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.PreferenceControllerMixin;
27 import com.android.settings.dashboard.DashboardFragment;
28 import com.android.settings.overlay.FeatureFactory;
29 import com.android.settingslib.core.AbstractPreferenceController;
30 import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
31 import com.android.settingslib.dream.DreamBackend;
32 import com.android.settingslib.widget.LayoutPreference;
33 
34 public class StartNowPreferenceController extends AbstractPreferenceController implements
35         PreferenceControllerMixin {
36 
37     private static final String PREF_KEY = "dream_start_now_button_container";
38     private final DreamBackend mBackend;
39     private final MetricsFeatureProvider mMetricsFeatureProvider;
40 
StartNowPreferenceController(Context context)41     public StartNowPreferenceController(Context context) {
42         super(context);
43 
44         mBackend = DreamBackend.getInstance(context);
45         mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
46     }
47 
48     @Override
isAvailable()49     public boolean isAvailable() {
50         return true;
51     }
52 
53     @Override
getPreferenceKey()54     public String getPreferenceKey() {
55         return PREF_KEY;
56     }
57 
58     @Override
displayPreference(PreferenceScreen screen)59     public void displayPreference(PreferenceScreen screen) {
60         super.displayPreference(screen);
61 
62         LayoutPreference pref = screen.findPreference(getPreferenceKey());
63         Button startButton = pref.findViewById(R.id.dream_start_now_button);
64         startButton.setOnClickListener(v -> {
65             mMetricsFeatureProvider.logClickedPreference(pref,
66                     pref.getExtras().getInt(DashboardFragment.CATEGORY));
67             mBackend.startDreaming();
68         });
69     }
70 
71     @Override
updateState(Preference preference)72     public void updateState(Preference preference) {
73         super.updateState(preference);
74 
75         Button startButton = ((LayoutPreference) preference)
76                 .findViewById(R.id.dream_start_now_button);
77         startButton.setEnabled(mBackend.getWhenToDreamSetting() != DreamBackend.NEVER);
78     }
79 }
80