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.widget;
18 
19 import android.content.Context;
20 
21 import androidx.preference.PreferenceScreen;
22 
23 import com.android.settings.core.BasePreferenceController;
24 import com.android.settingslib.core.lifecycle.LifecycleObserver;
25 import com.android.settingslib.core.lifecycle.events.OnPause;
26 import com.android.settingslib.core.lifecycle.events.OnResume;
27 
28 public class VideoPreferenceController extends BasePreferenceController implements
29         LifecycleObserver, OnResume, OnPause {
30 
31     private VideoPreference mVideoPreference;
32     private boolean mVideoPaused;
33 
VideoPreferenceController(Context context, String preferenceKey)34     public VideoPreferenceController(Context context, String preferenceKey) {
35         super(context, preferenceKey);
36     }
37 
38     @Override
getAvailabilityStatus()39     public int getAvailabilityStatus() {
40         return mVideoPreference != null && mVideoPreference.isAnimationAvailable() ?
41                 AVAILABLE_UNSEARCHABLE : UNSUPPORTED_ON_DEVICE;
42     }
43 
44     @Override
displayPreference(PreferenceScreen screen)45     public void displayPreference(PreferenceScreen screen) {
46         mVideoPreference = screen.findPreference(getPreferenceKey());
47         super.displayPreference(screen);
48     }
49 
50     @Override
onPause()51     public void onPause() {
52         if (mVideoPreference != null) {
53             mVideoPaused = mVideoPreference.isVideoPaused();
54             mVideoPreference.onViewInvisible();
55         }
56     }
57 
58     @Override
onResume()59     public void onResume() {
60         if (mVideoPreference != null) {
61             mVideoPreference.onViewVisible(mVideoPaused);
62         }
63     }
64 
65 }
66