty(source)) {
+                            source = GOOGLE_SEARCH_SOURCE_UNKNOWN;
+                        }
+                        url = url.replace(searchSource, "&source=android-"+source+"&");
+                    }
+                }
+            }
+        }
+        return url;
+    }
+
+    /* package */ static String fixUrl(String inUrl) {
+        if (inUrl.startsWith("http://") || inUrl.startsWith("https://"))
+            return inUrl;
+        if (inUrl.startsWith("http:") ||
+                inUrl.startsWith("https:")) {
+            if (inUrl.startsWith("http:/") || inUrl.startsWith("https:/")) {
+                inUrl = inUrl.replaceFirst("/", "//");
+            } else inUrl = inUrl.replaceFirst(":", "://");
+        }
+        return inUrl;
+    }
+
+    /**
+     * Looking for the pattern like this
+     *
+     *          *
+     *         * *
+     *      ***   *     *******
+     *             *   *
+     *              * *
+     *               *
+     */
+    private final SensorListener mSensorListener = new SensorListener() {
+        private long mLastGestureTime;
+        private float[] mPrev = new float[3];
+        private float[] mPrevDiff = new float[3];
+        private float[] mDiff = new float[3];
+        private float[] mRevertDiff = new float[3];
+
+        public void onSensorChanged(int sensor, float[] values) {
+            boolean show = false;
+            float[] diff = new float[3];
+
+            for (int i = 0; i < 3; i++) {
+                diff[i] = values[i] - mPrev[i];
+                if (Math.abs(diff[i]) > 1) {
+                    show = true;
+                }
+                if ((diff[i] > 1.0 && mDiff[i] < 0.2)
+                        || (diff[i] < -1.0 && mDiff[i] > -0.2)) {
+                    // start track when there is a big move, or revert
+                    mRevertDiff[i] = mDiff[i];
+                    mDiff[i] = 0;
+                } else if (diff[i] > -0.2 && diff[i] < 0.2) {
+                    // reset when it is flat
+                    mDiff[i] = mRevertDiff[i]  = 0;
+                }
+                mDiff[i] += diff[i];
+                mPrevDiff[i] = diff[i];
+                mPrev[i] = values[i];
+            }
+
+            if (false) {
+                // only shows if we think the delta is big enough, in an attempt
+                // to detect "serious" moves left/right or up/down
+                Log.d("BrowserSensorHack", "sensorChanged " + sensor + " ("
+                        + values[0] + ", " + values[1] + ", " + values[2] + ")"
+                        + " diff(" + diff[0] + " " + diff[1] + " " + diff[2]
+                        + ")");
+                Log.d("BrowserSensorHack", "      mDiff(" + mDiff[0] + " "
+                        + mDiff[1] + " " + mDiff[2] + ")" + " mRevertDiff("
+                        + mRevertDiff[0] + " " + mRevertDiff[1] + " "
+                        + mRevertDiff[2] + ")");
+            }
+
+            long now = android.os.SystemClock.uptimeMillis();
+            if (now - mLastGestureTime > 1000) {
+                mLastGestureTime = 0;
+
+                float y = mDiff[1];
+                float z = mDiff[2];
+                float ay = Math.abs(y);
+                float az = Math.abs(z);
+                float ry = mRevertDiff[1];
+                float rz = mRevertDiff[2];
+                float ary = Math.abs(ry);
+                float arz = Math.abs(rz);
+                boolean gestY = ay > 2.5f && ary > 1.0f && ay > ary;
+                boolean gestZ = az > 3.5f && arz > 1.0f && az > arz;
+
+                if ((gestY || gestZ) && !(gestY && gestZ)) {
+                    WebView view = mTabControl.getCurrentWebView();
+
+                    if (view != null) {
+                        if (gestZ) {
+                            if (z < 0) {
+                                view.zoomOut();
+                            } else {
+                                view.zoomIn();
+                            }
+                        } else {
+                            view.flingScroll(0, Math.round(y * 100));
+                        }
+                    }
+                    mLastGestureTime = now;
+                }
+            }
+        }
+
+        public void onAccuracyChanged(int sensor, int accuracy) {
+            // TODO Auto-generated method stub
+
+        }
+    };
+
+    @Override protected void onResume() {
+        super.onResume();
+        if (Config.LOGV) {
+            Log.v(LOGTAG, "BrowserActivity.onResume: this=" + this);
+        }
+
+        if (!mActivityInPause) {
+            Log.e(LOGTAG, "BrowserActivity is already resumed.");
+            return;
+        }
+
+        mActivityInPause = false;
+        resumeWebView();
+
+        if (mWakeLock.isHeld()) {
+            mHandler.removeMessages(RELEASE_WAKELOCK);
+            mWakeLock.release();
+        }
+
+        if (mCredsDlg != null) {
+            if (!mHandler.hasMessages(CANCEL_CREDS_REQUEST)) {
+             // In case credential request never comes back
+                mHandler.sendEmptyMessageDelayed(CANCEL_CREDS_REQUEST, 6000);
+            }
+        }
+
+        registerReceiver(mNetworkStateIntentReceiver,
+                         mNetworkStateChangedFilter);
+        WebView.enablePlatformNotifications();
+
+        if (mSettings.doFlick()) {
+            if (mSensorManager == null) {
+                mSensorManager = (SensorManager) getSystemService(
+                        Context.SENSOR_SERVICE);
+            }
+            mSensorManager.registerListener(mSensorListener,
+                    SensorManager.SENSOR_ACCELEROMETER,
+                    SensorManager.SENSOR_DELAY_FASTEST);
+        } else {
+            mSensorManager = null;
+        }
+    }
+
+    /**
+     *  onSaveInstanceState(Bundle map)
+     *  onSaveInstanceState is called right before onStop(). The map contains
+     *  the saved state.
+     */
+    @Override protected void onSaveInstanceState(Bundle outState) {
+        if (Config.LOGV) {
+            Log.v(LOGTAG, "BrowserActivity.onSaveInstanceState: this=" + this);
+        }
+        // the default implementation requires each view to have an id. As the
+        // browser handles the state itself and it doesn't use id for the views,
+        // don't call the default implementation. Otherwise it will trigger the
+        // warning like this, "couldn't save which view has focus because the
+        // focused view XXX has no id".
+
+        // Save all the tabs
+        mTabControl.saveState(outState);
+    }
+
+    @Override protected void onPause() {
+        super.onPause();
+
+        if (mActivityInPause) {
+            Log.e(LOGTAG, "BrowserActivity is already paused.");
+            return;
+        }
+
+        mActivityInPause = true;
+        if (mTabControl.getCurrentIndex() >= 0 && !pauseWebView()) {
+            mWakeLock.acquire();
+            mHandler.sendMessageDelayed(mHandler
+                    .obtainMessage(RELEASE_WAKELOCK), WAKELOCK_TIMEOUT);
+        }
+
+        // Clear the credentials toast if it is up
+        if (mCredsDlg != null && mCredsDlg.isShowing()) {
+            mCredsDlg.dismiss();
+        }
+        mCredsDlg = null;
+
+        cancelStopToast();
+
+        // unregister network state listener
+        unregisterReceiver(mNetworkStateIntentReceiver);
+        WebView.disablePlatformNotifications();
+
+        if (mSensorManager != null) {
+            mSensorManager.unregisterListener(mSensorListener);
+        }
+    }
+
+    @Override protected void onDestroy() {
+        if (Config.LOGV) {
+            Log.v(LOGTAG, "BrowserActivity.onDestroy: this=" + this);
+        }
+        super.onDestroy();
+        // Remove the current tab and sub window
+        TabControl.Tab t = mTabControl.getCurrentTab();
+        dismissSubWindow(t);
+        removeTabFromContentView(t);
+        // Destroy all the tabs
+        mTabControl.destroy();
+        WebIconDatabase.getInstance().close();
+        if (mGlsConnection != null) {
+            unbindService(mGlsConnection);
+            mGlsConnection = null;
+        }
+
+        //
+        // stop MASF proxy service
+        //
+        //Intent proxyServiceIntent = new Intent();
+        //proxyServiceIntent.setComponent
+        //   (new ComponentName(
+        //        "com.android.masfproxyservice",
+        //        "com.android.masfproxyservice.MasfProxyService"));
+        //stopService(proxyServiceIntent);
+    }
+
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+
+        if (mPageInfoDialog != null) {
+            mPageInfoDialog.dismiss();
+            showPageInfo(
+                mPageInfoView,
+                mPageInfoFromShowSSLCertificateOnError.booleanValue());
+        }
+        if (mSSLCertificateDialog != null) {
+            mSSLCertificateDialog.dismiss();
+            showSSLCertificate(
+                mSSLCertificateView);
+        }
+        if (mSSLCertificateOnErrorDialog != null) {
+            mSSLCertificateOnErrorDialog.dismiss();
+            showSSLCertificateOnError(
+                mSSLCertificateOnErrorView,
+                mSSLCertificateOnErrorHandler,
+                mSSLCertificateOnErrorError);
+        }
+        if (mHttpAuthenticationDialog != null) {
+            String title = ((TextView) mHttpAuthenticationDialog
+                    .findViewById(com.android.internal.R.id.alertTitle)).getText()
+                    .toString();
+            String name = ((TextView) mHttpAuthenticationDialog
+                    .findViewById(R.id.username_edit)).getText().toString();
+            String password = ((TextView) mHttpAuthenticationDialog
+                    .findViewById(R.id.password_edit)).getText().toString();
+            int focusId = mHttpAuthenticationDialog.getCurrentFocus()
+                    .getId();
+            mHttpAuthenticationDialog.dismiss();
+            showHttpAuthentication(mHttpAuthHandler, null, null, title,
+                    name, password, focusId);
+        }
+        if (mFindDialog != null && mFindDialog.isShowing()) {
+            mFindDialog.onConfigurationChanged(newConfig);
+        }
+    }
+
+    @Override public void onLowMemory() {
+        super.onLowMemory();
+        mTabControl.freeMemory();
+    }
+
+    private boolean resumeWebView() {
+        if ((!mActivityInPause && !mPageStarted) ||
+                (mActivityInPause && mPageStarted)) {
+            CookieSyncManager.getInstance().startSync();
+            WebView w = mTabControl.getCurrentWebView();
+            if (w != null) {
+                w.resumeTimers();
+            }
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    private boolean pauseWebView() {
+        if (mActivityInPause && !mPageStarted) {
+            CookieSyncManager.getInstance().stopSync();
+            WebView w = mTabControl.getCurrentWebView();
+            if (w != null) {
+                w.pauseTimers();
+            }
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /*
+     * This function is called when we are launching for the first time. We
+     * are waiting for the login credentials before loading Google home
+     * pages. This way the user will be logged in straight away.
+     */
+    private void waitForCredentials() {
+        // Show a toast
+        mCredsDlg = new ProgressDialog(this);
+        mCredsDlg.setIndeterminate(true);
+        mCredsDlg.setMessage(getText(R.string.retrieving_creds_dlg_msg));
+        // If the user cancels the operation, then cancel the Google
+        // Credentials request.
+        mCredsDlg.setCancelMessage(mHandler.obtainMessage(CANCEL_CREDS_REQUEST));
+        mCredsDlg.show();
+
+        // We set a timeout for the retrieval of credentials in onResume()
+        // as that is when we have freed up some CPU time to get
+        // the login credentials.
+    }
+
+    /*
+     * If we have received the credentials or we have timed out and we are
+     * showing the credentials dialog, then it is time to move on.
+     */
+    private void resumeAfterCredentials() {
+        if (mCredsDlg == null) {
+            return;
+        }
+
+        // Clear the toast
+        if (mCredsDlg.isShowing()) {
+            mCredsDlg.dismiss();
+        }
+        mCredsDlg = null;
+
+        // Clear any pending timeout
+        mHandler.removeMessages(CANCEL_CREDS_REQUEST);
+
+        // Load the page
+        WebView w = mTabControl.getCurrentWebView();
+        if (w != null) {
+            w.loadUrl(mSettings.getHomePage());
+        }
+
+        // Update the settings, need to do this last as it can take a moment
+        // to persist the settings. In the mean time we could be loading
+        // content.
+        mSettings.setLoginInitialized(this);
+    }
+
+    // Open the icon database and retain all the icons for visited sites.
+    private void retainIconsOnStartup() {
+        final WebIconDatabase db = WebIconDatabase.getInstance();
+        db.open(getDir("icons", 0).getPath());
+        try {
+            Cursor c = Browser.getAllBookmarks(mResolver);
+            if (!c.moveToFirst()) {
+                c.deactivate();
+                return;
+            }
+            int urlIndex = c.getColumnIndex(Browser.BookmarkColumns.URL);
+            do {
+                String url = c.getString(urlIndex);
+                db.retainIconForPageUrl(url);
+            } while (c.moveToNext());
+            c.deactivate();
+        } catch (IllegalStateException e) {
+            Log.e(LOGTAG, "retainIconsOnStartup", e);
+        }
+    }
+
+    // Helper method for getting the top window.
+    WebView getTopWindow() {
+        return mTabControl.getCurrentTopWebView();
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        super.onCreateOptionsMenu(menu);
+
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.browser, menu);
+        mMenu = menu;
+        updateInLoadMenuItems();
+        return true;
+    }
+
+    /**
+     * As the menu can be open when loading state changes
+     * we must manually update the state of the stop/reload menu
+     * item
+     */
+    private void updateInLoadMenuItems() {
+        if (mMenu == null) {
+            return;
+        }
+        MenuItem src = mInLoad ?
+                mMenu.findItem(R.id.stop_menu_id):
+                    mMenu.findItem(R.id.reload_menu_id);
+        MenuItem dest = mMenu.findItem(R.id.stop_reload_menu_id);
+        dest.setIcon(src.getIcon());
+        dest.setTitle(src.getTitle());
+    }
+
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+        // chording is not an issue with context menus, but we use the same
+        // options selector, so set mCanChord to true so we can access them.
+        mCanChord = true;
+        int id = item.getItemId();
+        final WebView webView = getTopWindow();
+        final HashMap hrefMap = new HashMap();
+        hrefMap.put("webview", webView);
+        final Message msg = mHandler.obtainMessage(
+                FOCUS_NODE_HREF, id, 0, hrefMap);
+        switch (id) {
+            // -- Browser context menu
+            case R.id.open_context_menu_id:
+            case R.id.open_newtab_context_menu_id:
+            case R.id.bookmark_context_menu_id:
+            case R.id.save_link_context_menu_id:
+            case R.id.share_link_context_menu_id:
+            case R.id.copy_link_context_menu_id:
+                webView.requestFocusNodeHref(msg);
+                break;
+
+            default:
+                // For other context menus
+                return onOptionsItemSelected(item);
+        }
+        mCanChord = false;
+        return true;
+    }
+
+    private Bundle createGoogleSearchSourceBundle(String source) {
+        Bundle bundle = new Bundle();
+        bundle.putString(SearchManager.SOURCE, source);
+        return bundle;
+    }
+
+    /**
+     * Overriding this forces the search key to launch global search.  The difference
+     * is the final "true" which requests global search.
+     */
+    @Override
+    public boolean onSearchRequested() {
+        startSearch(null, false,
+                createGoogleSearchSourceBundle(GOOGLE_SEARCH_SOURCE_SEARCHKEY), true);
+        return true;
+    }
+
+    @Override
+    public void startSearch(String initialQuery, boolean selectInitialQuery,
+            Bundle appSearchData, boolean globalSearch) {
+        if (appSearchData == null) {
+            appSearchData = createGoogleSearchSourceBundle(GOOGLE_SEARCH_SOURCE_TYPE);
+        }
+        super.startSearch(initialQuery, selectInitialQuery, appSearchData, globalSearch);
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (!mCanChord) {
+            // The user has already fired a shortcut with this hold down of the
+            // menu key.
+            return false;
+        }
+        switch (item.getItemId()) {
+            // -- Main menu
+            case R.id.goto_menu_id: {
+                String url = getTopWindow().getUrl();
+                startSearch(mSettings.getHomePage().equals(url) ? null : url, true,
+                        createGoogleSearchSourceBundle(GOOGLE_SEARCH_SOURCE_GOTO), false);
+                }
+                break;
+
+            case R.id.bookmarks_menu_id:
+                bookmarksOrHistoryPicker(false);
+                break;
+
+            case R.id.windows_menu_id:
+                if (mTabControl.getTabCount() == 1) {
+                    openTabAndShow(mSettings.getHomePage(), null, false);
+                } else {
+                    tabPicker(true, mTabControl.getCurrentIndex(), false);
+                }
+                break;
+
+            case R.id.stop_reload_menu_id:
+                if (mInLoad) {
+                    stopLoading();
+                } else {
+                    getTopWindow().reload();
+                }
+                break;
+
+            case R.id.back_menu_id:
+                getTopWindow().goBack();
+                break;
+
+            case R.id.forward_menu_id:
+                getTopWindow().goForward();
+                break;
+
+            case R.id.close_menu_id:
+                // Close the subwindow if it exists.
