src/com/android/browser/UrlHandler.java - android_packages_apps_Gello - Gitiles

 /*
  * Copyright (C) 2010 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 android.app.Activity;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
 import android.net.Uri;
 import android.util.Log;
 import android.widget.Toast;

 import com.android.browser.R;
 import com.android.browser.platformsupport.Browser;

 import java.net.URISyntaxException;
 import java.util.List;
 import java.util.regex.Matcher;

 import org.codeaurora.swe.WebView;
 import org.codeaurora.swe.util.SWEUrlUtils;

 public class UrlHandler {

     private final static String TAG = "UrlHandler";

     // 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 */ final static String SCHEME_MAILTO = "mailto:";
     public static final String EXTRA_BROWSER_FALLBACK_URL = "browser_fallback_url";
     Controller mController;
     Activity mActivity;

     public UrlHandler(Controller controller) {
         mController = controller;
         mActivity = mController.getActivity();
     }

     boolean shouldOverrideUrlLoading(Tab tab, WebView view, String url) {
         if (view.isPrivateBrowsingEnabled()) {
             // Don't allow urls to leave the browser app when in
             // private browsing mode
             return false;
         }

         if (url.startsWith(WebView.SCHEME_TEL)) {
             Intent intent = new Intent(Intent.ACTION_VIEW,
                     Uri.parse(WebView.SCHEME_TEL +
                     Uri.encode(url.substring(WebView.SCHEME_TEL.length()))));
             mActivity.startActivity(intent);
             return true;
         }
         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 +
                         Uri.encode(url.substring(SCHEME_WTAI_MC.length()))));
                 mActivity.startActivity(intent);
                 // before leaving BrowserActivity, close the empty child tab.
                 // If a new tab is created through JavaScript open to load this
                 // url, we would like to close it as we will load this url in a
                 // different Activity.
                 mController.closeEmptyTab();
                 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;
             }
         }

         // The "about:" schemes are internal to the browser; don't want these to
         // be dispatched to other apps.
         if (url.startsWith("about:")) {
             return false;
         }

         if (url.startsWith("ae://") && url.endsWith("add-fav")) {
             mController.startAddMyNavigation(url);
             return true;
         }

         // add for carrier feature - recognize additional website format
         // here add to support "mailto:" scheme
         if (url.startsWith(SCHEME_MAILTO) && handleMailtoTypeUrl(url)) {
             return true;
         }

         // add for carrier feature - wap2estore
         boolean wap2estore = BrowserConfig.getInstance(mController.getContext())
                 .hasFeature(BrowserConfig.Feature.WAP2ESTORE);
         if (wap2estore && isEstoreTypeUrl(url) && handleEstoreTypeUrl(url)) {
             return true;
         }

         if (startActivityForUrl(tab, url)) {
             return true;
         }

         if (handleMenuClick(tab, url)) {
             return true;
         }

         return false;
     }

     private boolean handleMailtoTypeUrl(String url) {
         Intent intent;
         // perform generic parsing of the URI to turn it into an Intent.
         try {
             intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
             mActivity.startActivity(intent);
         } catch (URISyntaxException ex) {
             Log.w(TAG, "Bad URI " + url + ": " + ex.getMessage());
             return false;
         } catch (ActivityNotFoundException ex) {
             Log.w(TAG, "No Activity Found for " + url);
         }

         return true;
     }

     private boolean isEstoreTypeUrl(String url) {
         if (url != null && url.startsWith("estore:")) {
             return true;
         }
         return false;
     }

     private boolean handleEstoreTypeUrl(String url) {
         if (url.getBytes().length > 256) {
             Toast.makeText(mActivity, R.string.estore_url_warning, Toast.LENGTH_LONG).show();
             return false;
         }

         Intent intent;
         // perform generic parsing of the URI to turn it into an Intent.
         try {
             intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
             mActivity.startActivity(intent);
         } catch (URISyntaxException ex) {
             Log.w(TAG, "Bad URI " + url + ": " + ex.getMessage());
             return false;
         } catch (ActivityNotFoundException ex) {
             String downloadUrl = mActivity.getResources().getString(R.string.estore_homepage);
             mController.loadUrl(mController.getCurrentTab(), downloadUrl);
             Toast.makeText(mActivity, R.string.download_estore_app, Toast.LENGTH_LONG).show();
         }

         return true;
     }


     boolean startActivityForUrl(Tab tab, String url) {
       Intent intent;
       // perform generic parsing of the URI to turn it into an Intent.
       try {
           intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
       } catch (URISyntaxException ex) {
           Log.w(TAG, "Bad URI " + url + ": " + ex.getMessage());
           return false;
       }

