/**

* HeadsetWatcher plugin for Cordova/Phonegap

* MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.

*

* Copyright (c) Triggertrap Ltd. 2012

*

*/

package com.triggertrap;

import org.apache.cordova.api.Plugin;

import org.apache.cordova.api.PluginResult;

import org.apache.cordova.api.PluginResult.Status;

import org.json.JSONArray;

import org.json.JSONObject;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.util.Log;

public class HeadsetWatcher extends Plugin {

private String callback;

public HeadsetBroadcastReceiver headsetReceiver;

@Override

public PluginResult execute(String action, JSONArray data, String callbackId) {

this.callback = callbackId;

headsetReceiver = new HeadsetBroadcastReceiver(this);

PluginResult result = new PluginResult(Status.NO_RESULT);

this.cordova.getActivity().registerReceiver(headsetReceiver, new IntentFilter(Intent.ACTION_HEADSET_PLUG));

result.setKeepCallback(true);

return result;

}

public void changed(int state) {

JSONObject status = new JSONObject();

try {

status.put("plugged", state == 1 ? true : false);

} catch (Exception ex) {

Log.e("Headset", "JSON error " + ex.toString());

return;

}

PluginResult result = new PluginResult(PluginResult.Status.OK, status);

result.setKeepCallback(true);

this.success(result, this.callback);

}

public class HeadsetBroadcastReceiver extends BroadcastReceiver

{

protected HeadsetWatcher watcher;

public HeadsetBroadcastReceiver(HeadsetWatcher watcher) {

super();

this.watcher = watcher;

}

@Override

public void onReceive(Context context, Intent intent) {

String action = intent.getAction();

Log.d("ACTION_HEADSET_PLUG Received", action);

if( (action.compareTo(Intent.ACTION_HEADSET_PLUG)) == 0) {

int headsetState = intent.getIntExtra("state", 0);

watcher.changed(headsetState);

}

}

}

}