+                if (mTabControl.getCurrentSubWindow() != null) {
+                    dismissSubWindow(mTabControl.getCurrentTab());
+                    break;
+                }
+                final int currentIndex = mTabControl.getCurrentIndex();
+                final TabControl.Tab parent =
+                        mTabControl.getCurrentTab().getParentTab();
+                int indexToShow = -1;
+                if (parent != null) {
+                    indexToShow = mTabControl.getTabIndex(parent);
+                } else {
+                    // Get the last tab in the list. If it is the current tab,
+                    // subtract 1 more.
+                    indexToShow = mTabControl.getTabCount() - 1;
+                    if (currentIndex == indexToShow) {
+                        indexToShow--;
+                    }
+                }
+                switchTabs(currentIndex, indexToShow, true);
+                break;
+
+            case R.id.homepage_menu_id:
+                TabControl.Tab current = mTabControl.getCurrentTab();
+                if (current != null) {
+                    dismissSubWindow(current);
+                    current.getWebView().loadUrl(mSettings.getHomePage());
+                }
+                break;
+
+            case R.id.preferences_menu_id:
+                Intent intent = new Intent(this,
+                        BrowserPreferencesPage.class);
+                startActivityForResult(intent, PREFERENCES_PAGE);
+                break;
+
+            case R.id.find_menu_id:
+                if (null == mFindDialog) {
+                    mFindDialog = new FindDialog(this);
+                }
+                mFindDialog.setWebView(getTopWindow());
+                mFindDialog.show();
+                mMenuState = EMPTY_MENU;
+                break;
+
+            case R.id.select_text_id:
+                getTopWindow().emulateShiftHeld();
+                break;
+            case R.id.page_info_menu_id:
+                showPageInfo(mTabControl.getCurrentTab(), false);
+                break;
+
+            case R.id.classic_history_menu_id:
+                bookmarksOrHistoryPicker(true);
+                break;
+
+            case R.id.share_page_menu_id:
+                Browser.sendString(this, getTopWindow().getUrl());
+                break;
+
+            case R.id.dump_nav_menu_id:
+                getTopWindow().debugDump();
+                break;
+
+            case R.id.zoom_in_menu_id:
+                getTopWindow().zoomIn();
+                break;
+
+            case R.id.zoom_out_menu_id:
+                getTopWindow().zoomOut();
+                break;
+
+            case R.id.view_downloads_menu_id:
+                viewDownloads(null);
+                break;
+
+            // -- Tab menu
+            case R.id.view_tab_menu_id:
+                if (mTabListener != null && mTabOverview != null) {
+                    int pos = mTabOverview.getContextMenuPosition(item);
+                    mTabOverview.setCurrentIndex(pos);
+                    mTabListener.onClick(pos);
+                }
+                break;
+
+            case R.id.remove_tab_menu_id:
+                if (mTabListener != null && mTabOverview != null) {
+                    int pos = mTabOverview.getContextMenuPosition(item);
+                    mTabListener.remove(pos);
+                }
+                break;
+
+            case R.id.new_tab_menu_id:
+                // No need to check for mTabOverview here since we are not
+                // dependent on it for a position.
+                if (mTabListener != null) {
+                    // If the overview happens to be non-null, make the "New
+                    // Tab" cell visible.
+                    if (mTabOverview != null) {
+                        mTabOverview.setCurrentIndex(ImageGrid.NEW_TAB);
+                    }
+                    mTabListener.onClick(ImageGrid.NEW_TAB);
+                }
+                break;
+
+            case R.id.bookmark_tab_menu_id:
+                if (mTabListener != null && mTabOverview != null) {
+                    int pos = mTabOverview.getContextMenuPosition(item);
+                    TabControl.Tab t = mTabControl.getTab(pos);
+                    // Since we called populatePickerData for all of the
+                    // tabs, getTitle and getUrl will return appropriate
+                    // values.
+                    Browser.saveBookmark(BrowserActivity.this, t.getTitle(),
+                            t.getUrl());
+                }
+                break;
+
+            case R.id.history_tab_menu_id:
+                bookmarksOrHistoryPicker(true);
+                break;
+
+            case R.id.bookmarks_tab_menu_id:
+                bookmarksOrHistoryPicker(false);
+                break;
+
+            case R.id.properties_tab_menu_id:
+                if (mTabListener != null && mTabOverview != null) {
+                    int pos = mTabOverview.getContextMenuPosition(item);
+                    showPageInfo(mTabControl.getTab(pos), false);
+                }
+                break;
+
+            case R.id.window_one_menu_id:
+            case R.id.window_two_menu_id:
+            case R.id.window_three_menu_id:
+            case R.id.window_four_menu_id:
+            case R.id.window_five_menu_id:
+            case R.id.window_six_menu_id:
+            case R.id.window_seven_menu_id:
+            case R.id.window_eight_menu_id:
+                {
+                    int menuid = item.getItemId();
+                    for (int id = 0; id < WINDOW_SHORTCUT_ID_ARRAY.length; id++) {
+                        if (WINDOW_SHORTCUT_ID_ARRAY[id] == menuid) {
+                            TabControl.Tab desiredTab = mTabControl.getTab(id);
+                            if (desiredTab != null &&
+                                    desiredTab != mTabControl.getCurrentTab()) {
+                                switchTabs(mTabControl.getCurrentIndex(), id, false);
+                            }
+                            break;
+                        }
+                    }
+                }
+                break;
+
+            default:
+                if (!super.onOptionsItemSelected(item)) {
+                    return false;
+                }
+                // Otherwise fall through.
+        }
+        mCanChord = false;
+        return true;
+    }
+
+    public void closeFind() {
+        mMenuState = R.id.MAIN_MENU;
+    }
+
+    @Override public boolean onPrepareOptionsMenu(Menu menu)
+    {
+        // This happens when the user begins to hold down the menu key, so
+        // allow them to chord to get a shortcut.
+        mCanChord = true;
+        // Note: setVisible will decide whether an item is visible; while
+        // setEnabled() will decide whether an item is enabled, which also means
+        // whether the matching shortcut key will function.
+        super.onPrepareOptionsMenu(menu);
+        switch (mMenuState) {
+            case R.id.TAB_MENU:
+                if (mCurrentMenuState != mMenuState) {
+                    menu.setGroupVisible(R.id.MAIN_MENU, false);
+                    menu.setGroupEnabled(R.id.MAIN_MENU, false);
+                    menu.setGroupEnabled(R.id.MAIN_SHORTCUT_MENU, false);
+                    menu.setGroupVisible(R.id.TAB_MENU, true);
+                    menu.setGroupEnabled(R.id.TAB_MENU, true);
+                }
+                boolean newT = mTabControl.getTabCount() < TabControl.MAX_TABS;
+                final MenuItem tab = menu.findItem(R.id.new_tab_menu_id);
+                tab.setVisible(newT);
+                tab.setEnabled(newT);
+                break;
+            case EMPTY_MENU:
+                if (mCurrentMenuState != mMenuState) {
+                    menu.setGroupVisible(R.id.MAIN_MENU, false);
+                    menu.setGroupEnabled(R.id.MAIN_MENU, false);
+                    menu.setGroupEnabled(R.id.MAIN_SHORTCUT_MENU, false);
+                    menu.setGroupVisible(R.id.TAB_MENU, false);
+                    menu.setGroupEnabled(R.id.TAB_MENU, false);
+                }
+                break;
+            default:
+                if (mCurrentMenuState != mMenuState) {
+                    menu.setGroupVisible(R.id.MAIN_MENU, true);
+                    menu.setGroupEnabled(R.id.MAIN_MENU, true);
+                    menu.setGroupEnabled(R.id.MAIN_SHORTCUT_MENU, true);
+                    menu.setGroupVisible(R.id.TAB_MENU, false);
+                    menu.setGroupEnabled(R.id.TAB_MENU, false);
+                }
+                final WebView w = getTopWindow();
+                boolean canGoBack = false;
+                boolean canGoForward = false;
+                boolean isHome = false;
+                if (w != null) {
+                    canGoBack = w.canGoBack();
+                    canGoForward = w.canGoForward();
+                    isHome = mSettings.getHomePage().equals(w.getUrl());
+                }
+                final MenuItem back = menu.findItem(R.id.back_menu_id);
+                back.setEnabled(canGoBack);
+
+                final MenuItem home = menu.findItem(R.id.homepage_menu_id);
+                home.setEnabled(!isHome);
+
+                menu.findItem(R.id.forward_menu_id)
+                        .setEnabled(canGoForward);
+
+                // decide whether to show the share link option
+                PackageManager pm = getPackageManager();
+                Intent send = new Intent(Intent.ACTION_SEND);
+                send.setType("text/plain");
+                ResolveInfo ri = pm.resolveActivity(send, PackageManager.MATCH_DEFAULT_ONLY);
+                menu.findItem(R.id.share_page_menu_id).setVisible(ri != null);
+
+                // If there is only 1 window, the text will be "New window"
+                final MenuItem windows = menu.findItem(R.id.windows_menu_id);
+                windows.setTitleCondensed(mTabControl.getTabCount() > 1 ?
+                        getString(R.string.view_tabs_condensed) :
+                        getString(R.string.tab_picker_new_tab));
+
+                boolean isNavDump = mSettings.isNavDump();
+                final MenuItem nav = menu.findItem(R.id.dump_nav_menu_id);
+                nav.setVisible(isNavDump);
+                nav.setEnabled(isNavDump);
+                break;
+        }
+        mCurrentMenuState = mMenuState;
+        return true;
+    }
+
+    @Override
+    public void onCreateContextMenu(ContextMenu menu, View v,
+            ContextMenuInfo menuInfo) {
+        WebView webview = (WebView) v;
+        WebView.HitTestResult result = webview.getHitTestResult();
+        if (result == null) {
+            return;
+        }
+
+        int type = result.getType();
+        if (type == WebView.HitTestResult.UNKNOWN_TYPE) {
+            Log.w(LOGTAG,
+                    "We should not show context menu when nothing is touched");
+            return;
+        }
+        if (type == WebView.HitTestResult.EDIT_TEXT_TYPE) {
+            // let TextView handles context menu
+            return;
+        }
+
+        // Note, http://b/issue?id=1106666 is requesting that
+        // an inflated menu can be used again. This is not available
+        // yet, so inflate each time (yuk!)
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.browsercontext, menu);
+
+        // Show the correct menu group
+        String extra = result.getExtra();
+        menu.setGroupVisible(R.id.PHONE_MENU,
+                type == WebView.HitTestResult.PHONE_TYPE);
+        menu.setGroupVisible(R.id.EMAIL_MENU,
+                type == WebView.HitTestResult.EMAIL_TYPE);
+        menu.setGroupVisible(R.id.GEO_MENU,
+                type == WebView.HitTestResult.GEO_TYPE);
+        menu.setGroupVisible(R.id.IMAGE_MENU,
+                type == WebView.HitTestResult.IMAGE_TYPE
+                || type == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE);
+        menu.setGroupVisible(R.id.ANCHOR_MENU,
+                type == WebView.HitTestResult.SRC_ANCHOR_TYPE
+                || type == WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE);
+
+        // Setup custom handling depending on the type
+        switch (type) {
+            case WebView.HitTestResult.PHONE_TYPE:
+                menu.setHeaderTitle(Uri.decode(extra));
+                menu.findItem(R.id.dial_context_menu_id).setIntent(
+                        new Intent(Intent.ACTION_VIEW, Uri
+                                .parse(WebView.SCHEME_TEL + extra)));
+                Intent addIntent = new Intent(Intent.ACTION_INSERT_OR_EDIT);
+                addIntent.putExtra(Insert.PHONE, Uri.decode(extra));
+                addIntent.setType(Contacts.People.CONTENT_ITEM_TYPE);
+                menu.findItem(R.id.add_contact_context_menu_id).setIntent(
+                        addIntent);
+                menu.findItem(R.id.copy_phone_context_menu_id).setOnMenuItemClickListener(
+                        new Copy(extra));
+                break;
+
+            case WebView.HitTestResult.EMAIL_TYPE:
+                menu.setHeaderTitle(extra);
+                menu.findItem(R.id.email_context_menu_id).setIntent(
+                        new Intent(Intent.ACTION_VIEW, Uri
+                                .parse(WebView.SCHEME_MAILTO + extra)));
+                menu.findItem(R.id.copy_mail_context_menu_id).setOnMenuItemClickListener(
+                        new Copy(extra));
+                break;
+
+            case WebView.HitTestResult.GEO_TYPE:
+                menu.setHeaderTitle(extra);
+                menu.findItem(R.id.map_context_menu_id).setIntent(
+                        new Intent(Intent.ACTION_VIEW, Uri
+                                .parse(WebView.SCHEME_GEO
+                                        + URLEncoder.encode(extra))));
+                menu.findItem(R.id.copy_geo_context_menu_id).setOnMenuItemClickListener(
+                        new Copy(extra));
+                break;
+
+            case WebView.HitTestResult.SRC_ANCHOR_TYPE:
+            case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
+                TextView titleView = (TextView) LayoutInflater.from(this)
+                        .inflate(android.R.layout.browser_link_context_header,
+                        null);
+                titleView.setText(extra);
+                menu.setHeaderView(titleView);
+                // decide whether to show the open link in new tab option
+                menu.findItem(R.id.open_newtab_context_menu_id).setVisible(
+                        mTabControl.getTabCount() < TabControl.MAX_TABS);
+                PackageManager pm = getPackageManager();
+                Intent send = new Intent(Intent.ACTION_SEND);
+                send.setType("text/plain");
+                ResolveInfo ri = pm.resolveActivity(send, PackageManager.MATCH_DEFAULT_ONLY);
+                menu.findItem(R.id.share_link_context_menu_id).setVisible(ri != null);
+                if (type == WebView.HitTestResult.SRC_ANCHOR_TYPE) {
+                    break;
+                }
+                // otherwise fall through to handle image part
+            case WebView.HitTestResult.IMAGE_TYPE:
+                if (type == WebView.HitTestResult.IMAGE_TYPE) {
+                    menu.setHeaderTitle(extra);
+                }
+                menu.findItem(R.id.view_image_context_menu_id).setIntent(
+                        new Intent(Intent.ACTION_VIEW, Uri.parse(extra)));
+                menu.findItem(R.id.download_context_menu_id).
+                        setOnMenuItemClickListener(new Download(extra));
+                break;
+
+            default:
+                Log.w(LOGTAG, "We should not get here.");
+                break;
+        }
+    }
+
+    // Used by attachTabToContentView for the WebView's ZoomControl widget.
+    private static final FrameLayout.LayoutParams ZOOM_PARAMS =
+            new FrameLayout.LayoutParams(
+                    ViewGroup.LayoutParams.FILL_PARENT,
+                    ViewGroup.LayoutParams.WRAP_CONTENT,
+                    Gravity.BOTTOM);
+
+    // Attach the given tab to the content view.
+    private void attachTabToContentView(TabControl.Tab t) {
+        final WebView main = t.getWebView();
+        // Attach the main WebView.
+        mContentView.addView(main, COVER_SCREEN_PARAMS);
+        // Attach the Zoom control widget and hide it.
+        final View zoom = main.getZoomControls();
+        mContentView.addView(zoom, ZOOM_PARAMS);
+        zoom.setVisibility(View.GONE);
+        // Attach the sub window if necessary
+        attachSubWindow(t);
+        // Request focus on the top window.
+        t.getTopWindow().requestFocus();
+    }
+
+    // Attach a sub window to the main WebView of the given tab.
+    private void attachSubWindow(TabControl.Tab t) {
+        // If a sub window exists, attach it to the content view.
+        final WebView subView = t.getSubWebView();
+        if (subView != null) {
+            final View container = t.getSubWebViewContainer();
+            mContentView.addView(container, COVER_SCREEN_PARAMS);
+            subView.requestFocus();
+        }
+    }
+
+    // Remove the given tab from the content view.
+    private void removeTabFromContentView(TabControl.Tab t) {
+        // Remove the Zoom widget and the main WebView.
+        mContentView.removeView(t.getWebView().getZoomControls());
+        mContentView.removeView(t.getWebView());
+        // Remove the sub window if it exists.
+        if (t.getSubWebView() != null) {
+            mContentView.removeView(t.getSubWebViewContainer());
+        }
+    }
+
+    // Remove the sub window if it exists. Also called by TabControl when the
+    // user clicks the 'X' to dismiss a sub window.
+    /* package */ void dismissSubWindow(TabControl.Tab t) {
+        final WebView mainView = t.getWebView();
+        if (t.getSubWebView() != null) {
+            // Remove the container view and request focus on the main WebView.
+            mContentView.removeView(t.getSubWebViewContainer());
+            mainView.requestFocus();
+            // Tell the TabControl to dismiss the subwindow. This will destroy
+            // the WebView.
