GTK: implement extension bookmark manager drag api....

chrome/browser/bookmarks/bookmark_drag_data.cc

 // Copyright (c) 2010 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 "chrome/browser/bookmarks/bookmark_drag_data.h"
 
 #include "app/clipboard/scoped_clipboard_writer.h"
 #include "base/basictypes.h"
 #include "base/pickle.h"
 #include "base/string_util.h"
@@ skipping 71 matching lines @@
   return format;
 }
 #endif
 
 BookmarkDragData::BookmarkDragData(const BookmarkNode* node) {
   elements.push_back(Element(node));
 }
 
 BookmarkDragData::BookmarkDragData(
     const std::vector<const BookmarkNode*>& nodes) {
+  ReadFromVector(nodes);
+}
+
+bool BookmarkDragData::ReadFromVector(
+    const std::vector<const BookmarkNode*>& nodes) {
+  Clear();
+
+  if (nodes.empty())
+    return false;
+
   for (size_t i = 0; i < nodes.size(); ++i)
     elements.push_back(Element(nodes[i]));
+
+  return true;
 }
 
 #if !defined(OS_MACOSX)
 void BookmarkDragData::WriteToClipboard(Profile* profile) const {
   ScopedClipboardWriter scw(g_browser_process->clipboard());
 
   // If there is only one element and it is a URL, write the URL to the
   // clipboard.
   if (elements.size() == 1 && elements[0].is_url) {
     const string16& title = elements[0].title;
@@ skipping 161 matching lines @@
 const BookmarkNode* BookmarkDragData::GetFirstNode(Profile* profile) const {
   std::vector<const BookmarkNode*> nodes = GetNodes(profile);
   return nodes.size() == 1 ? nodes[0] : NULL;
 }
 
 void BookmarkDragData::Clear() {
   profile_path_.clear();
   elements.clear();
 }
 
+void BookmarkDragData::SetOriginatingProfile(Profile* profile) {
+  DCHECK(profile_path_.empty());
+
+  if (profile)
+    profile_path_ = profile->GetPath().value();
+}
+
 bool BookmarkDragData::IsFromProfile(Profile* profile) const {
   // An empty path means the data is not associated with any profile.
-  return (!profile_path_.empty() &&
-#if defined(WCHAR_T_IS_UTF16)
-      profile->GetPath().ToWStringHack() == profile_path_);
-#elif defined(WCHAR_T_IS_UTF32)
-      profile->GetPath().value() == profile_path_);
-#endif
+  return !profile_path_.empty() && profile_path_ == profile->GetPath().value();
 }