Change printing of PDFs for preview on Windows to not rasterize.

chrome/renderer/print_web_view_helper.h

 // 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.
 
 #ifndef CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #define CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/time.h"
 #include "content/renderer/render_view_observer.h"
 #include "content/renderer/render_view_observer_tracker.h"
 #include "printing/metafile.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h"
 #include "ui/gfx/size.h"
 
 class DictionaryValue;
 struct PrintMsg_Print_Params;
 struct PrintMsg_PrintPage_Params;
 struct PrintMsg_PrintPages_Params;
 
-#if defined(USE_X11)
-namespace skia {
-class VectorCanvas;
-}
-#endif
-
 // Class that calls the Begin and End print functions on the frame and changes
 // the size of the view temporarily to support full page printing..
 // Do not serve any events in the time between construction and destruction of
 // this class because it will cause flicker.
 class PrepareFrameAndViewForPrint {
  public:
   // Prints |frame|.  If |node| is not NULL, then only that node will be
   // printed.
   PrepareFrameAndViewForPrint(const PrintMsg_Print_Params& print_params,
                               WebKit::WebFrame* frame,
                               WebKit::WebNode* node,
                               WebKit::WebView* web_view);
   ~PrepareFrameAndViewForPrint();
 
   int GetExpectedPageCount() const {
     return expected_pages_count_;
   }
 
   bool ShouldUseBrowserOverlays() const {
     return use_browser_overlays_;
   }
 
   const gfx::Size& GetPrintCanvasSize() const {
     return print_canvas_size_;
   }
 
+  void FinishPrinting();
+
  private:
   WebKit::WebFrame* frame_;
   WebKit::WebView* web_view_;
   gfx::Size print_canvas_size_;
   gfx::Size prev_view_size_;
   gfx::Size prev_scroll_offset_;
   int expected_pages_count_;
   bool use_browser_overlays_;
+  bool finished_;
 
   DISALLOW_COPY_AND_ASSIGN(PrepareFrameAndViewForPrint);
 };
 
 
 // PrintWebViewHelper handles most of the printing grunt work for RenderView.
 // We plan on making print asynchronous and that will require copying the DOM
 // of the document and creating a new WebView with the contents.
 class PrintWebViewHelper : public RenderViewObserver ,
                            public RenderViewObserverTracker<PrintWebViewHelper>,
@@ skipping 84 matching lines @@
   // It will implicitly revert the document to display CSS media type.
   bool PrintPages(const PrintMsg_PrintPages_Params& params,
                   WebKit::WebFrame* frame,
                   WebKit::WebNode* node);
 
   // Prints the page listed in |params|.
 #if defined(USE_X11)
   void PrintPageInternal(const PrintMsg_PrintPage_Params& params,
                          const gfx::Size& canvas_size,
                          WebKit::WebFrame* frame,
-                         printing::Metafile* metafile,
-                         scoped_ptr<skia::VectorCanvas>* canvas);
+                         printing::Metafile* metafile);
 #else
   void PrintPageInternal(const PrintMsg_PrintPage_Params& params,
                          const gfx::Size& canvas_size,
                          WebKit::WebFrame* frame);
 #endif
 
   // Render the frame for printing.
   bool RenderPagesForPrint(WebKit::WebFrame* frame, WebKit::WebNode* node);
 
   // Render the frame for preview.
@@ skipping 79 matching lines @@
   int user_cancelled_scripted_print_count_;
 
   // Let the browser process know of a printing failure. Only set to false when
   // the failure came from the browser in the first place.
   bool notify_browser_of_print_failure_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };
 
 #endif  // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_