michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: package org.mozilla.gecko;
michael@0: 
michael@0: import org.mozilla.gecko.db.BrowserContract;
michael@0: import org.mozilla.gecko.db.BrowserDB;
michael@0: import org.mozilla.gecko.home.HomePanelsManager;
michael@0: import org.mozilla.gecko.mozglue.GeckoLoader;
michael@0: import org.mozilla.gecko.util.Clipboard;
michael@0: import org.mozilla.gecko.util.HardwareUtils;
michael@0: import org.mozilla.gecko.util.ThreadUtils;
michael@0: 
michael@0: import android.app.Application;
michael@0: import android.content.Context;
michael@0: import android.content.SharedPreferences;
michael@0: import android.content.res.Configuration;
michael@0: import android.util.Log;
michael@0: 
michael@0: public class GeckoApplication extends Application 
michael@0:     implements ContextGetter {
michael@0:     private static final String LOG_TAG = "GeckoApplication";
michael@0: 
michael@0:     private static volatile GeckoApplication instance;
michael@0: 
michael@0:     private boolean mInBackground;
michael@0:     private boolean mPausedGecko;
michael@0: 
michael@0:     private LightweightTheme mLightweightTheme;
michael@0: 
michael@0:     public GeckoApplication() {
michael@0:         super();
michael@0:         instance = this;
michael@0:     }
michael@0: 
michael@0:     public static GeckoApplication get() {
michael@0:         return instance;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public Context getContext() {
michael@0:         return this;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public SharedPreferences getSharedPreferences() {
michael@0:         return GeckoSharedPrefs.forApp(this);
michael@0:     }
michael@0: 
michael@0:     /**
michael@0:      * We need to do locale work here, because we need to intercept
michael@0:      * each hit to onConfigurationChanged.
michael@0:      */
michael@0:     @Override
michael@0:     public void onConfigurationChanged(Configuration config) {
michael@0:         Log.d(LOG_TAG, "onConfigurationChanged: " + config.locale +
michael@0:                        ", background: " + mInBackground);
michael@0: 
michael@0:         // Do nothing if we're in the background. It'll simply cause a loop
michael@0:         // (Bug 936756 Comment 11), and it's not necessary.
michael@0:         if (mInBackground) {
michael@0:             super.onConfigurationChanged(config);
michael@0:             return;
michael@0:         }
michael@0: 
michael@0:         // Otherwise, correct the locale. This catches some cases that GeckoApp
michael@0:         // doesn't get a chance to.
michael@0:         try {
michael@0:             BrowserLocaleManager.getInstance().correctLocale(this, getResources(), config);
michael@0:         } catch (IllegalStateException ex) {
michael@0:             // GeckoApp hasn't started, so we have no ContextGetter in BrowserLocaleManager.
michael@0:             Log.w(LOG_TAG, "Couldn't correct locale.", ex);
michael@0:         }
michael@0: 
michael@0:         super.onConfigurationChanged(config);
michael@0:     }
michael@0: 
michael@0:     public void onActivityPause(GeckoActivityStatus activity) {
michael@0:         mInBackground = true;
michael@0: 
michael@0:         if ((activity.isFinishing() == false) &&
michael@0:             (activity.isGeckoActivityOpened() == false)) {
michael@0:             // Notify Gecko that we are pausing; the cache service will be
michael@0:             // shutdown, closing the disk cache cleanly. If the android
michael@0:             // low memory killer subsequently kills us, the disk cache will
michael@0:             // be left in a consistent state, avoiding costly cleanup and
michael@0:             // re-creation. 
michael@0:             GeckoAppShell.sendEventToGecko(GeckoEvent.createAppBackgroundingEvent());
michael@0:             mPausedGecko = true;
michael@0: 
michael@0:             ThreadUtils.postToBackgroundThread(new Runnable() {
michael@0:                 @Override
michael@0:                 public void run() {
michael@0:                     BrowserDB.expireHistory(getContentResolver(),
michael@0:                                             BrowserContract.ExpirePriority.NORMAL);
michael@0:                 }
michael@0:             });
michael@0:         }
michael@0:         GeckoConnectivityReceiver.getInstance().stop();
michael@0:         GeckoNetworkManager.getInstance().stop();
michael@0:     }
michael@0: 
michael@0:     public void onActivityResume(GeckoActivityStatus activity) {
michael@0:         if (mPausedGecko) {
michael@0:             GeckoAppShell.sendEventToGecko(GeckoEvent.createAppForegroundingEvent());
michael@0:             mPausedGecko = false;
michael@0:         }
michael@0: 
michael@0:         final Context applicationContext = getApplicationContext();
michael@0:         GeckoBatteryManager.getInstance().start(applicationContext);
michael@0:         GeckoConnectivityReceiver.getInstance().start(applicationContext);
michael@0:         GeckoNetworkManager.getInstance().start(applicationContext);
michael@0: 
michael@0:         mInBackground = false;
michael@0:     }
michael@0: 
michael@0:     @Override
michael@0:     public void onCreate() {
michael@0:         HardwareUtils.init(getApplicationContext());
michael@0:         Clipboard.init(getApplicationContext());
michael@0:         FilePicker.init(getApplicationContext());
michael@0:         GeckoLoader.loadMozGlue();
michael@0:         HomePanelsManager.getInstance().init(getApplicationContext());
michael@0:         super.onCreate();
michael@0:     }
michael@0: 
michael@0:     public boolean isApplicationInBackground() {
michael@0:         return mInBackground;
michael@0:     }
michael@0: 
michael@0:     public LightweightTheme getLightweightTheme() {
michael@0:         return mLightweightTheme;
michael@0:     }
michael@0: 
michael@0:     public void prepareLightweightTheme() {
michael@0:         mLightweightTheme = new LightweightTheme(this);
michael@0:     }
michael@0: }