       // handle fallback url for deep linking apps
       String browserFallbackUrl = intent.getStringExtra(EXTRA_BROWSER_FALLBACK_URL);
       if (browserFallbackUrl != null
               && SWEUrlUtils.isValidForIntentFallbackNavigation(browserFallbackUrl)) {
           mController.loadUrl(mController.getCurrentTab(), browserFallbackUrl);
           mController.closeEmptyTab();
           return true;
       }

       // check whether the intent can be resolved. If not, we will see
       // whether we can download it from the Market.
       if (mActivity.getPackageManager().resolveActivity(intent, 0) == null) {
           String packagename = intent.getPackage();
           if (packagename != null) {
               try {
                 intent = new Intent(Intent.ACTION_VIEW, Uri
                         .parse("market://details?id=" + packagename));
                 intent.addCategory(Intent.CATEGORY_BROWSABLE);
                 intent.setPackage("com.android.vending");
                 mActivity.startActivity(intent);
                 intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                 // before leaving BrowserActivity, close the empty child tab.
                 // If a new tab is created through JavaScript open to load this
                 // url, we would like to close it as we will load this url in a
                 // different Activity.
                 mController.closeEmptyTab();
                 return true;
               } catch (ActivityNotFoundException e) {
                 Log.w(TAG, "Play store not found while searching for : " + packagename);
                 CharSequence alert = mActivity.getResources().getString(
                     R.string.msg_no_google_play);
                 Toast t = Toast.makeText(mActivity , alert, Toast.LENGTH_SHORT);
                 t.show();
                 return false;
               }
           } else {
               return false;
           }
       }

       // sanitize the Intent, ensuring web pages can not bypass browser
       // security (only access to BROWSABLE activities).
       intent.addCategory(Intent.CATEGORY_BROWSABLE);
       intent.setComponent(null);
       // Re-use the existing tab if the intent comes back to us
       if (tab != null) {
           if (tab.getAppId() == null) {
               tab.setAppId(mActivity.getPackageName() + "-" + tab.getId());
           }
           intent.putExtra(Browser.EXTRA_APPLICATION_ID, tab.getAppId());
       }

       intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

       // Make sure webkit can handle it internally before checking for specialized
       // handlers. If webkit can't handle it internally, we need to call
       // startActivityIfNeeded
       Matcher m = UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url);
       if (m.matches() && !isSpecializedHandlerAvailable(intent)) {
           return false;
       }
       try {
           intent.putExtra(BrowserActivity.EXTRA_DISABLE_URL_OVERRIDE, true);
           if (mActivity.startActivityIfNeeded(intent, -1)) {
               // before leaving BrowserActivity, close the empty child tab.
               // If a new tab is created through JavaScript open to load this
               // url, we would like to close it as we will load this url in a
               // different Activity.
               mController.closeEmptyTab();
               return true;
           }
       } catch (ActivityNotFoundException ex) {
           // ignore the error. If no application can handle the URL,
           // eg about:blank, assume the browser can handle it.
       }

       return false;
     }

     /**
      * Search for intent handlers that are specific to this URL
      * aka, specialized apps like google maps or youtube
      */
     private boolean isSpecializedHandlerAvailable(Intent intent) {
         PackageManager pm = mActivity.getPackageManager();
           List<ResolveInfo> handlers = pm.queryIntentActivities(intent,
                   PackageManager.GET_RESOLVED_FILTER);
           if (handlers == null || handlers.size() == 0) {
               return false;
           }
           for (ResolveInfo resolveInfo : handlers) {
               IntentFilter filter = resolveInfo.filter;
               if (filter == null) {
                   // No intent filter matches this intent?
                   // Error on the side of staying in the browser, ignore
                   continue;
               }
               if (filter.countDataAuthorities() == 0 && filter.countDataPaths() == 0) {
                   // Generic handler, skip
                   continue;
               }
               return true;
           }
           return false;
     }

