Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 1 | package com.android.server.hdmi; |
| 2 | |
| 3 | /* |
| 4 | * Copyright (C) 2014 The Android Open Source Project |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 19 | import android.hardware.hdmi.HdmiControlManager; |
Jungshik Jang | 8e93c84 | 2014-08-06 15:48:33 +0900 | [diff] [blame] | 20 | import android.hardware.hdmi.HdmiPlaybackClient; |
| 21 | import android.hardware.hdmi.HdmiPlaybackClient.DisplayStatusCallback; |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 22 | import android.hardware.hdmi.IHdmiControlCallback; |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 23 | import android.os.RemoteException; |
| 24 | import android.util.Slog; |
| 25 | |
Jinsuk Kim | cb80287 | 2015-10-13 08:22:09 +0900 | [diff] [blame] | 26 | import java.util.ArrayList; |
| 27 | import java.util.List; |
| 28 | |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 29 | /** |
Jungshik Jang | 8e93c84 | 2014-08-06 15:48:33 +0900 | [diff] [blame] | 30 | * Feature action that queries the power status of other device. This action is initiated via |
| 31 | * {@link HdmiPlaybackClient#queryDisplayStatus(DisplayStatusCallback)} from the Android system |
| 32 | * working as playback device to get the power status of TV device. |
| 33 | * <p> |
| 34 | * Package-private, accessed by {@link HdmiControlService} only. |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 35 | */ |
Jungshik Jang | b509c2e | 2014-08-07 13:45:01 +0900 | [diff] [blame] | 36 | final class DevicePowerStatusAction extends HdmiCecFeatureAction { |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 37 | private static final String TAG = "DevicePowerStatusAction"; |
| 38 | |
| 39 | // State in which the action is waiting for <Report Power Status>. |
| 40 | private static final int STATE_WAITING_FOR_REPORT_POWER_STATUS = 1; |
| 41 | |
| 42 | private final int mTargetAddress; |
Jinsuk Kim | cb80287 | 2015-10-13 08:22:09 +0900 | [diff] [blame] | 43 | private final List<IHdmiControlCallback> mCallbacks = new ArrayList<>(); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 44 | |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 45 | static DevicePowerStatusAction create(HdmiCecLocalDevice source, |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 46 | int targetAddress, IHdmiControlCallback callback) { |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 47 | if (source == null || callback == null) { |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 48 | Slog.e(TAG, "Wrong arguments"); |
| 49 | return null; |
| 50 | } |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 51 | return new DevicePowerStatusAction(source, targetAddress, callback); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 52 | } |
| 53 | |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 54 | private DevicePowerStatusAction(HdmiCecLocalDevice localDevice, |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 55 | int targetAddress, IHdmiControlCallback callback) { |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 56 | super(localDevice); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 57 | mTargetAddress = targetAddress; |
Jinsuk Kim | cb80287 | 2015-10-13 08:22:09 +0900 | [diff] [blame] | 58 | addCallback(callback); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | @Override |
| 62 | boolean start() { |
| 63 | queryDevicePowerStatus(); |
| 64 | mState = STATE_WAITING_FOR_REPORT_POWER_STATUS; |
Jinsuk Kim | 5fba96d | 2014-07-11 11:51:34 +0900 | [diff] [blame] | 65 | addTimer(mState, HdmiConfig.TIMEOUT_MS); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 66 | return true; |
| 67 | } |
| 68 | |
| 69 | private void queryDevicePowerStatus() { |
Jungshik Jang | 79c58a4 | 2014-06-16 16:45:36 +0900 | [diff] [blame] | 70 | sendCommand(HdmiCecMessageBuilder.buildGiveDevicePowerStatus(getSourceAddress(), |
| 71 | mTargetAddress)); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 72 | } |
| 73 | |
| 74 | @Override |
| 75 | boolean processCommand(HdmiCecMessage cmd) { |
Jungshik Jang | 5352081c | 2014-09-22 15:14:49 +0900 | [diff] [blame] | 76 | if (mState != STATE_WAITING_FOR_REPORT_POWER_STATUS |
| 77 | || mTargetAddress != cmd.getSource()) { |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 78 | return false; |
| 79 | } |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 80 | if (cmd.getOpcode() == Constants.MESSAGE_REPORT_POWER_STATUS) { |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 81 | int status = cmd.getParams()[0]; |
| 82 | invokeCallback(status); |
| 83 | finish(); |
| 84 | return true; |
| 85 | } |
| 86 | return false; |
| 87 | } |
| 88 | |
| 89 | @Override |
| 90 | void handleTimerEvent(int state) { |
| 91 | if (mState != state) { |
| 92 | return; |
| 93 | } |
| 94 | if (state == STATE_WAITING_FOR_REPORT_POWER_STATUS) { |
| 95 | // Got no response from TV. Report status 'unknown'. |
Jinsuk Kim | c0c20d0 | 2014-07-04 14:34:31 +0900 | [diff] [blame] | 96 | invokeCallback(HdmiControlManager.POWER_STATUS_UNKNOWN); |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 97 | finish(); |
| 98 | } |
| 99 | } |
| 100 | |
Jinsuk Kim | cb80287 | 2015-10-13 08:22:09 +0900 | [diff] [blame] | 101 | public void addCallback(IHdmiControlCallback callback) { |
| 102 | mCallbacks.add(callback); |
| 103 | } |
| 104 | |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 105 | private void invokeCallback(int result) { |
| 106 | try { |
Jinsuk Kim | cb80287 | 2015-10-13 08:22:09 +0900 | [diff] [blame] | 107 | for (IHdmiControlCallback callback : mCallbacks) { |
| 108 | callback.onComplete(result); |
| 109 | } |
Jinsuk Kim | 78d695d | 2014-05-13 16:36:15 +0900 | [diff] [blame] | 110 | } catch (RemoteException e) { |
| 111 | Slog.e(TAG, "Callback failed:" + e); |
| 112 | } |
| 113 | } |
| 114 | } |