Pepper and WebKit API change to support a plugin knowing if a scrollbar is an overlay one.

webkit/plugins/ppapi/ppapi_plugin_instance.h

 // Copyright (c) 2011 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_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 #define WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 54 matching lines @@
 
 class FullscreenContainer;
 class MessageChannel;
 class ObjectVar;
 class PluginDelegate;
 class PluginModule;
 class PluginObject;
 class PPB_Graphics2D_Impl;
 class PPB_Graphics3D_Impl;
 class PPB_ImageData_Impl;
+class PPB_ScrollbarGroup_Impl;
 class PPB_Surface3D_Impl;
 class PPB_URLLoader_Impl;
 class PPB_URLRequestInfo_Impl;
 class Resource;
 
 // Represents one time a plugin appears on one web page.
 //
 // Note: to get from a PP_Instance to a PluginInstance*, use the
 // ResourceTracker.
 class PluginInstance : public base::RefCounted<PluginInstance>,
@@ skipping 107 matching lines @@
   void RemovePluginObject(PluginObject* plugin_object);
 
   string16 GetSelectedText(bool html);
   string16 GetLinkAtPosition(const gfx::Point& point);
   void Zoom(double factor, bool text_only);
   bool StartFind(const string16& search_text,
                  bool case_sensitive,
                  int identifier);
   void SelectFindResult(bool forward);
   void StopFind();
+  void WillStartLiveResize();
+  void WillEndLiveResize();
 
   bool SupportsPrintInterface();
   int PrintBegin(const gfx::Rect& printable_area, int printer_dpi);
   bool PrintPage(int page_number, WebKit::WebCanvas* canvas);
   void PrintEnd();
 
   void Graphics3DContextLost();
 
   // Implementation of PPB_Fullscreen_Dev.
 
@@ skipping 27 matching lines @@
   PluginDelegate::PlatformContext3D* CreateContext3D();
 
   // Returns true iff the plugin is a full-page plugin (i.e. not in an iframe or
   // embedded in a page).
   bool IsFullPagePlugin() const;
 
   FullscreenContainer* fullscreen_container() const {
     return fullscreen_container_;
   }
 
+  // Callback to associate a full-frame instance's scrollgroup object.
+  void SetScrollbarGroup(PPB_ScrollbarGroup_Impl* scrollbar_group);
+
   // FunctionGroupBase overrides.
   virtual ::ppapi::thunk::PPB_Instance_FunctionAPI* AsPPB_Instance_FunctionAPI()
       OVERRIDE;
 
   // PPB_Instance_API implementation.
   virtual PP_Bool BindGraphics(PP_Instance instance,
                                PP_Resource device) OVERRIDE;
   virtual PP_Bool IsFullFrame(PP_Instance instance) OVERRIDE;
   virtual PP_Var GetWindowObject(PP_Instance instance) OVERRIDE;
   virtual PP_Var GetOwnerElementObject(PP_Instance instance) OVERRIDE;
@@ skipping 222 matching lines @@
   SkBitmap* sad_plugin_;
 
   typedef std::set<PluginObject*> PluginObjectSet;
   PluginObjectSet live_plugin_objects_;
 
   // Classes of events that the plugin has registered for, both for filtering
   // and not. The bits are PP_INPUTEVENT_CLASS_*.
   uint32_t input_event_mask_;
   uint32_t filtered_input_event_mask_;
 
+  // For full-page plugin, if it has a ScrollbarGroup object, we keep a
+  // non-owning pointer to it so we can send WebKit page-resize and mouse move
+  // callbacks. This is needed on Lion for overlay scrollbars.
+  PPB_ScrollbarGroup_Impl* scrollbar_group_;
+
   DISALLOW_COPY_AND_ASSIGN(PluginInstance);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_