Save a new bookmark to the bookmarks DB asynchronously. Fix for bug 2151093.

Change-Id: I860482f0a0610669f87965947b0818508d8988b7
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 2d91d31..f59a985 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -158,6 +158,8 @@
     <string name="set_as_homepage">Set as homepage</string>
     <!-- Toast informing the user that their action to save a bookmark has succeeded -->
     <string name="bookmark_saved">Saved to bookmarks.</string>
+    <!-- Toast informing the user that their action to save a bookmark did not succeed -->
+    <string name="bookmark_not_saved">Unable to save bookmark.</string>
     <!-- Toast confirming that the homepage has been set -->
     <string name="homepage_set">Homepage set.</string>
     <!-- Error that appears in the title of Bookmark dialog when user selects OK with empty Name field -->
@@ -514,9 +516,6 @@
     <!-- Verb placed in front of a screenshot of a web page that, when clicked,
             will add that page to bookmarks -->
     <string name="add_bookmark_short">Add</string>
-    <!-- Add bookmark dialog sets its title to this if we have no database.
-            This is an error case -->
-    <string name="no_database">No database!</string>
     
     <!-- This string is for the browser "Go To" UI. -->
     <!-- Do not translate.  This string is not displayed in UI (no badge is selected for go to). -->
diff --git a/src/com/android/browser/AddBookmarkPage.java b/src/com/android/browser/AddBookmarkPage.java
index 71bf481..0ded526 100644
--- a/src/com/android/browser/AddBookmarkPage.java
+++ b/src/com/android/browser/AddBookmarkPage.java
@@ -25,6 +25,8 @@
 import android.net.ParseException;
 import android.net.WebAddress;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Message;
 import android.provider.Browser;
 import android.view.View;
 import android.view.Window;
@@ -50,12 +52,15 @@
     private Bitmap      mThumbnail;
     private String      mOriginalUrl;
 
+    // Message IDs
+    private static final int SAVE_BOOKMARK = 100;
+
+    private Handler mHandler;
+
     private View.OnClickListener mSaveBookmark = new View.OnClickListener() {
         public void onClick(View v) {
             if (save()) {
                 finish();
-                Toast.makeText(AddBookmarkPage.this, R.string.bookmark_saved,
-                        Toast.LENGTH_LONG).show();
             }
         }
     };
@@ -94,7 +99,6 @@
         mAddress = (EditText) findViewById(R.id.address);
         mAddress.setText(url);
 
-
         View.OnClickListener accept = mSaveBookmark;
         mButton = (TextView) findViewById(R.id.OK);
         mButton.setOnClickListener(accept);
@@ -106,13 +110,59 @@
             mButton.requestFocus();
         }
     }
-    
+
+    private void createHandler() {
+        if (mHandler == null) {
+            mHandler = new Handler() {
+                @Override
+                public void handleMessage(Message msg) {
+                    switch (msg.what) {
+                        case SAVE_BOOKMARK:
+                            // Unbundle bookmark data.
+                            Bundle bundle = msg.getData();
+                            String title = bundle.getString("title");
+                            String url = bundle.getString("url");
+                            boolean invalidateThumbnail = bundle.getBoolean("invalidateThumbnail");
+                            Bitmap thumbnail = invalidateThumbnail
+                                    ? null : (Bitmap) bundle.getParcelable("thumbnail");
+                            String touchIconUrl = bundle.getString("touchIconUrl");
+
+                            // Save to the bookmarks DB.
+                            if (updateBookmarksDB(title, url, thumbnail, touchIconUrl)) {
+                                Toast.makeText(AddBookmarkPage.this, R.string.bookmark_saved,
+                                        Toast.LENGTH_LONG).show();
+                            } else {
+                                Toast.makeText(AddBookmarkPage.this, R.string.bookmark_not_saved,
+                                        Toast.LENGTH_LONG).show();
+                            }
+                            break;
+                    }
+                }
+            };
+        }
+    }
+
+    private boolean updateBookmarksDB(String title, String url, Bitmap thumbnail, String touchIconUrl) {
+        try {
+            final ContentResolver cr = getContentResolver();
+            Bookmarks.addBookmark(null, cr, url, title, thumbnail, true);
+            if (touchIconUrl != null) {
+                final Cursor c =
+                        BrowserBookmarksAdapter.queryBookmarksForUrl(cr, null, url, true);
+                new DownloadTouchIcon(cr, c, url).execute(mTouchIconUrl);
+            }
+        } catch (IllegalStateException e) {
+            return false;
+        }
+        return true;
+    }
+
     /**
-     *  Save the data to the database. 
-     *  Also, change the view to dialog stating 
-     *  that the webpage has been saved.
+     * Parse the data entered in the dialog and post a message to update the bookmarks database.
      */
     boolean save() {
+        createHandler();
+
         String title = mTitle.getText().toString().trim();
         String unfilteredUrl = 
                 BrowserActivity.fixUrl(mAddress.getText().toString());
@@ -150,33 +200,25 @@
             mAddress.setError(r.getText(R.string.bookmark_url_not_valid));
             return false;
         }
-        try {
-            if (mEditingExisting) {
-                mMap.putString("title", title);
-                mMap.putString("url", url);
-                setResult(RESULT_OK, (new Intent()).setAction(
-                        getIntent().toString()).putExtras(mMap));
-            } else {
-                final ContentResolver cr = getContentResolver();
 
