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
17package com.android.launcher3.compat;
18
19import android.app.Activity;
20import android.appwidget.AppWidgetHost;
21import android.appwidget.AppWidgetManager;
22import android.appwidget.AppWidgetProviderInfo;
23import android.content.Context;
24import android.graphics.Bitmap;
25import android.graphics.drawable.Drawable;
26import android.os.Bundle;
27
28import com.android.launcher3.IconCache;
29import com.android.launcher3.Utilities;
30
31import java.util.List;
32
33public 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