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/bind.h"
 #include "base/files/file_path.h"
 #include "base/i18n/case_conversion.h"
 #include "base/i18n/string_search.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "components/bookmarks/browser/bookmark_client.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/scoped_group_bookmark_actions.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/query_parser/query_parser.h"
 #include "net/base/net_util.h"
+#include "ui/base/clipboard/clipboard.h"
 #include "ui/base/models/tree_node_iterator.h"
 #include "url/gurl.h"
 
 using base::Time;
 
 namespace bookmarks {
 
 namespace {
 
 // The maximum length of URL or title returned by the Cleanup functions.
@@ skipping 101 matching lines @@
 
   // If we're in the middle of an escape sequence, truncate just before it.
   if (url[kCleanedUpUrlMaxLength - 1] == '%')
     return url.substr(0, kCleanedUpUrlMaxLength - 1);
   if (url[kCleanedUpUrlMaxLength - 2] == '%')
     return url.substr(0, kCleanedUpUrlMaxLength - 2);
 
   return url.substr(0, kCleanedUpUrlMaxLength);
 }
 
+// Returns the URL from the clipboard. If there is no URL an empty URL is
+// returned.
+GURL GetUrlFromClipboard() {
+  base::string16 url_text;
+#if !defined(OS_IOS)
+  ui::Clipboard::GetForCurrentThread()->ReadText(ui::CLIPBOARD_TYPE_COPY_PASTE,
+                                                 &url_text);
+#endif
+  return GURL(url_text);
+}
+
 }  // namespace
 
 QueryFields::QueryFields() {}
 QueryFields::~QueryFields() {}
 
 void CloneBookmarkNode(BookmarkModel* model,
                        const std::vector<BookmarkNodeData::Element>& elements,
                        const BookmarkNode* parent,
                        int index_to_add_at,
                        bool reset_node_times) {
@@ skipping 33 matching lines @@
   }
 }
 
 void PasteFromClipboard(BookmarkModel* model,
                         const BookmarkNode* parent,
                         int index) {
   if (!parent)
     return;
 
   BookmarkNodeData bookmark_data;
-  if (!bookmark_data.ReadFromClipboard(ui::CLIPBOARD_TYPE_COPY_PASTE))
-    return;
-
+  if (!bookmark_data.ReadFromClipboard(ui::CLIPBOARD_TYPE_COPY_PASTE)) {
+    GURL url = GetUrlFromClipboard();
+    if (!url.is_valid())
+      return;
+    BookmarkNode node(url);
+    node.SetTitle(base::ASCIIToUTF16(url.spec()));
+    bookmark_data = BookmarkNodeData(&node);
+  }
   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();
+  return (BookmarkNodeData::ClipboardContainsBookmarks() ||
+          GetUrlFromClipboard().is_valid());
 }
 
 std::vector<const BookmarkNode*> GetMostRecentlyModifiedUserFolders(
     BookmarkModel* model,
     size_t max_count) {
   std::vector<const BookmarkNode*> nodes;
   ui::TreeNodeIterator<const BookmarkNode> iterator(
       model->root_node(), base::Bind(&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