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 22 import javax.inject.Inject; 23 import javax.inject.Singleton; 24 25 /** 26 * Dispatches the lifecycles keyguard gets from WindowManager on the main thread. 27 */ 28 @Singleton 29 public class KeyguardLifecyclesDispatcher { 30 31 static final int SCREEN_TURNING_ON = 0; 32 static final int SCREEN_TURNED_ON = 1; 33 static final int SCREEN_TURNING_OFF = 2; 34 static final int SCREEN_TURNED_OFF = 3; 35 36 static final int STARTED_WAKING_UP = 4; 37 static final int FINISHED_WAKING_UP = 5; 38 static final int STARTED_GOING_TO_SLEEP = 6; 39 static final int FINISHED_GOING_TO_SLEEP = 7; 40 41 private final ScreenLifecycle mScreenLifecycle; 42 private final WakefulnessLifecycle mWakefulnessLifecycle; 43 44 @Inject KeyguardLifecyclesDispatcher(ScreenLifecycle screenLifecycle, WakefulnessLifecycle wakefulnessLifecycle)45 public KeyguardLifecyclesDispatcher(ScreenLifecycle screenLifecycle, 46 WakefulnessLifecycle wakefulnessLifecycle) { 47 mScreenLifecycle = screenLifecycle; 48 mWakefulnessLifecycle = wakefulnessLifecycle; 49 } 50 dispatch(int what)51 void dispatch(int what) { 52 mHandler.obtainMessage(what).sendToTarget(); 53 } 54 55 private Handler mHandler = new Handler() { 56 @Override 57 public void handleMessage(Message msg) { 58 switch (msg.what) { 59 case SCREEN_TURNING_ON: 60 mScreenLifecycle.dispatchScreenTurningOn(); 61 break; 62 case SCREEN_TURNED_ON: 63 mScreenLifecycle.dispatchScreenTurnedOn(); 64 break; 65 case SCREEN_TURNING_OFF: 66 mScreenLifecycle.dispatchScreenTurningOff(); 67 break; 68 case SCREEN_TURNED_OFF: 69 mScreenLifecycle.dispatchScreenTurnedOff(); 70 break; 71 case STARTED_WAKING_UP: 72 mWakefulnessLifecycle.dispatchStartedWakingUp(); 73 break; 74 case FINISHED_WAKING_UP: 75 mWakefulnessLifecycle.dispatchFinishedWakingUp(); 76 break; 77 case STARTED_GOING_TO_SLEEP: 78 mWakefulnessLifecycle.dispatchStartedGoingToSleep(); 79 break; 80 case FINISHED_GOING_TO_SLEEP: 81 mWakefulnessLifecycle.dispatchFinishedGoingToSleep(); 82 break; 83 default: 84 throw new IllegalArgumentException("Unknown message: " + msg); 85 } 86 } 87 }; 88 89 } 90