Disable image dragging

web/static/js/right-click.js

@@ -4,6 +4,7 @@ document.addEventListener('DOMContentLoaded', () => {
         $button = $modal.querySelector("button"),
         cls = 'is-active';
 
+    // Disable context menu on all images.
     (document.querySelectorAll('img, video') || []).forEach(node => {
         node.addEventListener('contextmenu', (e) => {
             $modal.classList.add(cls);
@@ -11,6 +12,15 @@ document.addEventListener('DOMContentLoaded', () => {
         });
     });
 
+    // Make images not draggable.
+    (document.querySelectorAll('img') || []).forEach(node => {
+        node.addEventListener('dragstart', (e) => {
+            e.preventDefault();
+            return false;
+        });
+        node.setAttribute("draggable", "false");
+    });
+
     $button.addEventListener('click', () => {
         $modal.classList.remove(cls);
     });