1/*
2 * Copyright (C) 2014 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
17package com.android.systemui.statusbar.policy;
18
19import android.app.ActivityManager;
20import android.app.AlarmManager;
21import android.app.NotificationManager;
22import android.content.BroadcastReceiver;
23import android.content.ComponentName;
24import android.content.ContentResolver;
25import android.content.Context;
26import android.content.Intent;
27import android.content.IntentFilter;
28import android.database.ContentObserver;
29import android.net.Uri;
30import android.os.Handler;
31import android.os.UserHandle;
32import android.os.UserManager;
33import android.provider.Settings.Global;
34import android.provider.Settings.Secure;
35import android.service.notification.Condition;
36import android.service.notification.IConditionListener;
37import android.service.notification.ZenModeConfig;
38import android.service.notification.ZenModeConfig.ZenRule;
39import android.util.Log;
40import android.util.Slog;
41
42import com.android.systemui.qs.GlobalSetting;
43
44import java.util.ArrayList;
45import java.util.LinkedHashMap;
46import java.util.Objects;
47
48/** Platform implementation of the zen mode controller. **/
49public class ZenModeControllerImpl implements ZenModeController {
50    private static final String TAG = "ZenModeController";
51    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
52
53    private final ArrayList<Callback> mCallbacks = new ArrayList<Callback>();
54    private final Context mContext;
55    private final GlobalSetting mModeSetting;
56    private final GlobalSetting mConfigSetting;
57    private final NotificationManager mNoMan;
58    private final LinkedHashMap<Uri, Condition> mConditions = new LinkedHashMap<Uri, Condition>();
59    private final AlarmManager mAlarmManager;
60    private final SetupObserver mSetupObserver;
61    private final UserManager mUserManager;
62
63    private int mUserId;
64    private boolean mRequesting;
65    private boolean mRegistered;
66    private ZenModeConfig mConfig;
67
68    public ZenModeControllerImpl(Context context, Handler handler) {
69        mContext = context;
70        mModeSetting = new GlobalSetting(mContext, handler, Global.ZEN_MODE) {
71            @Override
72            protected void handleValueChanged(int value) {
73                fireZenChanged(value);
74            }
75        };
76        mConfigSetting = new GlobalSetting(mContext, handler, Global.ZEN_MODE_CONFIG_ETAG) {
77            @Override
78            protected void handleValueChanged(int value) {
79                updateZenModeConfig();
80            }
81        };
82        mNoMan = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
83        mConfig = mNoMan.getZenModeConfig();
84        mModeSetting.setListening(true);
85        mConfigSetting.setListening(true);
86        mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
87        mSetupObserver = new SetupObserver(handler);
88        mSetupObserver.register();
89        mUserManager = context.getSystemService(UserManager.class);
90    }
91
92    @Override
93    public boolean isVolumeRestricted() {
94        return mUserManager.hasUserRestriction(UserManager.DISALLOW_ADJUST_VOLUME,
95                new UserHandle(mUserId));
96    }
97
98    @Override
99    public void addCallback(Callback callback) {
100        mCallbacks.add(callback);
101    }
102
103    @Override
104    public void removeCallback(Callback callback) {
105        mCallbacks.remove(callback);
106    }
107
108    @Override
109    public int getZen() {
110        return mModeSetting.getValue();
111    }
112
113    @Override
114    public void setZen(int zen, Uri conditionId, String reason) {
115        mNoMan.setZenMode(zen, conditionId, reason);
116    }
117
118    @Override
119    public boolean isZenAvailable() {
120        return mSetupObserver.isDeviceProvisioned() && mSetupObserver.isUserSetup();
121    }
122
123    @Override
124    public ZenRule getManualRule() {
125        return mConfig == null ? null : mConfig.manualRule;
126    }
127
128    @Override
129    public ZenModeConfig getConfig() {
130        return mConfig;
131    }
132
133    @Override
134    public long getNextAlarm() {
135        final AlarmManager.AlarmClockInfo info = mAlarmManager.getNextAlarmClock(mUserId);
136        return info != null ? info.getTriggerTime() : 0;
137    }
138
139    @Override
140    public void setUserId(int userId) {
141        mUserId = userId;
142        if (mRegistered) {
143            mContext.unregisterReceiver(mReceiver);
144        }
145        final IntentFilter filter = new IntentFilter(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED);
146        filter.addAction(NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED);
147        mContext.registerReceiverAsUser(mReceiver, new UserHandle(mUserId), filter, null, null);
148        mRegistered = true;
149        mSetupObserver.register();
150    }
151
152    @Override
153    public ComponentName getEffectsSuppressor() {
