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Initial Commit - Fixing Accelerometer

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This commit is contained in:
Joe Bowser
2010-04-28 15:46:15 -07:00
parent 36e90c9e22
commit 64671184a6
4 changed files with 77 additions and 29 deletions
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framework/assets/js/accelerometer.js
+34 -22
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@@ -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() {