+            mTabControl.dismissSubWindow(t);
+        }
+    }
+
+    // Send the ANIMTE_FROM_OVERVIEW message after changing the current tab.
+    private void sendAnimateFromOverview(final TabControl.Tab tab,
+            final boolean newTab, final String url, final int delay,
+            final Message msg) {
+        // Set the current tab.
+        mTabControl.setCurrentTab(tab);
+        // Attach the WebView so it will layout.
+        attachTabToContentView(tab);
+        // Set the view to invisibile for now.
+        tab.getWebView().setVisibility(View.INVISIBLE);
+        // If there is a sub window, make it invisible too.
+        if (tab.getSubWebView() != null) {
+            tab.getSubWebViewContainer().setVisibility(View.INVISIBLE);
+        }
+        // Create our fake animating view.
+        final AnimatingView view = new AnimatingView(this, tab);
+        // Attach it to the view system and make in invisible so it will
+        // layout but not flash white on the screen.
+        mContentView.addView(view, COVER_SCREEN_PARAMS);
+        view.setVisibility(View.INVISIBLE);
+        // Send the animate message.
+        final HashMap map = new HashMap();
+        map.put("view", view);
+        // Load the url after the AnimatingView has captured the picture. This
+        // prevents any bad layout or bad scale from being used during
+        // animation.
+        if (url != null) {
+            dismissSubWindow(tab);
+            tab.getWebView().loadUrl(url);
+        }
+        map.put("msg", msg);
+        mHandler.sendMessageDelayed(mHandler.obtainMessage(
+                ANIMATE_FROM_OVERVIEW, newTab ? 1 : 0, 0, map), delay);
+        // Increment the count to indicate that we are in an animation.
+        mAnimationCount++;
+        // Remove the listener so we don't get any more tab changes.
+        mTabOverview.setListener(null);
+        mTabListener = null;
+        // Make the menu empty until the animation completes.
+        mMenuState = EMPTY_MENU;
+
+    }
+
+    // 500ms animation with 800ms delay
+    private static final int TAB_ANIMATION_DURATION = 500;
+    private static final int TAB_OVERVIEW_DELAY     = 800;
+
+    // Called by TabControl when a tab is requesting focus
+    /* package */ void showTab(TabControl.Tab t) {
+        // Disallow focus change during a tab animation.
+        if (mAnimationCount > 0) {
+            return;
+        }
+        int delay = 0;
+        if (mTabOverview == null) {
+            // Add a delay so the tab overview can be shown before the second
+            // animation begins.
+            delay = TAB_ANIMATION_DURATION + TAB_OVERVIEW_DELAY;
+            tabPicker(false, mTabControl.getTabIndex(t), false);
+        }
+        sendAnimateFromOverview(t, false, null, delay, null);
+    }
+
+    // This method does a ton of stuff. It will attempt to create a new tab
+    // if we haven't reached MAX_TABS. Otherwise it uses the current tab. If
+    // url isn't null, it will load the given url. If the tab overview is not
+    // showing, it will animate to the tab overview, create a new tab and
+    // animate away from it. After the animation completes, it will dispatch
+    // the given Message. If the tab overview is already showing (i.e. this
+    // method is called from TabListener.onClick(), the method will animate
+    // away from the tab overview.
+    private void openTabAndShow(String url, final Message msg,
+            boolean closeOnExit) {
+        final boolean newTab = mTabControl.getTabCount() != TabControl.MAX_TABS;
+        final TabControl.Tab currentTab = mTabControl.getCurrentTab();
+        if (newTab) {
+            int delay = 0;
+            // If the tab overview is up and there are animations, just load
+            // the url.
+            if (mTabOverview != null && mAnimationCount > 0) {
+                if (url != null) {
+                    // We should not have a msg here since onCreateWindow
+                    // checks the animation count and every other caller passes
+                    // null.
+                    assert msg == null;
+                    // just dismiss the subwindow and load the given url.
+                    dismissSubWindow(currentTab);
+                    currentTab.getWebView().loadUrl(url);
+                }
+            } else {
+                // show mTabOverview if it is not there.
+                if (mTabOverview == null) {
+                    // We have to delay the animation from the tab picker by the
+                    // length of the tab animation. Add a delay so the tab
+                    // overview can be shown before the second animation begins.
+                    delay = TAB_ANIMATION_DURATION + TAB_OVERVIEW_DELAY;
+                    tabPicker(false, ImageGrid.NEW_TAB, false);
+                }
+                // Animate from the Tab overview after any animations have
+                // finished.
+                sendAnimateFromOverview(mTabControl.createNewTab(closeOnExit),
+                        true, url, delay, msg);
+            }
+        } else if (url != null) {
+            // We should not have a msg here.
+            assert msg == null;
+            if (mTabOverview != null && mAnimationCount == 0) {
+                sendAnimateFromOverview(currentTab, false, url,
+                        TAB_OVERVIEW_DELAY, null);
+            } else {
+                // Get rid of the subwindow if it exists
+                dismissSubWindow(currentTab);
+                // Load the given url.
+                currentTab.getWebView().loadUrl(url);
+            }
+        }
+    }
+
+    private Animation createTabAnimation(final AnimatingView view,
+            final View cell, boolean scaleDown) {
+        final AnimationSet set = new AnimationSet(true);
+        final float scaleX = (float) cell.getWidth() / view.getWidth();
+        final float scaleY = (float) cell.getHeight() / view.getHeight();
+        if (scaleDown) {
+            set.addAnimation(new ScaleAnimation(1.0f, scaleX, 1.0f, scaleY));
+            set.addAnimation(new TranslateAnimation(0, cell.getLeft(), 0,
+                    cell.getTop()));
+        } else {
+            set.addAnimation(new ScaleAnimation(scaleX, 1.0f, scaleY, 1.0f));
+            set.addAnimation(new TranslateAnimation(cell.getLeft(), 0,
+                    cell.getTop(), 0));
+        }
+        set.setDuration(TAB_ANIMATION_DURATION);
+        set.setInterpolator(new DecelerateInterpolator());
+        return set;
+    }
+
+    // Animate to the tab overview. currentIndex tells us which position to
+    // animate to and newIndex is the position that should be selected after
+    // the animation completes.
+    // If remove is true, after the animation stops, a confirmation dialog will
+    // be displayed to the user.
+    private void animateToTabOverview(final int newIndex, final boolean remove,
+            final AnimatingView view) {
+        // Find the view in the ImageGrid allowing for the "New Tab" cell.
+        int position = mTabControl.getTabIndex(view.mTab);
+        if (!((ImageAdapter) mTabOverview.getAdapter()).maxedOut()) {
+            position++;
+        }
+
+        // Offset the tab position with the first visible position to get a
+        // number between 0 and 3.
+        position -= mTabOverview.getFirstVisiblePosition();
+
+        // Grab the view that we are going to animate to.
+        final View v = mTabOverview.getChildAt(position);
+
+        final Animation.AnimationListener l =
+                new Animation.AnimationListener() {
+                    public void onAnimationStart(Animation a) {
+                        mTabOverview.requestFocus();
+                        // Clear the listener so we don't trigger a tab
+                        // selection.
+                        mTabOverview.setListener(null);
+                    }
+                    public void onAnimationRepeat(Animation a) {}
+                    public void onAnimationEnd(Animation a) {
+                        // We are no longer animating so decrement the count.
+                        mAnimationCount--;
+                        // Make the view GONE so that it will not draw between
+                        // now and when the Runnable is handled.
+                        view.setVisibility(View.GONE);
+                        // Post a runnable since we can't modify the view
+                        // hierarchy during this callback.
+                        mHandler.post(new Runnable() {
+                            public void run() {
+                                // Remove the AnimatingView.
+                                mContentView.removeView(view);
+                                if (mTabOverview != null) {
+                                    // Make newIndex visible.
+                                    mTabOverview.setCurrentIndex(newIndex);
+                                    // Restore the listener.
+                                    mTabOverview.setListener(mTabListener);
+                                    // Change the menu to TAB_MENU if the
+                                    // ImageGrid is interactive.
+                                    if (mTabOverview.isLive()) {
+                                        mMenuState = R.id.TAB_MENU;
+                                        mTabOverview.requestFocus();
+                                    }
+                                }
+                                // If a remove was requested, remove the tab.
+                                if (remove) {
+                                    // During a remove, the current tab has
+                                    // already changed. Remember the current one
+                                    // here.
+                                    final TabControl.Tab currentTab =
+                                            mTabControl.getCurrentTab();
+                                    // Remove the tab at newIndex from
+                                    // TabControl and the tab overview.
+                                    final TabControl.Tab tab =
+                                            mTabControl.getTab(newIndex);
+                                    mTabControl.removeTab(tab);
+                                    // Restore the current tab.
+                                    if (currentTab != tab) {
+                                        mTabControl.setCurrentTab(currentTab);
+                                    }
+                                    if (mTabOverview != null) {
+                                        mTabOverview.remove(newIndex);
+                                        // Make the current tab visible.
+                                        mTabOverview.setCurrentIndex(
+                                                mTabControl.getCurrentIndex());
+                                    }
+                                }
+                            }
+                        });
+                    }
+                };
+
+        // Do an animation if there is a view to animate to.
+        if (v != null) {
+            // Create our animation
+            final Animation anim = createTabAnimation(view, v, true);
+            anim.setAnimationListener(l);
+            // Start animating
+            view.startAnimation(anim);
+        } else {
+            // If something goes wrong and we didn't find a view to animate to,
+            // just do everything here.
+            l.onAnimationStart(null);
+            l.onAnimationEnd(null);
+        }
+    }
+
+    // Animate from the tab picker. The index supplied is the index to animate
+    // from.
+    private void animateFromTabOverview(final AnimatingView view,
+            final boolean newTab, final Message msg) {
+        // firstVisible is the first visible tab on the screen.  This helps
+        // to know which corner of the screen the selected tab is.
+        int firstVisible = mTabOverview.getFirstVisiblePosition();
+        // tabPosition is the 0-based index of of the tab being opened
+        int tabPosition = mTabControl.getTabIndex(view.mTab);
+        if (!((ImageAdapter) mTabOverview.getAdapter()).maxedOut()) {
+            // Add one to make room for the "New Tab" cell.
+            tabPosition++;
+        }
+        // If this is a new tab, animate from the "New Tab" cell.
+        if (newTab) {
+            tabPosition = 0;
+        }
+        // Location corresponds to the four corners of the screen.
+        // A new tab or 0 is upper left, 0 for an old tab is upper
+        // right, 1 is lower left, and 2 is lower right
+        int location = tabPosition - firstVisible;
+
+        // Find the view at this location.
+        final View v = mTabOverview.getChildAt(location);
+
+        // Wait until the animation completes to replace the AnimatingView.
+        final Animation.AnimationListener l =
+                new Animation.AnimationListener() {
+                    public void onAnimationStart(Animation a) {}
+                    public void onAnimationRepeat(Animation a) {}
+                    public void onAnimationEnd(Animation a) {
+                        mHandler.post(new Runnable() {
+                            public void run() {
+                                mContentView.removeView(view);
+                                // Dismiss the tab overview. If the cell at the
+                                // given location is null, set the fade
+                                // parameter to true.
+                                dismissTabOverview(v == null);
+                                TabControl.Tab t =
+                                        mTabControl.getCurrentTab();
+                                mMenuState = R.id.MAIN_MENU;
+                                // Resume regular updates.
+                                t.getWebView().resumeTimers();
+                                // Dispatch the message after the animation
+                                // completes.
+                                if (msg != null) {
+                                    msg.sendToTarget();
+                                }
+                                // The animation is done and the tab overview is
+                                // gone so allow key events and other animations
+                                // to begin.
+                                mAnimationCount--;
+                                // Reset all the title bar info.
+                                resetTitle();
+                            }
+                        });
+                    }
+                };
+
+        if (v != null) {
+            final Animation anim = createTabAnimation(view, v, false);
+            // Set the listener and start animating
+            anim.setAnimationListener(l);
+            view.startAnimation(anim);
+            // Make the view VISIBLE during the animation.
+            view.setVisibility(View.VISIBLE);
+        } else {
+            // Go ahead and do all the cleanup.
+            l.onAnimationEnd(null);
+        }
+    }
+
+    // Dismiss the tab overview applying a fade if needed.
+    private void dismissTabOverview(final boolean fade) {
+        if (fade) {
+            AlphaAnimation anim = new AlphaAnimation(1.0f, 0.0f);
+            anim.setDuration(500);
+            anim.startNow();
+            mTabOverview.startAnimation(anim);
+        }
+        // Just in case there was a problem with animating away from the tab
+        // overview
+        WebView current = mTabControl.getCurrentWebView();
+        if (current != null) {
+            current.setVisibility(View.VISIBLE);
+        } else {
+            Log.e(LOGTAG, "No current WebView in dismissTabOverview");
+        }
+        // Make the sub window container visible.
+        if (mTabControl.getCurrentSubWindow() != null) {
+            mTabControl.getCurrentTab().getSubWebViewContainer()
+                    .setVisibility(View.VISIBLE);
+        }
+        mContentView.removeView(mTabOverview);
+        mTabOverview.clear();
+        mTabOverview = null;
+        mTabListener = null;
+    }
+
+    private void openTab(String url) {
+        if (mSettings.openInBackground()) {
+            TabControl.Tab t = mTabControl.createNewTab(false);
+            if (t != null) {
+                t.getWebView().loadUrl(url);
+            }
+        } else {
+            openTabAndShow(url, null, false);
+        }
+    }
+
+    private class Copy implements OnMenuItemClickListener {
+        private CharSequence mText;
+
+        public boolean onMenuItemClick(MenuItem item) {
+            copy(mText);
+            return true;
+        }
+
+        public Copy(CharSequence toCopy) {
+            mText = toCopy;
+        }
+    }
+
+    private class Download implements OnMenuItemClickListener {
+        private String mText;
+
+        public boolean onMenuItemClick(MenuItem item) {
+            onDownloadStartNoStream(mText, null, null, null, -1);
+            return true;
+        }
+
+        public Download(String toDownload) {
+            mText = toDownload;
+        }
+    }
+
+    private void copy(CharSequence text) {
+        try {
+            IClipboard clip = IClipboard.Stub.asInterface(ServiceManager.getService("clipboard"));
+            if (clip != null) {
+                clip.setClipboardText(text);
+            }
+        } catch (android.os.RemoteException e) {
+            Log.e(LOGTAG, "Copy failed", e);
+        }
+    }
+
+    /**
+     * Resets the browser title-view to whatever it must be (for example, if we
+     * load a page from history).
+     */
+    private void resetTitle() {
+        resetLockIcon();
+        resetTitleIconAndProgress();
+    }
+
+    /**
+     * Resets the browser title-view to whatever it must be
+     * (for example, if we had a loading error)
+     * When we have a new page, we call resetTitle, when we
+     * have to reset the titlebar to whatever it used to be
+     * (for example, if the user chose to stop loading), we
+     * call resetTitleAndRevertLockIcon.
+     */
+    /* package */ void resetTitleAndRevertLockIcon() {
+        revertLockIcon();
+        resetTitleIconAndProgress();
+    }
+
+    /**
+     * Reset the title, favicon, and progress.
+     */
+    private void resetTitleIconAndProgress() {
+        WebView current = mTabControl.getCurrentWebView();
+        if (current == null) {
+            return;
+        }
+        resetTitleAndIcon(current);
+        int progress = current.getProgress();
+        mInLoad = (progress != 100);
+        updateInLoadMenuItems();
+        mWebChromeClient.onProgressChanged(current, progress);
+    }
+
+    // Reset the title and the icon based on the given item.
+    private void resetTitleAndIcon(WebView view) {
+        WebHistoryItem item = view.copyBackForwardList().getCurrentItem();
+        if (item != null) {
+            setUrlTitle(item.getUrl(), item.getTitle());
+            setFavicon(item.getFavicon());
+        } else {
+            setUrlTitle(null, null);
+            setFavicon(null);
+        }
+    }
+
+    /**
+     * Sets a title composed of the URL and the title string.
+     * @param url The URL of the site being loaded.
+     * @param title The title of the site being loaded.
+     */
+    private void setUrlTitle(String url, String title) {
+        mUrl = url;
+        mTitle = title;
+
+        // While the tab overview is animating or being shown, block changes
+        // to the title.
+        if (mAnimationCount == 0 && mTabOverview == null) {
+            setTitle(buildUrlTitle(url, title));
+        }
+    }
+
+    /**
+     * Builds and returns the page title, which is some
+     * combination of the page URL and title.
+     * @param url The URL of the site being loaded.
+     * @param title The title of the site being loaded.
+     * @return The page title.
