Show paste option on right click of bookmark bar if some URL is copied from outside browser or from…

components/bookmarks/browser/bookmark_utils.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/bookmarks/browser/bookmark_utils.h"
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
@@ skipping 170 matching lines @@
   if (remove_nodes) {
     ScopedGroupBookmarkActions group_cut(model);
     for (size_t i = 0; i < filtered_nodes.size(); ++i) {
       int index = filtered_nodes[i]->parent()->GetIndexOf(filtered_nodes[i]);
       if (index > -1)
         model->Remove(filtered_nodes[i]->parent(), index);
     }
   }
 }
 
+bool ClipboardContainsValidUrl(base::string16& url_text) {
+  if (!ui::Clipboard::GetForCurrentThread()->IsFormatAvailable(
+          ui::Clipboard::GetUrlWFormatType(), ui::CLIPBOARD_TYPE_COPY_PASTE))
+    return false;
+
+  ui::Clipboard::GetForCurrentThread()->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE,
+                                                 &url_text);
+  GURL url(url_text);
+  if (!url.is_valid())
+    return false;
+  return true;
+}
+
 void PasteFromClipboard(BookmarkModel* model,
                         const BookmarkNode* parent,
                         int index) {
   if (!parent)
     return;
 
   BookmarkNodeData bookmark_data;
+  base::string16 url_text;
   if (!bookmark_data.ReadFromClipboard(ui::CLIPBOARD_TYPE_COPY_PASTE))
     return;
+  else if (!ClipboardContainsValidUrl(url_text))
+    return;
+  GURL url(url_text);
+  BookmarkNode node(url);
+  node.SetTitle(url_text);
+  BookmarkNodeData bookmark(&node);
+  bookmark_data = bookmark;
 
   if (index == -1)
     index = parent->child_count();
   ScopedGroupBookmarkActions group_paste(model);
   CloneBookmarkNode(model, bookmark_data.elements, parent, index, true);
 }
 
 bool CanPasteFromClipboard(BookmarkModel* model, const BookmarkNode* node) {
   if (!node || !model->client()->CanBeEditedByUser(node))
     return false;
-  return BookmarkNodeData::ClipboardContainsBookmarks();
+  base::string16 url_text;
+  if (BookmarkNodeData::ClipboardContainsBookmarks() ||
+      ClipboardContainsValidUrl(url_text))
+    return true;
+  return false;
 }
 
 std::vector<const BookmarkNode*> GetMostRecentlyModifiedUserFolders(
     BookmarkModel* model,
     size_t max_count) {
   std::vector<const BookmarkNode*> nodes;
   ui::TreeNodeIterator<const BookmarkNode> iterator(model->root_node(),
                                                     PruneInvisibleFolders);
 
   while (iterator.has_next()) {
@@ skipping 216 matching lines @@
   }
   return false;
 }
 
 const BookmarkNode* GetBookmarkNodeByID(const BookmarkModel* model, int64 id) {
   // TODO(sky): TreeNode needs a method that visits all nodes using a predicate.
   return GetNodeByID(model->root_node(), id);
 }
 
 }  // namespace bookmarks