Improve scrolling performance when there are many windowed plugins in a page....

webkit/glue/webplugin_impl.h

 // Copyright (c) 2006-2008 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 WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 #define WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <map>
 #include <vector>
@@ skipping 23 matching lines @@
   class Element;
   class Event;
   class Frame;
   class IntRect;
   class KeyboardEvent;
   class KURL;
   class MouseEvent;
   class ResourceHandle;
   class ResourceError;
   class ResourceResponse;
+  class ScrollView;
   class String;
   class Widget;
 }
 
 // Implements WebCore::Widget functions that WebPluginImpl needs.  This class
 // exists because it is possible for the plugin widget to be deleted at any
 // time because of a delegate javascript call.  However we don't want the
 // WebPluginImpl to be deleted from under us because it could be lower in the
 // call stack.
 class WebPluginContainer : public WebCore::Widget {
  public:
   WebPluginContainer(WebPluginImpl* impl);
   virtual ~WebPluginContainer();
   NPObject* GetPluginScriptableObject();
   
   // Widget methods:
   virtual void setFrameRect(const WebCore::IntRect& rect);
   virtual void paint(WebCore::GraphicsContext*, const WebCore::IntRect& rect);
   virtual void invalidateRect(const WebCore::IntRect&);
   virtual void setFocus();
   virtual void show();
   virtual void hide();
   virtual void handleEvent(WebCore::Event* event);
   virtual void frameRectsChanged();
   virtual void setParentVisible(bool visible);
+  virtual void setParent(WebCore::ScrollView* view);
 
 #if USE(JSC)
   virtual bool isPluginView() const;
 #endif
 
   // Returns window-relative rectangles that should clip this widget.
   // Only rects that intersect the given bounds are relevant.
   // Use this to implement iframe shim behavior.
   //
   // TODO(tulrich): add this method to WebCore/platform/Widget.h so it
@@ skipping 239 matching lines @@
   };
 
   std::vector<ClientInfo> clients_;
 
   bool windowless_;
   HWND window_;
   WebCore::Element* element_;
   WebFrameImpl* webframe_;
 
   WebPluginDelegate* delegate_;
-  bool force_geometry_update_;
   bool visible_;
-  // Set when we receive the first paint notification for a windowed
-  // plugin widget.
-  bool received_first_paint_notification_;
 
   WebPluginContainer* widget_;
 
   typedef std::map<WebPluginResourceClient*, MultipartResponseDelegate*>
       MultiPartResponseHandlerMap;
   // Tracks HTTP multipart response handlers instantiated for
   // a WebPluginResourceClient instance.
   MultiPartResponseHandlerMap multi_part_response_map_;
 
   // The plugin source URL.
@@ skipping 11 matching lines @@
   // Holds the list of argument names passed to the plugin.
   std::vector<std::string> arg_names_;
 
   // Holds the list of argument values passed to the plugin.
   std::vector<std::string> arg_values_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginImpl);
 };
 
 #endif  // #ifndef WEBKIT_GLUE_WEBPLUGIN_IMPL_H_