Wire up printing on the Mac

chrome/browser/renderer_host/resource_message_filter.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_RESOURCE_MSG_FILTER_H_
 #define CHROME_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 200 matching lines @@
   // Used to pass resulting EMF from renderer to browser in printing.
   void OnDuplicateSection(base::SharedMemoryHandle renderer_handle,
                           base::SharedMemoryHandle* browser_handle);
 #endif
 
 #if defined(OS_LINUX)
   // Used to ask the browser allocate a temporary file for the renderer
   // to fill in resulting PDF in renderer.
   void OnAllocateTempFileForPrinting(IPC::Message* reply_msg);
   void OnTempFileForPrintingWritten(int fd_in_browser);
 #endif

[pink (ping after 24hrs), 2009/10/13 21:04:51]

#elif?

[stuartmorgan, 2009/10/13 22:07:43]

I'm following the convention for this file, which is to let each platform #if
block stand alone. I'd rather not be inconsistent with, e.g., the WIN->LINUX
block transition directly above.

+#if defined(OS_MACOSX)
+  // Used to ask the browser to allocate a block of shared memory for the
+  // renderer to send PDF across in.
+  void OnAllocatePDFTransport(size_t buffer_size,
+                              base::SharedMemoryHandle* handle);
+#endif
 
   void OnResourceTypeStats(const WebKit::WebCache::ResourceTypeStats& stats);
   static void OnResourceTypeStatsOnUIThread(WebKit::WebCache::ResourceTypeStats,
                                             base::ProcessId renderer_id);
 
   void OnResolveProxy(const GURL& url, IPC::Message* reply_msg);
 
   // ResolveProxyMsgHelper::Delegate implementation:
   virtual void OnResolveProxyCompleted(IPC::Message* reply_msg,
                                        int result,
                                        const std::string& proxy_list);
 
   // A javascript code requested to print the current page. This is done in two
   // steps and this is the first step. Get the print setting right here
   // synchronously. It will hang the I/O completely.
   void OnGetDefaultPrintSettings(IPC::Message* reply_msg);
   void OnGetDefaultPrintSettingsReply(
       scoped_refptr<printing::PrinterQuery> printer_query,
       IPC::Message* reply_msg);
-#if defined(OS_WIN)
+#if defined(OS_WIN) || defined(OS_MACOSX)
   // A javascript code requested to print the current page. The renderer host
   // have to show to the user the print dialog and returns the selected print
   // settings.
   void OnScriptedPrint(const ViewHostMsg_ScriptedPrint_Params& params,
                        IPC::Message* reply_msg);
   void OnScriptedPrintReply(
       scoped_refptr<printing::PrinterQuery> printer_query,
       int routing_id,
       IPC::Message* reply_msg);
 #endif
@@ skipping 108 matching lines @@
   // Whether this process is used for off the record tabs.
   bool off_the_record_;
 
   // A callback to create a routing id for the associated renderer process.
   scoped_ptr<CallbackWithReturnValue<int>::Type> next_route_id_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceMessageFilter);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RESOURCE_MSG_FILTER_H_