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/*
* Copyright (C) 2016 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 android.appwidget;
import android.os.Parcel;
import android.os.Parcelable;
import android.widget.RemoteViews;
/**
* @hide
*/
public class PendingHostUpdate implements Parcelable {
static final int TYPE_VIEWS_UPDATE = 0;
static final int TYPE_PROVIDER_CHANGED = 1;
static final int TYPE_VIEW_DATA_CHANGED = 2;
static final int TYPE_APP_WIDGET_REMOVED = 3;
final int appWidgetId;
final int type;
RemoteViews views;
AppWidgetProviderInfo widgetInfo;
int viewId;
public static PendingHostUpdate updateAppWidget(int appWidgetId, RemoteViews views) {
PendingHostUpdate update = new PendingHostUpdate(appWidgetId, TYPE_VIEWS_UPDATE);
update.views = views;
return update;
}
public static PendingHostUpdate providerChanged(int appWidgetId, AppWidgetProviderInfo info) {
PendingHostUpdate update = new PendingHostUpdate(appWidgetId, TYPE_PROVIDER_CHANGED);
update.widgetInfo = info;
return update;
}
public static PendingHostUpdate viewDataChanged(int appWidgetId, int viewId) {
PendingHostUpdate update = new PendingHostUpdate(appWidgetId, TYPE_VIEW_DATA_CHANGED);
update.viewId = viewId;
return update;
}
/**
* IAppWidgetHost appWidgetRemoved implimentaion
*/
public static PendingHostUpdate appWidgetRemoved(int appWidgetId) {
return new PendingHostUpdate(appWidgetId, TYPE_APP_WIDGET_REMOVED);
}
private PendingHostUpdate(int appWidgetId, int type) {
this.appWidgetId = appWidgetId;
this.type = type;
}
private PendingHostUpdate(Parcel in) {
appWidgetId = in.readInt();
type = in.readInt();
switch (type) {
case TYPE_VIEWS_UPDATE:
if (0 != in.readInt()) {
views = new RemoteViews(in);
}
break;
case TYPE_PROVIDER_CHANGED:
if (0 != in.readInt()) {
widgetInfo = new AppWidgetProviderInfo(in);
}
break;
case TYPE_VIEW_DATA_CHANGED:
viewId = in.readInt();
}
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(appWidgetId);
dest.writeInt(type);
switch (type) {
case TYPE_VIEWS_UPDATE:
writeNullParcelable(views, dest, flags);
break;
case TYPE_PROVIDER_CHANGED:
writeNullParcelable(widgetInfo, dest, flags);
break;
case TYPE_VIEW_DATA_CHANGED:
dest.writeInt(viewId);
break;
}
}
private void writeNullParcelable(Parcelable p, Parcel dest, int flags) {
if (p != null) {
dest.writeInt(1);
p.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
}
/**
* Parcelable.Creator that instantiates PendingHostUpdate objects
*/
public static final @android.annotation.NonNull Parcelable.Creator<PendingHostUpdate> CREATOR
= new Parcelable.Creator<PendingHostUpdate>() {
public PendingHostUpdate createFromParcel(Parcel parcel) {
return new PendingHostUpdate(parcel);
}
public PendingHostUpdate[] newArray(int size) {
return new PendingHostUpdate[size];
}
};
}
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