| /* |
| * 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.widget; |
| |
| import android.app.PendingIntent; |
| import android.appwidget.AppWidgetManager; |
| import android.appwidget.AppWidgetProvider; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.widget.RemoteViews; |
| |
| import com.android.browser.BrowserActivity; |
| import com.android.browser.R; |
| |
| /** |
| * Widget that shows a preview of the user's bookmarks. |
| */ |
| public class BookmarkThumbnailWidgetProvider extends AppWidgetProvider { |
| public static final String ACTION_BOOKMARK_APPWIDGET_UPDATE = |
| "com.android.browser.BOOKMARK_APPWIDGET_UPDATE"; |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| // Handle bookmark-specific updates ourselves because they might be |
| // coming in without extras, which AppWidgetProvider then blocks. |
| final String action = intent.getAction(); |
| if (ACTION_BOOKMARK_APPWIDGET_UPDATE.equals(action)) { |
| AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context); |
| performUpdate(context, appWidgetManager, |
| appWidgetManager.getAppWidgetIds(getComponentName(context))); |
| } else { |
| super.onReceive(context, intent); |
| } |
| } |
| |
| @Override |
| public void onUpdate(Context context, AppWidgetManager mngr, int[] ids) { |
| performUpdate(context, mngr, ids); |
| } |
| |
| @Override |
| public void onDeleted(Context context, int[] appWidgetIds) { |
| super.onDeleted(context, appWidgetIds); |
| for (int widgetId : appWidgetIds) { |
| BookmarkThumbnailWidgetService.deleteWidgetState(context, widgetId); |
| } |
| removeOrphanedFiles(context); |
| } |
| |
| @Override |
| public void onDisabled(Context context) { |
| super.onDisabled(context); |
| removeOrphanedFiles(context); |
| } |
| |
| /** |
| * Checks for any state files that may have not received onDeleted |
| */ |
| void removeOrphanedFiles(Context context) { |
| AppWidgetManager wm = AppWidgetManager.getInstance(context); |
| int[] ids = wm.getAppWidgetIds(getComponentName(context)); |
| BookmarkThumbnailWidgetService.removeOrphanedStates(context, ids); |
| } |
| |
| private void performUpdate(Context context, |
| AppWidgetManager appWidgetManager, int[] appWidgetIds) { |
| PendingIntent launchBrowser = PendingIntent.getActivity(context, 0, |
| new Intent(BrowserActivity.ACTION_SHOW_BROWSER, null, context, |
| BrowserActivity.class), |
| PendingIntent.FLAG_UPDATE_CURRENT); |
| for (int appWidgetId : appWidgetIds) { |
| Intent updateIntent = new Intent(context, BookmarkThumbnailWidgetService.class); |
| updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId); |
| updateIntent.setData(Uri.parse(updateIntent.toUri(Intent.URI_INTENT_SCHEME))); |
| RemoteViews views = new RemoteViews(context.getPackageName(), |
| R.layout.bookmarkthumbnailwidget); |
| views.setOnClickPendingIntent(R.id.app_shortcut, launchBrowser); |
| views.setRemoteAdapter(R.id.bookmarks_list, updateIntent); |
| appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId, R.id.bookmarks_list); |
| Intent ic = new Intent(context, BookmarkWidgetProxy.class); |
| views.setPendingIntentTemplate(R.id.bookmarks_list, |
| PendingIntent.getBroadcast(context, 0, ic, |
| PendingIntent.FLAG_UPDATE_CURRENT)); |
| appWidgetManager.updateAppWidget(appWidgetId, views); |
| } |
| } |
| |
| /** |
| * Build {@link ComponentName} describing this specific |
| * {@link AppWidgetProvider} |
| */ |
| static ComponentName getComponentName(Context context) { |
| return new ComponentName(context, BookmarkThumbnailWidgetProvider.class); |
| } |
| |
| public static void refreshWidgets(Context context) { |
| context.sendBroadcast(new Intent( |
| BookmarkThumbnailWidgetProvider.ACTION_BOOKMARK_APPWIDGET_UPDATE, |
| null, context, BookmarkThumbnailWidgetProvider.class)); |
| } |
| |
| } |