+     */
+    private String buildUrlTitle(String url, String title) {
+        String urlTitle = "";
+
+        if (url != null) {
+            String titleUrl = buildTitleUrl(url);
+
+            if (title != null && 0 < title.length()) {
+                if (titleUrl != null && 0 < titleUrl.length()) {
+                    urlTitle = titleUrl + ": " + title;
+                } else {
+                    urlTitle = title;
+                }
+            } else {
+                if (titleUrl != null) {
+                    urlTitle = titleUrl;
+                }
+            }
+        }
+
+        return urlTitle;
+    }
+
+    /**
+     * @param url The URL to build a title version of the URL from.
+     * @return The title version of the URL or null if fails.
+     * The title version of the URL can be either the URL hostname,
+     * or the hostname with an "https://" prefix (for secure URLs),
+     * or an empty string if, for example, the URL in question is a
+     * file:// URL with no hostname.
+     */
+    private static String buildTitleUrl(String url) {
+        String titleUrl = null;
+
+        if (url != null) {
+            try {
+                // parse the url string
+                URL urlObj = new URL(url);
+                if (urlObj != null) {
+                    titleUrl = "";
+
+                    String protocol = urlObj.getProtocol();
+                    String host = urlObj.getHost();
+
+                    if (host != null && 0 < host.length()) {
+                        titleUrl = host;
+                        if (protocol != null) {
+                            // if a secure site, add an "https://" prefix!
+                            if (protocol.equalsIgnoreCase("https")) {
+                                titleUrl = protocol + "://" + host;
+                            }
+                        }
+                    }
+                }
+            } catch (MalformedURLException e) {}
+        }
+
+        return titleUrl;
+    }
+
+    // Set the favicon in the title bar.
+    private void setFavicon(Bitmap icon) {
+        // While the tab overview is animating or being shown, block changes to
+        // the favicon.
+        if (mAnimationCount > 0 || mTabOverview != null) {
+            return;
+        }
+        Drawable[] array = new Drawable[2];
+        PaintDrawable p = new PaintDrawable(Color.WHITE);
+        p.setCornerRadius(3f);
+        array[0] = p;
+        if (icon == null) {
+            array[1] = mGenericFavicon;
+        } else {
+            array[1] = new BitmapDrawable(icon);
+        }
+        LayerDrawable d = new LayerDrawable(array);
+        d.setLayerInset(1, 2, 2, 2, 2);
+        getWindow().setFeatureDrawable(Window.FEATURE_LEFT_ICON, d);
+    }
+
+    /**
+     * Saves the current lock-icon state before resetting
+     * the lock icon. If we have an error, we may need to
+     * roll back to the previous state.
+     */
+    private void saveLockIcon() {
+        mPrevLockType = mLockIconType;
+    }
+
+    /**
+     * Reverts the lock-icon state to the last saved state,
+     * for example, if we had an error, and need to cancel
+     * the load.
+     */
+    private void revertLockIcon() {
+        mLockIconType = mPrevLockType;
+
+        if (Config.LOGV) {
+            Log.v(LOGTAG, "BrowserActivity.revertLockIcon:" +
+                  " revert lock icon to " + mLockIconType);
+        }
+
+        updateLockIconImage(mLockIconType);
+    }
+
+    private void switchTabs(int indexFrom, int indexToShow, boolean remove) {
+        int delay = TAB_ANIMATION_DURATION + TAB_OVERVIEW_DELAY;
+        // Animate to the tab picker, remove the current tab, then
+        // animate away from the tab picker to the parent WebView.
+        tabPicker(false, indexFrom, remove);
+        // Change to the parent tab
+        final TabControl.Tab tab = mTabControl.getTab(indexToShow);
+        if (tab != null) {
+            sendAnimateFromOverview(tab, false, null, delay, null);
+        } else {
+            // Increment this here so that no other animations can happen in
+            // between the end of the tab picker transition and the beginning
+            // of openTabAndShow. This has a matching decrement in the handler
+            // of OPEN_TAB_AND_SHOW.
+            mAnimationCount++;
+            // Send a message to open a new tab.
+            mHandler.sendMessageDelayed(
+                    mHandler.obtainMessage(OPEN_TAB_AND_SHOW,
+                        mSettings.getHomePage()), delay);
+        }
+    }
+
+    private void goBackOnePageOrQuit() {
+        TabControl.Tab current = mTabControl.getCurrentTab();
+        if (current == null) {
+            /*
+             * Instead of finishing the activity, simply push this to the back
+             * of the stack and let ActivityManager to choose the foreground
+             * activity. As BrowserActivity is singleTask, it will be always the
+             * root of the task. So we can use either true or false for
+             * moveTaskToBack().
+             */
+            moveTaskToBack(true);
+        }
+        WebView w = current.getWebView();
+        if (w.canGoBack()) {
+            w.goBack();
+        } else {
+            // Check to see if we are closing a window that was created by
+            // another window. If so, we switch back to that window.
+            TabControl.Tab parent = current.getParentTab();
+            if (parent != null) {
+                switchTabs(mTabControl.getCurrentIndex(),
+                        mTabControl.getTabIndex(parent), true);
+            } else {
+                if (current.closeOnExit()) {
+                    if (mTabControl.getTabCount() == 1) {
+                        finish();
+                        return;
+                    }
+                    // call pauseWebView() now, we won't be able to call it in
+                    // onPause() as the WebView won't be valid.
+                    pauseWebView();
+                    removeTabFromContentView(current);
+                    mTabControl.removeTab(current);
+                }
+                /*
+                 * Instead of finishing the activity, simply push this to the back
+                 * of the stack and let ActivityManager to choose the foreground
+                 * activity. As BrowserActivity is singleTask, it will be always the
+                 * root of the task. So we can use either true or false for
+                 * moveTaskToBack().
+                 */
+                moveTaskToBack(true);
+            }
+        }
+    }
+
+    public KeyTracker.State onKeyTracker(int keyCode,
+                                         KeyEvent event,
+                                         KeyTracker.Stage stage,
+                                         int duration) {
+        // if onKeyTracker() is called after activity onStop()
+        // because of accumulated key events,
+        // we should ignore it as browser is not active any more.
+        WebView topWindow = getTopWindow();
+        if (topWindow == null)
+            return KeyTracker.State.NOT_TRACKING;
+
+        if (keyCode == KeyEvent.KEYCODE_BACK) {
+            // During animations, block the back key so that other animations
+            // are not triggered and so that we don't end up destroying all the
+            // WebViews before finishing the animation.
+            if (mAnimationCount > 0) {
+                return KeyTracker.State.DONE_TRACKING;
+            }
+            if (stage == KeyTracker.Stage.LONG_REPEAT) {
+                bookmarksOrHistoryPicker(true);
+                return KeyTracker.State.DONE_TRACKING;
+            } else if (stage == KeyTracker.Stage.UP) {
+                // FIXME: Currently, we do not have a notion of the
+                // history picker for the subwindow, but maybe we
+                // should?
+                WebView subwindow = mTabControl.getCurrentSubWindow();
+                if (subwindow != null) {
+                    if (subwindow.canGoBack()) {
+                        subwindow.goBack();
+                    } else {
+                        dismissSubWindow(mTabControl.getCurrentTab());
+                    }
+                } else {
+                    goBackOnePageOrQuit();
+                }
+                return KeyTracker.State.DONE_TRACKING;
+            }
+            return KeyTracker.State.KEEP_TRACKING;
+        }
+        return KeyTracker.State.NOT_TRACKING;
+    }
+
+    @Override public boolean onKeyDown(int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_MENU) {
+            mMenuIsDown = true;
+        }
+        boolean handled =  mKeyTracker.doKeyDown(keyCode, event);
+        if (!handled) {
+            switch (keyCode) {
+                case KeyEvent.KEYCODE_SPACE:
+                    if (event.isShiftPressed()) {
+                        getTopWindow().pageUp(false);
+                    } else {
+                        getTopWindow().pageDown(false);
+                    }
+                    handled = true;
+                    break;
+
+                default:
+                    break;
+            }
+        }
+        return handled || super.onKeyDown(keyCode, event);
+    }
+
+    @Override public boolean onKeyUp(int keyCode, KeyEvent event) {
+        if (keyCode == KeyEvent.KEYCODE_MENU) {
+            mMenuIsDown = false;
+        }
+        return mKeyTracker.doKeyUp(keyCode, event) || super.onKeyUp(keyCode, event);
+    }
+
+    private void stopLoading() {
+        resetTitleAndRevertLockIcon();
+        WebView w = getTopWindow();
+        w.stopLoading();
+        mWebViewClient.onPageFinished(w, w.getUrl());
+
+        cancelStopToast();
+        mStopToast = Toast
+                .makeText(this, R.string.stopping, Toast.LENGTH_SHORT);
+        mStopToast.show();
+    }
+
+    private void cancelStopToast() {
+        if (mStopToast != null) {
+            mStopToast.cancel();
+            mStopToast = null;
+        }
+    }
+
+    // called by a non-UI thread to post the message
+    public void postMessage(int what, int arg1, int arg2, Object obj) {
+        mHandler.sendMessage(mHandler.obtainMessage(what, arg1, arg2, obj));
+    }
+
+    // public message ids
+    public final static int LOAD_URL                = 1001;
+    public final static int STOP_LOAD               = 1002;
+
+    // Message Ids
+    private static final int FOCUS_NODE_HREF         = 102;
+    private static final int CANCEL_CREDS_REQUEST    = 103;
+    private static final int ANIMATE_FROM_OVERVIEW   = 104;
+    private static final int ANIMATE_TO_OVERVIEW     = 105;
+    private static final int OPEN_TAB_AND_SHOW       = 106;
+    private static final int CHECK_MEMORY            = 107;
+    private static final int RELEASE_WAKELOCK        = 108;
+
+    // Private handler for handling javascript and saving passwords
+    private Handler mHandler = new Handler() {
+
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case ANIMATE_FROM_OVERVIEW:
+                    final HashMap map = (HashMap) msg.obj;
+                    animateFromTabOverview((AnimatingView) map.get("view"),
+                            msg.arg1 == 1, (Message) map.get("msg"));
+                    break;
+
+                case ANIMATE_TO_OVERVIEW:
+                    animateToTabOverview(msg.arg1, msg.arg2 == 1,
+                            (AnimatingView) msg.obj);
+                    break;
+
+                case OPEN_TAB_AND_SHOW:
+                    // Decrement mAnimationCount before openTabAndShow because
+                    // the method relies on the value being 0 to start the next
+                    // animation.
+                    mAnimationCount--;
+                    openTabAndShow((String) msg.obj, null, false);
+                    break;
+
+                case FOCUS_NODE_HREF:
+                    String url = (String) msg.getData().get("url");
+                    if (url == null || url.length() == 0) {
+                        break;
+                    }
+                    HashMap focusNodeMap = (HashMap) msg.obj;
+                    WebView view = (WebView) focusNodeMap.get("webview");
+                    // Only apply the action if the top window did not change.
+                    if (getTopWindow() != view) {
+                        break;
+                    }
+                    switch (msg.arg1) {
+                        case R.id.open_context_menu_id:
+                        case R.id.view_image_context_menu_id:
+                            loadURL(getTopWindow(), url);
+                            break;
+                        case R.id.open_newtab_context_menu_id:
+                            openTab(url);
+                            break;
+                        case R.id.bookmark_context_menu_id:
+                            Intent intent = new Intent(BrowserActivity.this,
+                                    AddBookmarkPage.class);
+                            intent.putExtra("url", url);
+                            startActivity(intent);
+                            break;
+                        case R.id.share_link_context_menu_id:
+                            Browser.sendString(BrowserActivity.this, url);
+                            break;
+                        case R.id.copy_link_context_menu_id:
+                            copy(url);
+                            break;
+                        case R.id.save_link_context_menu_id:
+                        case R.id.download_context_menu_id:
+                            onDownloadStartNoStream(url, null, null, null, -1);
+                            break;
+                    }
+                    break;
+
+                case LOAD_URL:
+                    loadURL(getTopWindow(), (String) msg.obj);
+                    break;
+
+                case STOP_LOAD:
+                    stopLoading();
+                    break;
+
+                case CANCEL_CREDS_REQUEST:
+                    resumeAfterCredentials();
+                    break;
+
+                case CHECK_MEMORY:
+                    // reschedule to check memory condition
+                    mHandler.removeMessages(CHECK_MEMORY);
+                    mHandler.sendMessageDelayed(mHandler.obtainMessage
+                            (CHECK_MEMORY), CHECK_MEMORY_INTERVAL);
+                    checkMemory();
+                    break;
+
+                case RELEASE_WAKELOCK:
+                    if (mWakeLock.isHeld()) {
+                        mWakeLock.release();
+                    }
+                    break;
+            }
+        }
+    };
+
+    // -------------------------------------------------------------------------
+    // WebViewClient implementation.
+    //-------------------------------------------------------------------------
+
+    // Use in overrideUrlLoading
+    /* package */ final static String SCHEME_WTAI = "wtai://wp/";
+    /* package */ final static String SCHEME_WTAI_MC = "wtai://wp/mc;";
+    /* package */ final static String SCHEME_WTAI_SD = "wtai://wp/sd;";
+    /* package */ final static String SCHEME_WTAI_AP = "wtai://wp/ap;";
+
+    /* package */ WebViewClient getWebViewClient() {
+        return mWebViewClient;
+    }
+
+    private void updateIcon(String url, Bitmap icon) {
+        if (icon != null) {
+            BrowserBookmarksAdapter.updateBookmarkFavicon(mResolver,
+                    url, icon);
+        }
+        setFavicon(icon);
+    }
+
+    private final WebViewClient mWebViewClient = new WebViewClient() {
+        @Override
+        public void onPageStarted(WebView view, String url, Bitmap favicon) {
+            resetLockIcon(url);
+            setUrlTitle(url, null);
+            // Call updateIcon instead of setFavicon so the bookmark
+            // database can be updated.
+            updateIcon(url, favicon);
+
+            if (mSettings.isTracing() == true) {
+                // FIXME: we should save the trace file somewhere other than data.
+                // I can't use "/tmp" as it competes for system memory.
+                File file = getDir("browserTrace", 0);
+                String baseDir = file.getPath();
+                if (!baseDir.endsWith(File.separator)) baseDir += File.separator;
+                String host;
+                try {
+                    WebAddress uri = new WebAddress(url);
+                    host = uri.mHost;
+                } catch (android.net.ParseException ex) {
+                    host = "unknown_host";
+                }
+                host = host.replace('.', '_');
+                baseDir = baseDir + host;
+                file = new File(baseDir+".data");
+                if (file.exists() == true) {
+                    file.delete();
+                }
+                file = new File(baseDir+".key");
+                if (file.exists() == true) {
+                    file.delete();
+                }
+                mInTrace = true;
+                Debug.startMethodTracing(baseDir, 8 * 1024 * 1024);
+            }
+
+            // Performance probe
+            if (false) {
+                mStart = SystemClock.uptimeMillis();
+                mProcessStart = Process.getElapsedCpuTime();
+                long[] sysCpu = new long[7];
+                if (Process.readProcFile("/proc/stat", SYSTEM_CPU_FORMAT, null,
+                        sysCpu, null)) {
+                    mUserStart = sysCpu[0] + sysCpu[1];
+                    mSystemStart = sysCpu[2];
+                    mIdleStart = sysCpu[3];
+                    mIrqStart = sysCpu[4] + sysCpu[5] + sysCpu[6];
+                }
+                mUiStart = SystemClock.currentThreadTimeMillis();
+            }
+
+            if (!mPageStarted) {
+                mPageStarted = true;
+                // if onResume() has been called, resumeWebView() does nothing.
+                resumeWebView();
+            }
+
+            // reset sync timer to avoid sync starts during loading a page
+            CookieSyncManager.getInstance().resetSync();
+
+            mInLoad = true;
+            updateInLoadMenuItems();
+            if (!mIsNetworkUp) {
+                if ( mAlertDialog == null) {
+                    mAlertDialog = new AlertDialog.Builder(BrowserActivity.this)
+                        .setTitle(R.string.loadSuspendedTitle)
+                        .setMessage(R.string.loadSuspended)
+                        .setPositiveButton(R.string.ok, null)
+                        .show();
+                }
+                if (view != null) {
+                    view.setNetworkAvailable(false);
+                }
+            }
+
+            // schedule to check memory condition
+            mHandler.sendMessageDelayed(mHandler.obtainMessage(CHECK_MEMORY),
+                    CHECK_MEMORY_INTERVAL);
+        }
+
+        @Override
+        public void onPageFinished(WebView view, String url) {
+            // Reset the title and icon in case we stopped a provisional
+            // load.
