DozeFactory.java revision 75c94b87882a483c199c6bd51b0ffd849dd7a12e 
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
17package com.android.systemui.doze;
18
19import android.app.AlarmManager;
20import android.app.Application;
21import android.content.Context;
22import android.hardware.Sensor;
23import android.hardware.SensorManager;
24import android.os.Handler;
25
26import com.android.internal.hardware.AmbientDisplayConfiguration;
27import com.android.systemui.R;
28import com.android.systemui.SystemUIApplication;
29import com.android.systemui.classifier.FalsingManager;
30import com.android.systemui.statusbar.phone.DozeParameters;
31import com.android.systemui.util.wakelock.DelayedWakeLock;
32import com.android.systemui.util.wakelock.WakeLock;
33
34public class DozeFactory {
35
36    public DozeFactory() {
37    }
38
39    /** Creates a DozeMachine with its parts for {@code dozeService}. */
40    public DozeMachine assembleMachine(DozeService dozeService) {
41        Context context = dozeService;
42        SensorManager sensorManager = context.getSystemService(SensorManager.class);
43        AlarmManager alarmManager = context.getSystemService(AlarmManager.class);
44
45        DozeHost host = getHost(dozeService);
46        AmbientDisplayConfiguration config = new AmbientDisplayConfiguration(context);
47        DozeParameters params = new DozeParameters(context);
48        Handler handler = new Handler();
49        WakeLock wakeLock = new DelayedWakeLock(handler,
50                WakeLock.createPartial(context, "Doze"));
51
52        DozeMachine.Service wrappedService = DozeSuspendScreenStatePreventingAdapter.wrapIfNeeded(
53                DozeScreenStatePreventingAdapter.wrapIfNeeded(dozeService, params), params);
54        DozeMachine machine = new DozeMachine(wrappedService, config, wakeLock);
55        machine.setParts(new DozeMachine.Part[]{
56                new DozePauser(handler, machine, alarmManager),
57                new DozeFalsingManagerAdapter(FalsingManager.getInstance(context)),
58                createDozeTriggers(context, sensorManager, host, alarmManager, config, params,
59                        handler, wakeLock, machine),
60                createDozeUi(context, host, wakeLock, machine, handler, alarmManager),
61                createDozeScreenState(wrappedService),
62                createDozeScreenBrightness(context, wrappedService, sensorManager, handler),
63        });
64
65        return machine;
66    }
67
68    private DozeMachine.Part createDozeScreenState(DozeMachine.Service service) {
69        return new DozeScreenState(service);
70    }
71
72    private DozeMachine.Part createDozeScreenBrightness(Context context,
73            DozeMachine.Service service, SensorManager sensorManager, Handler handler) {
74        Sensor sensor = DozeSensors.findSensorWithType(sensorManager,
75                context.getString(R.string.doze_brightness_sensor_type));
76        return new DozeScreenBrightness(context, service, sensorManager, sensor, handler);
77    }
78
79    private DozeTriggers createDozeTriggers(Context context, SensorManager sensorManager,
80            DozeHost host, AlarmManager alarmManager, AmbientDisplayConfiguration config,
81            DozeParameters params, Handler handler, WakeLock wakeLock, DozeMachine machine) {
82        boolean allowPulseTriggers = true;
83        return new DozeTriggers(context, machine, host, alarmManager, config, params,
84                sensorManager, handler, wakeLock, allowPulseTriggers);
85    }
86
87    private DozeMachine.Part createDozeUi(Context context, DozeHost host, WakeLock wakeLock,
88            DozeMachine machine, Handler handler, AlarmManager alarmManager) {
89        return new DozeUi(context, alarmManager, machine, wakeLock, host, handler);
90    }
91
92    public static DozeHost getHost(DozeService service) {
93        Application appCandidate = service.getApplication();
94        final SystemUIApplication app = (SystemUIApplication) appCandidate;
95        return app.getComponent(DozeHost.class);
96    }
97}
98