Bitmap transport

chrome/browser/renderer_host/render_process_host.h

 // Copyright (c) 2009 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_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_H_
 
 #include <set>
 
 #include "base/id_map.h"
 #include "base/process.h"
 #include "base/scoped_ptr.h"
 #include "chrome/common/ipc_sync_channel.h"
+#include "chrome/common/transport_dib.h"
 
 class Profile;
 
 // Virtual interface that represents the browser side of the browser <->
 // renderer communication channel. There will generally be one
 // RenderProcessHost per renderer process.
 //
 // The concrete implementation of this class for normal use is the
 // BrowserRenderProcessHost. It may also be implemented by a testing interface
 // for mocking purposes.
@@ skipping 93 matching lines @@
 
   // Add a word in the spellchecker.
   virtual void AddWord(const std::wstring& word) = 0;
 
   // Try to shutdown the associated renderer process as fast as possible.
   // If this renderer has any RenderViews with unload handlers, then this
   // function does nothing.  The current implementation uses TerminateProcess.
   // Returns True if it was able to do fast shutdown.
   virtual bool FastShutdownIfPossible() = 0;
 
+  // Transport DIB functions ---------------------------------------------------
+
+  // Return the TransportDIB for the given id. On Linux, this can involve
+  // mapping shared memory. On Mac, the shared memory is created in the browser
+  // process and the cached metadata is returned. On Windows, this involves
+  // duplicating the handle from the remote process.  The RenderProcessHost
+  // still owns the returned DIB.
+  virtual TransportDIB* GetTransportDIB(TransportDIB::Id dib_id) = 0;
+
   // Static management functions -----------------------------------------------
 
   // Flag to run the renderer in process.  This is primarily
   // for debugging purposes.  When running "in process", the
   // browser maintains a single RenderProcessHost which communicates
   // to a RenderProcess which is instantiated in the same process
   // with the Browser.  All IPC between the Browser and the
   // Renderer is the same, it's just not crossing a process boundary.
   static bool run_renderer_in_process() {
     return run_renderer_in_process_;
@@ skipping 67 matching lines @@
 // Factory object for RenderProcessHosts. Using this factory allows tests to
 // swap out a different one to use a TestRenderProcessHost.
 class RenderProcessHostFactory {
  public:
   virtual ~RenderProcessHostFactory() {}
   virtual RenderProcessHost* CreateRenderProcessHost(
       Profile* profile) const = 0;
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_H_