Create a Factory for NativeMetafile.

chrome/renderer/webplugin_delegate_pepper.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
 
 #define PEPPER_APIS_ENABLED 1
 
 #include "chrome/renderer/webplugin_delegate_pepper.h"
 
 #include <string>
 #include <vector>
 
@@ skipping 31 matching lines @@
 #include "chrome/renderer/renderer_sandbox_support_linux.h"
 #endif
 #include "chrome/renderer/webplugin_delegate_proxy.h"
 #include "ui/gfx/blit.h"
 #if defined(OS_WIN)
 #include "printing/units.h"
 #include "skia/ext/vector_platform_device.h"
 #include "ui/gfx/codec/jpeg_codec.h"
 #include "ui/gfx/gdi_util.h"
 #endif
+#include "printing/native_metafile_factory.h"
 #include "printing/native_metafile.h"
+#if defined(OS_LINUX)
+#include "printing/pdf_ps_metafile_cairo.h"

[kmadhusu, 2011/03/01 19:42:38]

As per Chromium coding-style, platform-specific headers needs to follow the
cross platform headers in a separate section.

[dpapad, 2011/03/01 22:41:24]

Done.

+#endif
 #include "third_party/npapi/bindings/npapi_extensions.h"
 #include "third_party/npapi/bindings/npapi_extensions_private.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCursorInfo.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "webkit/glue/webcursor.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/plugins/npapi/plugin_constants_win.h"
 #include "webkit/plugins/npapi/plugin_instance.h"
 #include "webkit/plugins/npapi/plugin_lib.h"
 #include "webkit/plugins/npapi/plugin_list.h"
@@ skipping 1151 matching lines @@
                                                   &pdf_output, &output_size);
   if (err != NPERR_NO_ERROR)
     return false;
 
   bool ret = false;
 #if defined(OS_LINUX)
   // On Linux we need to get the backing PdfPsMetafile and write the bits
   // directly.
   cairo_t* context = canvas->beginPlatformPaint();
   printing::NativeMetafile* metafile =
-      printing::NativeMetafile::FromCairoContext(context);
+      printing::PdfPsMetafile::FromCairoContext(context);
   DCHECK(metafile);
   if (metafile) {
     ret = metafile->SetRawData(pdf_output, output_size);
     if (ret)
       pdf_output_done_ = true;
   }
   canvas->endPlatformPaint();
 #elif defined(OS_MACOSX)
-  printing::NativeMetafile metafile;
+  scoped_ptr<printing::NativeMetafile> metafile(
+      printing::NativeMetafileFactory::CreateMetafile());
   // Create a PDF metafile and render from there into the passed in context.
-  if (metafile.Init(pdf_output, output_size)) {
+  if (metafile->Init(pdf_output, output_size)) {
     // Flip the transform.
     CGContextSaveGState(canvas);
     CGContextTranslateCTM(canvas, 0, current_printable_area_.height());
     CGContextScaleCTM(canvas, 1.0, -1.0);
-    ret = metafile.RenderPage(1, canvas, current_printable_area_.ToCGRect(),
+    ret = metafile->RenderPage(1, canvas, current_printable_area_.ToCGRect(),
                               true, false, true, true);
     CGContextRestoreGState(canvas);
   }
 #elif defined(OS_WIN)
   // On Windows, we now need to render the PDF to the DC that backs the
   // supplied canvas.
   skia::VectorPlatformDevice& device =
       static_cast<skia::VectorPlatformDevice&>(
           canvas->getTopPlatformDevice());
   HDC dc = device.getBitmapDC();
@@ skipping 508 matching lines @@
   CGRect bounds;
   bounds.origin.x = dest_rect.x();
   bounds.origin.y = canvas_height - dest_rect.y() - dest_rect.height();
   bounds.size.width = dest_rect.width();
   bounds.size.height = dest_rect.height();
 
   CGContextDrawImage(canvas, bounds, image);
   CGContextRestoreGState(canvas);
 }
 #endif  // defined(OS_MACOSX)