chrome/browser/ui/cocoa/tab_contents/web_drag_bookmark_handler_mac.h

   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_COCOA_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_MAC_H_
   6 #define CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_MAC_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "components/bookmarks/browser/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 WebDragBookmarkHandlerMac : public content::WebDragDestDelegate {
  21  public:
  22   WebDragBookmarkHandlerMac();
  23   ~WebDragBookmarkHandlerMac() override;
  24
  25   // Overridden from content::WebDragDestDelegate:
  26   void DragInitialize(content::WebContents* contents) override;
  27   void OnDragOver() override;
  28   void OnDragEnter() override;
  29   void OnDrop() override;
  30   void OnDragLeave() override;
  31
  32  private:
  33   // The BookmarkTabHelper.
  34   // Weak reference; may be NULL if the contents don't have a
  35   // BookmarkTabHelper (e.g. WebUI dialogs).
  36   BookmarkTabHelper* bookmark_tab_helper_;
  37
  38   content::WebContents* web_contents_;
  39
  40   // The bookmark data for the current tab. This will be empty if there is not
  41   // a native bookmark drag.
  42   bookmarks::BookmarkNodeData bookmark_drag_data_;
  43
  44   DISALLOW_COPY_AND_ASSIGN(WebDragBookmarkHandlerMac);
  45 };
  46
  47 #endif  // CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_WEB_DRAG_BOOKMARK_HANDLER_MAC_H_