+            resetTitleAndIcon(view);
+
+            // Update the lock icon image only once we are done loading
+            updateLockIconImage(mLockIconType);
+
+            // Performance probe
+             if (false) {
+                long[] sysCpu = new long[7];
+                if (Process.readProcFile("/proc/stat", SYSTEM_CPU_FORMAT, null,
+                        sysCpu, null)) {
+                    String uiInfo = "UI thread used "
+                            + (SystemClock.currentThreadTimeMillis() - mUiStart)
+                            + " ms";
+                    if (Config.LOGD) {
+                        Log.d(LOGTAG, uiInfo);
+                    }
+                    //The string that gets written to the log
+                    String performanceString = "It took total "
+                            + (SystemClock.uptimeMillis() - mStart)
+                            + " ms clock time to load the page."
+                            + "\nbrowser process used "
+                            + (Process.getElapsedCpuTime() - mProcessStart)
+                            + " ms, user processes used "
+                            + (sysCpu[0] + sysCpu[1] - mUserStart) * 10
+                            + " ms, kernel used "
+                            + (sysCpu[2] - mSystemStart) * 10
+                            + " ms, idle took " + (sysCpu[3] - mIdleStart) * 10
+                            + " ms and irq took "
+                            + (sysCpu[4] + sysCpu[5] + sysCpu[6] - mIrqStart)
+                            * 10 + " ms, " + uiInfo;
+                    if (Config.LOGD) {
+                        Log.d(LOGTAG, performanceString + "\nWebpage: " + url);
+                    }
+                    if (url != null) {
+                        // strip the url to maintain consistency
+                        String newUrl = new String(url);
+                        if (newUrl.startsWith("http://www.")) {
+                            newUrl = newUrl.substring(11);
+                        } else if (newUrl.startsWith("http://")) {
+                            newUrl = newUrl.substring(7);
+                        } else if (newUrl.startsWith("https://www.")) {
+                            newUrl = newUrl.substring(12);
+                        } else if (newUrl.startsWith("https://")) {
+                            newUrl = newUrl.substring(8);
+                        }
+                        if (Config.LOGD) {
+                            Log.d(LOGTAG, newUrl + " loaded");
+                        }
+                        /*
+                        if (sWhiteList.contains(newUrl)) {
+                            // The string that gets pushed to the statistcs
+                            // service
+                            performanceString = performanceString
+                                    + "\nWebpage: "
+                                    + newUrl
+                                    + "\nCarrier: "
+                                    + android.os.SystemProperties
+                                            .get("gsm.sim.operator.alpha");
+                            if (mWebView != null
+                                    && mWebView.getContext() != null
+                                    && mWebView.getContext().getSystemService(
+                                    Context.CONNECTIVITY_SERVICE) != null) {
+                                ConnectivityManager cManager =
+                                        (ConnectivityManager) mWebView
+                                        .getContext().getSystemService(
+                                        Context.CONNECTIVITY_SERVICE);
+                                NetworkInfo nInfo = cManager
+                                        .getActiveNetworkInfo();
+                                if (nInfo != null) {
+                                    performanceString = performanceString
+                                            + "\nNetwork Type: "
+                                            + nInfo.getType().toString();
+                                }
+                            }
+                            Checkin.logEvent(mResolver,
+                                    Checkin.Events.Tag.WEBPAGE_LOAD,
+                                    performanceString);
+                            Log.w(LOGTAG, "pushed to the statistics service");
+                        }
+                        */
+                    }
+                }
+             }
+
+            if (mInTrace) {
+                mInTrace = false;
+                Debug.stopMethodTracing();
+            }
+
+            if (mPageStarted) {
+                mPageStarted = false;
+                // pauseWebView() will do nothing and return false if onPause()
+                // is not called yet.
+                if (pauseWebView()) {
+                    if (mWakeLock.isHeld()) {
+                        mHandler.removeMessages(RELEASE_WAKELOCK);
+                        mWakeLock.release();
+                    }
+                }
+            }
+
+            if (mInLoad) {
+                mInLoad = false;
+                updateInLoadMenuItems();
+            }
+
+            mHandler.removeMessages(CHECK_MEMORY);
+            checkMemory();
+        }
+
+        // return true if want to hijack the url to let another app to handle it
+        @Override
+        public boolean shouldOverrideUrlLoading(WebView view, String url) {
+            if (url.startsWith(SCHEME_WTAI)) {
+                // wtai://wp/mc;number
+                // number=string(phone-number)
+                if (url.startsWith(SCHEME_WTAI_MC)) {
+                    Intent intent = new Intent(Intent.ACTION_VIEW,
+                            Uri.parse(WebView.SCHEME_TEL +
+                            url.substring(SCHEME_WTAI_MC.length())));
+                    startActivity(intent);
+                    return true;
+                }
+                // wtai://wp/sd;dtmf
+                // dtmf=string(dialstring)
+                if (url.startsWith(SCHEME_WTAI_SD)) {
+                    // TODO
+                    // only send when there is active voice connection
+                    return false;
+                }
+                // wtai://wp/ap;number;name
+                // number=string(phone-number)
+                // name=string
+                if (url.startsWith(SCHEME_WTAI_AP)) {
+                    // TODO
+                    return false;
+                }
+            }
+
+            Uri uri;
+            try {
+                uri = Uri.parse(url);
+            } catch (IllegalArgumentException ex) {
+                return false;
+            }
+
+            // check whether other activities want to handle this url
+            Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+            intent.addCategory(Intent.CATEGORY_BROWSABLE);
+            try {
+                if (startActivityIfNeeded(intent, -1)) {
+                    return true;
+                }
+            } catch (ActivityNotFoundException ex) {
+                // ignore the error. If no application can handle the URL,
+                // eg about:blank, assume the browser can handle it.
+            }
+
+            if (mMenuIsDown) {
+                openTab(url);
+                closeOptionsMenu();
+                return true;
+            }
+
+            return false;
+        }
+
+        /**
+         * Updates the lock icon. This method is called when we discover another
+         * resource to be loaded for this page (for example, javascript). While
+         * we update the icon type, we do not update the lock icon itself until
+         * we are done loading, it is slightly more secure this way.
+         */
+        @Override
+        public void onLoadResource(WebView view, String url) {
+            if (url != null && url.length() > 0) {
+                // It is only if the page claims to be secure
+                // that we may have to update the lock:
+                if (mLockIconType == LOCK_ICON_SECURE) {
+                    // If NOT a 'safe' url, change the lock to mixed content!
+                    if (!(URLUtil.isHttpsUrl(url) || URLUtil.isDataUrl(url) || URLUtil.isAboutUrl(url))) {
+                        mLockIconType = LOCK_ICON_MIXED;
+                        if (Config.LOGV) {
+                            Log.v(LOGTAG, "BrowserActivity.updateLockIcon:" +
+                                  " updated lock icon to " + mLockIconType + " due to " + url);
+                        }
+                    }
+                }
+            }
+        }
+
+        /**
+         * Show the dialog, asking the user if they would like to continue after
+         * an excessive number of HTTP redirects.
+         */
+        @Override
+        public void onTooManyRedirects(WebView view, final Message cancelMsg,
+                final Message continueMsg) {
+            new AlertDialog.Builder(BrowserActivity.this)
+                .setTitle(R.string.browserFrameRedirect)
+                .setMessage(R.string.browserFrame307Post)
+                .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        continueMsg.sendToTarget();
+                    }})
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        cancelMsg.sendToTarget();
+                    }})
+                .setOnCancelListener(new OnCancelListener() {
+                    public void onCancel(DialogInterface dialog) {
+                        cancelMsg.sendToTarget();
+                    }})
+                .show();
+        }
+
+        /**
+         * Show a dialog informing the user of the network error reported by
+         * WebCore.
+         */
+        @Override
+        public void onReceivedError(WebView view, int errorCode,
+                String description, String failingUrl) {
+            if (errorCode != EventHandler.ERROR_LOOKUP &&
+                    errorCode != EventHandler.ERROR_CONNECT &&
+                    errorCode != EventHandler.ERROR_BAD_URL &&
+                    errorCode != EventHandler.ERROR_UNSUPPORTED_SCHEME &&
+                    errorCode != EventHandler.FILE_ERROR) {
+                new AlertDialog.Builder(BrowserActivity.this)
+                        .setTitle((errorCode == EventHandler.FILE_NOT_FOUND_ERROR) ?
+                                         R.string.browserFrameFileErrorLabel :
+                                         R.string.browserFrameNetworkErrorLabel)
+                        .setMessage(description)
+                        .setPositiveButton(R.string.ok, null)
+                        .show();
+            }
+            Log.e(LOGTAG, "onReceivedError code:"+errorCode+" "+description);
+
+            // We need to reset the title after an error.
+            resetTitleAndRevertLockIcon();
+        }
+
+        /**
+         * Check with the user if it is ok to resend POST data as the page they
+         * are trying to navigate to is the result of a POST.
+         */
+        @Override
+        public void onFormResubmission(WebView view, final Message dontResend,
+                                       final Message resend) {
+            new AlertDialog.Builder(BrowserActivity.this)
+                .setTitle(R.string.browserFrameFormResubmitLabel)
+                .setMessage(R.string.browserFrameFormResubmitMessage)
+                .setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        resend.sendToTarget();
+                    }})
+                .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                        dontResend.sendToTarget();
+                    }})
+                .setOnCancelListener(new OnCancelListener() {
+                    public void onCancel(DialogInterface dialog) {
+                        dontResend.sendToTarget();
+                    }})
+                .show();
+        }
+
+        /**
+         * Insert the url into the visited history database.
+         * @param url The url to be inserted.
+         * @param isReload True if this url is being reloaded.
+         * FIXME: Not sure what to do when reloading the page.
+         */
+        @Override
+        public void doUpdateVisitedHistory(WebView view, String url,
+                boolean isReload) {
+            if (url.regionMatches(true, 0, "about:", 0, 6)) {
+                return;
+            }
+            Browser.updateVisitedHistory(mResolver, url, true);
+            WebIconDatabase.getInstance().retainIconForPageUrl(url);
+        }
+
+        /**
+         * Displays SSL error(s) dialog to the user.
+         */
+        @Override
+        public void onReceivedSslError(
+            final WebView view, final SslErrorHandler handler, final SslError error) {
+
+            if (mSettings.showSecurityWarnings()) {
+                final LayoutInflater factory =
+                    LayoutInflater.from(BrowserActivity.this);
+                final View warningsView =
+                    factory.inflate(R.layout.ssl_warnings, null);
+                final LinearLayout placeholder =
+                    (LinearLayout)warningsView.findViewById(R.id.placeholder);
+
+                if (error.hasError(SslError.SSL_UNTRUSTED)) {
+                    LinearLayout ll = (LinearLayout)factory
+                        .inflate(R.layout.ssl_warning, null);
+                    ((TextView)ll.findViewById(R.id.warning))
+                        .setText(R.string.ssl_untrusted);
+                    placeholder.addView(ll);
+                }
+
+                if (error.hasError(SslError.SSL_IDMISMATCH)) {
+                    LinearLayout ll = (LinearLayout)factory
+                        .inflate(R.layout.ssl_warning, null);
+                    ((TextView)ll.findViewById(R.id.warning))
+                        .setText(R.string.ssl_mismatch);
+                    placeholder.addView(ll);
+                }
+
+                if (error.hasError(SslError.SSL_EXPIRED)) {
+                    LinearLayout ll = (LinearLayout)factory
+                        .inflate(R.layout.ssl_warning, null);
+                    ((TextView)ll.findViewById(R.id.warning))
+                        .setText(R.string.ssl_expired);
+                    placeholder.addView(ll);
+                }
+
+                if (error.hasError(SslError.SSL_NOTYETVALID)) {
+                    LinearLayout ll = (LinearLayout)factory
+                        .inflate(R.layout.ssl_warning, null);
+                    ((TextView)ll.findViewById(R.id.warning))
+                        .setText(R.string.ssl_not_yet_valid);
+                    placeholder.addView(ll);
+                }
+
+                new AlertDialog.Builder(BrowserActivity.this)
+                    .setTitle(R.string.security_warning)
+                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setView(warningsView)
+                    .setPositiveButton(R.string.ssl_continue,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog, int whichButton) {
+                                    handler.proceed();
+                                }
+                            })
+                    .setNeutralButton(R.string.view_certificate,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog, int whichButton) {
+                                    showSSLCertificateOnError(view, handler, error);
+                                }
+                            })
+                    .setNegativeButton(R.string.cancel,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog, int whichButton) {
+                                    handler.cancel();
+                                    BrowserActivity.this.resetTitleAndRevertLockIcon();
+                                }
+                            })
+                    .setOnCancelListener(
+                            new DialogInterface.OnCancelListener() {
+                                public void onCancel(DialogInterface dialog) {
+                                    handler.cancel();
+                                    BrowserActivity.this.resetTitleAndRevertLockIcon();
+                                }
+                            })
+                    .show();
+            } else {
+                handler.proceed();
+            }
+        }
+
+        /**
+         * Handles an HTTP authentication request.
+         *
+         * @param handler The authentication handler
+         * @param host The host
+         * @param realm The realm
+         */
+        @Override
+        public void onReceivedHttpAuthRequest(WebView view,
+                final HttpAuthHandler handler, final String host, final String realm) {
+            String username = null;
+            String password = null;
+
+            boolean reuseHttpAuthUsernamePassword =
+                handler.useHttpAuthUsernamePassword();
+
+            if (reuseHttpAuthUsernamePassword &&
+                    (mTabControl.getCurrentWebView() != null)) {
+                String[] credentials =
+                        mTabControl.getCurrentWebView()
+                                .getHttpAuthUsernamePassword(host, realm);
+                if (credentials != null && credentials.length == 2) {
+                    username = credentials[0];
+                    password = credentials[1];
+                }
+            }
+
+            if (username != null && password != null) {
+                handler.proceed(username, password);
+            } else {
+                showHttpAuthentication(handler, host, realm, null, null, null, 0);
+            }
+        }
+
+        @Override
+        public boolean shouldOverrideKeyEvent(WebView view, KeyEvent event) {
+            if (mMenuIsDown) {
+                // only check shortcut key when MENU is held
+                return getWindow().isShortcutKey(event.getKeyCode(), event);
+            } else {
+                return false;
+            }
+        }
+
+        @Override
+        public void onUnhandledKeyEvent(WebView view, KeyEvent event) {
+            if (view != mTabControl.getCurrentTopWebView()) {
+                return;
+            }
+            if (event.isDown()) {
+                BrowserActivity.this.onKeyDown(event.getKeyCode(), event);
+            } else {
+                BrowserActivity.this.onKeyUp(event.getKeyCode(), event);
+            }
+        }
+    };
+
+    //--------------------------------------------------------------------------
+    // WebChromeClient implementation
+    //--------------------------------------------------------------------------
+
+    /* package */ WebChromeClient getWebChromeClient() {
+        return mWebChromeClient;
+    }
+
+    private final WebChromeClient mWebChromeClient = new WebChromeClient() {
+        // Helper method to create a new tab or sub window.
+        private void createWindow(final boolean dialog, final Message msg) {
+            if (dialog) {
+                mTabControl.createSubWindow();
+                final TabControl.Tab t = mTabControl.getCurrentTab();
+                attachSubWindow(t);
+                WebView.WebViewTransport transport =
+                        (WebView.WebViewTransport) msg.obj;
+                transport.setWebView(t.getSubWebView());
+                msg.sendToTarget();
+            } else {
+                final TabControl.Tab parent = mTabControl.getCurrentTab();
+                // openTabAndShow will dispatch the message after creating the
+                // new WebView. This will prevent another request from coming
+                // in during the animation.
+                openTabAndShow(null, msg, false);
+                parent.addChildTab(mTabControl.getCurrentTab());
+                WebView.WebViewTransport transport =
+                        (WebView.WebViewTransport) msg.obj;
+                transport.setWebView(mTabControl.getCurrentWebView());
+            }
+        }
+
+        @Override
+        public boolean onCreateWindow(WebView view, final boolean dialog,
+                final boolean userGesture, final Message resultMsg) {
+            // Ignore these requests during tab animations or if the tab
+            // overview is showing.
+            if (mAnimationCount > 0 || mTabOverview != null) {
+                return false;
+            }
+            // Short-circuit if we can't create any more tabs or sub windows.
+            if (dialog && mTabControl.getCurrentSubWindow() != null) {
+                new AlertDialog.Builder(BrowserActivity.this)
+                        .setTitle(R.string.too_many_subwindows_dialog_title)
+                        .setIcon(android.R.drawable.ic_dialog_alert)
+                        .setMessage(R.string.too_many_subwindows_dialog_message)
+                        .setPositiveButton(R.string.ok, null)
+                        .show();
+                return false;
+            } else if (mTabControl.getTabCount() >= TabControl.MAX_TABS) {
+                new AlertDialog.Builder(BrowserActivity.this)
+                        .setTitle(R.string.too_many_windows_dialog_title)
+                        .setIcon(android.R.drawable.ic_dialog_alert)
+                        .setMessage(R.string.too_many_windows_dialog_message)
+                        .setPositiveButton(R.string.ok, null)
+                        .show();
+                return false;
+            }
+
+            // Short-circuit if this was a user gesture.
