Move Emf class to the printing library. Also creates a platform agnostic Nat...

chrome/browser/printing/printed_document.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_BROWSER_PRINTING_PRINTED_DOCUMENT_H__
 #define CHROME_BROWSER_PRINTING_PRINTED_DOCUMENT_H__
 
 #include <map>
 
 #include "base/lock.h"
 #include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/printing/print_settings.h"
+#include "printing/native_metafile.h"
 #include "googleurl/src/gurl.h"
 
 class MessageLoop;
 
 namespace gfx {
-class Emf;
 class Font;
 }
 
 namespace printing {
 
 class PrintedPage;
 class PrintedPagesSource;
 
 // A collection of rendered pages. The settings are immutable. If the print
 // settings are changed, a new PrintedDocument must be created.
 // Warning: May be accessed from many threads at the same time. Only one thread
 // will have write access. Sensible functions are protected by a lock.
 // Warning: Once a page is loaded, it cannot be replaced. Pages may be discarded
 // under low memory conditions.
 class PrintedDocument : public base::RefCountedThreadSafe<PrintedDocument> {
  public:
   // The cookie shall be unique and has a specific relationship with its
   // originating source and settings.
   PrintedDocument(const PrintSettings& settings,
                   PrintedPagesSource* source,
                   int cookie);
   ~PrintedDocument();
 
-  // Sets a page's data. 0-based. Takes emf ownership.
+  // Sets a page's data. 0-based. Takes metafile ownership.
   // Note: locks for a short amount of time.
-  void SetPage(int page_number, gfx::Emf* emf, double shrink);
+  void SetPage(int page_number, NativeMetafile* metafile, double shrink);
 
   // Retrieves a page. If the page is not available right now, it
   // requests to have this page be rendered and returns false.
   // Note: locks for a short amount of time.
   bool GetPage(int page_number, scoped_refptr<PrintedPage>* page);
 
   // Draws the page in the context.
   // Note: locks for a short amount of time in debug only.
   void RenderPrintedPage(const PrintedPage& page, HDC context) const;
 
@@ skipping 40 matching lines @@
   const std::wstring& time() const { return immutable_.time_; }
   const int cookie() const { return immutable_.cookie_; }
 
   // Sets a path where to dump printing output files for debugging. If never set
   // no files are generated.
   static void set_debug_dump_path(const std::wstring& debug_dump_path);
 
   static const std::wstring& debug_dump_path();
 
  private:
-  // Array of EMF data for each print previewed page.
+  // Array of data for each print previewed page.
   typedef std::map<int, scoped_refptr<PrintedPage>> PrintedPages;
 
   // Contains all the mutable stuff. All this stuff MUST be accessed with the
   // lock held.
   struct Mutable {
     Mutable(PrintedPagesSource* source);
 
     // Source that generates the PrintedPage's (i.e. a TabContents). It will be
     // set back to NULL if the source is deleted before this object.
     PrintedPagesSource* source_;
@@ skipping 66 matching lines @@
 
   // All the immutable members.
   const Immutable immutable_;
 
   DISALLOW_EVIL_CONSTRUCTORS(PrintedDocument);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINTED_DOCUMENT_H__