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.annotation.TargetApi;
20import android.app.Activity;
21import android.appwidget.AppWidgetHost;
22import android.appwidget.AppWidgetProviderInfo;
23import android.content.ActivityNotFoundException;
24import android.content.Context;
25import android.content.pm.PackageManager;
26import android.content.res.Resources;
27import android.graphics.Bitmap;
28import android.graphics.Canvas;
29import android.graphics.Color;
30import android.graphics.Rect;
31import android.graphics.drawable.BitmapDrawable;
32import android.graphics.drawable.Drawable;
33import android.os.Build;
34import android.os.Bundle;
35import android.os.UserHandle;
36import android.os.UserManager;
37import android.view.View;
38import android.widget.Toast;
39
40import com.android.launcher3.IconCache;
41import com.android.launcher3.R;
42
43import java.util.ArrayList;
44import java.util.List;
45
46@TargetApi(Build.VERSION_CODES.L)
47class AppWidgetManagerCompatVL extends AppWidgetManagerCompat {
48
49    private final UserManager mUserManager;
50    private final PackageManager mPm;
51
52    AppWidgetManagerCompatVL(Context context) {
53        super(context);
54        mPm = context.getPackageManager();
55        mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
56    }
57
58    @Override
59    public List<AppWidgetProviderInfo> getAllProviders() {
60        ArrayList<AppWidgetProviderInfo> providers = new ArrayList<AppWidgetProviderInfo>();
61        for (UserHandle user : mUserManager.getUserProfiles()) {
62            providers.addAll(mAppWidgetManager.getInstalledProvidersForProfile(user));
63        }
64        return providers;
65    }
66
67    @Override
68    public String loadLabel(AppWidgetProviderInfo info) {
69        return info.loadLabel(mPm);
70    }
71
72    @Override
73    public boolean bindAppWidgetIdIfAllowed(int appWidgetId, AppWidgetProviderInfo info,
74            Bundle options) {
75        return mAppWidgetManager.bindAppWidgetIdIfAllowed(
76                appWidgetId, info.getProfile(), info.provider, options);
77    }
78
79    @Override
80    public UserHandleCompat getUser(AppWidgetProviderInfo info) {
81        return UserHandleCompat.fromUser(info.getProfile());
82    }
83
84    @Override
85    public void startConfigActivity(AppWidgetProviderInfo info, int widgetId, Activity activity,
86            AppWidgetHost host, int requestCode) {
87        try {
88            host.startAppWidgetConfigureActivityForResult(activity, widgetId, 0, requestCode, null);
89        } catch (ActivityNotFoundException e) {
90            Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
91        } catch (SecurityException e) {
92            Toast.makeText(activity, R.string.activity_not_found, Toast.LENGTH_SHORT).show();
93        }
94    }
95
96    @Override
97    public Drawable loadPreview(AppWidgetProviderInfo info) {
98        return info.loadPreviewImage(mContext, 0);
99    }
100
101    @Override
102    public Drawable loadIcon(AppWidgetProviderInfo info, IconCache cache) {
103        return info.loadIcon(mContext, cache.getFullResIconDpi());
104    }
105
106    @Override
107    public Bitmap getBadgeBitmap(AppWidgetProviderInfo info, Bitmap bitmap) {
108        if (info.getProfile().equals(android.os.Process.myUserHandle())) {
109            return bitmap;
110        }
111
112        // Add a user badge in the bottom right of the image.
113        final Resources res = mContext.getResources();
114        final int badgeSize = res.getDimensionPixelSize(R.dimen.profile_badge_size);
115        final int badgeMargin = res.getDimensionPixelSize(R.dimen.profile_badge_margin);
116        final Rect badgeLocation = new Rect(0, 0, badgeSize, badgeSize);
117
118        final int top = bitmap.getHeight() - badgeSize - badgeMargin;
119        if (res.getConfiguration().getLayoutDirection() == View.LAYOUT_DIRECTION_RTL) {
120            badgeLocation.offset(badgeMargin, top);
121        } else {
122            badgeLocation.offset(bitmap.getWidth() - badgeSize - badgeMargin, top);
123        }
124
125        Drawable drawable = mPm.getUserBadgedDrawableForDensity(
126                new BitmapDrawable(res, bitmap), info.getProfile(), badgeLocation, 0);
127
128        if (drawable instanceof BitmapDrawable) {
129            return ((BitmapDrawable) drawable).getBitmap();
130        }
131
132        bitmap.eraseColor(Color.TRANSPARENT);
133        Canvas c = new Canvas(bitmap);
134        drawable.setBounds(0, 0, bitmap.getWidth(), bitmap.getHeight());
135        drawable.draw(c);
136        c.setBitmap(null);
137        return bitmap;
138    }
139}
140