134 lines
4.0 KiB
Java
134 lines
4.0 KiB
Java
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package android.appwidget;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.widget.RemoteViews;
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/**
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* @hide
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*/
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public class PendingHostUpdate implements Parcelable {
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static final int TYPE_VIEWS_UPDATE = 0;
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static final int TYPE_PROVIDER_CHANGED = 1;
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static final int TYPE_VIEW_DATA_CHANGED = 2;
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static final int TYPE_APP_WIDGET_REMOVED = 3;
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final int appWidgetId;
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final int type;
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RemoteViews views;
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AppWidgetProviderInfo widgetInfo;
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int viewId;
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public static PendingHostUpdate updateAppWidget(int appWidgetId, RemoteViews views) {
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PendingHostUpdate update = new PendingHostUpdate(appWidgetId, TYPE_VIEWS_UPDATE);
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update.views = views;
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return update;
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}
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public static PendingHostUpdate providerChanged(int appWidgetId, AppWidgetProviderInfo info) {
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PendingHostUpdate update = new PendingHostUpdate(appWidgetId, TYPE_PROVIDER_CHANGED);
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update.widgetInfo = info;
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return update;
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}
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public static PendingHostUpdate viewDataChanged(int appWidgetId, int viewId) {
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PendingHostUpdate update = new PendingHostUpdate(appWidgetId, TYPE_VIEW_DATA_CHANGED);
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update.viewId = viewId;
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return update;
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}
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/**
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* IAppWidgetHost appWidgetRemoved implimentaion
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*/
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public static PendingHostUpdate appWidgetRemoved(int appWidgetId) {
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return new PendingHostUpdate(appWidgetId, TYPE_APP_WIDGET_REMOVED);
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}
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private PendingHostUpdate(int appWidgetId, int type) {
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this.appWidgetId = appWidgetId;
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this.type = type;
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}
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private PendingHostUpdate(Parcel in) {
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appWidgetId = in.readInt();
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type = in.readInt();
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switch (type) {
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case TYPE_VIEWS_UPDATE:
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if (0 != in.readInt()) {
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views = new RemoteViews(in);
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}
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break;
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case TYPE_PROVIDER_CHANGED:
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if (0 != in.readInt()) {
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widgetInfo = new AppWidgetProviderInfo(in);
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}
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break;
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case TYPE_VIEW_DATA_CHANGED:
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viewId = in.readInt();
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}
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}
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeInt(appWidgetId);
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dest.writeInt(type);
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switch (type) {
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case TYPE_VIEWS_UPDATE:
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writeNullParcelable(views, dest, flags);
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break;
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case TYPE_PROVIDER_CHANGED:
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writeNullParcelable(widgetInfo, dest, flags);
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break;
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case TYPE_VIEW_DATA_CHANGED:
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dest.writeInt(viewId);
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break;
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}
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}
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private void writeNullParcelable(Parcelable p, Parcel dest, int flags) {
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if (p != null) {
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dest.writeInt(1);
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p.writeToParcel(dest, flags);
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} else {
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dest.writeInt(0);
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}
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}
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/**
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* Parcelable.Creator that instantiates PendingHostUpdate objects
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*/
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public static final @android.annotation.NonNull Parcelable.Creator<PendingHostUpdate> CREATOR
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= new Parcelable.Creator<PendingHostUpdate>() {
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public PendingHostUpdate createFromParcel(Parcel parcel) {
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return new PendingHostUpdate(parcel);
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}
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public PendingHostUpdate[] newArray(int size) {
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return new PendingHostUpdate[size];
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}
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};
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}
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