in-tree extjs-upload-widget

orun/extjs/static/extjs-upload-widget/lib/upload/data/Connection.js

@@ -0,0 +1,32 @@
+/**
+ * Modified Ext.data.Connection object, adapted to be able to report progress.
+ */
+Ext.define('Ext.ux.upload.data.Connection', {
+    extend : 'Ext.data.Connection',
+
+    /**
+     * @cfg {Function}
+     * 
+     * Callback fired when a progress event occurs (xhr.upload.onprogress).
+     */
+    progressCallback : null,
+
+    request : function(options) {
+        var progressCallback = options.progress;
+        if (progressCallback) {
+            this.progressCallback = progressCallback;
+        }
+
+        this.callParent(arguments);
+    },
+
+    getXhrInstance : function() {
+        var xhr = this.callParent(arguments);
+
+        if (this.progressCallback) {
+            xhr.upload.onprogress = this.progressCallback;
+        }
+
+        return xhr;
+    }
+});