     // In case a physical keyboard is attached, handle clicks with the menu key
     // depressed by opening in a new tab
     boolean handleMenuClick(Tab tab, String url) {
         if (mController.isMenuDown()) {
             mController.openTab(url,
                     (tab != null) && tab.isPrivateBrowsingEnabled(),
                     !BrowserSettings.getInstance().openInBackground(), true);
             mActivity.closeOptionsMenu();
             return true;
         }

         return false;
     }

 }
	/*
	* Copyright (C) 2010 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 android.app.Activity;
	import android.content.ActivityNotFoundException;
	import android.content.Intent;
	import android.content.IntentFilter;
	import android.content.pm.PackageManager;
	import android.content.pm.ResolveInfo;
	import android.net.Uri;
	import android.util.Log;
	import android.widget.Toast;

	import com.android.browser.R;
	import com.android.browser.platformsupport.Browser;

	import java.net.URISyntaxException;
	import java.util.List;
	import java.util.regex.Matcher;

	import org.codeaurora.swe.WebView;
	import org.codeaurora.swe.util.SWEUrlUtils;

	public class UrlHandler {

	private final static String TAG = "UrlHandler";

	// 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 */ final static String SCHEME_MAILTO = "mailto:";
	public static final String EXTRA_BROWSER_FALLBACK_URL = "browser_fallback_url";
	Controller mController;
	Activity mActivity;

	public UrlHandler(Controller controller) {
	mController = controller;
	mActivity = mController.getActivity();
	}

	boolean shouldOverrideUrlLoading(Tab tab, WebView view, String url) {
	if (view.isPrivateBrowsingEnabled()) {
	// Don't allow urls to leave the browser app when in
	// private browsing mode
	return false;
	}

	if (url.startsWith(WebView.SCHEME_TEL)) {
	Intent intent = new Intent(Intent.ACTION_VIEW,
	Uri.parse(WebView.SCHEME_TEL +
	Uri.encode(url.substring(WebView.SCHEME_TEL.length()))));
	mActivity.startActivity(intent);
	return true;
	}
	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 +
	Uri.encode(url.substring(SCHEME_WTAI_MC.length()))));
	mActivity.startActivity(intent);
	// before leaving BrowserActivity, close the empty child tab.
	// If a new tab is created through JavaScript open to load this
	// url, we would like to close it as we will load this url in a
	// different Activity.
	mController.closeEmptyTab();
	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;
	}
	}

	// The "about:" schemes are internal to the browser; don't want these to
	// be dispatched to other apps.
	if (url.startsWith("about:")) {
	return false;
	}

	if (url.startsWith("ae://") && url.endsWith("add-fav")) {
	mController.startAddMyNavigation(url);
	return true;
	}

	// add for carrier feature - recognize additional website format
	// here add to support "mailto:" scheme
	if (url.startsWith(SCHEME_MAILTO) && handleMailtoTypeUrl(url)) {
	return true;
	}

	// add for carrier feature - wap2estore
	boolean wap2estore = BrowserConfig.getInstance(mController.getContext())
	.hasFeature(BrowserConfig.Feature.WAP2ESTORE);
	if (wap2estore && isEstoreTypeUrl(url) && handleEstoreTypeUrl(url)) {
	return true;
	}

	if (startActivityForUrl(tab, url)) {
	return true;
	}

	if (handleMenuClick(tab, url)) {
	return true;
	}

	return false;
	}

	private boolean handleMailtoTypeUrl(String url) {
	Intent intent;
	// perform generic parsing of the URI to turn it into an Intent.
	try {
	intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
	mActivity.startActivity(intent);
	} catch (URISyntaxException ex) {
	Log.w(TAG, "Bad URI " + url + ": " + ex.getMessage());
	return false;
	} catch (ActivityNotFoundException ex) {
	Log.w(TAG, "No Activity Found for " + url);
	}

	return true;
	}

	private boolean isEstoreTypeUrl(String url) {
	if (url != null && url.startsWith("estore:")) {
	return true;
	}
	return false;
	}

	private boolean handleEstoreTypeUrl(String url) {
	if (url.getBytes().length > 256) {
	Toast.makeText(mActivity, R.string.estore_url_warning, Toast.LENGTH_LONG).show();
	return false;
	}

	Intent intent;
	// perform generic parsing of the URI to turn it into an Intent.
	try {
	intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
	mActivity.startActivity(intent);
	} catch (URISyntaxException ex) {
	Log.w(TAG, "Bad URI " + url + ": " + ex.getMessage());
	return false;
	} catch (ActivityNotFoundException ex) {
	String downloadUrl = mActivity.getResources().getString(R.string.estore_homepage);
	mController.loadUrl(mController.getCurrentTab(), downloadUrl);
	Toast.makeText(mActivity, R.string.download_estore_app, Toast.LENGTH_LONG).show();
	}

	return true;
	}


	boolean startActivityForUrl(Tab tab, String url) {
	Intent intent;
	// perform generic parsing of the URI to turn it into an Intent.
	try {
	intent = Intent.parseUri(url, Intent.URI_INTENT_SCHEME);
	} catch (URISyntaxException ex) {
	Log.w(TAG, "Bad URI " + url + ": " + ex.getMessage());
	return false;
	}

