| /* |
| * 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.HdmiControlManager; |
| import android.hardware.hdmi.IHdmiControlCallback; |
| import android.hardware.tv.cec.V1_0.SendMessageResult; |
| |
| /** |
| * Feature action that handles ARC action initiated by TV devices. |
| * |
| * <p>This action is created by TV's hot plug event of ARC port. |
| */ |
| final class RequestArcInitiationAction extends RequestArcAction { |
| private static final String TAG = "RequestArcInitiationAction"; |
| |
| /** |
| * @Constructor |
| * |
| * For more details look at {@link RequestArcAction#RequestArcAction}. |
| */ |
| RequestArcInitiationAction(HdmiCecLocalDevice source, int avrAddress) { |
| super(source, avrAddress); |
| } |
| |
| /** |
| * @Constructor |
| * |
| * For more details look at {@link RequestArcAction#RequestArcAction}. |
| */ |
| RequestArcInitiationAction(HdmiCecLocalDevice source, int avrAddress, |
| IHdmiControlCallback callback) { |
| super(source, avrAddress, callback); |
| } |
| |
| @Override |
| boolean start() { |
| // Seq #38 |
| mState = STATE_WATING_FOR_REQUEST_ARC_REQUEST_RESPONSE; |
| addTimer(mState, HdmiConfig.TIMEOUT_MS); |
| |
| HdmiCecMessage command = HdmiCecMessageBuilder.buildRequestArcInitiation( |
| getSourceAddress(), mAvrAddress); |
| sendCommand(command, new HdmiControlService.SendMessageCallback() { |
| @Override |
| public void onSendCompleted(int error) { |
| if (error != SendMessageResult.SUCCESS) { |
| // Turn off ARC status if <Request ARC Initiation> fails. |
| tv().disableArc(); |
| finishWithCallback(HdmiControlManager.RESULT_TARGET_NOT_AVAILABLE); |
| } |
| } |
| }); |
| return true; |
| } |
| |
| @Override |
| boolean processCommand(HdmiCecMessage cmd) { |
| if (mState != STATE_WATING_FOR_REQUEST_ARC_REQUEST_RESPONSE |
| || !HdmiUtils.checkCommandSource(cmd, mAvrAddress, TAG)) { |
| return false; |
| } |
| int opcode = cmd.getOpcode(); |
| switch (opcode) { |
| case Constants.MESSAGE_FEATURE_ABORT: |
| int originalOpcode = cmd.getParams()[0] & 0xFF; |
| if (originalOpcode == Constants.MESSAGE_REQUEST_ARC_INITIATION) { |
| tv().disableArc(); |
| finishWithCallback(HdmiControlManager.RESULT_TARGET_NOT_AVAILABLE); |
| return true; |
| } |
| return false; |
| case Constants.MESSAGE_INITIATE_ARC: |
| finishWithCallback(HdmiControlManager.RESULT_SUCCESS); |
| // This message still needs to be handled in HdmiCecLocalDeviceTv as well. |
| return false; |
| } |
| return false; |
| } |
| } |