gecko/mobile/android/base/GeckoApplication.java

140 lines
4.6 KiB
Java

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