1 files changed, 70 insertions, 0 deletions
diff --git a/www/wiki/extensions/UploadWizard/resources/handlers/mw.ApiUploadFormDataHandler.js b/www/wiki/extensions/UploadWizard/resources/handlers/mw.ApiUploadFormDataHandler.js
new file mode 100644
index 00000000..1d60a6d8
--- /dev/null
+++ b/www/wiki/extensions/UploadWizard/resources/handlers/mw.ApiUploadFormDataHandler.js
@@ -0,0 +1,70 @@
+( function ( mw, OO ) {
+	/**
+	 * Represents an object which configures an html5 FormData object to upload.
+	 * Large files are uploaded in chunks.
+	 *
+	 * @param {mw.UploadWizardUpload} upload
+	 * @param {mw.Api} api
+	 */
+	mw.ApiUploadFormDataHandler = function ( upload, api ) {
+		mw.ApiUploadHandler.call( this, upload, api );
+
+		this.formData = {
+			action: 'upload',
+			stash: 1,
+			format: 'json'
+		};
+
+		this.transport = new mw.FormDataTransport(
+			this.api,
+			this.formData
+		).on( 'update-stage', function ( stage ) {
+			upload.ui.setStatus( 'mwe-upwiz-' + stage );
+		} );
+	};
+
+	OO.inheritClass( mw.ApiUploadFormDataHandler, mw.ApiUploadHandler );
+
+	mw.ApiUploadFormDataHandler.prototype.abort = function () {
+		this.transport.abort();
+	};
+
+	/**
+	 * @return {jQuery.Promise}
+	 */
+	mw.ApiUploadFormDataHandler.prototype.submit = function () {
+		var handler = this;
+
+		return this.configureEditToken().then( function () {
+			handler.beginTime = ( new Date() ).getTime();
+			handler.upload.ui.setStatus( 'mwe-upwiz-transport-started' );
+			handler.upload.ui.showTransportProgress();
+
+			return handler.transport.upload( handler.upload.file, handler.upload.title.getMainText() )
+				.progress( function ( fraction ) {
+					if ( handler.upload.state === 'aborted' ) {
+						handler.abort();
+						return;
+					}
+
+					if ( fraction !== null ) {
+						handler.upload.setTransportProgress( fraction );
+					}
+				} );
+		} );
+	};
+
+	/**
+	 * Obtain a fresh edit token.
+	 * If successful, store token and call a callback.
+	 *
+	 * @return {jQuery.Promise}
+	 */
+	mw.ApiUploadFormDataHandler.prototype.configureEditToken = function () {
+		var handler = this;
+
+		return this.api.getEditToken().then( function ( token ) {
+			handler.formData.token = token;
+		} );
+	};
+}( mediaWiki, OO ) );