+            if (userGesture) {
+                // createWindow will call openTabAndShow for new Windows and
+                // that will call tabPicker which will increment
+                // mAnimationCount.
+                createWindow(dialog, resultMsg);
+                return true;
+            }
+
+            // Allow the popup and create the appropriate window.
+            final AlertDialog.OnClickListener allowListener =
+                    new AlertDialog.OnClickListener() {
+                        public void onClick(DialogInterface d,
+                                int which) {
+                            // Same comment as above for setting
+                            // mAnimationCount.
+                            createWindow(dialog, resultMsg);
+                            // Since we incremented mAnimationCount while the
+                            // dialog was up, we have to decrement it here.
+                            mAnimationCount--;
+                        }
+                    };
+
+            // Block the popup by returning a null WebView.
+            final AlertDialog.OnClickListener blockListener =
+                    new AlertDialog.OnClickListener() {
+                        public void onClick(DialogInterface d, int which) {
+                            resultMsg.sendToTarget();
+                            // We are not going to trigger an animation so
+                            // unblock keys and animation requests.
+                            mAnimationCount--;
+                        }
+                    };
+
+            // Build a confirmation dialog to display to the user.
+            final AlertDialog d =
+                    new AlertDialog.Builder(BrowserActivity.this)
+                    .setTitle(R.string.attention)
+                    .setIcon(android.R.drawable.ic_dialog_alert)
+                    .setMessage(R.string.popup_window_attempt)
+                    .setPositiveButton(R.string.allow, allowListener)
+                    .setNegativeButton(R.string.block, blockListener)
+                    .setCancelable(false)
+                    .create();
+
+            // Show the confirmation dialog.
+            d.show();
+            // We want to increment mAnimationCount here to prevent a
+            // potential race condition. If the user allows a pop-up from a
+            // site and that pop-up then triggers another pop-up, it is
+            // possible to get the BACK key between here and when the dialog
+            // appears.
+            mAnimationCount++;
+            return true;
+        }
+
+        @Override
+        public void onCloseWindow(WebView window) {
+            final int currentIndex = mTabControl.getCurrentIndex();
+            final TabControl.Tab parent =
+                    mTabControl.getCurrentTab().getParentTab();
+            if (parent != null) {
+                // JavaScript can only close popup window.
+                switchTabs(currentIndex, mTabControl.getTabIndex(parent), true);
+            }
+        }
+
+        @Override
+        public void onProgressChanged(WebView view, int newProgress) {
+            // Block progress updates to the title bar while the tab overview
+            // is animating or being displayed.
+            if (mAnimationCount == 0 && mTabOverview == null) {
+                getWindow().setFeatureInt(Window.FEATURE_PROGRESS,
+                        newProgress * 100);
+            }
+
+            if (newProgress == 100) {
+                // onProgressChanged() is called for sub-frame too while
+                // onPageFinished() is only called for the main frame. sync
+                // cookie and cache promptly here.
+                CookieSyncManager.getInstance().sync();
+            }
+        }
+
+        @Override
+        public void onReceivedTitle(WebView view, String title) {
+            String url = view.getOriginalUrl();
+
+            // here, if url is null, we want to reset the title
+            setUrlTitle(url, title);
+
+            if (url == null ||
+                url.length() >= SQLiteDatabase.SQLITE_MAX_LIKE_PATTERN_LENGTH) {
+                return;
+            }
+            if (url.startsWith("http://www.")) {
+                url = url.substring(11);
+            } else if (url.startsWith("http://")) {
+                url = url.substring(4);
+            }
+            try {
+                url = "%" + url;
+                String [] selArgs = new String[] { url };
+
+                String where = Browser.BookmarkColumns.URL + " LIKE ? AND "
+                        + Browser.BookmarkColumns.BOOKMARK + " = 0";
+                Cursor c = mResolver.query(Browser.BOOKMARKS_URI,
+                    Browser.HISTORY_PROJECTION, where, selArgs, null);
+                if (c.moveToFirst()) {
+                    if (Config.LOGV) {
+                        Log.v(LOGTAG, "updating cursor");
+                    }
+                    // Current implementation of database only has one entry per
+                    // url.
+                    int titleIndex =
+                            c.getColumnIndex(Browser.BookmarkColumns.TITLE);
+                    c.updateString(titleIndex, title);
+                    c.commitUpdates();
+                }
+                c.close();
+            } catch (IllegalStateException e) {
+                Log.e(LOGTAG, "BrowserActivity onReceived title", e);
+            } catch (SQLiteException ex) {
+                Log.e(LOGTAG, "onReceivedTitle() caught SQLiteException: ", ex);
+            }
+        }
+
+        @Override
+        public void onReceivedIcon(WebView view, Bitmap icon) {
+            updateIcon(view.getUrl(), icon);
+        }
+    };
+
+    /**
+     * Notify the host application a download should be done, or that
+     * the data should be streamed if a streaming viewer is available.
+     * @param url The full url to the content that should be downloaded
+     * @param contentDisposition Content-disposition http header, if
+     *                           present.
+     * @param mimetype The mimetype of the content reported by the server
+     * @param contentLength The file size reported by the server
+     */
+    public void onDownloadStart(String url, String userAgent,
+            String contentDisposition, String mimetype, long contentLength) {
+        // if we're dealing wih A/V content that's not explicitly marked
+        //     for download, check if it's streamable.
+        if (contentDisposition == null
+                        || !contentDisposition.regionMatches(true, 0, "attachment", 0, 10)) {
+            // query the package manager to see if there's a registered handler
+            //     that matches.
+            Intent intent = new Intent(Intent.ACTION_VIEW);
+            intent.setDataAndType(Uri.parse(url), mimetype);
+            if (getPackageManager().resolveActivity(intent,
+                        PackageManager.MATCH_DEFAULT_ONLY) != null) {
+                // someone knows how to handle this mime type with this scheme, don't download.
+                try {
+                    startActivity(intent);
+                    return;
+                } catch (ActivityNotFoundException ex) {
+                    if (Config.LOGD) {
+                        Log.d(LOGTAG, "activity not found for " + mimetype
+                                + " over " + Uri.parse(url).getScheme(), ex);
+                    }
+                    // Best behavior is to fall back to a download in this case
+                }
+            }
+        }
+        onDownloadStartNoStream(url, userAgent, contentDisposition, mimetype, contentLength);
+    }
+
+    /**
+     * Notify the host application a download should be done, even if there
+     * is a streaming viewer available for thise type.
+     * @param url The full url to the content that should be downloaded
+     * @param contentDisposition Content-disposition http header, if
+     *                           present.
+     * @param mimetype The mimetype of the content reported by the server
+     * @param contentLength The file size reported by the server
+     */
+    /*package */ void onDownloadStartNoStream(String url, String userAgent,
+            String contentDisposition, String mimetype, long contentLength) {
+
+        String filename = URLUtil.guessFileName(url,
+                contentDisposition, mimetype);
+
+        // Check to see if we have an SDCard
+        String status = Environment.getExternalStorageState();
+        if (!status.equals(Environment.MEDIA_MOUNTED)) {
+            int title;
+            String msg;
+
+            // Check to see if the SDCard is busy, same as the music app
+            if (status.equals(Environment.MEDIA_SHARED)) {
+                msg = getString(R.string.download_sdcard_busy_dlg_msg);
+                title = R.string.download_sdcard_busy_dlg_title;
+            } else {
+                msg = getString(R.string.download_no_sdcard_dlg_msg, filename);
+                title = R.string.download_no_sdcard_dlg_title;
+            }
+
+            new AlertDialog.Builder(this)
+                .setTitle(title)
+                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setMessage(msg)
+                .setPositiveButton(R.string.ok, null)
+                .show();
+            return;
+        }
+
+        // java.net.URI is a lot stricter than KURL so we have to undo
+        // KURL's percent-encoding and redo the encoding using java.net.URI.
+        URI uri = null;
+        try {
+            // Undo the percent-encoding that KURL may have done.
+            String newUrl = new String(URLUtil.decode(url.getBytes()));
+            // Parse the url into pieces
+            WebAddress w = new WebAddress(newUrl);
+            String frag = null;
+            String query = null;
+            String path = w.mPath;
+            // Break the path into path, query, and fragment
+            if (path.length() > 0) {
+                // Strip the fragment
+                int idx = path.lastIndexOf('#');
+                if (idx != -1) {
+                    frag = path.substring(idx + 1);
+                    path = path.substring(0, idx);
+                }
+                idx = path.lastIndexOf('?');
+                if (idx != -1) {
+                    query = path.substring(idx + 1);
+                    path = path.substring(0, idx);
+                }
+            }
+            uri = new URI(w.mScheme, w.mAuthInfo, w.mHost, w.mPort, path,
+                    query, frag);
+        } catch (Exception e) {
+            Log.e(LOGTAG, "Could not parse url for download: " + url, e);
+            return;
+        }
+
+        // XXX: Have to use the old url since the cookies were stored using the
+        // old percent-encoded url.
+        String cookies = CookieManager.getInstance().getCookie(url);
+
+        ContentValues values = new ContentValues();
+        values.put(Downloads.URI, uri.toString());
+        values.put(Downloads.COOKIE_DATA, cookies);
+        values.put(Downloads.USER_AGENT, userAgent);
+        values.put(Downloads.NOTIFICATION_PACKAGE,
+                getPackageName());
+        values.put(Downloads.NOTIFICATION_CLASS,
+                BrowserDownloadPage.class.getCanonicalName());
+        values.put(Downloads.VISIBILITY, Downloads.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
+        values.put(Downloads.MIMETYPE, mimetype);
+        values.put(Downloads.FILENAME_HINT, filename);
+        values.put(Downloads.DESCRIPTION, uri.getHost());
+        if (contentLength > 0) {
+            values.put(Downloads.TOTAL_BYTES, contentLength);
+        }
+        if (mimetype == null) {
+            // We must have long pressed on a link or image to download it. We
+            // are not sure of the mimetype in this case, so do a head request
+            new FetchUrlMimeType(this).execute(values);
+        } else {
+            final Uri contentUri =
+                    getContentResolver().insert(Downloads.CONTENT_URI, values);
+            viewDownloads(contentUri);
+        }
+
+    }
+
+    /**
+     * Resets the lock icon. This method is called when we start a new load and
+     * know the url to be loaded.
+     */
+    private void resetLockIcon(String url) {
+        // Save the lock-icon state (we revert to it if the load gets cancelled)
+        saveLockIcon();
+
+        mLockIconType = LOCK_ICON_UNSECURE;
+        if (URLUtil.isHttpsUrl(url)) {
+            mLockIconType = LOCK_ICON_SECURE;
+            if (Config.LOGV) {
+                Log.v(LOGTAG, "BrowserActivity.resetLockIcon:" +
+                      " reset lock icon to " + mLockIconType);
+            }
+        }
+
+        updateLockIconImage(LOCK_ICON_UNSECURE);
+    }
+
+    /**
+     * Resets the lock icon.  This method is called when the icon needs to be
+     * reset but we do not know whether we are loading a secure or not secure
+     * page.
+     */
+    private void resetLockIcon() {
+        // Save the lock-icon state (we revert to it if the load gets cancelled)
+        saveLockIcon();
+
+        mLockIconType = LOCK_ICON_UNSECURE;
+
+        if (Config.LOGV) {
+          Log.v(LOGTAG, "BrowserActivity.resetLockIcon:" +
+                " reset lock icon to " + mLockIconType);
+        }
+
+        updateLockIconImage(LOCK_ICON_UNSECURE);
+    }
+
+    /**
+     * Updates the lock-icon image in the title-bar.
+     */
+    private void updateLockIconImage(int lockIconType) {
+        Drawable d = null;
+        if (lockIconType == LOCK_ICON_SECURE) {
+            d = mSecLockIcon;
+        } else if (lockIconType == LOCK_ICON_MIXED) {
+            d = mMixLockIcon;
+        }
+        // If the tab overview is animating or being shown, do not update the
+        // lock icon.
+        if (mAnimationCount == 0 && mTabOverview == null) {
+            getWindow().setFeatureDrawable(Window.FEATURE_RIGHT_ICON, d);
+        }
+    }
+
+    /**
+     * Displays a page-info dialog.
+     * @param tab The tab to show info about
+     * @param fromShowSSLCertificateOnError The flag that indicates whether
+     * this dialog was opened from the SSL-certificate-on-error dialog or
+     * not. This is important, since we need to know whether to return to
+     * the parent dialog or simply dismiss.
+     */
+    private void showPageInfo(final TabControl.Tab tab,
+                              final boolean fromShowSSLCertificateOnError) {
+        final LayoutInflater factory = LayoutInflater
+                .from(this);
+
+        final View pageInfoView = factory.inflate(R.layout.page_info, null);
+
+        final WebView view = tab.getWebView();
+
+        String url = null;
+        String title = null;
+
+        if (view == null) {
+            url = tab.getUrl();
+            title = tab.getTitle();
+        } else if (view == mTabControl.getCurrentWebView()) {
+             // Use the cached title and url if this is the current WebView
+            url = mUrl;
+            title = mTitle;
+        } else {
+            url = view.getUrl();
+            title = view.getTitle();
+        }
+
+        if (url == null) {
+            url = "";
+        }
+        if (title == null) {
+            title = "";
+        }
+
+        ((TextView) pageInfoView.findViewById(R.id.address)).setText(url);
+        ((TextView) pageInfoView.findViewById(R.id.title)).setText(title);
+
+        mPageInfoView = tab;
+        mPageInfoFromShowSSLCertificateOnError = new Boolean(fromShowSSLCertificateOnError);
+
+        AlertDialog.Builder alertDialogBuilder =
+            new AlertDialog.Builder(this)
+            .setTitle(R.string.page_info).setIcon(android.R.drawable.ic_dialog_info)
+            .setView(pageInfoView)
+            .setPositiveButton(
+                R.string.ok,
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog,
+                                        int whichButton) {
+                        mPageInfoDialog = null;
+                        mPageInfoView = null;
+                        mPageInfoFromShowSSLCertificateOnError = null;
+
+                        // if we came here from the SSL error dialog
+                        if (fromShowSSLCertificateOnError) {
+                            // go back to the SSL error dialog
+                            showSSLCertificateOnError(
+                                mSSLCertificateOnErrorView,
+                                mSSLCertificateOnErrorHandler,
+                                mSSLCertificateOnErrorError);
+                        }
+                    }
+                })
+            .setOnCancelListener(
+                new DialogInterface.OnCancelListener() {
+                    public void onCancel(DialogInterface dialog) {
+                        mPageInfoDialog = null;
+                        mPageInfoView = null;
+                        mPageInfoFromShowSSLCertificateOnError = null;
+
+                        // if we came here from the SSL error dialog
+                        if (fromShowSSLCertificateOnError) {
+                            // go back to the SSL error dialog
+                            showSSLCertificateOnError(
+                                mSSLCertificateOnErrorView,
+                                mSSLCertificateOnErrorHandler,
+                                mSSLCertificateOnErrorError);
+                        }
+                    }
+                });
+
+        // if we have a main top-level page SSL certificate set or a certificate
+        // error
+        if (fromShowSSLCertificateOnError ||
+                (view != null && view.getCertificate() != null)) {
+            // add a 'View Certificate' button
+            alertDialogBuilder.setNeutralButton(
+                R.string.view_certificate,
+                new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog,
+                                        int whichButton) {
+                        mPageInfoDialog = null;
+                        mPageInfoView = null;
+                        mPageInfoFromShowSSLCertificateOnError = null;
+
+                        // if we came here from the SSL error dialog
+                        if (fromShowSSLCertificateOnError) {
+                            // go back to the SSL error dialog
+                            showSSLCertificateOnError(
+                                mSSLCertificateOnErrorView,
+                                mSSLCertificateOnErrorHandler,
+                                mSSLCertificateOnErrorError);
+                        } else {
+                            // otherwise, display the top-most certificate from
+                            // the chain
+                            if (view.getCertificate() != null) {
+                                showSSLCertificate(tab);
+                            }
+                        }
+                    }
+                });
+        }
+
+        mPageInfoDialog = alertDialogBuilder.show();
+    }
+
+       /**
+     * Displays the main top-level page SSL certificate dialog
+     * (accessible from the Page-Info dialog).
+     * @param tab The tab to show certificate for.
