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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.launcher3.compat;
     18 
     19 import android.app.Activity;
     20 import android.appwidget.AppWidgetHost;
     21 import android.appwidget.AppWidgetManager;
     22 import android.appwidget.AppWidgetProviderInfo;
     23 import android.content.Context;
     24 import android.graphics.Bitmap;
     25 import android.graphics.drawable.Drawable;
     26 import android.os.Bundle;
     27 
     28 import com.android.launcher3.IconCache;
     29 import com.android.launcher3.Utilities;
     30 
     31 import java.util.List;
     32 
     33 public abstract class AppWidgetManagerCompat {
     34 
     35     private static final Object sInstanceLock = new Object();
     36     private static AppWidgetManagerCompat sInstance;
     37 
     38 
     39     public static AppWidgetManagerCompat getInstance(Context context) {
     40         synchronized (sInstanceLock) {
     41             if (sInstance == null) {
     42                 if (Utilities.isLmpOrAbove()) {
     43                     sInstance = new AppWidgetManagerCompatVL(context.getApplicationContext());
     44                 } else {
     45                     sInstance = new AppWidgetManagerCompatV16(context.getApplicationContext());
     46                 }
     47             }
     48             return sInstance;
     49         }
     50     }
     51 
     52     final AppWidgetManager mAppWidgetManager;
     53     final Context mContext;
     54 
     55     AppWidgetManagerCompat(Context context) {
     56         mContext = context;
     57         mAppWidgetManager = AppWidgetManager.getInstance(context);
     58     }
     59 
     60     public AppWidgetProviderInfo getAppWidgetInfo(int appWidgetId) {
     61         return mAppWidgetManager.getAppWidgetInfo(appWidgetId);
     62     }
     63 
     64     public abstract List<AppWidgetProviderInfo> getAllProviders();
     65 
     66     public abstract String loadLabel(AppWidgetProviderInfo info);
     67 
     68     public abstract boolean bindAppWidgetIdIfAllowed(
     69             int appWidgetId, AppWidgetProviderInfo info, Bundle options);
     70 
     71     public abstract UserHandleCompat getUser(AppWidgetProviderInfo info);
     72 
     73     public abstract void startConfigActivity(AppWidgetProviderInfo info, int widgetId,
     74             Activity activity, AppWidgetHost host, int requestCode);
     75 
     76     public abstract Drawable loadPreview(AppWidgetProviderInfo info);
     77 
     78     public abstract Drawable loadIcon(AppWidgetProviderInfo info, IconCache cache);
     79 
     80     public abstract Bitmap getBadgeBitmap(AppWidgetProviderInfo info, Bitmap bitmap);
     81 
     82 }
     83