1 /*
2  * Copyright (C) 2018 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.settings.applications.specialaccess.pictureinpicture;
18 
19 import android.content.Context;
20 import android.content.pm.PackageInfo;
21 import android.content.pm.PackageManager;
22 import android.os.UserHandle;
23 import android.util.Log;
24 
25 import androidx.annotation.VisibleForTesting;
26 import androidx.preference.Preference;
27 
28 import com.android.settings.SettingsPreferenceFragment;
29 import com.android.settings.applications.appinfo.AppInfoPreferenceControllerBase;
30 
31 public class PictureInPictureDetailPreferenceController extends AppInfoPreferenceControllerBase {
32 
33     private static final String TAG = "PicInPicDetailControl";
34 
35     private final PackageManager mPackageManager;
36 
37     private String mPackageName;
38 
PictureInPictureDetailPreferenceController(Context context, String key)39     public PictureInPictureDetailPreferenceController(Context context, String key) {
40         super(context, key);
41         mPackageManager = context.getPackageManager();
42     }
43 
44     @Override
getAvailabilityStatus()45     public int getAvailabilityStatus() {
46         if (!mContext.getPackageManager().hasSystemFeature(
47                 PackageManager.FEATURE_PICTURE_IN_PICTURE)) {
48             return UNSUPPORTED_ON_DEVICE;
49         }
50         return hasPictureInPictureActivites() ? AVAILABLE : DISABLED_FOR_USER;
51     }
52 
53     @Override
updateState(Preference preference)54     public void updateState(Preference preference) {
55         preference.setSummary(getPreferenceSummary());
56     }
57 
58     @Override
getDetailFragmentClass()59     protected Class<? extends SettingsPreferenceFragment> getDetailFragmentClass() {
60         return PictureInPictureDetails.class;
61     }
62 
63     @VisibleForTesting
hasPictureInPictureActivites()64     boolean hasPictureInPictureActivites() {
65         // Get the package info with the activities
66         PackageInfo packageInfoWithActivities = null;
67         try {
68             packageInfoWithActivities = mPackageManager.getPackageInfoAsUser(mPackageName,
69                     PackageManager.GET_ACTIVITIES, UserHandle.myUserId());
70         } catch (Exception e) {
71             // Catch Exception to avoid DeadObjectException thrown with binder transaction
72             // failures, since the explicit request of DeadObjectException has compiler errors.
73             Log.e(TAG, "Exception while retrieving the package info of " + mPackageName, e);
74         }
75 
76         return packageInfoWithActivities != null
77                 && PictureInPictureSettings.checkPackageHasPictureInPictureActivities(
78                 packageInfoWithActivities.packageName,
79                 packageInfoWithActivities.activities);
80     }
81 
82     @VisibleForTesting
getPreferenceSummary()83     int getPreferenceSummary() {
84         return PictureInPictureDetails.getPreferenceSummary(mContext,
85                 mParent.getPackageInfo().applicationInfo.uid, mPackageName);
86     }
87 
setPackageName(String packageName)88     public void setPackageName(String packageName) {
89         mPackageName = packageName;
90     }
91 }
92