+     */
+    private void showSSLCertificate(final TabControl.Tab tab) {
+        final View certificateView =
+                inflateCertificateView(tab.getWebView().getCertificate());
+        if (certificateView == null) {
+            return;
+        }
+
+        LayoutInflater factory = LayoutInflater.from(this);
+
+        final LinearLayout placeholder =
+                (LinearLayout)certificateView.findViewById(R.id.placeholder);
+
+        LinearLayout ll = (LinearLayout) factory.inflate(
+            R.layout.ssl_success, placeholder);
+        ((TextView)ll.findViewById(R.id.success))
+            .setText(R.string.ssl_certificate_is_valid);
+
+        mSSLCertificateView = tab;
+        mSSLCertificateDialog =
+            new AlertDialog.Builder(this)
+                .setTitle(R.string.ssl_certificate).setIcon(
+                    R.drawable.ic_dialog_browser_certificate_secure)
+                .setView(certificateView)
+                .setPositiveButton(R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog,
+                                    int whichButton) {
+                                mSSLCertificateDialog = null;
+                                mSSLCertificateView = null;
+
+                                showPageInfo(tab, false);
+                            }
+                        })
+                .setOnCancelListener(
+                        new DialogInterface.OnCancelListener() {
+                            public void onCancel(DialogInterface dialog) {
+                                mSSLCertificateDialog = null;
+                                mSSLCertificateView = null;
+
+                                showPageInfo(tab, false);
+                            }
+                        })
+                .show();
+    }
+
+    /**
+     * Displays the SSL error certificate dialog.
+     * @param view The target web-view.
+     * @param handler The SSL error handler responsible for cancelling the
+     * connection that resulted in an SSL error or proceeding per user request.
+     * @param error The SSL error object.
+     */
+    private void showSSLCertificateOnError(
+        final WebView view, final SslErrorHandler handler, final SslError error) {
+
+        final View certificateView =
+            inflateCertificateView(error.getCertificate());
+        if (certificateView == null) {
+            return;
+        }
+
+        LayoutInflater factory = LayoutInflater.from(this);
+
+        final LinearLayout placeholder =
+                (LinearLayout)certificateView.findViewById(R.id.placeholder);
+
+        if (error.hasError(SslError.SSL_UNTRUSTED)) {
+            LinearLayout ll = (LinearLayout)factory
+                .inflate(R.layout.ssl_warning, placeholder);
+            ((TextView)ll.findViewById(R.id.warning))
+                .setText(R.string.ssl_untrusted);
+        }
+
+        if (error.hasError(SslError.SSL_IDMISMATCH)) {
+            LinearLayout ll = (LinearLayout)factory
+                .inflate(R.layout.ssl_warning, placeholder);
+            ((TextView)ll.findViewById(R.id.warning))
+                .setText(R.string.ssl_mismatch);
+        }
+
+        if (error.hasError(SslError.SSL_EXPIRED)) {
+            LinearLayout ll = (LinearLayout)factory
+                .inflate(R.layout.ssl_warning, placeholder);
+            ((TextView)ll.findViewById(R.id.warning))
+                .setText(R.string.ssl_expired);
+        }
+
+        if (error.hasError(SslError.SSL_NOTYETVALID)) {
+            LinearLayout ll = (LinearLayout)factory
+                .inflate(R.layout.ssl_warning, placeholder);
+            ((TextView)ll.findViewById(R.id.warning))
+                .setText(R.string.ssl_not_yet_valid);
+        }
+
+        mSSLCertificateOnErrorHandler = handler;
+        mSSLCertificateOnErrorView = view;
+        mSSLCertificateOnErrorError = error;
+        mSSLCertificateOnErrorDialog =
+            new AlertDialog.Builder(this)
+                .setTitle(R.string.ssl_certificate).setIcon(
+                    R.drawable.ic_dialog_browser_certificate_partially_secure)
+                .setView(certificateView)
+                .setPositiveButton(R.string.ok,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog,
+                                    int whichButton) {
+                                mSSLCertificateOnErrorDialog = null;
+                                mSSLCertificateOnErrorView = null;
+                                mSSLCertificateOnErrorHandler = null;
+                                mSSLCertificateOnErrorError = null;
+
+                                mWebViewClient.onReceivedSslError(
+                                    view, handler, error);
+                            }
+                        })
+                 .setNeutralButton(R.string.page_info_view,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog,
+                                    int whichButton) {
+                                mSSLCertificateOnErrorDialog = null;
+
+                                // do not clear the dialog state: we will
+                                // need to show the dialog again once the
+                                // user is done exploring the page-info details
+
+                                showPageInfo(mTabControl.getTabFromView(view),
+                                        true);
+                            }
+                        })
+                .setOnCancelListener(
+                        new DialogInterface.OnCancelListener() {
+                            public void onCancel(DialogInterface dialog) {
+                                mSSLCertificateOnErrorDialog = null;
+                                mSSLCertificateOnErrorView = null;
+                                mSSLCertificateOnErrorHandler = null;
+                                mSSLCertificateOnErrorError = null;
+
+                                mWebViewClient.onReceivedSslError(
+                                    view, handler, error);
+                            }
+                        })
+                .show();
+    }
+
+    /**
+     * Inflates the SSL certificate view (helper method).
+     * @param certificate The SSL certificate.
+     * @return The resultant certificate view with issued-to, issued-by,
+     * issued-on, expires-on, and possibly other fields set.
+     * If the input certificate is null, returns null.
+     */
+    private View inflateCertificateView(SslCertificate certificate) {
+        if (certificate == null) {
+            return null;
+        }
+
+        LayoutInflater factory = LayoutInflater.from(this);
+
+        View certificateView = factory.inflate(
+            R.layout.ssl_certificate, null);
+
+        // issued to:
+        SslCertificate.DName issuedTo = certificate.getIssuedTo();
+        if (issuedTo != null) {
+            ((TextView) certificateView.findViewById(R.id.to_common))
+                .setText(issuedTo.getCName());
+            ((TextView) certificateView.findViewById(R.id.to_org))
+                .setText(issuedTo.getOName());
+            ((TextView) certificateView.findViewById(R.id.to_org_unit))
+                .setText(issuedTo.getUName());
+        }
+
+        // issued by:
+        SslCertificate.DName issuedBy = certificate.getIssuedBy();
+        if (issuedBy != null) {
+            ((TextView) certificateView.findViewById(R.id.by_common))
+                .setText(issuedBy.getCName());
+            ((TextView) certificateView.findViewById(R.id.by_org))
+                .setText(issuedBy.getOName());
+            ((TextView) certificateView.findViewById(R.id.by_org_unit))
+                .setText(issuedBy.getUName());
+        }
+
+        // issued on:
+        String issuedOn = reformatCertificateDate(
+            certificate.getValidNotBefore());
+        ((TextView) certificateView.findViewById(R.id.issued_on))
+            .setText(issuedOn);
+
+        // expires on:
+        String expiresOn = reformatCertificateDate(
+            certificate.getValidNotAfter());
+        ((TextView) certificateView.findViewById(R.id.expires_on))
+            .setText(expiresOn);
+
+        return certificateView;
+    }
+
+    /**
+     * Re-formats the certificate date (Date.toString()) string to
+     * a properly localized date string.
+     * @return Properly localized version of the certificate date string and
+     * the original certificate date string if fails to localize.
+     * If the original string is null, returns an empty string "".
+     */
+    private String reformatCertificateDate(String certificateDate) {
+      String reformattedDate = null;
+
+      if (certificateDate != null) {
+          Date date = null;
+          try {
+              date = java.text.DateFormat.getInstance().parse(certificateDate);
+          } catch (ParseException e) {
+              date = null;
+          }
+
+          if (date != null) {
+              reformattedDate =
+                  DateFormat.getDateFormat(this).format(date);
+          }
+      }
+
+      return reformattedDate != null ? reformattedDate :
+          (certificateDate != null ? certificateDate : "");
+    }
+
+    /**
+     * Displays an http-authentication dialog.
+     */
+    private void showHttpAuthentication(final HttpAuthHandler handler,
+            final String host, final String realm, final String title,
+            final String name, final String password, int focusId) {
+        LayoutInflater factory = LayoutInflater.from(this);
+        final View v = factory
+                .inflate(R.layout.http_authentication, null);
+        if (name != null) {
+            ((EditText) v.findViewById(R.id.username_edit)).setText(name);
+        }
+        if (password != null) {
+            ((EditText) v.findViewById(R.id.password_edit)).setText(password);
+        }
+
+        String titleText = title;
+        if (titleText == null) {
+            titleText = getText(R.string.sign_in_to).toString().replace(
+                    "%s1", host).replace("%s2", realm);
+        }
+
+        mHttpAuthHandler = handler;
+        AlertDialog dialog = new AlertDialog.Builder(this)
+                .setTitle(titleText)
+                .setIcon(android.R.drawable.ic_dialog_alert)
+                .setView(v)
+                .setPositiveButton(R.string.action,
+                        new DialogInterface.OnClickListener() {
+                             public void onClick(DialogInterface dialog,
+                                     int whichButton) {
+                                String nm = ((EditText) v
+                                        .findViewById(R.id.username_edit))
+                                        .getText().toString();
+                                String pw = ((EditText) v
+                                        .findViewById(R.id.password_edit))
+                                        .getText().toString();
+                                BrowserActivity.this.setHttpAuthUsernamePassword
+                                        (host, realm, nm, pw);
+                                handler.proceed(nm, pw);
+                                mHttpAuthenticationDialog = null;
+                                mHttpAuthHandler = null;
+                            }})
+                .setNegativeButton(R.string.cancel,
+                        new DialogInterface.OnClickListener() {
+                            public void onClick(DialogInterface dialog,
+                                    int whichButton) {
+                                handler.cancel();
+                                BrowserActivity.this.resetTitleAndRevertLockIcon();
+                                mHttpAuthenticationDialog = null;
+                                mHttpAuthHandler = null;
+                            }})
+                .setOnCancelListener(new DialogInterface.OnCancelListener() {
+                        public void onCancel(DialogInterface dialog) {
+                            handler.cancel();
+                            BrowserActivity.this.resetTitleAndRevertLockIcon();
+                            mHttpAuthenticationDialog = null;
+                            mHttpAuthHandler = null;
+                        }})
+                .create();
+        // Make the IME appear when the dialog is displayed if applicable.
+        dialog.getWindow().setSoftInputMode(
+                WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
+        dialog.show();
+        if (focusId != 0) {
+            dialog.findViewById(focusId).requestFocus();
+        } else {
+            v.findViewById(R.id.username_edit).requestFocus();
+        }
+        mHttpAuthenticationDialog = dialog;
+    }
+
+    public int getProgress() {
+        WebView w = mTabControl.getCurrentWebView();
+        if (w != null) {
+            return w.getProgress();
+        } else {
+            return 100;
+        }
+    }
+
+    /**
+     * Set HTTP authentication password.
+     *
+     * @param host The host for the password
+     * @param realm The realm for the password
+     * @param username The username for the password. If it is null, it means
+     *            password can't be saved.
+     * @param password The password
+     */
+    public void setHttpAuthUsernamePassword(String host, String realm,
+                                            String username,
+                                            String password) {
+        WebView w = mTabControl.getCurrentWebView();
+        if (w != null) {
+            w.setHttpAuthUsernamePassword(host, realm, username, password);
+        }
+    }
+
+    /**
+     * connectivity manager says net has come or gone... inform the user
+     * @param up true if net has come up, false if net has gone down
+     */
+    public void onNetworkToggle(boolean up) {
+        if (up == mIsNetworkUp) {
+            return;
+        } else if (up) {
+            mIsNetworkUp = true;
+            if (mAlertDialog != null) {
+                mAlertDialog.cancel();
+                mAlertDialog = null;
+            }
+        } else {
+            mIsNetworkUp = false;
+            if (mInLoad && mAlertDialog == null) {
+                mAlertDialog = new AlertDialog.Builder(this)
+                        .setTitle(R.string.loadSuspendedTitle)
+                        .setMessage(R.string.loadSuspended)
+                        .setPositiveButton(R.string.ok, null)
+                        .show();
+            }
+        }
+        WebView w = mTabControl.getCurrentWebView();
+        if (w != null) {
+            w.setNetworkAvailable(up);
+        }
+    }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode,
+                                    Intent intent) {
+        switch (requestCode) {
+            case COMBO_PAGE:
+                if (resultCode == RESULT_OK && intent != null) {
+                    String data = intent.getAction();
+                    Bundle extras = intent.getExtras();
+                    if (extras != null && extras.getBoolean("new_window", false)) {
+                        openTab(data);
+                    } else {
+                        final TabControl.Tab currentTab =
+                                mTabControl.getCurrentTab();
+                        // If the Window overview is up and we are not in the
+                        // middle of an animation, animate away from it to the
+                        // current tab.
+                        if (mTabOverview != null && mAnimationCount == 0) {
+                            sendAnimateFromOverview(currentTab, false, data,
+                                    TAB_OVERVIEW_DELAY, null);
+                        } else {
+                            dismissSubWindow(currentTab);
+                            if (data != null && data.length() != 0) {
+                                getTopWindow().loadUrl(data);
+                            }
+                        }
+                    }
+                }
+                break;
+            default:
+                break;
+        }
+        getTopWindow().requestFocus();
+    }
+
+    /*
+     * This method is called as a result of the user selecting the options
+     * menu to see the download window, or when a download changes state. It
+     * shows the download window ontop of the current window.
+     */
+    /* package */ void viewDownloads(Uri downloadRecord) {
+        Intent intent = new Intent(this,
+                BrowserDownloadPage.class);
+        intent.setData(downloadRecord);
+        startActivityForResult(intent, this.DOWNLOAD_PAGE);
+
+    }
+
+    /**
+     * Handle results from Tab Switcher mTabOverview tool
+     */
+    private class TabListener implements ImageGrid.Listener {
+        public void remove(int position) {
+            // Note: Remove is not enabled if we have only one tab.
+            if (Config.DEBUG && mTabControl.getTabCount() == 1) {
+                throw new AssertionError();
+            }
+
+            // Remember the current tab.
+            TabControl.Tab current = mTabControl.getCurrentTab();
+            final TabControl.Tab remove = mTabControl.getTab(position);
+            mTabControl.removeTab(remove);
+            // If we removed the current tab, use the tab at position - 1 if
+            // possible.
+            if (current == remove) {
+                // If the user removes the last tab, act like the New Tab item
+                // was clicked on.
+                if (mTabControl.getTabCount() == 0) {
+                    current = mTabControl.createNewTab(false);
+                    sendAnimateFromOverview(current, true,
+                            mSettings.getHomePage(), TAB_OVERVIEW_DELAY, null);
+                } else {
+                    final int index = position > 0 ? (position - 1) : 0;
+                    current = mTabControl.getTab(index);
+                }
+            }
+
+            // The tab overview could have been dismissed before this method is
+            // called.
+            if (mTabOverview != null) {
+                // Remove the tab and change the index.
+                mTabOverview.remove(position);
+                mTabOverview.setCurrentIndex(mTabControl.getTabIndex(current));
+            }
+
+            // Only the current tab ensures its WebView is non-null. This
+            // implies that we are reloading the freed tab.
+            mTabControl.setCurrentTab(current);
+        }
+        public void onClick(int index) {
+            // Change the tab if necessary.
+            // Index equals ImageGrid.CANCEL when pressing back from the tab
+            // overview.
+            if (index == ImageGrid.CANCEL) {
+                index = mTabControl.getCurrentIndex();
+                // The current index is -1 if the current tab was removed.
+                if (index == -1) {
+                    // Take the last tab as a fallback.
+                    index = mTabControl.getTabCount() - 1;
+                }
+            }
+
+            // Clear all the data for tab picker so next time it will be
+            // recreated.
+            mTabControl.wipeAllPickerData();
+
+            // NEW_TAB means that the "New Tab" cell was clicked on.
+            if (index == ImageGrid.NEW_TAB) {
+                openTabAndShow(mSettings.getHomePage(), null, false);
+            } else {
+                sendAnimateFromOverview(mTabControl.getTab(index),
+                        false, null, 0, null);
+            }
+        }
+    }
+
+    // A fake View that draws the WebView's picture with a fast zoom filter.
+    // The View is used in case the tab is freed during the animation because
+    // of low memory.
+    private static class AnimatingView extends View {
+        private static final int ZOOM_BITS = Paint.FILTER_BITMAP_FLAG |
+                Paint.DITHER_FLAG | Paint.SUBPIXEL_TEXT_FLAG;
+        private static final DrawFilter sZoomFilter =
+                new PaintFlagsDrawFilter(ZOOM_BITS, Paint.LINEAR_TEXT_FLAG);
+        private final Picture mPicture;
+        private final float   mScale;
+        private final int     mScrollX;
+        private final int     mScrollY;
+        final TabControl.Tab  mTab;
+
+        AnimatingView(Context ctxt, TabControl.Tab t) {
+            super(ctxt);
+            mTab = t;
+            // Use the top window in the animation since the tab overview will
+            // display the top window in each cell.
