| /* |
| * Copyright (C) 2020 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; |
| |
| /** |
| * Action that sends {@code <Active Source>} to make this device the currently active source. |
| * |
| * Playback devices will also send {@code <Report Menu Status>} to make them a target for {@code |
| * <User Control Pressed>} messages. |
| */ |
| public class ActiveSourceAction extends HdmiCecFeatureAction { |
| |
| private static final int STATE_STARTED = 1; |
| private static final int STATE_FINISHED = 2; |
| |
| private final int mDestination; |
| |
| ActiveSourceAction(HdmiCecLocalDevice source, int destination) { |
| super(source); |
| mDestination = destination; |
| } |
| |
| @Override |
| boolean start() { |
| mState = STATE_STARTED; |
| sendCommand(HdmiCecMessageBuilder.buildActiveSource(getSourceAddress(), |
| source().mService.getPhysicalAddress())); |
| |
| if (source().getType() == HdmiDeviceInfo.DEVICE_PLAYBACK) { |
| // Reports menu-status active to receive <User Control Pressed>. |
| sendCommand( |
| HdmiCecMessageBuilder.buildReportMenuStatus(getSourceAddress(), mDestination, |
| Constants.MENU_STATE_ACTIVATED)); |
| } |
| mState = STATE_FINISHED; |
| finish(); |
| return true; |
| } |
| |
| @Override |
| boolean processCommand(HdmiCecMessage cmd) { |
| return false; |
| } |
| |
| @Override |
| void handleTimerEvent(int state) { |
| // No response expected |
| } |
| } |