JS-493: Double click doesn't work on mobile

Author: anastasiiabuniak

lib/web/magnifier/magnify.js

@@ -611,8 +611,17 @@ define([
                 }
             }
 
-            $image.unbind('dblclick');
-            $image.dblclick(dblClickHandler);
+            if (isTouchEnabled) {
+                $image.off('tap');
+                $image.on('tap', function (e) {
+                    if (e.originalEvent.originalEvent.touches.length === 0) {
+                        detectDoubleTap(e);
+                    }
+                });
+            } else {
+                $image.unbind('dblclick');
+                $image.dblclick(dblClickHandler);
+            }
 
             if (gallery.fullScreen) {
                 toggleZoomButtons($image, isTouchEnabled, checkForVideo(fotorama.activeFrame.$stageFrame));
@@ -781,13 +790,6 @@ define([
                 }
             });
 
-            isTouchEnabled && $image.off('tap');
-            isTouchEnabled && $image.on('tap', function (e) {
-                if (e.originalEvent.originalEvent.touches.length === 0) {
-                    detectDoubleTap(e);
-                }
-            });
-
             $(window).resize(function () {
                 toggleZoomButtons($image, isTouchEnabled, checkForVideo(fotorama.activeFrame.$stageFrame));
                 calculateMinSize($image);
@@ -930,13 +932,19 @@ define([
                 })
                 .on('fotorama:fullscreenenter fotorama:showend', function (e, fotorama) {
                     hideMagnifier();
-                    resetVars($(fullscreenImageSelector));
+
+                    if (!$(fullscreenImageSelector).is($prevImage)) {
+                        resetVars($(fullscreenImageSelector));
+                    }
                     magnifierFullscreen(fotorama);
                     mousewheel(e, fotorama, element);
 
                     if ($prevImage) {
                         calculateMinSize($prevImage);
-                        resetVars($prevImage);
+
+                        if (!$(fullscreenImageSelector).is($prevImage)) {
+                            resetVars($prevImage);
+                        }
                     }
 
                     toggleStandartNavigation();
@@ -948,9 +956,8 @@ define([
                     magnifierFullscreen(fotorama);
                 })
                 .on('fotorama:show', function (e, fotorama) {
-                    $prevImage = $(fullscreenImageSelector);
+                    $prevImage = _.clone($(fullscreenImageSelector));
                     hideMagnifier();
-                    resetVars($(fullscreenImageSelector));
                 })
                 .on('fotorama:fullscreenexit', function (e, fotorama) {
                     resetVars($(fullscreenImageSelector));