1 /* 2 * Copyright (C) 2017 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.keyguard; 18 19 import android.os.Handler; 20 import android.os.Message; 21 import android.os.Trace; 22 23 import com.android.systemui.dagger.SysUISingleton; 24 25 import javax.inject.Inject; 26 27 /** 28 * Dispatches the lifecycles keyguard gets from WindowManager on the main thread. 29 */ 30 @SysUISingleton 31 public class KeyguardLifecyclesDispatcher { 32 33 static final int SCREEN_TURNING_ON = 0; 34 static final int SCREEN_TURNED_ON = 1; 35 static final int SCREEN_TURNING_OFF = 2; 36 static final int SCREEN_TURNED_OFF = 3; 37 38 static final int STARTED_WAKING_UP = 4; 39 static final int FINISHED_WAKING_UP = 5; 40 static final int STARTED_GOING_TO_SLEEP = 6; 41 static final int FINISHED_GOING_TO_SLEEP = 7; 42 private static final String TAG = "KeyguardLifecyclesDispatcher"; 43 44 private final ScreenLifecycle mScreenLifecycle; 45 private final WakefulnessLifecycle mWakefulnessLifecycle; 46 47 @Inject KeyguardLifecyclesDispatcher(ScreenLifecycle screenLifecycle, WakefulnessLifecycle wakefulnessLifecycle)48 public KeyguardLifecyclesDispatcher(ScreenLifecycle screenLifecycle, 49 WakefulnessLifecycle wakefulnessLifecycle) { 50 mScreenLifecycle = screenLifecycle; 51 mWakefulnessLifecycle = wakefulnessLifecycle; 52 } 53 dispatch(int what)54 void dispatch(int what) { 55 mHandler.obtainMessage(what).sendToTarget(); 56 } 57 58 /** 59 * @param what Message to send. 60 * @param pmReason Reason this message was triggered - this should be a value from either 61 * {@link PowerManager.WakeReason} or {@link PowerManager.GoToSleepReason}. 62 */ dispatch(int what, int pmReason)63 void dispatch(int what, int pmReason) { 64 final Message message = mHandler.obtainMessage(what); 65 message.arg1 = pmReason; 66 message.sendToTarget(); 67 } 68 69 /** 70 * @param what Message to send. 71 * @param object Object to send with the message 72 */ dispatch(int what, Object object)73 void dispatch(int what, Object object) { 74 mHandler.obtainMessage(what, object).sendToTarget(); 75 } 76 77 private Handler mHandler = new Handler() { 78 @Override 79 public void handleMessage(Message msg) { 80 switch (msg.what) { 81 case SCREEN_TURNING_ON: 82 Trace.beginSection("KeyguardLifecyclesDispatcher#SCREEN_TURNING_ON"); 83 mScreenLifecycle.dispatchScreenTurningOn(); 84 Trace.endSection(); 85 break; 86 case SCREEN_TURNED_ON: 87 mScreenLifecycle.dispatchScreenTurnedOn(); 88 break; 89 case SCREEN_TURNING_OFF: 90 mScreenLifecycle.dispatchScreenTurningOff(); 91 break; 92 case SCREEN_TURNED_OFF: 93 mScreenLifecycle.dispatchScreenTurnedOff(); 94 break; 95 case STARTED_WAKING_UP: 96 mWakefulnessLifecycle.dispatchStartedWakingUp(msg.arg1 /* pmReason */); 97 break; 98 case FINISHED_WAKING_UP: 99 mWakefulnessLifecycle.dispatchFinishedWakingUp(); 100 break; 101 case STARTED_GOING_TO_SLEEP: 102 mWakefulnessLifecycle.dispatchStartedGoingToSleep(msg.arg1 /* pmReason */); 103 break; 104 case FINISHED_GOING_TO_SLEEP: 105 mWakefulnessLifecycle.dispatchFinishedGoingToSleep(); 106 break; 107 default: 108 throw new IllegalArgumentException("Unknown message: " + msg); 109 } 110 } 111 }; 112 113 } 114