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