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      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.systemui.doze;
     18 
     19 import android.app.AlarmManager;
     20 import android.app.Application;
     21 import android.content.Context;
     22 import android.hardware.Sensor;
     23 import android.hardware.SensorManager;
     24 import android.os.Handler;
     25 import android.os.PowerManager;
     26 
     27 import com.android.internal.hardware.AmbientDisplayConfiguration;
     28 import com.android.keyguard.KeyguardUpdateMonitor;
     29 import com.android.systemui.Dependency;
     30 import com.android.systemui.R;
     31 import com.android.systemui.SystemUIApplication;
     32 import com.android.systemui.classifier.FalsingManager;
     33 import com.android.systemui.statusbar.phone.DozeParameters;
     34 import com.android.systemui.util.AsyncSensorManager;
     35 import com.android.systemui.util.wakelock.DelayedWakeLock;
     36 import com.android.systemui.util.wakelock.WakeLock;
     37 
     38 public class DozeFactory {
     39 
     40     public DozeFactory() {
     41     }
     42 
     43     /** Creates a DozeMachine with its parts for {@code dozeService}. */
     44     public DozeMachine assembleMachine(DozeService dozeService) {
     45         Context context = dozeService;
     46         SensorManager sensorManager = Dependency.get(AsyncSensorManager.class);
     47         AlarmManager alarmManager = context.getSystemService(AlarmManager.class);
     48 
     49         DozeHost host = getHost(dozeService);
     50         AmbientDisplayConfiguration config = new AmbientDisplayConfiguration(context);
     51         DozeParameters params = DozeParameters.getInstance(context);
     52         Handler handler = new Handler();
     53         WakeLock wakeLock = new DelayedWakeLock(handler,
     54                 WakeLock.createPartial(context, "Doze"));
     55 
     56         DozeMachine.Service wrappedService = dozeService;
     57         wrappedService = new DozeBrightnessHostForwarder(wrappedService, host);
     58         wrappedService = DozeScreenStatePreventingAdapter.wrapIfNeeded(wrappedService, params);
     59         wrappedService = DozeSuspendScreenStatePreventingAdapter.wrapIfNeeded(wrappedService,
     60                 params);
     61 
     62         DozeMachine machine = new DozeMachine(wrappedService, config, wakeLock);
     63         machine.setParts(new DozeMachine.Part[]{
     64                 new DozePauser(handler, machine, alarmManager, params.getPolicy()),
     65                 new DozeFalsingManagerAdapter(FalsingManager.getInstance(context)),
     66                 createDozeTriggers(context, sensorManager, host, alarmManager, config, params,
     67                         handler, wakeLock, machine),
     68                 createDozeUi(context, host, wakeLock, machine, handler, alarmManager, params),
     69                 new DozeScreenState(wrappedService, handler, params, wakeLock),
     70                 createDozeScreenBrightness(context, wrappedService, sensorManager, host, params,
     71                         handler),
     72                 new DozeWallpaperState(context)
     73         });
     74 
     75         return machine;
     76     }
     77 
     78     private DozeMachine.Part createDozeScreenBrightness(Context context,
     79             DozeMachine.Service service, SensorManager sensorManager, DozeHost host,
     80             DozeParameters params, Handler handler) {
     81         Sensor sensor = DozeSensors.findSensorWithType(sensorManager,
     82                 context.getString(R.string.doze_brightness_sensor_type));
     83         return new DozeScreenBrightness(context, service, sensorManager, sensor, host, handler,
     84                 params.getPolicy());
     85     }
     86 
     87     private DozeTriggers createDozeTriggers(Context context, SensorManager sensorManager,
     88             DozeHost host, AlarmManager alarmManager, AmbientDisplayConfiguration config,
     89             DozeParameters params, Handler handler, WakeLock wakeLock, DozeMachine machine) {
     90         boolean allowPulseTriggers = true;
     91         return new DozeTriggers(context, machine, host, alarmManager, config, params,
     92                 sensorManager, handler, wakeLock, allowPulseTriggers);
     93     }
     94 
     95     private DozeMachine.Part createDozeUi(Context context, DozeHost host, WakeLock wakeLock,
     96             DozeMachine machine, Handler handler, AlarmManager alarmManager,
     97             DozeParameters params) {
     98         return new DozeUi(context, alarmManager, machine, wakeLock, host, handler, params,
     99                 KeyguardUpdateMonitor.getInstance(context));
    100     }
    101 
    102     public static DozeHost getHost(DozeService service) {
    103         Application appCandidate = service.getApplication();
    104         final SystemUIApplication app = (SystemUIApplication) appCandidate;
    105         return app.getComponent(DozeHost.class);
    106     }
    107 }
    108