Fixed drag and drop into and out of Browser Plugin.

content/browser/browser_plugin/browser_plugin_guest.h

 // Copyright (c) 2012 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.
 
 // A BrowserPluginGuest is the browser side of a browser <--> embedder
 // renderer channel. A BrowserPlugin (a WebPlugin) is on the embedder
 // renderer side of browser <--> embedder renderer communication.
 //
 // BrowserPluginGuest lives on the UI thread of the browser process. It has a
 // helper, BrowserPluginGuestHelper, which is a RenderViewHostObserver. The
@@ skipping 39 matching lines @@
 struct WebDropData;
 
 namespace WebKit {
 class WebInputEvent;
 }
 
 namespace content {
 
 class BrowserPluginHostFactory;
 class BrowserPluginEmbedder;
+class DragEventSourceInfo;
 class RenderProcessHost;
 
 // A browser plugin guest provides functionality for WebContents to operate in
 // the guest role and implements guest specific overrides for ViewHostMsg_*
 // messages.
 //
 // BrowserPluginEmbedder is responsible for creating and destroying a guest.
 class CONTENT_EXPORT BrowserPluginGuest : public NotificationObserver,
                                           public WebContentsDelegate,
                                           public WebContentsObserver {
@@ skipping 92 matching lines @@
   // Helper to send messages to embedder. Overridden in test implementation
   // since we want to intercept certain messages for testing.
   virtual void SendMessageToEmbedder(IPC::Message* msg);
 
   // Returns the embedder's routing ID.
   int embedder_routing_id() const;
   // Returns the identifier that uniquely identifies a browser plugin guest
   // within an embedder.
   int instance_id() const { return instance_id_; }
 
+  bool dragging() { return dragging_; }
+
+  bool drag_over() { return drag_over_; }
+
  private:
   friend class TestBrowserPluginGuest;
 
   BrowserPluginGuest(int instance_id,
                      WebContentsImpl* web_contents,
                      const BrowserPluginHostMsg_CreateGuest_Params& params);
 
   base::SharedMemory* damage_buffer() const { return damage_buffer_.get(); }
   const gfx::Size& damage_view_size() const { return damage_view_size_; }
   float damage_buffer_scale_factor() const {
@@ skipping 70 matching lines @@
       const BrowserPluginHostMsg_AutoSize_Params& auto_size_params,
       const BrowserPluginHostMsg_ResizeGuest_Params& resize_guest_params);
 
 
   // Message handlers for messages from guest.
 
   void OnCreateWindow(const ViewHostMsg_CreateWindow_Params& params,
                       int* route_id,
                       int* surface_id,
                       int64* cloned_session_storage_namespace_id);
+  void OnDragStopped();
   void OnHandleInputEventAck(
       WebKit::WebInputEvent::Type event_type,
       InputEventAckState ack_result);
   void OnHasTouchEventHandlers(bool accept);
   void OnSetCursor(const WebCursor& cursor);
   // On MacOSX popups are painted by the browser process. We handle them here
   // so that they are positioned correctly.
 #if defined(OS_MACOSX)
   void OnShowPopup(const ViewHostMsg_ShowPopup_Params& params);
 #endif
   void OnShowWidget(int route_id, const gfx::Rect& initial_pos);
+  void OnStartDragging(bool* handled);
   // Overriden in tests.
   virtual void OnTakeFocus(bool reverse);
-  void OnUpdateDragCursor(WebKit::WebDragOperation operation);
   void OnUpdateFrameName(int frame_id,
                          bool is_top_level,
                          const std::string& name);
   void OnUpdateRect(const ViewHostMsg_UpdateRect_Params& params);
 
   // Static factory instance (always NULL for non-test).
   static content::BrowserPluginHostFactory* factory_;
 
   NotificationRegistrar notification_registrar_;
   WebContentsImpl* embedder_web_contents_;
   // An identifier that uniquely identifies a browser plugin guest within an
   // embedder.
   int instance_id_;
   scoped_ptr<base::SharedMemory> damage_buffer_;
   // An identifier that uniquely identifies a damage buffer.
   uint32 damage_buffer_sequence_id_;
   size_t damage_buffer_size_;
   gfx::Size damage_view_size_;
   float damage_buffer_scale_factor_;
   gfx::Rect guest_window_rect_;
   gfx::Rect guest_screen_rect_;
   base::TimeDelta guest_hang_timeout_;
   bool focused_;
   bool visible_;
+  // True if this guest initiated a drag n drop event that is currently active.
+  bool dragging_;
+  bool drag_over_;
   std::string name_;
   bool auto_size_enabled_;
   gfx::Size max_auto_size_;
   gfx::Size min_auto_size_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginGuest);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_GUEST_H_