Wire up windowless plugins. Mostly Mac related, some cross

chrome/plugin/webplugin_proxy.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_PLUGIN_WEBPLUGIN_PROXY_H__
 #define CHROME_PLUGIN_PLUGIN_WEBPLUGIN_PROXY_H__
 
 #include <string>
 
 #include "base/hash_tables.h"
 #include "base/ref_counted.h"
+#if defined(OS_MACOSX)
+#include "base/scoped_cftyperef.h"
+#endif
 #include "base/scoped_handle.h"
 #include "base/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/timer.h"
 #include "chrome/common/ipc_message.h"
 #include "chrome/common/chrome_plugin_api.h"
 #include "chrome/common/transport_dib.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/glue/webplugin.h"
 
@@ skipping 75 matching lines @@
 
   void HandleURLRequest(const char *method,
                         bool is_javascript_url,
                         const char* target, unsigned int len,
                         const char* buf, bool is_file_data,
                         bool notify, const char* url,
                         intptr_t notify_data, bool popups_allowed);
 
   void UpdateGeometry(const gfx::Rect& window_rect,
                       const gfx::Rect& clip_rect,
-                      const TransportDIB::Id& windowless_buffer,
-                      const TransportDIB::Id& background_buffer);
+                      const TransportDIB::Handle& windowless_buffer,
+                      const TransportDIB::Handle& background_buffer);
 
   void CancelDocumentLoad();
 
   void InitiateHTTPRangeRequest(const char* url,
                                 const char* range_info,
                                 intptr_t existing_stream,
                                 bool notify_needed,
                                 intptr_t notify_data);
 
   bool IsOffTheRecord();
 
   void ResourceClientDeleted(WebPluginResourceClient* resource_client);
 
   base::WaitableEvent* modal_dialog_event() {
     return modal_dialog_event_.get();
   }
 
  private:
   bool Send(IPC::Message* msg);
 
   // Handler for sending over the paint event to the plugin.
   void OnPaint(const gfx::Rect& damaged_rect);
 
+  // Updates the shared memory section where windowless plugins paint.
+  void SetWindowlessBuffer(const TransportDIB::Handle& windowless_buffer,
+                           const TransportDIB::Handle& background_buffer);
+
 #if defined(OS_WIN)
-  // Updates the shared memory section where windowless plugins paint.
-  void SetWindowlessBuffer(const base::SharedMemoryHandle& windowless_buffer,
-                           const base::SharedMemoryHandle& background_buffer);
-
   // Converts a shared memory section handle from the renderer process into a
   // bitmap and hdc that are mapped to this process.
   void ConvertBuffer(const base::SharedMemoryHandle& buffer,
                      ScopedHandle* shared_section,
                      ScopedBitmap* bitmap,
                      ScopedHDC* hdc);
+#endif
 
   // Called when a plugin's origin moves, so that we can update the world
   // transform of the local HDC.
   void UpdateTransform();
-#endif
 
   typedef base::hash_map<int, WebPluginResourceClient*> ResourceClientMap;
   ResourceClientMap resource_clients_;
 
   scoped_refptr<PluginChannel> channel_;
   int route_id_;
   uint32 cp_browsing_context_;
   NPObject* window_npobject_;
   NPObject* plugin_element_;
   WebPluginDelegate* delegate_;
   gfx::Rect damaged_rect_;
   bool waiting_for_paint_;
   scoped_ptr<base::WaitableEvent> modal_dialog_event_;
   // The url of the main frame hosting the plugin.
   GURL page_url_;
 
 #if defined(OS_WIN)
   // Variables used for desynchronized windowless plugin painting.  See note in
   // webplugin_delegate_proxy.h for how this works.
 
   // These hold the bitmap where the plugin draws.
   ScopedHandle windowless_shared_section_;
   ScopedBitmap windowless_bitmap_;
   ScopedHDC windowless_hdc_;
 
   // These hold the bitmap of the background image.
   ScopedHandle background_shared_section_;
   ScopedBitmap background_bitmap_;
   ScopedHDC background_hdc_;
+#elif defined(OS_MACOSX)
+  scoped_ptr<TransportDIB> windowless_dib_;
+  scoped_ptr<TransportDIB> background_dib_;
+  scoped_cftyperef<CGContextRef> windowless_context_;
+  scoped_cftyperef<CGContextRef> background_context_;
 #endif
 
   ScopedRunnableMethodFactory<WebPluginProxy> runnable_method_factory_;
 };
 
 #endif  // CHROME_PLUGIN_PLUGIN_WEBPLUGIN_PROXY_H__