154        return NotificationManager.from(mContext).getEffectsSuppressor();
155    }
156
157    @Override
158    public boolean isCountdownConditionSupported() {
159        return NotificationManager.from(mContext)
160                .isSystemConditionProviderEnabled(ZenModeConfig.COUNTDOWN_PATH);
161    }
162
163    @Override
164    public int getCurrentUser() {
165        return ActivityManager.getCurrentUser();
166    }
167
168    private void fireNextAlarmChanged() {
169        for (Callback cb : mCallbacks) {
170            cb.onNextAlarmChanged();
171        }
172    }
173
174    private void fireEffectsSuppressorChanged() {
175        for (Callback cb : mCallbacks) {
176            cb.onEffectsSupressorChanged();
177        }
178    }
179
180    private void fireZenChanged(int zen) {
181        for (Callback cb : mCallbacks) {
182            cb.onZenChanged(zen);
183        }
184    }
185
186    private void fireZenAvailableChanged(boolean available) {
187        for (Callback cb : mCallbacks) {
188            cb.onZenAvailableChanged(available);
189        }
190    }
191
192    private void fireConditionsChanged(Condition[] conditions) {
193        for (Callback cb : mCallbacks) {
194            cb.onConditionsChanged(conditions);
195        }
196    }
197
198    private void fireManualRuleChanged(ZenRule rule) {
199        for (Callback cb : mCallbacks) {
200            cb.onManualRuleChanged(rule);
201        }
202    }
203
204    private void fireConfigChanged(ZenModeConfig config) {
205        for (Callback cb : mCallbacks) {
206            cb.onConfigChanged(config);
207        }
208    }
209
210    private void updateConditions(Condition[] conditions) {
211        if (conditions == null || conditions.length == 0) return;
212        for (Condition c : conditions) {
213            if ((c.flags & Condition.FLAG_RELEVANT_NOW) == 0) continue;
214            mConditions.put(c.id, c);
215        }
216        fireConditionsChanged(
217                mConditions.values().toArray(new Condition[mConditions.values().size()]));
218    }
219
220    private void updateZenModeConfig() {
221        final ZenModeConfig config = mNoMan.getZenModeConfig();
222        if (Objects.equals(config, mConfig)) return;
223        final ZenRule oldRule = mConfig != null ? mConfig.manualRule : null;
224        mConfig = config;
225        fireConfigChanged(config);
226        final ZenRule newRule = config != null ? config.manualRule : null;
227        if (Objects.equals(oldRule, newRule)) return;
228        fireManualRuleChanged(newRule);
229    }
230
231    private final IConditionListener mListener = new IConditionListener.Stub() {
232        @Override
233        public void onConditionsReceived(Condition[] conditions) {
234            if (DEBUG) Slog.d(TAG, "onConditionsReceived "
235                    + (conditions == null ? 0 : conditions.length) + " mRequesting=" + mRequesting);
236            if (!mRequesting) return;
237            updateConditions(conditions);
238        }
239    };
240
241    private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
242        @Override
243        public void onReceive(Context context, Intent intent) {
244            if (AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED.equals(intent.getAction())) {
245                fireNextAlarmChanged();
246            }
247            if (NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED.equals(intent.getAction())) {
248                fireEffectsSuppressorChanged();
249            }
250        }
251    };
252
253    private final class SetupObserver extends ContentObserver {
254        private final ContentResolver mResolver;
255
256        private boolean mRegistered;
257
258        public SetupObserver(Handler handler) {
259            super(handler);
260            mResolver = mContext.getContentResolver();
261        }
262
263        public boolean isUserSetup() {
264            return Secure.getIntForUser(mResolver, Secure.USER_SETUP_COMPLETE, 0, mUserId) != 0;
265        }
266
267        public boolean isDeviceProvisioned() {
268            return Global.getInt(mResolver, Global.DEVICE_PROVISIONED, 0) != 0;
269        }
270
271        public void register() {
272            if (mRegistered) {
273                mResolver.unregisterContentObserver(this);
274            }
275            mResolver.registerContentObserver(
276                    Global.getUriFor(Global.DEVICE_PROVISIONED), false, this);
277            mResolver.registerContentObserver(
278                    Secure.getUriFor(Secure.USER_SETUP_COMPLETE), false, this, mUserId);
279            fireZenAvailableChanged(isZenAvailable());
280        }
281
282        @Override
283        public void onChange(boolean selfChange, Uri uri) {
284            if (Global.getUriFor(Global.DEVICE_PROVISIONED).equals(uri)
285                    || Secure.getUriFor(Secure.USER_SETUP_COMPLETE).equals(uri)) {
286                fireZenAvailableChanged(isZenAvailable());
287            }
288        }
289    }
290}
291