| /* |
| * 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.HdmiCec; |
| |
| |
| /** |
| * Feature action that handles System Audio initiated by TV devices. |
| */ |
| final class SystemAudioActionFromTv extends SystemAudioAction { |
| /** |
| * Constructor |
| * |
| * @param service {@link HdmiControlService} instance |
| * @param tvAddress logical address of TV device |
| * @param avrAddress logical address of AVR device |
| * @param targetStatus Whether to enable the system audio mode or not |
| * @throw IllegalArugmentException if device type of tvAddress is invalid |
| */ |
| SystemAudioActionFromTv(HdmiControlService service, int tvAddress, int avrAddress, |
| boolean targetStatus) { |
| super(service, tvAddress, avrAddress, targetStatus); |
| HdmiUtils.verifyAddressType(tvAddress, HdmiCec.DEVICE_TV); |
| } |
| |
| @Override |
| boolean start() { |
| // TODO: Check HDMI-CEC is enabled. |
| // TODO: Move to the waiting state if currently a routing change is in progress. |
| |
| removeSystemAudioActionInProgress(); |
| sendSystemAudioModeRequest(); |
| return true; |
| } |
| } |