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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_WIN_H_
      6 #define CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_WIN_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "chrome/browser/bookmarks/bookmark_node_data.h"
     10 #include "content/public/browser/web_drag_dest_delegate.h"
     11 
     12 class BookmarkTabHelper;
     13 
     14 namespace content {
     15 class WebContents;
     16 }
     17 
     18 // Chrome needs to intercept content drag events so it can dispatch them to the
     19 // bookmarks and extensions system.
     20 class WebDragBookmarkHandlerWin : public content::WebDragDestDelegate {
     21  public:
     22   WebDragBookmarkHandlerWin();
     23   virtual ~WebDragBookmarkHandlerWin();
     24 
     25   // Overridden from content::WebDragDestDelegate:
     26   virtual void DragInitialize(content::WebContents* contents) OVERRIDE;
     27   virtual void OnDragOver(IDataObject* data_object) OVERRIDE;
     28   virtual void OnDragEnter(IDataObject* data_object) OVERRIDE;
     29   virtual void OnDrop(IDataObject* data_object) OVERRIDE;
     30   virtual void OnDragLeave(IDataObject* data_object) OVERRIDE;
     31   virtual bool AddDragData(const content::DropData& drop_data,
     32                            ui::OSExchangeData* data) OVERRIDE;
     33 
     34  private:
     35   // The BookmarkTabHelper.
     36   // Weak reference; may be NULL if the contents don't have a
     37   // BookmarkTabHelper (e.g. WebUI dialogs).
     38   BookmarkTabHelper* bookmark_tab_helper_;
     39 
     40   content::WebContents* web_contents_;
     41 
     42   DISALLOW_COPY_AND_ASSIGN(WebDragBookmarkHandlerWin);
     43 };
     44 
     45 #endif  // CHROME_BROWSER_UI_VIEWS_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_WIN_H_
     46