	// handle fallback url for deep linking apps
	String browserFallbackUrl = intent.getStringExtra(EXTRA_BROWSER_FALLBACK_URL);
	if (browserFallbackUrl != null
	&& SWEUrlUtils.isValidForIntentFallbackNavigation(browserFallbackUrl)) {
	mController.loadUrl(mController.getCurrentTab(), browserFallbackUrl);
	mController.closeEmptyTab();
	return true;
	}

	// check whether the intent can be resolved. If not, we will see
	// whether we can download it from the Market.
	if (mActivity.getPackageManager().resolveActivity(intent, 0) == null) {
	String packagename = intent.getPackage();
	if (packagename != null) {
	try {
	intent = new Intent(Intent.ACTION_VIEW, Uri
	.parse("market://details?id=" + packagename));
	intent.addCategory(Intent.CATEGORY_BROWSABLE);
	intent.setPackage("com.android.vending");
	mActivity.startActivity(intent);
	intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
	// before leaving BrowserActivity, close the empty child tab.
	// If a new tab is created through JavaScript open to load this
	// url, we would like to close it as we will load this url in a
	// different Activity.
	mController.closeEmptyTab();
	return true;
	} catch (ActivityNotFoundException e) {
	Log.w(TAG, "Play store not found while searching for : " + packagename);
	CharSequence alert = mActivity.getResources().getString(
	R.string.msg_no_google_play);
	Toast t = Toast.makeText(mActivity , alert, Toast.LENGTH_SHORT);
	t.show();
	return false;
	}
	} else {
	return false;
	}
	}

	// sanitize the Intent, ensuring web pages can not bypass browser
	// security (only access to BROWSABLE activities).
	intent.addCategory(Intent.CATEGORY_BROWSABLE);
	intent.setComponent(null);
	// Re-use the existing tab if the intent comes back to us
	if (tab != null) {
	if (tab.getAppId() == null) {
	tab.setAppId(mActivity.getPackageName() + "-" + tab.getId());
	}
	intent.putExtra(Browser.EXTRA_APPLICATION_ID, tab.getAppId());
	}

	intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

	// Make sure webkit can handle it internally before checking for specialized
	// handlers. If webkit can't handle it internally, we need to call
	// startActivityIfNeeded
	Matcher m = UrlUtils.ACCEPTED_URI_SCHEMA.matcher(url);
	if (m.matches() && !isSpecializedHandlerAvailable(intent)) {
	return false;
	}
	try {
	intent.putExtra(BrowserActivity.EXTRA_DISABLE_URL_OVERRIDE, true);
	if (mActivity.startActivityIfNeeded(intent, -1)) {
	// before leaving BrowserActivity, close the empty child tab.
	// If a new tab is created through JavaScript open to load this
	// url, we would like to close it as we will load this url in a
	// different Activity.
	mController.closeEmptyTab();
	return true;
	}
	} catch (ActivityNotFoundException ex) {
	// ignore the error. If no application can handle the URL,
	// eg about:blank, assume the browser can handle it.
	}

	return false;
	}

	/**
	* Search for intent handlers that are specific to this URL
	* aka, specialized apps like google maps or youtube
	*/
	private boolean isSpecializedHandlerAvailable(Intent intent) {
	PackageManager pm = mActivity.getPackageManager();
	List<ResolveInfo> handlers = pm.queryIntentActivities(intent,
	PackageManager.GET_RESOLVED_FILTER);
	if (handlers == null \|\| handlers.size() == 0) {
	return false;
	}
	for (ResolveInfo resolveInfo : handlers) {
	IntentFilter filter = resolveInfo.filter;
	if (filter == null) {
	// No intent filter matches this intent?
	// Error on the side of staying in the browser, ignore
	continue;
	}
	if (filter.countDataAuthorities() == 0 && filter.countDataPaths() == 0) {
	// Generic handler, skip
	continue;
	}
	return true;
	}
	return false;
	}

	// In case a physical keyboard is attached, handle clicks with the menu key
	// depressed by opening in a new tab
	boolean handleMenuClick(Tab tab, String url) {
	if (mController.isMenuDown()) {
	mController.openTab(url,
	(tab != null) && tab.isPrivateBrowsingEnabled(),
	!BrowserSettings.getInstance().openInBackground(), true);
	mActivity.closeOptionsMenu();
	return true;
	}

	return false;
	}

	}