piskel/js/service/ImageUploadService.js

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JavaScript
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2013-09-07 19:50:43 +04:00
(function () {
var ns = $.namespace("pskl.service");
ns.ImageUploadService = function () {
this.serviceUrl_ = "http://screenletstore.appspot.com/__/upload";
};
ns.ImageUploadService.prototype.init = function () {
// service interface
};
/**
* Upload a base64 image data to distant service. If successful, will call provided callback with the image URL as first argument;
* @param {String} imageData base64 image data (such as the return value of canvas.toDataUrl())
* @param {Function} cbSuccess success callback. 1st argument will be the uploaded image URL
* @param {Function} cbError error callback
*/
ns.ImageUploadService.prototype.upload = function (imageData, cbSuccess, cbError) {
var xhr = new XMLHttpRequest();
var formData = new FormData();
formData.append('data', imageData);
xhr.open('POST', this.serviceUrl_, true);
xhr.onload = function (e) {
if (this.status == 200) {
var imageUrl = "http://screenletstore.appspot.com/img/" + this.responseText;
cbSuccess(imageUrl);
} else {
cbError();
}
};
xhr.send(formData);
};
})();