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.gestures;
18 
19 import android.content.ContentResolver;
20 import android.content.Context;
21 import android.database.ContentObserver;
22 import android.net.Uri;
23 import android.os.Handler;
24 import android.provider.Settings;
25 
26 import androidx.preference.Preference;
27 import androidx.preference.PreferenceCategory;
28 import androidx.preference.PreferenceScreen;
29 
30 import com.android.internal.annotations.VisibleForTesting;
31 import com.android.settings.R;
32 import com.android.settings.core.PreferenceControllerMixin;
33 import com.android.settingslib.core.AbstractPreferenceController;
34 import com.android.settingslib.core.lifecycle.Lifecycle;
35 import com.android.settingslib.core.lifecycle.LifecycleObserver;
36 import com.android.settingslib.core.lifecycle.events.OnPause;
37 import com.android.settingslib.core.lifecycle.events.OnResume;
38 import com.android.settingslib.widget.SelectorWithWidgetPreference;
39 
40 public class PreventRingingGesturePreferenceController extends AbstractPreferenceController
41         implements SelectorWithWidgetPreference.OnClickListener, LifecycleObserver,
42         OnResume, OnPause, PreferenceControllerMixin {
43 
44     @VisibleForTesting
45     static final String KEY_VIBRATE = "prevent_ringing_option_vibrate";
46 
47     @VisibleForTesting
48     static final String KEY_MUTE = "prevent_ringing_option_mute";
49 
50     private final String PREF_KEY_VIDEO = "gesture_prevent_ringing_video";
51     private final String KEY = "gesture_prevent_ringing_category";
52     private final Context mContext;
53 
54     @VisibleForTesting
55     PreferenceCategory mPreferenceCategory;
56     @VisibleForTesting
57     SelectorWithWidgetPreference mVibratePref;
58     @VisibleForTesting
59     SelectorWithWidgetPreference mMutePref;
60 
61     private SettingObserver mSettingObserver;
62 
PreventRingingGesturePreferenceController(Context context, Lifecycle lifecycle)63     public PreventRingingGesturePreferenceController(Context context, Lifecycle lifecycle) {
64         super(context);
65         mContext = context;
66 
67         if (lifecycle != null) {
68             lifecycle.addObserver(this);
69         }
70     }
71 
72     @Override
displayPreference(PreferenceScreen screen)73     public void displayPreference(PreferenceScreen screen) {
74         super.displayPreference(screen);
75         if (!isAvailable()) {
76             return;
77         }
78         mPreferenceCategory = screen.findPreference(getPreferenceKey());
79         mVibratePref = makeRadioPreference(KEY_VIBRATE, R.string.prevent_ringing_option_vibrate);
80         mMutePref = makeRadioPreference(KEY_MUTE, R.string.prevent_ringing_option_mute);
81 
82         if (mPreferenceCategory != null) {
83             mSettingObserver = new SettingObserver(mPreferenceCategory);
84         }
85     }
86 
87     @Override
isAvailable()88     public boolean isAvailable() {
89         return mContext.getResources().getBoolean(
90                 com.android.internal.R.bool.config_volumeHushGestureEnabled);
91     }
92 
93     @Override
getPreferenceKey()94     public String getPreferenceKey() {
95         return KEY;
96     }
97 
getVideoPrefKey()98     public String getVideoPrefKey() {
99         return PREF_KEY_VIDEO;
100     }
101 
102     @Override
onRadioButtonClicked(SelectorWithWidgetPreference preference)103     public void onRadioButtonClicked(SelectorWithWidgetPreference preference) {
104         int preventRingingSetting = keyToSetting(preference.getKey());
105         if (preventRingingSetting != Settings.Secure.getInt(mContext.getContentResolver(),
106                 Settings.Secure.VOLUME_HUSH_GESTURE, Settings.Secure.VOLUME_HUSH_VIBRATE)) {
107             Settings.Secure.putInt(mContext.getContentResolver(),
108                     Settings.Secure.VOLUME_HUSH_GESTURE, preventRingingSetting);
109         }
110     }
111 
112     @Override
updateState(Preference preference)113     public void updateState(Preference preference) {
114         int preventRingingSetting = Settings.Secure.getInt(mContext.getContentResolver(),
115                 Settings.Secure.VOLUME_HUSH_GESTURE, Settings.Secure.VOLUME_HUSH_VIBRATE);
116         final boolean isVibrate = preventRingingSetting == Settings.Secure.VOLUME_HUSH_VIBRATE;
117         final boolean isMute = preventRingingSetting == Settings.Secure.VOLUME_HUSH_MUTE;
118         if (mVibratePref != null && mVibratePref.isChecked() != isVibrate) {
119             mVibratePref.setChecked(isVibrate);
120         }
121         if (mMutePref != null && mMutePref.isChecked() != isMute) {
122             mMutePref.setChecked(isMute);
123         }
124 
125         if (preventRingingSetting == Settings.Secure.VOLUME_HUSH_OFF) {
126             mVibratePref.setEnabled(false);
127             mMutePref.setEnabled(false);
128         } else {
129             mVibratePref.setEnabled(true);
130             mMutePref.setEnabled(true);
131         }
132     }
133 
134     @Override
onResume()135     public void onResume() {
136         if (mSettingObserver != null) {
137             mSettingObserver.register(mContext.getContentResolver());
138             mSettingObserver.onChange(false, null);
139         }
140     }
141 
142     @Override
onPause()143     public void onPause() {
144         if (mSettingObserver != null) {
145             mSettingObserver.unregister(mContext.getContentResolver());
146         }
147     }
148 
keyToSetting(String key)149     private int keyToSetting(String key) {
150         switch (key) {
151             case KEY_MUTE:
152                 return Settings.Secure.VOLUME_HUSH_MUTE;
153             case KEY_VIBRATE:
154                 return Settings.Secure.VOLUME_HUSH_VIBRATE;
155             default:
156                 return Settings.Secure.VOLUME_HUSH_OFF;
157         }
158     }
159 
makeRadioPreference(String key, int titleId)160     private SelectorWithWidgetPreference makeRadioPreference(String key, int titleId) {
161         SelectorWithWidgetPreference pref = new SelectorWithWidgetPreference(
162                 mPreferenceCategory.getContext());
163         pref.setKey(key);
164         pref.setTitle(titleId);
165         pref.setOnClickListener(this);
166         mPreferenceCategory.addPreference(pref);
167         return pref;
168     }
169 
170     private class SettingObserver extends ContentObserver {
171         private final Uri VOLUME_HUSH_GESTURE = Settings.Secure.getUriFor(
172                 Settings.Secure.VOLUME_HUSH_GESTURE);
173 
174         private final Preference mPreference;
175 
SettingObserver(Preference preference)176         public SettingObserver(Preference preference) {
177             super(new Handler());
178             mPreference = preference;
179         }
180 
register(ContentResolver cr)181         public void register(ContentResolver cr) {
182             cr.registerContentObserver(VOLUME_HUSH_GESTURE, false, this);
183         }
184 
unregister(ContentResolver cr)185         public void unregister(ContentResolver cr) {
186             cr.unregisterContentObserver(this);
187         }
188 
189         @Override
onChange(boolean selfChange, Uri uri)190         public void onChange(boolean selfChange, Uri uri) {
191             super.onChange(selfChange, uri);
192             if (uri == null || VOLUME_HUSH_GESTURE.equals(uri)) {
193                 updateState(mPreference);
194             }
195         }
196     }
197 }
198