Linux web drag first cut....

chrome/browser/tab_contents/tab_contents_view_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 CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 
 #include <vector>
@@ skipping 63 matching lines @@
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
  private:
   // Insert the given widget into the content area. Should only be used for
   // web pages and the like (including interstitials and sad tab). Note that
   // this will be perfectly happy to insert overlapping render views, so care
   // should be taken that the correct one is hidden/shown.
   void InsertIntoContentArea(GtkWidget* widget);
 
+  // Tell webkit the drag is over.
+  void DragEnded();
+
   // We keep track of the timestamp of the latest mousedown event.
   static gboolean OnMouseDown(GtkWidget* widget,
                               GdkEventButton* event, TabContentsViewGtk* view);
 
   // Used to propagate size changes on |fixed_| to its children.
   static gboolean OnSizeAllocate(GtkWidget* widget,
                                  GtkAllocation* config,
                                  TabContentsViewGtk* view);
 
   static void OnSetFloatingPosition(
       GtkFloatingContainer* floating_container, GtkAllocation* allocation,
       TabContentsViewGtk* tab_contents_view);
 
+  // Webkit DnD.

[tony, 2009/06/26 23:55:18]

Nit: Renderer I think is more accurate.

+  static void OnDragEnd(GtkWidget* widget, GdkDragContext* drag_context,
+                        TabContentsViewGtk* tab_contents_view);
+  static void OnDragDataGet(GtkWidget* drag_widget,
+    GdkDragContext* context, GtkSelectionData* selection_data,
+    guint target_type, guint time, TabContentsViewGtk* view);
+
   // Contains |fixed_| as its GtkBin member and a possible floating widget from
   // |popup_view_|.
   OwnedWidgetGtk floating_;
 
   // This container holds the tab's web page views. It is a GtkFixed so that we
   // can control the size of the web pages.
   GtkWidget* fixed_;
 
   // The context menu is reset every time we show it, but we keep a pointer to
   // between uses so that it won't go out of scope before we're done with it.
@@ skipping 11 matching lines @@
   FocusStoreGtk focus_store_;
 
   // Our UI for controlling popups (or NULL if no popup windows have been
   // opened). |popup_view_| is owned by the TabContents, not the view.
   BlockedPopupContainerViewGtk* popup_view_;
 
   // Each individual UI for constrained dialogs currently displayed. The
   // objects in this vector are owned by the TabContents, not the view.
   std::vector<ConstrainedWindowGtk*> constrained_windows_;
 
+  // The drop data for the current drag (for drags that originate in the render
+  // view).
+  scoped_ptr<WebDropData> drop_data_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContentsViewGtk);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_GTK_H_