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/*
* Copyright (C) 2014 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.systemui.recents;
import android.appwidget.AppWidgetHost;
import android.appwidget.AppWidgetHostView;
import android.appwidget.AppWidgetProviderInfo;
import android.content.Context;
import com.android.systemui.recents.misc.SystemServicesProxy;
import com.android.systemui.recents.model.RecentsTaskLoader;
/** Our special app widget host for the Search widget */
public class RecentsAppWidgetHost extends AppWidgetHost {
/* Callbacks to notify when an app package changes */
interface RecentsAppWidgetHostCallbacks {
public void refreshSearchWidget();
}
Context mContext;
RecentsAppWidgetHostCallbacks mCb;
RecentsConfiguration mConfig;
boolean mIsListening;
public RecentsAppWidgetHost(Context context, int hostId) {
super(context, hostId);
mContext = context;
mConfig = RecentsConfiguration.getInstance();
}
public void startListening(RecentsAppWidgetHostCallbacks cb) {
mCb = cb;
if (!mIsListening) {
mIsListening = true;
super.startListening();
}
}
@Override
public void stopListening() {
if (mIsListening) {
super.stopListening();
}
// Ensure that we release any references to the callbacks
mCb = null;
mContext = null;
mIsListening = false;
}
@Override
protected AppWidgetHostView onCreateView(Context context, int appWidgetId,
AppWidgetProviderInfo appWidget) {
return new RecentsAppWidgetHostView(context);
}
@Override
protected void onProviderChanged(int appWidgetId, AppWidgetProviderInfo appWidgetInfo) {
if (mCb == null) return;
SystemServicesProxy ssp = RecentsTaskLoader.getInstance().getSystemServicesProxy();
if (appWidgetId > -1 && appWidgetId == mConfig.searchBarAppWidgetId) {
// The search provider may have changed, so just delete the old widget and bind it again
ssp.unbindSearchAppWidget(this, appWidgetId);
// Update the search widget
mConfig.updateSearchBarAppWidgetId(mContext, -1);
mCb.refreshSearchWidget();
}
}
}
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