| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.hdmi; |
| |
| import android.hardware.hdmi.HdmiDeviceInfo; |
| import android.hardware.hdmi.HdmiControlManager; |
| import android.hardware.hdmi.IHdmiControlCallback; |
| |
| /** |
| * Feature action that handles System Audio initiated by AVR devices. |
| */ |
| // Seq #33 |
| final class SystemAudioActionFromAvr extends SystemAudioAction { |
| /** |
| * Constructor |
| * |
| * @param source {@link HdmiCecLocalDevice} instance |
| * @param avrAddress logical address of AVR device |
| * @param targetStatus Whether to enable the system audio mode or not |
| * @param callback callback interface to be notified when it's done |
| * @throw IllegalArugmentException if device type of tvAddress and avrAddress is invalid |
| */ |
| SystemAudioActionFromAvr(HdmiCecLocalDevice source, int avrAddress, |
| boolean targetStatus, IHdmiControlCallback callback) { |
| super(source, avrAddress, targetStatus, callback); |
| HdmiUtils.verifyAddressType(getSourceAddress(), HdmiDeviceInfo.DEVICE_TV); |
| } |
| |
| @Override |
| boolean start() { |
| removeSystemAudioActionInProgress(); |
| handleSystemAudioActionFromAvr(); |
| return true; |
| } |
| |
| private void handleSystemAudioActionFromAvr() { |
| if (mTargetAudioStatus == tv().isSystemAudioActivated()) { |
| finishWithCallback(HdmiControlManager.RESULT_SUCCESS); |
| return; |
| } |
| if (tv().isProhibitMode()) { |
| sendCommand(HdmiCecMessageBuilder.buildFeatureAbortCommand( |
| getSourceAddress(), mAvrLogicalAddress, |
| Constants.MESSAGE_SET_SYSTEM_AUDIO_MODE, Constants.ABORT_REFUSED)); |
| mTargetAudioStatus = false; |
| sendSystemAudioModeRequest(); |
| return; |
| } |
| |
| removeAction(SystemAudioAutoInitiationAction.class); |
| |
| if (mTargetAudioStatus) { |
| setSystemAudioMode(true); |
| startAudioStatusAction(); |
| } else { |
| setSystemAudioMode(false); |
| finishWithCallback(HdmiControlManager.RESULT_SUCCESS); |
| } |
| } |
| } |