1 /*
2  * Copyright (C) 2017 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.dream;
18 
19 import android.content.Context;
20 import android.widget.Button;
21 
22 import androidx.preference.Preference;
23 import androidx.preference.PreferenceScreen;
24 
25 import com.android.settings.R;
26 import com.android.settings.core.BasePreferenceController;
27 import com.android.settings.dashboard.DashboardFragment;
28 import com.android.settings.overlay.FeatureFactory;
29 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
30 import com.android.settingslib.dream.DreamBackend;
31 import com.android.settingslib.widget.LayoutPreference;
32 
33 /**
34  * Controller that used to enable screen saver
35  */
36 public class StartNowPreferenceController extends BasePreferenceController {
37 
38     private final DreamBackend mBackend;
39     private final MetricsFeatureProvider mMetricsFeatureProvider;
40 
StartNowPreferenceController(Context context, String preferenceKey)41     public StartNowPreferenceController(Context context, String preferenceKey) {
42         super(context, preferenceKey);
43         mBackend = DreamBackend.getInstance(context);
44         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
45     }
46 
47     @Override
getAvailabilityStatus()48     public int getAvailabilityStatus() {
49         return AVAILABLE;
50     }
51 
52     @Override
displayPreference(PreferenceScreen screen)53     public void displayPreference(PreferenceScreen screen) {
54         super.displayPreference(screen);
55 
56         final LayoutPreference pref = screen.findPreference(getPreferenceKey());
57         final Button startButton = pref.findViewById(R.id.dream_start_now_button);
58         startButton.setOnClickListener(v -> {
59             mMetricsFeatureProvider.logClickedPreference(pref,
60                     pref.getExtras().getInt(DashboardFragment.CATEGORY));
61             mBackend.startDreaming();
62         });
63     }
64 
65     @Override
updateState(Preference preference)66     public void updateState(Preference preference) {
67         super.updateState(preference);
68         final Button startButton = ((LayoutPreference) preference)
69                 .findViewById(R.id.dream_start_now_button);
70         startButton.setEnabled(mBackend.getWhenToDreamSetting() != DreamBackend.NEVER);
71     }
72 }
73