Initial Commit - Fixing Accelerometer

framework/assets/js/accelerometer.js

@@ -4,20 +4,11 @@ function Acceleration(x, y, z)
   this.y = y;
   this.z = z;
   this.timestamp = new Date().getTime();
+  this.win = null;
+  this.fail = null;
 }
 
-// Need to define these for android
-_accel = {};
-_accel.x = 0;
-_accel.y = 0;
-_accel.z = 0;
-
-function gotAccel(x, y, z)
-{
-	_accel.x = x;
-	_accel.y = y;
-	_accel.z = z;
-}
+var accelListeners = [];
 
 /**
  * This class provides access to device accelerometer data.
@@ -45,12 +36,29 @@ Accelerometer.prototype.getCurrentAcceleration = function(successCallback, error
 
 	// Created for iPhone, Iphone passes back _accel obj litteral
 	if (typeof successCallback == "function") {
-		var accel = new Acceleration(_accel.x,_accel.y,_accel.z);
-		Accelerometer.lastAcceleration = accel;
-		successCallback(accel);
+		if(this.lastAcceleration)
+		  successCallback(accel);
 	}
 }
 
+
+Accelerometer.prototype.gotAccel = function(key, x, y, z)
+{
+    var a = Acceleration(x,y,z);
+    a.x = x;
+    a.y = y;
+    a.x = z;
+    a.win = accelListener[key].win;
+    a.fail = accelListener[key].fail;
+    this.timestamp = new Date().getTime();
+    this.lastAcceleration = a;
+    accelListener[key] = a;
+    if (typeof a.win == "function") {
+      a.win(a);
+    }
+}
+
+
 /**
  * Asynchronously aquires the acceleration repeatedly at a given interval.
  * @param {Function} successCallback The function to call each time the acceleration
@@ -64,11 +72,12 @@ Accelerometer.prototype.getCurrentAcceleration = function(successCallback, error
 Accelerometer.prototype.watchAcceleration = function(successCallback, errorCallback, options) {
 	// TODO: add the interval id to a list so we can clear all watches
  	var frequency = (options != undefined)? options.frequency : 10000;
-	
-	Accel.start(frequency);
-	return setInterval(function() {
-		navigator.accelerometer.getCurrentAcceleration(successCallback, errorCallback, options);
-	}, frequency);
+  var accel = Acceleration(0,0,0);
+  accel.win = successCallback;
+  accel.fail = errorCallback;
+  accel.opts = options;
+  var key = accelListeners.push( accel ) - 1;
+  Accel.start(frequency, key);
 }
 
 /**
@@ -76,8 +85,11 @@ Accelerometer.prototype.watchAcceleration = function(successCallback, errorCallb
  * @param {String} watchId The ID of the watch returned from #watchAcceleration.
  */
 Accelerometer.prototype.clearWatch = function(watchId) {
-	Accel.stop();
-	clearInterval(watchId);
+	Accel.stop(watchId);
+}
+
+Accelerometer.prototype.epicFail = function(watchId, message) {
+  accelWatcher[key].fail();
 }
 
 PhoneGap.addConstructor(function() {

framework/src/com/phonegap/AccelBroker.java

@@ -0,0 +1,33 @@
+package com.phonegap;
+
+import java.util.HashMap;
+
+import android.content.Context;
+import android.webkit.WebView;
+
+public class AccelBroker {
+    private WebView mAppView;
+	private Context mCtx;
+	private HashMap<String, AccelListener> accelListeners;
+	
+	public AccelBroker(WebView view, Context ctx)
+	{
+		mCtx = ctx;
+		mAppView = view;
+		accelListeners = new HashMap<String, AccelListener>();
+	}
+	
+	public String start(int freq, String key)
+	{
+		AccelListener listener = new AccelListener(key, freq, mCtx, mAppView);
+		accelListeners.put(key, listener);
+		return key;
+	}
+	
+	public void stop(String key)
+	{
+		AccelListener acc = accelListeners.get(key);
+		acc.stop();
+	}
+
+}

framework/src/com/phonegap/AccelListener.java

@@ -15,7 +15,7 @@ public class AccelListener implements SensorEventListener{
 	WebView mAppView;
 	Context mCtx;
 	String mKey;
-	Sensor mSensor;	
+	Sensor mSensor;
 	int mTime = 10000;
 	boolean started = false;
 	
@@ -23,10 +23,12 @@ public class AccelListener implements SensorEventListener{
 	
 	private long lastUpdate = -1;
 	
-	public AccelListener(Context ctx, WebView appView)
+	public AccelListener(String key, int freq, Context ctx, WebView appView)
 	{
 		mCtx = ctx;
 		mAppView = appView;		
+		mKey = key;
+		mTime = freq;
 		sensorManager = (SensorManager) mCtx.getSystemService(Context.SENSOR_SERVICE);
 		
 	}
@@ -42,7 +44,7 @@ public class AccelListener implements SensorEventListener{
 		}
 		else
 		{
-			// Call fail
+			mAppView.loadUrl("javascript:navigator.accelerometer.epicFail(" + mKey + ", 'Failed to start')");
 		}
 	}
 	
@@ -68,8 +70,9 @@ public class AccelListener implements SensorEventListener{
 				
 			float x = event.values[0];
 			float y = event.values[1];
-			float z = event.values[2];
-			mAppView.loadUrl("javascript:gotAccel(" + x +  ", " + y + "," + z + " )");
+			float z = event.values[2];			
+			//mAppView.loadUrl("javascript:gotAccel(" + x +  ", " + y + "," + z + " )");
+			mAppView.loadUrl("javascript:navigator.accelerometer.gotAccel(" +  mKey + "," + x + "," + y + "," + z + ")");
 		}		
 	}
 	

framework/src/com/phonegap/DroidGap.java

@@ -55,7 +55,7 @@ public class DroidGap extends Activity {
 	
 	private PhoneGap gap;
 	private GeoBroker geo;
-	private AccelListener accel;
+	private AccelBroker accel;
 	private CameraLauncher launcher;
 	private ContactManager mContacts;
 	private FileUtils fs;
@@ -135,7 +135,7 @@ public class DroidGap extends Activity {
     {
     	gap = new PhoneGap(this, appView);
     	geo = new GeoBroker(appView, this);
-    	accel = new AccelListener(this, appView);
+    	accel = new AccelBroker(appView, this);
     	launcher = new CameraLauncher(appView, this);
     	mContacts = new ContactManager(this, appView);
     	fs = new FileUtils(appView);