RequestArcTerminationAction.java revision 404d704158d068c9b1f066ec647461f0f9ec22cd 
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.server.hdmi;
18
19import android.hardware.hdmi.HdmiCecMessage;
20import android.util.Slog;
21
22/**
23 * Feature action to handle <Request ARC Termination>.
24 *
25 * <p>It's initiated by user's manual termination or ARC channel close from TV.
26 */
27final class RequestArcTerminationAction extends RequestArcAction {
28    private static final String TAG = "RequestArcTerminationAction";
29
30    /**
31     * @Constructor
32     *
33     * @see RequestArcAction#RequestArcAction
34     */
35    RequestArcTerminationAction(HdmiControlService service, int sourceAddress, int avrAddress) {
36        super(service, sourceAddress, avrAddress);
37    }
38
39    @Override
40    boolean start() {
41        HdmiCecMessage command =
42                HdmiCecMessageBuilder.buildRequestArcTermination(mSourceAddress, mAvrAddress);
43        sendCommand(command, new HdmiControlService.SendMessageCallback() {
44            @Override
45            public void onSendCompleted(int error) {
46                if (error == 0) {
47                    mState = STATE_WATING_FOR_REQUEST_ARC_REQUEST_RESPONSE;
48                    addTimer(mState, TIMEOUT_MS);
49                } else {
50                    Slog.w(TAG, "Failed to send <Request ARC Initiation>");
51                    // If failed to send <Request ARC Termination>, start "Disabled" ARC
52                    // transmission action.
53                    disableArcTransmission();
54                    finish();
55                }
56            }
57        });
58        return true;
59    }
60}
61