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      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 
     17 package com.android.server.hdmi;
     18 
     19 import static android.hardware.hdmi.HdmiControlManager.ONE_TOUCH_RECORD_CHECK_RECORDER_CONNECTION;
     20 import static android.hardware.hdmi.HdmiControlManager.ONE_TOUCH_RECORD_RECORDING_ANALOGUE_SERVICE;
     21 import static android.hardware.hdmi.HdmiControlManager.ONE_TOUCH_RECORD_RECORDING_CURRENTLY_SELECTED_SOURCE;
     22 import static android.hardware.hdmi.HdmiControlManager.ONE_TOUCH_RECORD_RECORDING_DIGITAL_SERVICE;
     23 import static android.hardware.hdmi.HdmiControlManager.ONE_TOUCH_RECORD_RECORDING_EXTERNAL_INPUT;
     24 
     25 import android.hardware.tv.cec.V1_0.SendMessageResult;
     26 import android.util.Slog;
     27 import com.android.server.hdmi.HdmiControlService.SendMessageCallback;
     28 
     29 /**
     30  * Feature action that performs one touch record.
     31  */
     32 public class OneTouchRecordAction extends HdmiCecFeatureAction {
     33     private static final String TAG = "OneTouchRecordAction";
     34 
     35     // Timer out for waiting <Record Status> 120s
     36     private static final int RECORD_STATUS_TIMEOUT_MS = 120000;
     37 
     38     // State that waits for <Record Status> once sending <Record On>
     39     private static final int STATE_WAITING_FOR_RECORD_STATUS = 1;
     40     // State that describes recording in progress.
     41     private static final int STATE_RECORDING_IN_PROGRESS = 2;
     42 
     43     private final int mRecorderAddress;
     44     private final byte[] mRecordSource;
     45 
     46     OneTouchRecordAction(HdmiCecLocalDevice source, int recorderAddress, byte[] recordSource) {
     47         super(source);
     48         mRecorderAddress = recorderAddress;
     49         mRecordSource = recordSource;
     50     }
     51 
     52     @Override
     53     boolean start() {
     54         sendRecordOn();
     55         return true;
     56     }
     57 
     58     private void sendRecordOn() {
     59         sendCommand(HdmiCecMessageBuilder.buildRecordOn(getSourceAddress(), mRecorderAddress,
     60                 mRecordSource),
     61                 new SendMessageCallback() {
     62                 @Override
     63                     public void onSendCompleted(int error) {
     64                         // if failed to send <Record On>, display error message and finish action.
     65                         if (error != SendMessageResult.SUCCESS) {
     66                             tv().announceOneTouchRecordResult(
     67                                     mRecorderAddress,
     68                                     ONE_TOUCH_RECORD_CHECK_RECORDER_CONNECTION);
     69                             finish();
     70                             return;
     71                         }
     72                     }
     73                 });
     74         mState = STATE_WAITING_FOR_RECORD_STATUS;
     75         addTimer(mState, RECORD_STATUS_TIMEOUT_MS);
     76     }
     77 
     78     @Override
     79     boolean processCommand(HdmiCecMessage cmd) {
     80         if (mState != STATE_WAITING_FOR_RECORD_STATUS || mRecorderAddress != cmd.getSource()) {
     81             return false;
     82         }
     83 
     84         switch (cmd.getOpcode()) {
     85             case Constants.MESSAGE_RECORD_STATUS:
     86                 return handleRecordStatus(cmd);
     87         }
     88         return false;
     89     }
     90 
     91     private boolean handleRecordStatus(HdmiCecMessage cmd) {
     92         // Only handle message coming from original recorder.
     93         if (cmd.getSource() != mRecorderAddress) {
     94             return false;
     95         }
     96 
     97         int recordStatus = cmd.getParams()[0];
     98         tv().announceOneTouchRecordResult(mRecorderAddress, recordStatus);
     99         Slog.i(TAG, "Got record status:" + recordStatus + " from " + cmd.getSource());
    100 
    101         // If recording started successfully, change state and keep this action until <Record Off>
    102         // received. Otherwise, finish action.
    103         switch (recordStatus) {
    104             case ONE_TOUCH_RECORD_RECORDING_CURRENTLY_SELECTED_SOURCE:
    105             case ONE_TOUCH_RECORD_RECORDING_DIGITAL_SERVICE:
    106             case ONE_TOUCH_RECORD_RECORDING_ANALOGUE_SERVICE:
    107             case ONE_TOUCH_RECORD_RECORDING_EXTERNAL_INPUT:
    108                 mState = STATE_RECORDING_IN_PROGRESS;
    109                 mActionTimer.clearTimerMessage();
    110                 break;
    111             default:
    112                 finish();
    113                 break;
    114         }
    115         return true;
    116     }
    117 
    118     @Override
    119     void handleTimerEvent(int state) {
    120         if (mState != state) {
    121             Slog.w(TAG, "Timeout in invalid state:[Expected:" + mState + ", Actual:" + state + "]");
    122             return;
    123         }
    124 
    125         tv().announceOneTouchRecordResult(mRecorderAddress,
    126                 ONE_TOUCH_RECORD_CHECK_RECORDER_CONNECTION);
    127         finish();
    128     }
    129 
    130     int getRecorderAddress() {
    131         return mRecorderAddress;
    132     }
    133 }
    134