[iOS] Disable Edit and Move actions on Bookmark Context Menus

When an enterprise policy disallows editing bookmarks, or a given node,
disable the Edit and Move context menu actions.

Bug: 1128028
Change-Id: Idd26a17b7201e2ffb5f67cbeb2cafd17ab577f2f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2410824Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Sebastien Lalancette <seblalancette@chromium.org>
Auto-Submit: Sebastien Lalancette <seblalancette@chromium.org>
Cr-Commit-Position: refs/heads/master@{#806740}

ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller.mm

@@ -2210,6 +2210,11 @@ std::vector<GURL> GetUrlsToOpen(const std::vector<const BookmarkNode*>& nodes) {
   }
 
   const BookmarkNode* node = [self nodeAtIndexPath:indexPath];
+
+  // Disable the edit and move menu options if the node is not editable by user,
+  // or if editing bookmarks is not allowed.
+  BOOL canEditNode =
+      [self isEditBookmarksEnabled] && [self isNodeEditableByUser:node];
   UIContextMenuActionProvider actionProvider;
 
   // TODO (crbug.com/1093302): Add more actions for Bookmark URL and Folder.
@@ -2247,9 +2252,13 @@ std::vector<GURL> GetUrlsToOpen(const std::vector<const BookmarkNode*>& nodes) {
 
       [menuElements addObject:[actionFactory actionToCopyURL:node->url()]];
 
-      [menuElements addObject:[actionFactory actionToEditWithBlock:^{
-                      [self editNode:node];
-                    }]];
+      UIAction* editAction = [actionFactory actionToEditWithBlock:^{
+        [self editNode:node];
+      }];
+      if (!canEditNode) {
+        editAction.attributes = UIMenuElementAttributesDisabled;
+      }
+      [menuElements addObject:editAction];
 
       [menuElements
           addObject:[actionFactory actionToShareWithBlock:^{
@@ -2279,15 +2288,22 @@ std::vector<GURL> GetUrlsToOpen(const std::vector<const BookmarkNode*>& nodes) {
       NSMutableArray<UIMenuElement*>* menuElements =
           [[NSMutableArray alloc] init];
 
-      [menuElements addObject:[actionFactory actionToEditWithBlock:^{
-                      [self editNode:node];
-                    }]];
+      UIAction* editAction = [actionFactory actionToEditWithBlock:^{
+        [self editNode:node];
+      }];
+      UIAction* moveAction = [actionFactory actionToMoveFolderWithBlock:^{
+        std::set<const BookmarkNode*> nodes;
+        nodes.insert(node);
+        [self moveNodes:nodes];
+      }];
 
-      [menuElements addObject:[actionFactory actionToMoveFolderWithBlock:^{
-                      std::set<const BookmarkNode*> nodes;
-                      nodes.insert(node);
-                      [self moveNodes:nodes];
-                    }]];
+      if (!canEditNode) {
+        editAction.attributes = UIMenuElementAttributesDisabled;
+        moveAction.attributes = UIMenuElementAttributesDisabled;
+      }
+
+      [menuElements addObject:editAction];
+      [menuElements addObject:moveAction];
 
       return [UIMenu menuWithTitle:@"" children:menuElements];
     };