Android Open Source - PlayerHater Receiver

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License

The source code is released under:
Apache License
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Java Source Code

/*******************************************************************************
 * Copyright 2013 Chris Rhoden, Rebecca Nesson, Public Radio Exchange
 * /* w ww.  j  a v  a  2s. co  m*/
 * 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 org.prx.playerhater.broadcast;

import org.prx.playerhater.PlayerHater;
import org.prx.playerhater.ipc.IPlayerHaterServer;

import android.annotation.SuppressLint;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.view.KeyEvent;

public class Receiver extends BroadcastReceiver implements
    RemoteControlButtonReceiver {

  private static final HeadphoneButtonGestureHelper sGestureHelper = new HeadphoneButtonGestureHelper();
  public static final String REMOTE_CONTROL_BUTTON = "org.prx.playerhater.REMOTE_CONTROL";
  
  public Receiver() {
    super();
    sGestureHelper.setReceiver(this);
  }

  @Override
  @SuppressLint("InlinedApi")
  public void onRemoteControlButtonPressed(int keyCode, Context context) {
    sendKeyCode(context, keyCode, keyCode != KeyEvent.KEYCODE_MEDIA_PAUSE);
  }

  @Override
  @SuppressLint("InlinedApi")
  public void onReceive(Context context, Intent intent) {
    int keyCode = -1;
    if (intent.getAction() != null) {
      if (intent.getIntExtra("state", 0) == 0) {
        if (intent.getAction().equals(Intent.ACTION_HEADSET_PLUG)) {
          keyCode = KeyEvent.KEYCODE_MEDIA_PAUSE;
        } else if (intent.getAction().equals(
            AudioManager.ACTION_AUDIO_BECOMING_NOISY)) {
          keyCode = KeyEvent.KEYCODE_MEDIA_PAUSE;
        }
      }
      if (intent.getAction().equals(Intent.ACTION_MEDIA_BUTTON)) {
        KeyEvent event = (KeyEvent) intent
            .getParcelableExtra(Intent.EXTRA_KEY_EVENT);

        if (event.getAction() == KeyEvent.ACTION_DOWN) {
          return;
        }

        keyCode = event.getKeyCode();

        if (KeyEvent.KEYCODE_HEADSETHOOK == keyCode) {
          sGestureHelper.onHeadsetButtonPressed(event.getEventTime(),
              context);
        }
      }

      if (keyCode != -1) {
        boolean autoStart = keyCode != KeyEvent.KEYCODE_MEDIA_PAUSE
            && keyCode != KeyEvent.KEYCODE_MEDIA_STOP;
        sendKeyCode(context, keyCode, autoStart);
      }
    }
  }

  private IPlayerHaterServer getService(Context context) {
    Intent intent = PlayerHater.buildServiceIntent(context);
    return IPlayerHaterServer.Stub
        .asInterface(peekService(context, intent));
  }

  private void sendKeyCode(Context context, int keyCode,
      boolean startIfNecessary) {
    if (getService(context) != null) {
      try {
        getService(context).onRemoteControlButtonPressed(keyCode);
      } catch (Exception e) {
        if (startIfNecessary && context != null) {
          Intent intent = context
              .getPackageManager()
              .getLaunchIntentForPackage(context.getPackageName());
          intent.putExtra(REMOTE_CONTROL_BUTTON, keyCode);
          context.startActivity(intent);
        }
      }

    } else if (startIfNecessary && context != null) {
      Intent intent = new Intent(PlayerHater.buildServiceIntent(context));
      intent.putExtra(REMOTE_CONTROL_BUTTON, keyCode);
      context.startService(intent);
    }
  }

}
Java Source Code List
