Desynchronize windowless plugin painting. This greatly improves the painting...

chrome/plugin/webplugin_delegate_stub.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 CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H__
 #define CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H__
 
 #include <queue>
 
 #include "base/gfx/rect.h"
 #include "base/ref_counted.h"
 #include "base/task.h"
 #include "chrome/common/ipc_channel.h"
 #include "chrome/common/plugin_messages.h"
 #include "third_party/npapi/bindings/npapi.h"
 
 class GURL;
 class PluginChannel;
 class WebPluginProxy;
 class WebPluginDelegateImpl;
 struct PluginMsg_Init_Params;
-struct PluginMsg_Paint_Params;
 struct PluginMsg_DidReceiveResponseParams;
 class WebCursor;
 
 // Converts the IPC messages from WebPluginDelegateProxy into calls to the
 // actual WebPluginDelegate object.
 class WebPluginDelegateStub : public IPC::Channel::Listener,
                               public IPC::Message::Sender,
                               public base::RefCounted<WebPluginDelegateStub> {
  public:
   WebPluginDelegateStub(const std::string& mime_type, int instance_id,
@@ skipping 17 matching lines @@
   void OnDidReceiveResponse(const PluginMsg_DidReceiveResponseParams& params,
                             bool* cancel);
   void OnDidReceiveData(int id, const std::vector<char>& buffer);
   void OnDidFinishLoading(int id);
   void OnDidFail(int id);
 
   void OnDidFinishLoadWithReason(int reason);
   void OnSetFocus();
   void OnHandleEvent(const NPEvent& event, bool* handled,
                      WebCursor* cursor);
-
-  void OnPaint(const PluginMsg_Paint_Params& params);
-
   void OnPrint(PluginMsg_PrintResponse_Params* params);
-
-  // Paints the plugin into a buffer. It roughly does the same as OnPaint (i.e.
-  // painting a plugin) except that the plugin window is always renderered into
-  // an EMF buffer and that it is effective for windowed plugins too.
-  void OnPaintIntoSharedMemory(const PluginMsg_Paint_Params& params,
-                               SharedMemoryHandle* emf_buffer, size_t* bytes);
-  // Paints a windowed plugin into a device context.
-  void WindowedPaint(HDC hdc, const gfx::Rect& window_rect);
-  // Paints a windowless plugin into a device context.
-  void WindowlessPaint(HDC hdc,
-                       const PluginMsg_Paint_Params& params);
   void OnUpdateGeometry(const gfx::Rect& window_rect,
-                        const gfx::Rect& clip_rect, bool visible);
+                        const gfx::Rect& clip_rect, bool visible,
+                        const SharedMemoryHandle& windowless_buffer,
+                        const SharedMemoryLock& lock);
   void OnGetPluginScriptableObject(int* route_id, void** npobject_ptr);
   void OnSendJavaScriptStream(const std::string& url,
                               const std::wstring& result,
                               bool success, bool notify_needed,
                               int notify_data);
 
   void OnDidReceiveManualResponse(
       const std::string& url,
       const PluginMsg_DidReceiveResponseParams& params);
   void OnDidReceiveManualData(const std::vector<char>& buffer);
@@ skipping 17 matching lines @@
   scoped_refptr<PluginChannel> channel_;
 
   WebPluginDelegateImpl* delegate_;
   WebPluginProxy* webplugin_;
 
   DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegateStub);
 };
 
 #endif  // CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H__