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.doze;
18
19import android.content.Context;
20import android.os.PowerManager;
21import android.os.SystemClock;
22import android.service.dreams.DreamService;
23import android.util.Log;
24
25import com.android.systemui.Dependency;
26import com.android.systemui.plugins.DozeServicePlugin;
27import com.android.systemui.plugins.DozeServicePlugin.RequestDoze;
28import com.android.systemui.plugins.PluginListener;
29import com.android.systemui.plugins.PluginManager;
30
31import java.io.FileDescriptor;
32import java.io.PrintWriter;
33
34public class DozeService extends DreamService
35        implements DozeMachine.Service, RequestDoze, PluginListener<DozeServicePlugin> {
36    private static final String TAG = "DozeService";
37    static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
38
39    private DozeMachine mDozeMachine;
40    private DozeServicePlugin mDozePlugin;
41
42    public DozeService() {
43        setDebug(DEBUG);
44    }
45
46    @Override
47    public void onCreate() {
48        super.onCreate();
49
50        setWindowless(true);
51
52        if (DozeFactory.getHost(this) == null) {
53            finish();
54            return;
55        }
56        Dependency.get(PluginManager.class).addPluginListener(this,
57                DozeServicePlugin.class, false /* Allow multiple */);
58        mDozeMachine = new DozeFactory().assembleMachine(this);
59    }
60
61    @Override
62    public void onDestroy() {
63        Dependency.get(PluginManager.class).removePluginListener(this);
64        super.onDestroy();
65        mDozeMachine = null;
66    }
67
68    @Override
69    public void onPluginConnected(DozeServicePlugin plugin, Context pluginContext) {
70        mDozePlugin = plugin;
71        mDozePlugin.setDozeRequester(this);
72    }
73
74    @Override
75    public void onPluginDisconnected(DozeServicePlugin plugin) {
76        if (mDozePlugin != null) {
77            mDozePlugin.onDreamingStopped();
78            mDozePlugin = null;
79        }
80    }
81
82    @Override
83    public void onDreamingStarted() {
84        super.onDreamingStarted();
85        mDozeMachine.requestState(DozeMachine.State.INITIALIZED);
86        startDozing();
87        if (mDozePlugin != null) {
88            mDozePlugin.onDreamingStarted();
89        }
90    }
91
92    @Override
93    public void onDreamingStopped() {
94        super.onDreamingStopped();
95        mDozeMachine.requestState(DozeMachine.State.FINISH);
96        if (mDozePlugin != null) {
97            mDozePlugin.onDreamingStopped();
98        }
99    }
100
101    @Override
102    protected void dumpOnHandler(FileDescriptor fd, PrintWriter pw, String[] args) {
103        super.dumpOnHandler(fd, pw, args);
104        if (mDozeMachine != null) {
105            mDozeMachine.dump(pw);
106        }
107    }
108
109    @Override
110    public void requestWakeUp() {
111        PowerManager pm = getSystemService(PowerManager.class);
112        pm.wakeUp(SystemClock.uptimeMillis(), "com.android.systemui:NODOZE");
113    }
114
115    @Override
116    public void onRequestShowDoze() {
117        if (mDozeMachine != null) {
118            mDozeMachine.requestState(DozeMachine.State.DOZE_AOD);
119        }
120    }
121
122    @Override
123    public void onRequestHideDoze() {
124        if (mDozeMachine != null) {
125            mDozeMachine.requestState(DozeMachine.State.DOZE);
126        }
127    }
128}
129