Extracted MetafilePlayer interface from printing::MetafilePlayer.

printing/pdf_metafile_skia.h

 // Copyright (c) 2012 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 PRINTING_PDF_METAFILE_SKIA_H_
 #define PRINTING_PDF_METAFILE_SKIA_H_
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "printing/metafile.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
+#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
+namespace base {
+struct FileDescriptor;
+}
+#endif
+
 namespace printing {
 
 struct PdfMetafileSkiaData;
 
 // This class uses Skia graphics library to generate a PDF document.
 class PRINTING_EXPORT PdfMetafileSkia : public Metafile {
  public:
   PdfMetafileSkia();
   virtual ~PdfMetafileSkia();
 
   // Metafile methods.
   virtual bool Init() OVERRIDE;
   virtual bool InitFromData(const void* src_buffer,
                             uint32 src_buffer_size) OVERRIDE;
 
   virtual SkBaseDevice* StartPageForVectorCanvas(
       const gfx::Size& page_size,
       const gfx::Rect& content_area,
       const float& scale_factor) OVERRIDE;
 
   virtual bool StartPage(const gfx::Size& page_size,
                          const gfx::Rect& content_area,
                          const float& scale_factor) OVERRIDE;
   virtual bool FinishPage() OVERRIDE;
   virtual bool FinishDocument() OVERRIDE;
 
   virtual uint32 GetDataSize() const OVERRIDE;
   virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const OVERRIDE;
 
-  virtual bool SaveTo(const base::FilePath& file_path) const OVERRIDE;
-
   virtual gfx::Rect GetPageBounds(unsigned int page_number) const OVERRIDE;
   virtual unsigned int GetPageCount() const OVERRIDE;
 
   virtual gfx::NativeDrawingContext context() const OVERRIDE;
 
 #if defined(OS_WIN)
   virtual bool Playback(gfx::NativeDrawingContext hdc,
                         const RECT* rect) const OVERRIDE;
   virtual bool SafePlayback(gfx::NativeDrawingContext hdc) const OVERRIDE;
-  virtual HENHMETAFILE emf() const OVERRIDE;
 #elif defined(OS_MACOSX)
   virtual bool RenderPage(unsigned int page_number,
                           gfx::NativeDrawingContext context,
                           const CGRect rect,
                           const MacRenderPageParams& params) const OVERRIDE;
 #endif
 
 #if defined(OS_CHROMEOS) || defined(OS_ANDROID)
-  virtual bool SaveToFD(const base::FileDescriptor& fd) const OVERRIDE;
+  // TODO(vitalybuka): replace with SaveTo().
+  bool SaveToFD(const base::FileDescriptor& fd) const;
 #endif  // if defined(OS_CHROMEOS) || defined(OS_ANDROID)
 
   // Return a new metafile containing just the current page in draft mode.
-  PdfMetafileSkia* GetMetafileForCurrentPage();
+  scoped_ptr<PdfMetafileSkia> GetMetafileForCurrentPage();
 
  private:
   scoped_ptr<PdfMetafileSkiaData> data_;
 
   // True when finish page is outstanding for current page.
   bool page_outstanding_;
 
   DISALLOW_COPY_AND_ASSIGN(PdfMetafileSkia);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PDF_METAFILE_SKIA_H_