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/*
* 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);
}
}
}
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