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      1 /*
      2  * Copyright (C) 2016 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.googlecode.android_scripting.facade.media;
     18 
     19 import android.content.Intent;
     20 import android.media.session.MediaSession;
     21 import android.os.Bundle;
     22 import android.view.KeyEvent;
     23 
     24 import com.googlecode.android_scripting.Log;
     25 import com.googlecode.android_scripting.facade.EventFacade;
     26 
     27 public class MediaButtonCallback extends MediaSession.Callback {
     28     private final EventFacade mEventFacade;
     29     public MediaButtonCallback(EventFacade eventFacade) {
     30         this.mEventFacade = eventFacade;
     31     }
     32     private void handleKeyEvent(KeyEvent event) {
     33         int keyCode = event.getKeyCode();
     34         Log.d("Received ACTION_DOWN with keycode " + keyCode);
     35         Bundle msg = new Bundle();
     36         if (keyCode == KeyEvent.KEYCODE_MEDIA_PLAY) {
     37             msg.putString("ButtonPressed", "Play");
     38         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_PAUSE) {
     39             msg.putString("ButtonPressed", "Pause");
     40         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE) {
     41             msg.putString("ButtonPressed", "PlayPause");
     42         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_STOP) {
     43             msg.putString("ButtonPressed", "Stop");
     44         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_NEXT) {
     45             msg.putString("ButtonPressed", "Next");
     46         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_PREVIOUS) {
     47             msg.putString("ButtonPressed", "Previous");
     48         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_FAST_FORWARD) {
     49             msg.putString("ButtonPressed", "Forward");
     50         } else if (keyCode == KeyEvent.KEYCODE_MEDIA_REWIND) {
     51             msg.putString("ButtonPressed", "Rewind");
     52         }
     53         Log.d("Sending MediaButton event with ButtonPressed value "
     54               + msg.getString("ButtonPressed"));
     55         this.mEventFacade.postEvent("MediaButton", msg);
     56     }
     57 
     58     @Override
     59     public boolean onMediaButtonEvent(Intent mediaButtonIntent) {
     60         String action = mediaButtonIntent.getAction();
     61         Log.d("Received intent with action " + action);
     62         if (action.equals(Intent.ACTION_MEDIA_BUTTON)) {
     63             KeyEvent event = (KeyEvent) mediaButtonIntent
     64                                         .getParcelableExtra(Intent.EXTRA_KEY_EVENT);
     65             int keyAction = event.getAction();
     66             Log.d("Received KeyEvent with action " + keyAction);
     67             if (keyAction == KeyEvent.ACTION_DOWN) {
     68                 handleKeyEvent(event);
     69             } else if (keyAction == KeyEvent.ACTION_UP) {
     70                 handleKeyEvent(event);
     71             }
     72             return true;
     73         }
     74         return super.onMediaButtonEvent(mediaButtonIntent);
     75     }
     76 }