Add scan percentages (fixes #1030)

gui/syncthing/core/syncthingController.js

@@ -48,6 +48,7 @@ angular.module('syncthing.core')
         $scope.failedCurrentPage = 1;
         $scope.failedCurrentFolder = undefined;
         $scope.failedPageSize = 10;
+        $scope.scanProgress = {};
 
         $scope.localStateTotal = {
             bytes: 0,
@@ -163,6 +164,12 @@ angular.module('syncthing.core')
                 if (data.to === 'syncing') {
                     $scope.failed[data.folder] = [];
                 }
+
+                // If a folder has started scanning, then any scan progress is
+                // also obsolete.
+                if (data.to === 'scanning') {
+                    delete $scope.scanProgress[data.folder];
+                }
             }
         });
 
@@ -310,6 +317,15 @@ angular.module('syncthing.core')
             $scope.failed[data.folder] = data.errors;
         });
 
+        $scope.$on(Events.FOLDER_SCAN_PROGRESS, function (event, arg) {
+            var data = arg.data;
+            $scope.scanProgress[data.folder] = {
+                current: data.current,
+                total: data.total
+            };
+            console.log("FolderScanProgress", data);
+        });
+
         $scope.emitHTTPError = function (data, status, headers, config) {
             $scope.$emit('HTTPError', {data: data, status: status, headers: headers, config: config});
         };
@@ -634,6 +650,14 @@ angular.module('syncthing.core')
             return Math.floor(pct);
         };
 
+        $scope.scanPercentage = function (folder) {
+            if (!$scope.scanProgress[folder]) {
+                return undefined;
+            }
+            var pct = 100 * $scope.scanProgress[folder].current / $scope.scanProgress[folder].total;
+            return Math.floor(pct);
+        }
+
         $scope.deviceStatus = function (deviceCfg) {
             if ($scope.deviceFolders(deviceCfg).length === 0) {
                 return 'unused';