1 /* 2 * Copyright (C) 2016 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.notification; 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.os.UserHandle; 25 import android.provider.Settings; 26 import android.support.v7.preference.Preference; 27 import android.support.v7.preference.PreferenceScreen; 28 import android.util.Slog; 29 30 import com.android.settings.core.PreferenceControllerMixin; 31 import com.android.settingslib.core.AbstractPreferenceController; 32 import com.android.settingslib.core.lifecycle.Lifecycle; 33 import com.android.settingslib.core.lifecycle.LifecycleObserver; 34 import com.android.settingslib.core.lifecycle.events.OnPause; 35 import com.android.settingslib.core.lifecycle.events.OnResume; 36 37 public class ZenModePreferenceController extends AbstractPreferenceController 38 implements LifecycleObserver, OnResume, OnPause, PreferenceControllerMixin { 39 40 private final String mKey; 41 private SettingObserver mSettingObserver; 42 private ZenModeSettings.SummaryBuilder mSummaryBuilder; 43 ZenModePreferenceController(Context context, Lifecycle lifecycle, String key)44 public ZenModePreferenceController(Context context, Lifecycle lifecycle, String key) { 45 super(context); 46 mSummaryBuilder = new ZenModeSettings.SummaryBuilder(context); 47 48 if (lifecycle != null) { 49 lifecycle.addObserver(this); 50 } 51 mKey = key; 52 } 53 54 @Override displayPreference(PreferenceScreen screen)55 public void displayPreference(PreferenceScreen screen) { 56 super.displayPreference(screen); 57 mSettingObserver = new SettingObserver(screen.findPreference(mKey)); 58 } 59 60 @Override onResume()61 public void onResume() { 62 if (mSettingObserver != null) { 63 mSettingObserver.register(mContext.getContentResolver()); 64 } 65 } 66 67 @Override onPause()68 public void onPause() { 69 if (mSettingObserver != null) { 70 mSettingObserver.unregister(mContext.getContentResolver()); 71 } 72 } 73 74 @Override getPreferenceKey()75 public String getPreferenceKey() { 76 return mKey; 77 } 78 79 @Override isAvailable()80 public boolean isAvailable() { 81 return true; 82 } 83 84 @Override updateState(Preference preference)85 public void updateState(Preference preference) { 86 super.updateState(preference); 87 if (preference.isEnabled()) { 88 preference.setSummary(mSummaryBuilder.getSoundSummary()); 89 } 90 } 91 92 class SettingObserver extends ContentObserver { 93 private final Uri ZEN_MODE_URI = Settings.Global.getUriFor(Settings.Global.ZEN_MODE); 94 private final Uri ZEN_MODE_CONFIG_ETAG_URI = Settings.Global.getUriFor( 95 Settings.Global.ZEN_MODE_CONFIG_ETAG); 96 97 private final Preference mPreference; 98 SettingObserver(Preference preference)99 public SettingObserver(Preference preference) { 100 super(new Handler()); 101 mPreference = preference; 102 } 103 register(ContentResolver cr)104 public void register(ContentResolver cr) { 105 cr.registerContentObserver(ZEN_MODE_URI, false, this, UserHandle.USER_ALL); 106 cr.registerContentObserver(ZEN_MODE_CONFIG_ETAG_URI, false, this, UserHandle.USER_ALL); 107 } 108 unregister(ContentResolver cr)109 public void unregister(ContentResolver cr) { 110 cr.unregisterContentObserver(this); 111 } 112 113 @Override onChange(boolean selfChange, Uri uri)114 public void onChange(boolean selfChange, Uri uri) { 115 super.onChange(selfChange, uri); 116 if (ZEN_MODE_URI.equals(uri)) { 117 updateState(mPreference); 118 } 119 120 if (ZEN_MODE_CONFIG_ETAG_URI.equals(uri)) { 121 updateState(mPreference); 122 } 123 } 124 } 125 } 126