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Optimize accelerometer for plugin manager.

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This commit is contained in:
Bryce Curtis
2010-09-08 17:09:22 -05:00
parent 4f360c2680
commit 3c9bae3402
2 changed files with 51 additions and 79 deletions
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framework/assets/js/accelerometer.js
+29 -31
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@@ -1,23 +1,22 @@
com.phonegap.AccelListenerProxy = function() {
this.className = "com.phonegap.AccelListener";
this.status = -1; // not set yet
};
com.phonegap.AccelListenerProxy.prototype.getStatus = function() {
return PhoneGap.exec(this.className, "getStatus", []);
if (this.status == -1) { // if not set, then request status
this.status = PhoneGap.exec(this.className, "getStatus", []);
}
return this.status;
};
com.phonegap.AccelListenerProxy.prototype.onStatus = function(status) {
console.log("AccelListener.onStatus("+status+")");
this.status = status;
};
com.phonegap.AccelListenerProxy.prototype.getAcceleration = function() {
var r = PhoneGap.exec(this.className, "getAcceleration", []);
var a = new Acceleration(r.x,r.y,r.z);
return a;
};
com.phonegap.AccelListenerProxy.prototype.getX = function() {
return PhoneGap.exec(this.className, "getX", []);
};
com.phonegap.AccelListenerProxy.prototype.getY = function() {
return PhoneGap.exec(this.className, "getY", []);
};
com.phonegap.AccelListenerProxy.prototype.getZ = function() {
return PhoneGap.exec(this.className, "getZ", []);
};
com.phonegap.AccelListenerProxy.prototype.start = function() {
return PhoneGap.exec(this.className, "start", []);
};
@@ -97,35 +96,34 @@ Accelerometer.prototype.getCurrentAcceleration = function(successCallback, error
}
// If not running, then start it
else {
else if (status >= 0) {
com.phonegap.AccelListener.start();
// Wait until started
var timer = setInterval(function() {
var status = com.phonegap.AccelListener.getStatus();
if (status != Accelerometer.STARTING) {
// If accelerometer is running
if (status == Accelerometer.RUNNING) {
clearInterval(timer);
// If accelerometer is running
if (status == Accelerometer.RUNNING) {
try {
var accel = com.phonegap.AccelListener.getAcceleration();
successCallback(accel);
} catch (e) {
console.log("Accelerometer Error in successCallback: " + e);
}
try {
var accel = com.phonegap.AccelListener.getAcceleration();
successCallback(accel);
} catch (e) {
console.log("Accelerometer Error in successCallback: " + e);
}
}
// If accelerometer error
else {
console.log("Accelerometer Error: "+ Accelerometer.ERROR_MSG[status]);
try {
if (errorCallback) {
errorCallback(status);
}
} catch (e) {
console.log("Accelerometer Error in errorCallback: " + e);
// If accelerometer error
else if (status == Accelerometer.ERROR_FAILED_TO_START) {
clearInterval(timer);
console.log("Accelerometer Error: "+ Accelerometer.ERROR_MSG[status]);
try {
if (errorCallback) {
errorCallback(status);
}
} catch (e) {
console.log("Accelerometer Error in errorCallback: " + e);
}
}
}, 10);
@@ -181,7 +179,7 @@ Accelerometer.prototype.watchAcceleration = function(successCallback, errorCallb
}
// If accelerometer had error
else if (status != Accelerometer.STARTING) {
else if (status == Accelerometer.ERROR_FAILED_TO_START) {
console.log("Accelerometer Error: "+ Accelerometer.ERROR_MSG[status]);
try {
navigator.accelerometer.clearWatch(id);