-                // Only use mThumbnail if url and mOriginalUrl are matches.
-                // Otherwise the user edited the url and the thumbnail no longer applies.
-                if (url.equals(mOriginalUrl)) {
-                    Bookmarks.addBookmark(null, cr, url, title, mThumbnail, true);
-                } else {
-                    Bookmarks.addBookmark(null, cr, url, title, null, true);
-                }
-                if (mTouchIconUrl != null) {
-                    final Cursor c =
-                            BrowserBookmarksAdapter.queryBookmarksForUrl(
-                                    cr, null, url, true);
-                    new DownloadTouchIcon(cr, c, url).execute(mTouchIconUrl);
-                }
-                setResult(RESULT_OK);
-            }
-        } catch (IllegalStateException e) {
-            setTitle(r.getText(R.string.no_database));
-            return false;
+        if (mEditingExisting) {
+            mMap.putString("title", title);
+            mMap.putString("url", url);
+            mMap.putBoolean("invalidateThumbnail", !url.equals(mOriginalUrl));
+            setResult(RESULT_OK, (new Intent()).setAction(
+                    getIntent().toString()).putExtras(mMap));
+        } else {
+            // Post a message to write to the DB.
+            Bundle bundle = new Bundle();
+            bundle.putString("title", title);
+            bundle.putString("url", url);
+            bundle.putParcelable("thumbnail", mThumbnail);
+            bundle.putBoolean("invalidateThumbnail", !url.equals(mOriginalUrl));
+            bundle.putString("touchIconUrl", mTouchIconUrl);
+            Message msg = Message.obtain(mHandler, SAVE_BOOKMARK);
+            msg.setData(bundle);
+            mHandler.sendMessage(msg);
+            setResult(RESULT_OK);
         }
         return true;
     }
diff --git a/src/com/android/browser/BrowserBookmarksAdapter.java b/src/com/android/browser/BrowserBookmarksAdapter.java
index 8b0fb41..dd56d2f 100644
--- a/src/com/android/browser/BrowserBookmarksAdapter.java
+++ b/src/com/android/browser/BrowserBookmarksAdapter.java
@@ -170,6 +170,10 @@
                 getString(Browser.HISTORY_PROJECTION_URL_INDEX))) {
             values.put(Browser.BookmarkColumns.URL, url);
         }
+
+        if (map.getBoolean("invalidateThumbnail") == true) {
+            values.put(Browser.BookmarkColumns.THUMBNAIL, new byte[0]);
+        }
         if (values.size() > 0
                 && mContentResolver.update(Browser.BOOKMARKS_URI, values,
                         "_id = " + id, null) != -1) {