chrome/browser/ui/gtk/download/download_item_drag.h

   1 // Copyright 2013 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_GTK_DOWNLOAD_DOWNLOAD_ITEM_DRAG_H_
   6 #define CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_ITEM_DRAG_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/ui/gtk/custom_drag.h"
  12
  13 namespace content {
  14 class DownloadItem;
  15 }
  16
  17 // Encapsulates functionality for drags of download items.
  18 class DownloadItemDrag : public CustomDrag {
  19  public:
  20   DownloadItemDrag(const content::DownloadItem* item, gfx::Image* icon);
  21
  22   // Sets |widget| as a source for drags pertaining to |item|. No
  23   // DownloadItemDrag object is created.
  24   // It is safe to call this multiple times with different values of |icon|.
  25   static void SetSource(GtkWidget* widget,
  26                         const content::DownloadItem* item,
  27                         gfx::Image* icon);
  28
  29  private:
  30   class DragData;
  31
  32   virtual ~DownloadItemDrag();
  33
  34   virtual void OnDragDataGet(GtkWidget* widget,
  35                              GdkDragContext* context,
  36                              GtkSelectionData* selection_data,
  37                              guint target_type,
  38                              guint time) OVERRIDE;
  39
  40   scoped_ptr<DragData> drag_data_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(DownloadItemDrag);
  43 };
  44
  45
  46 #endif  // CHROME_BROWSER_UI_GTK_DOWNLOAD_DOWNLOAD_ITEM_DRAG_H_