+            final WebView w = t.getTopWindow();
+            mPicture = w.capturePicture();
+            mScale = w.getScale() / w.getWidth();
+            mScrollX = w.getScrollX();
+            mScrollY = w.getScrollY();
+        }
+
+        @Override
+        protected void onDraw(Canvas canvas) {
+            canvas.save();
+            canvas.drawColor(Color.WHITE);
+            if (mPicture != null) {
+                canvas.setDrawFilter(sZoomFilter);
+                float scale = getWidth() * mScale;
+                canvas.scale(scale, scale);
+                canvas.translate(-mScrollX, -mScrollY);
+                canvas.drawPicture(mPicture);
+            }
+            canvas.restore();
+        }
+    }
+
+    /**
+     *  Open the tab picker. This function will always use the current tab in
+     *  its animation.
+     *  @param stay boolean stating whether the tab picker is to remain open
+     *          (in which case it needs a listener and its menu) or not.
+     *  @param index The index of the tab to show as the selection in the tab
+     *               overview.
+     *  @param remove If true, the tab at index will be removed after the
+     *                animation completes.
+     */
+    private void tabPicker(final boolean stay, final int index,
+            final boolean remove) {
+        if (mTabOverview != null) {
+            return;
+        }
+
+        int size = mTabControl.getTabCount();
+
+        TabListener l = null;
+        if (stay) {
+            l = mTabListener = new TabListener();
+        }
+        mTabOverview = new ImageGrid(this, stay, l);
+
+        for (int i = 0; i < size; i++) {
+            final TabControl.Tab t = mTabControl.getTab(i);
+            mTabControl.populatePickerData(t);
+            mTabOverview.add(t);
+        }
+
+        // Tell the tab overview to show the current tab, the tab overview will
+        // handle the "New Tab" case.
+        int currentIndex = mTabControl.getCurrentIndex();
+        mTabOverview.setCurrentIndex(currentIndex);
+
+        // Attach the tab overview.
+        mContentView.addView(mTabOverview, COVER_SCREEN_PARAMS);
+
+        // Create a fake AnimatingView to animate the WebView's picture.
+        final TabControl.Tab current = mTabControl.getCurrentTab();
+        final AnimatingView v = new AnimatingView(this, current);
+        mContentView.addView(v, COVER_SCREEN_PARAMS);
+        removeTabFromContentView(current);
+        // Pause timers to get the animation smoother.
+        current.getWebView().pauseTimers();
+
+        // Send a message so the tab picker has a chance to layout and get
+        // positions for all the cells.
+        mHandler.sendMessage(mHandler.obtainMessage(ANIMATE_TO_OVERVIEW,
+                index, remove ? 1 : 0, v));
+        // Setting this will indicate that we are animating to the overview. We
+        // set it here to prevent another request to animate from coming in
+        // between now and when ANIMATE_TO_OVERVIEW is handled.
+        mAnimationCount++;
+        // Always change the title bar to the window overview title while
+        // animating.
+        getWindow().setFeatureDrawable(Window.FEATURE_LEFT_ICON, null);
+        getWindow().setFeatureDrawable(Window.FEATURE_RIGHT_ICON, null);
+        getWindow().setFeatureInt(Window.FEATURE_PROGRESS,
+                Window.PROGRESS_VISIBILITY_OFF);
+        setTitle(R.string.tab_picker_title);
+        // Make the menu empty until the animation completes.
+        mMenuState = EMPTY_MENU;
+    }
+
+    private void bookmarksOrHistoryPicker(boolean startWithHistory) {
+        WebView current = mTabControl.getCurrentWebView();
+        if (current == null) {
+            return;
+        }
+        Intent intent = new Intent(this,
+                CombinedBookmarkHistoryActivity.class);
+        String title = current.getTitle();
+        String url = current.getUrl();
+        // Just in case the user opens bookmarks before a page finishes loading
+        // so the current history item, and therefore the page, is null.
+        if (null == url) {
+            url = mLastEnteredUrl;
+            // This can happen.
+            if (null == url) {
+                url = mSettings.getHomePage();
+            }
+        }
+        // In case the web page has not yet received its associated title.
+        if (title == null) {
+            title = url;
+        }
+        intent.putExtra("title", title);
+        intent.putExtra("url", url);
+        intent.putExtra("maxTabsOpen",
+                mTabControl.getTabCount() >= TabControl.MAX_TABS);
+        if (startWithHistory) {
+            intent.putExtra(CombinedBookmarkHistoryActivity.STARTING_TAB,
+                    CombinedBookmarkHistoryActivity.HISTORY_TAB);
+        }
+        startActivityForResult(intent, COMBO_PAGE);
+    }
+
+    // Called when loading from context menu or LOAD_URL message
+    private void loadURL(WebView view, String url) {
+        // In case the user enters nothing.
+        if (url != null && url.length() != 0 && view != null) {
+            url = smartUrlFilter(url);
+            if (!mWebViewClient.shouldOverrideUrlLoading(view, url)) {
+                view.loadUrl(url);
+            }
+        }
+    }
+
+    private void checkMemory() {
+        ActivityManager.MemoryInfo mi = new ActivityManager.MemoryInfo();
+        ((ActivityManager) getSystemService(ACTIVITY_SERVICE))
+                .getMemoryInfo(mi);
+        // FIXME: mi.lowMemory is too aggressive, use (mi.availMem <
+        // mi.threshold) for now
+        //        if (mi.lowMemory) {
+        if (mi.availMem < mi.threshold) {
+            Log.w(LOGTAG, "Browser is freeing memory now because: available="
+                            + (mi.availMem / 1024) + "K threshold="
+                            + (mi.threshold / 1024) + "K");
+            mTabControl.freeMemory();
+        }
+    }
+
+    private String smartUrlFilter(Uri inUri) {
+        if (inUri != null) {
+            return smartUrlFilter(inUri.toString());
+        }
+        return null;
+    }
+
+
+    // get window count
+
+    int getWindowCount(){
+      if(mTabControl != null){
+        return mTabControl.getTabCount();
+      }
+      return 0;
+    }
+
+    static final Pattern ACCEPTED_URI_SCHEMA = Pattern.compile(
+            "(?i)" + // switch on case insensitive matching
+            "(" +    // begin group for schema
+            "(?:http|https|file):\\/\\/" +
+            "|(?:data|about|content|javascript):" +
+            ")" +
+            "(.*)" );
+
+    /**
+     * Attempts to determine whether user input is a URL or search
+     * terms.  Anything with a space is passed to search.
+     *
+     * Converts to lowercase any mistakenly uppercased schema (i.e.,
+     * "Http://" converts to "http://"
+     *
+     * @return Original or modified URL
+     *
+     */
+    String smartUrlFilter(String url) {
+
+        String inUrl = url.trim();
+        boolean hasSpace = inUrl.indexOf(' ') != -1;
+
+        Matcher matcher = ACCEPTED_URI_SCHEMA.matcher(inUrl);
+        if (matcher.matches()) {
+            if (hasSpace) {
+                inUrl = inUrl.replace(" ", "%20");
+            }
+            // force scheme to lowercase
+            String scheme = matcher.group(1);
+            String lcScheme = scheme.toLowerCase();
+            if (!lcScheme.equals(scheme)) {
+                return lcScheme + matcher.group(2);
+            }
+            return inUrl;
+        }
+        if (hasSpace) {
+            // FIXME: quick search, need to be customized by setting
+            if (inUrl.length() > 2 && inUrl.charAt(1) == ' ') {
+                // FIXME: Is this the correct place to add to searches?
+                // what if someone else calls this function?
+                char char0 = inUrl.charAt(0);
+
+                if (char0 == 'g') {
+                    Browser.addSearchUrl(mResolver, inUrl);
+                    return composeSearchUrl(inUrl.substring(2));
+
+                } else if (char0 == 'w') {
+                    Browser.addSearchUrl(mResolver, inUrl);
+                    return URLUtil.composeSearchUrl(inUrl.substring(2),
+                            QuickSearch_W,
+                            QUERY_PLACE_HOLDER);
+
+                } else if (char0 == 'd') {
+                    Browser.addSearchUrl(mResolver, inUrl);
+                    return URLUtil.composeSearchUrl(inUrl.substring(2),
+                            QuickSearch_D,
+                            QUERY_PLACE_HOLDER);
+
+                } else if (char0 == 'l') {
+                    Browser.addSearchUrl(mResolver, inUrl);
+                    // FIXME: we need location in this case
+                    return URLUtil.composeSearchUrl(inUrl.substring(2),
+                            QuickSearch_L,
+                            QUERY_PLACE_HOLDER);
+                }
+            }
+        } else {
+            if (Regex.WEB_URL_PATTERN.matcher(inUrl).matches()) {
+                return URLUtil.guessUrl(inUrl);
+            }
+        }
+
+        Browser.addSearchUrl(mResolver, inUrl);
+        return composeSearchUrl(inUrl);
+    }
+
+    /* package */ String composeSearchUrl(String search) {
+        return URLUtil.composeSearchUrl(search, QuickSearch_G,
+                QUERY_PLACE_HOLDER);
+    }
+
+    /* package */void setBaseSearchUrl(String url) {
+        if (url == null || url.length() == 0) {
+            /*
+             * get the google search url based on the SIM. Default is US. NOTE:
+             * This code uses resources to optionally select the search Uri,
+             * based on the MCC value from the SIM. The default string will most
+             * likely be fine. It is parameterized to accept info from the
+             * Locale, the language code is the first parameter (%1$s) and the
+             * country code is the second (%2$s). This code must function in the
+             * same way as a similar lookup in
+             * com.android.googlesearch.SuggestionProvider#onCreate(). If you
+             * change either of these functions, change them both. (The same is
+             * true for the underlying resource strings, which are stored in
+             * mcc-specific xml files.)
+             */
+            Locale l = Locale.getDefault();
+            QuickSearch_G = getResources().getString(
+                    R.string.google_search_base, l.getLanguage(),
+                    l.getCountry().toLowerCase())
+                    + "client=ms-"
+                    + SystemProperties.get("persist.sys.com.google.clientid", "unknown")
+                    + "&source=android-" + GOOGLE_SEARCH_SOURCE_SUGGEST + "&q=%s";
+        } else {
+            QuickSearch_G = url;
+        }
+    }
+
+    private final static int LOCK_ICON_UNSECURE = 0;
+    private final static int LOCK_ICON_SECURE   = 1;
+    private final static int LOCK_ICON_MIXED    = 2;
+
+    private int mLockIconType = LOCK_ICON_UNSECURE;
+    private int mPrevLockType = LOCK_ICON_UNSECURE;
+
+    private BrowserSettings mSettings;
+    private TabControl      mTabControl;
+    private ContentResolver mResolver;
+    private FrameLayout     mContentView;
+    private ImageGrid       mTabOverview;
+
+    // FIXME, temp address onPrepareMenu performance problem. When we move everything out of
+    // view, we should rewrite this.
+    private int mCurrentMenuState = 0;
+    private int mMenuState = R.id.MAIN_MENU;
+    private static final int EMPTY_MENU = -1;
+    private Menu mMenu;
+
+    private FindDialog mFindDialog;
+    // Used to prevent chording to result in firing two shortcuts immediately
+    // one after another.  Fixes bug 1211714.
+    boolean mCanChord;
+
+    private boolean mInLoad;
+    private boolean mIsNetworkUp;
+
+    private boolean mPageStarted;
+    private boolean mActivityInPause = true;
+
+    private boolean mMenuIsDown;
+
+    private final KeyTracker mKeyTracker = new KeyTracker(this);
+
+    // As trackball doesn't send repeat down, we have to track it ourselves
+    private boolean mTrackTrackball;
+
+    private static boolean mInTrace;
+
+    // Performance probe
+    private static final int[] SYSTEM_CPU_FORMAT = new int[] {
+            Process.PROC_SPACE_TERM | Process.PROC_COMBINE,
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 1: user time
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 2: nice time
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 3: sys time
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 4: idle time
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 5: iowait time
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG, // 6: irq time
+            Process.PROC_SPACE_TERM | Process.PROC_OUT_LONG  // 7: softirq time
+    };
+
+    private long mStart;
+    private long mProcessStart;
+    private long mUserStart;
+    private long mSystemStart;
+    private long mIdleStart;
+    private long mIrqStart;
+
+    private long mUiStart;
+
+    private Drawable    mMixLockIcon;
+    private Drawable    mSecLockIcon;
+    private Drawable    mGenericFavicon;
+
+    /* hold a ref so we can auto-cancel if necessary */
+    private AlertDialog mAlertDialog;
+
+    // Wait for credentials before loading google.com
+    private ProgressDialog mCredsDlg;
+
+    // The up-to-date URL and title (these can be different from those stored
+    // in WebView, since it takes some time for the information in WebView to
+    // get updated)
+    private String mUrl;
+    private String mTitle;
+
+    // As PageInfo has different style for landscape / portrait, we have
+    // to re-open it when configuration changed
+    private AlertDialog mPageInfoDialog;
+    private TabControl.Tab mPageInfoView;
+    // If the Page-Info dialog is launched from the SSL-certificate-on-error
+    // dialog, we should not just dismiss it, but should get back to the
+    // SSL-certificate-on-error dialog. This flag is used to store this state
+    private Boolean mPageInfoFromShowSSLCertificateOnError;
+
+    // as SSLCertificateOnError has different style for landscape / portrait,
+    // we have to re-open it when configuration changed
+    private AlertDialog mSSLCertificateOnErrorDialog;
+    private WebView mSSLCertificateOnErrorView;
+    private SslErrorHandler mSSLCertificateOnErrorHandler;
+    private SslError mSSLCertificateOnErrorError;
+
+    // as SSLCertificate has different style for landscape / portrait, we
+    // have to re-open it when configuration changed
+    private AlertDialog mSSLCertificateDialog;
+    private TabControl.Tab mSSLCertificateView;
+
+    // as HttpAuthentication has different style for landscape / portrait, we
+    // have to re-open it when configuration changed
+    private AlertDialog mHttpAuthenticationDialog;
+    private HttpAuthHandler mHttpAuthHandler;
+
+    /*package*/ static final FrameLayout.LayoutParams COVER_SCREEN_PARAMS =
+                                            new FrameLayout.LayoutParams(
+                                            ViewGroup.LayoutParams.FILL_PARENT,
+                                            ViewGroup.LayoutParams.FILL_PARENT);
+    // We may provide UI to customize these
+    // Google search from the browser
+    static String QuickSearch_G;
+    // Wikipedia search
+    final static String QuickSearch_W = "http://en.wikipedia.org/w/index.php?search=%s&go=Go";
+    // Dictionary search
+    final static String QuickSearch_D = "http://dictionary.reference.com/search?q=%s";
+    // Google Mobile Local search
+    final static String QuickSearch_L = "http://www.google.com/m/search?site=local&q=%s&near=mountain+view";
+
+    final static String QUERY_PLACE_HOLDER = "%s";
+
+    // "source" parameter for Google search through search key
+    final static String GOOGLE_SEARCH_SOURCE_SEARCHKEY = "browser-key";
+    // "source" parameter for Google search through goto menu
+    final static String GOOGLE_SEARCH_SOURCE_GOTO = "browser-goto";
+    // "source" parameter for Google search through simplily type
+    final static String GOOGLE_SEARCH_SOURCE_TYPE = "browser-type";
+    // "source" parameter for Google search suggested by the browser
+    final static String GOOGLE_SEARCH_SOURCE_SUGGEST = "browser-suggest";
+    // "source" parameter for Google search from unknown source
+    final static String GOOGLE_SEARCH_SOURCE_UNKNOWN = "unknown";
+
+    private final static String LOGTAG = "browser";
+
+    private TabListener mTabListener;
+
+    private String mLastEnteredUrl;
+
+    private PowerManager.WakeLock mWakeLock;
+    private final static int WAKELOCK_TIMEOUT = 5 * 60 * 1000; // 5 minutes
+
+    private Toast mStopToast;
+
+    // Used during animations to prevent other animations from being triggered.
+    // A count is used since the animation to and from the Window overview can
+    // overlap. A count of 0 means no animation where a count of > 0 means
+    // there are animations in progress.
+    private int mAnimationCount;
+
+    // As the ids are dynamically created, we can't guarantee that they will
+    // be in sequence, so this static array maps ids to a window number.
+    final static private int[] WINDOW_SHORTCUT_ID_ARRAY =
+    { R.id.window_one_menu_id, R.id.window_two_menu_id, R.id.window_three_menu_id,
+      R.id.window_four_menu_id, R.id.window_five_menu_id, R.id.window_six_menu_id,
+      R.id.window_seven_menu_id, R.id.window_eight_menu_id };
+
+    // monitor platform changes
+    private IntentFilter mNetworkStateChangedFilter;
+    private BroadcastReceiver mNetworkStateIntentReceiver;
+
+    // activity requestCode
+    final static int COMBO_PAGE             = 1;
+    final static int DOWNLOAD_PAGE          = 2;
+    final static int PREFERENCES_PAGE       = 3;
+
+    // the frenquency of checking whether system memory is low
+    final static int CHECK_MEMORY_INTERVAL = 30000;     // 30 seconds
+}