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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.LauncherAppWidgetProviderInfo;
     30 import com.android.launcher3.Utilities;
     31 
     32 import java.util.List;
     33 
     34 public abstract class AppWidgetManagerCompat {
     35 
     36     private static final Object sInstanceLock = new Object();
     37     private static AppWidgetManagerCompat sInstance;
     38 
     39 
     40     public static AppWidgetManagerCompat getInstance(Context context) {
     41         synchronized (sInstanceLock) {
     42             if (sInstance == null) {
     43                 if (Utilities.isLmpOrAbove()) {
     44                     sInstance = new AppWidgetManagerCompatVL(context.getApplicationContext());
     45                 } else {
     46                     sInstance = new AppWidgetManagerCompatV16(context.getApplicationContext());
     47                 }
     48             }
     49             return sInstance;
     50         }
     51     }
     52 
     53     final AppWidgetManager mAppWidgetManager;
     54     final Context mContext;
     55 
     56     AppWidgetManagerCompat(Context context) {
     57         mContext = context;
     58         mAppWidgetManager = AppWidgetManager.getInstance(context);
     59     }
     60 
     61     public AppWidgetProviderInfo getAppWidgetInfo(int appWidgetId) {
     62         return mAppWidgetManager.getAppWidgetInfo(appWidgetId);
     63     }
     64 
     65     public abstract List<AppWidgetProviderInfo> getAllProviders();
     66 
     67     public abstract String loadLabel(LauncherAppWidgetProviderInfo info);
     68 
     69     public abstract boolean bindAppWidgetIdIfAllowed(
     70             int appWidgetId, AppWidgetProviderInfo info, Bundle options);
     71 
     72     public abstract UserHandleCompat getUser(LauncherAppWidgetProviderInfo info);
     73 
     74     public abstract void startConfigActivity(AppWidgetProviderInfo info, int widgetId,
     75             Activity activity, AppWidgetHost host, int requestCode);
     76 
     77     public abstract Drawable loadPreview(AppWidgetProviderInfo info);
     78 
     79     public abstract Drawable loadIcon(LauncherAppWidgetProviderInfo info, IconCache cache);
     80 
     81     public abstract Bitmap getBadgeBitmap(LauncherAppWidgetProviderInfo info, Bitmap bitmap,
     82             int imageHeight);
     83 
     84 }
     85