Properly hide progress bar after error

Whenever an error occurs, also hide the progress bar.

The logic was also adjusted to properly detect uploads that are pending
deletion, in which case the progress bar can already be hidden.

Signed-off-by: Vincent Petry <vincent@nextcloud.com>

apps/files/js/file-upload.js

@@ -323,7 +323,6 @@ OC.FileUpload.prototype = {
 	},
 
 	_delete: function() {
-		var self = this;
 		if (this.data.isChunked) {
 			this._deleteChunkFolder()
 		}
@@ -334,7 +333,6 @@ OC.FileUpload.prototype = {
 	 * Abort the upload
 	 */
 	abort: function() {
-		var self = this;
 		if (this.aborted) {
 			return
 		}
@@ -691,11 +689,24 @@ OC.Uploader.prototype = _.extend({
 		// the upload info there still
 		var self = this;
 		var uploadId = upload.data.uploadId;
+		// mark as deleted for the progress bar
+		this._uploads[uploadId].deleted = true;
 		window.setTimeout(function() {
 			delete self._uploads[uploadId];
 		}, 5000)
 	},
 
+	_activeUploadCount: function() {
+		var count = 0;
+		for (var key in this._uploads) {
+			if (!this._uploads[key].deleted) {
+				count++;
+			}
+		}
+
+		return count;
+	},
+
 	showUploadCancelMessage: _.debounce(function() {
 		OC.Notification.show(t('files', 'Upload cancelled.'), {timeout : 7, type: 'error'});
 	}, 500),
@@ -1321,9 +1332,9 @@ OC.Uploader.prototype = _.extend({
 
 					self._pendingUploadDoneCount++;
 
-					upload.done().then(function() {
+					upload.done().always(function() {
 						self._pendingUploadDoneCount--;
-						if (Object.keys(self._uploads).length === 0 && self._pendingUploadDoneCount === 0) {
+						if (self._activeUploadCount() === 0 && self._pendingUploadDoneCount === 0) {
 							// All the uploads ended and there is no pending
 							// operation, so hide the progress bar.
 							// Note that this happens here only with chunked
@@ -1337,7 +1348,7 @@ OC.Uploader.prototype = _.extend({
 							// hides the progress bar in that case).
 							self._hideProgressBar();
 						}
-
+					}).done(function() {
 						self.trigger('done', e, upload);
 					}).fail(function(status, response) {
 						if (upload.aborted) {