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/*
* 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.swe.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.swe.browser.R;
import com.android.swe.browser.BrowserActivity;
/**
* 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.swe.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));
}
}
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