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package com.android.launcher3;
import android.appwidget.AppWidgetHost;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProviderInfo;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.os.Handler;
import android.support.annotation.WorkerThread;
import android.util.Log;
import com.android.launcher3.LauncherSettings.Favorites;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.model.LoaderTask;
import com.android.launcher3.provider.RestoreDbTask;
import com.android.launcher3.util.ContentWriter;
public class AppWidgetsRestoredReceiver extends BroadcastReceiver {
private static final String TAG = "AWRestoredReceiver";
@Override
public void onReceive(final Context context, Intent intent) {
if (AppWidgetManager.ACTION_APPWIDGET_HOST_RESTORED.equals(intent.getAction())) {
int hostId = intent.getIntExtra(AppWidgetManager.EXTRA_HOST_ID, 0);
Log.d(TAG, "Widget ID map received for host:" + hostId);
if (hostId != LauncherAppWidgetHost.APPWIDGET_HOST_ID) {
return;
}
final int[] oldIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_OLD_IDS);
final int[] newIds = intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS);
if (oldIds.length == newIds.length) {
final PendingResult asyncResult = goAsync();
new Handler(LauncherModel.getWorkerLooper())
.postAtFrontOfQueue(new Runnable() {
@Override
public void run() {
restoreAppWidgetIds(context, oldIds, newIds);
asyncResult.finish();
}
});
} else {
Log.e(TAG, "Invalid host restored received");
}
}
}
/**
* Updates the app widgets whose id has changed during the restore process.
*/
@WorkerThread
static void restoreAppWidgetIds(Context context, int[] oldWidgetIds, int[] newWidgetIds) {
AppWidgetHost appWidgetHost = new LauncherAppWidgetHost(context);
if (FeatureFlags.GO_DISABLE_WIDGETS) {
Log.e(TAG, "Skipping widget ID remap as widgets not supported");
appWidgetHost.deleteHost();
return;
}
if (!RestoreDbTask.isPending(context)) {
// Someone has already gone through our DB once, probably LoaderTask. Skip any further
// modifications of the DB.
Log.e(TAG, "Skipping widget ID remap as DB already in use");
for (int widgetId : newWidgetIds) {
Log.d(TAG, "Deleting widgetId: " + widgetId);
appWidgetHost.deleteAppWidgetId(widgetId);
}
return;
}
final ContentResolver cr = context.getContentResolver();
final AppWidgetManager widgets = AppWidgetManager.getInstance(context);
for (int i = 0; i < oldWidgetIds.length; i++) {
Log.i(TAG, "Widget state restore id " + oldWidgetIds[i] + " => " + newWidgetIds[i]);
final AppWidgetProviderInfo provider = widgets.getAppWidgetInfo(newWidgetIds[i]);
final int state;
if (LoaderTask.isValidProvider(provider)) {
// This will ensure that we show 'Click to setup' UI if required.
state = LauncherAppWidgetInfo.FLAG_UI_NOT_READY;
} else {
state = LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY;
}
String[] widgetIdParams = new String[] { Integer.toString(oldWidgetIds[i]) };
int result = new ContentWriter(context, new ContentWriter.CommitParams(
"appWidgetId=? and (restored & 1) = 1", widgetIdParams))
.put(LauncherSettings.Favorites.APPWIDGET_ID, newWidgetIds[i])
.put(LauncherSettings.Favorites.RESTORED, state)
.commit();
if (result == 0) {
Cursor cursor = cr.query(Favorites.CONTENT_URI,
new String[] {Favorites.APPWIDGET_ID},
"appWidgetId=?", widgetIdParams, null);
try {
if (!cursor.moveToFirst()) {
// The widget no long exists.
appWidgetHost.deleteAppWidgetId(newWidgetIds[i]);
}
} finally {
cursor.close();
}
}
}
LauncherAppState app = LauncherAppState.getInstanceNoCreate();
if (app != null) {
app.getModel().forceReload();
}
}
}
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