Implement dragging icon for dragging bookmarks in views/gtk.

app/os_exchange_data_provider_gtk.h

 // Copyright (c) 2009 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.
 
 #ifndef APP_OS_EXCHANGE_DATA_PROVIDER_GTK_H_
 #define APP_OS_EXCHANGE_DATA_PROVIDER_GTK_H_
 
 #include <gtk/gtk.h>
 #include <map>
 #include <set>
@@ skipping 51 matching lines @@
   virtual bool GetString(std::wstring* data) const;
   virtual bool GetURLAndTitle(GURL* url, std::wstring* title) const;
   virtual bool GetFilename(std::wstring* full_path) const;
   virtual bool GetPickledData(OSExchangeData::CustomFormat format,
                               Pickle* data) const;
   virtual bool HasString() const;
   virtual bool HasURL() const;
   virtual bool HasFile() const;
   virtual bool HasCustomFormat(OSExchangeData::CustomFormat format) const;
 
+  // Set the image and cursor offset data for this drag.  Will
+  // increment the ref count of pixbuf.
+  void SetDragImage(GdkPixbuf* pixbuf,
+                    int cursor_offset_x,
+                    int cursor_offset_y);
+  GdkPixbuf* get_drag_image() const { return drag_image_; }

[sky, 2009/10/12 19:41:20]

nit: no get, just drag_image, like the other methods you're adding.

[skrul, 2009/10/12 19:44:38]

Gah, sorry, thanks for paying more attention than I am :)

+  int cursor_offset_x() const { return cursor_offset_x_; }
+  int cursor_offset_y() const { return cursor_offset_y_; }
+
  private:
   typedef std::map<OSExchangeData::CustomFormat, Pickle>  PickleData;
 
   // Returns true if |formats_| contains a string format and the string can be
   // parsed as a URL.
   bool GetPlainTextURL(GURL* url) const;
 
   // These are the possible formats the OSExchangeData may contain. Don't
   // confuse this with the actual formats that have been set, which are
   // |formats_| and |custom_formats_|.
@@ skipping 10 matching lines @@
   // URL contents.
   GURL url_;
   string16 title_;
 
   // File name.
   std::string filename_;
 
   // PICKLED_DATA contents.
   PickleData pickle_data_;
 
+  // Drag image and offset data.
+  GdkPixbuf* drag_image_;
+  int cursor_offset_x_;
+  int cursor_offset_y_;
+
   DISALLOW_COPY_AND_ASSIGN(OSExchangeDataProviderGtk);
 };
 
 #endif  // APP_OS_EXCHANGE_DATA_PROVIDER_GTK_H_