ZenModeControllerImpl.java revision ae641c9ccd3f81214cee54a5f13804f1765187ad 
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.INotificationManager;
20import android.content.Context;
21import android.net.Uri;
22import android.os.Handler;
23import android.os.RemoteException;
24import android.os.ServiceManager;
25import android.provider.Settings.Global;
26import android.service.notification.Condition;
27import android.service.notification.IConditionListener;
28import android.service.notification.ZenModeConfig;
29import android.util.Slog;
30
31import com.android.internal.widget.LockPatternUtils;
32import com.android.systemui.qs.GlobalSetting;
33
34import java.util.ArrayList;
35import java.util.LinkedHashMap;
36
37/** Platform implementation of the zen mode controller. **/
38public class ZenModeControllerImpl implements ZenModeController {
39    private static final String TAG = "ZenModeControllerImpl";
40    private static final boolean DEBUG = false;
41
42    private final ArrayList<Callback> mCallbacks = new ArrayList<Callback>();
43    private final Context mContext;
44    private final GlobalSetting mModeSetting;
45    private final GlobalSetting mConfigSetting;
46    private final INotificationManager mNoMan;
47    private final LinkedHashMap<Uri, Condition> mConditions = new LinkedHashMap<Uri, Condition>();
48    private final LockPatternUtils mUtils;
49
50    private boolean mRequesting;
51
52    public ZenModeControllerImpl(Context context, Handler handler) {
53        mContext = context;
54        mUtils = new LockPatternUtils(mContext);
55        mModeSetting = new GlobalSetting(mContext, handler, Global.ZEN_MODE) {
56            @Override
57            protected void handleValueChanged(int value) {
58                fireZenChanged(value);
59            }
60        };
61        mConfigSetting = new GlobalSetting(mContext, handler, Global.ZEN_MODE_CONFIG_ETAG) {
62            @Override
63            protected void handleValueChanged(int value) {
64                fireExitConditionChanged();
65            }
66        };
67        mModeSetting.setListening(true);
68        mConfigSetting.setListening(true);
69        mNoMan = INotificationManager.Stub.asInterface(
70                ServiceManager.getService(Context.NOTIFICATION_SERVICE));
71    }
72
73    @Override
74    public void addCallback(Callback callback) {
75        mCallbacks.add(callback);
76    }
77
78    @Override
79    public void removeCallback(Callback callback) {
80        mCallbacks.remove(callback);
81    }
82
83    @Override
84    public int getZen() {
85        return mModeSetting.getValue();
86    }
87
88    @Override
89    public void setZen(int zen) {
90        mModeSetting.setValue(zen);
91    }
92
93    @Override
94    public void requestConditions(boolean request) {
95        mRequesting = request;
96        try {
97            mNoMan.requestZenModeConditions(mListener, request ? Condition.FLAG_RELEVANT_NOW : 0);
98        } catch (RemoteException e) {
99            // noop
100        }
101        if (!mRequesting) {
102            mConditions.clear();
103        }
104    }
105
106    @Override
107    public void setExitConditionId(Uri exitConditionId) {
108        try {
109            mNoMan.setZenModeCondition(exitConditionId);
110        } catch (RemoteException e) {
111            // noop
112        }
113    }
114
115    @Override
116    public Uri getExitConditionId() {
117        try {
118            final ZenModeConfig config = mNoMan.getZenModeConfig();
119            if (config != null) {
120                return config.exitConditionId;
121            }
122        } catch (RemoteException e) {
123            // noop
124        }
125        return null;
126    }
127
128    @Override
129    public boolean hasNextAlarm() {
130        return mUtils.getNextAlarm() != null;
131    }
132
133    private void fireZenChanged(int zen) {
134        for (Callback cb : mCallbacks) {
135            cb.onZenChanged(zen);
136        }
137    }
138
139    private void fireConditionsChanged(Condition[] conditions) {
140        for (Callback cb : mCallbacks) {
141            cb.onConditionsChanged(conditions);
142        }
143    }
144
145    private void fireExitConditionChanged() {
146        final Uri exitConditionId = getExitConditionId();
147        if (DEBUG) Slog.d(TAG, "exitConditionId changed: " + exitConditionId);
148        for (Callback cb : mCallbacks) {
149            cb.onExitConditionChanged(exitConditionId);
150        }
151    }
152
153    private void updateConditions(Condition[] conditions) {
154        if (conditions == null || conditions.length == 0) return;
155        for (Condition c : conditions) {
156            if ((c.flags & Condition.FLAG_RELEVANT_NOW) == 0) continue;
157            mConditions.put(c.id, c);
158        }
159        fireConditionsChanged(
160                mConditions.values().toArray(new Condition[mConditions.values().size()]));
161    }
162
163    private final IConditionListener mListener = new IConditionListener.Stub() {
164        @Override
165        public void onConditionsReceived(Condition[] conditions) {
166            if (DEBUG) Slog.d(TAG, "onConditionsReceived "
167                    + (conditions == null ? 0 : conditions.length) + " mRequesting=" + mRequesting);
168            if (!mRequesting) return;
169            updateConditions(conditions);
170        }
171    };
172}
173