chrome/utility/printing_handler.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_UTILITY_PRINTING_HANDLER_H_
   6 #define CHROME_UTILITY_PRINTING_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/macros.h"
  10 #include "chrome/utility/utility_message_handler.h"
  11 #include "ipc/ipc_platform_file.h"
  12
  13 #if !defined(ENABLE_FULL_PRINTING)
  14 #error "Full printing must be enabled"
  15 #endif
  16
  17 namespace printing {
  18 class PdfRenderSettings;
  19 struct PwgRasterSettings;
  20 struct PageRange;
  21 }
  22
  23 // Dispatches IPCs for printing.
  24 class PrintingHandler : public UtilityMessageHandler {
  25  public:
  26   PrintingHandler();
  27   virtual ~PrintingHandler();
  28
  29   static void PreSandboxStartup();
  30
  31   // IPC::Listener:
  32   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
  33
  34  private:
  35   // IPC message handlers.
  36 #if defined(WIN_PDF_METAFILE_FOR_PRINTING)
  37   void OnRenderPDFPagesToMetafile(
  38       IPC::PlatformFileForTransit pdf_transit,
  39       const base::FilePath& metafile_path,
  40       const printing::PdfRenderSettings& settings,
  41       const std::vector<printing::PageRange>& page_ranges);
  42 #endif
  43   void OnRenderPDFPagesToPWGRaster(
  44       IPC::PlatformFileForTransit pdf_transit,
  45       const printing::PdfRenderSettings& settings,
  46       const printing::PwgRasterSettings& bitmap_settings,
  47       IPC::PlatformFileForTransit bitmap_transit);
  48
  49 #if defined(WIN_PDF_METAFILE_FOR_PRINTING)
  50   // Helper method for Windows.
  51   // |highest_rendered_page_number| is set to -1 on failure to render any page.
  52   // |page_ranges| is both input and output. If supplied as input, only the
  53   // specified pages will be rendered. If an empty vector is supplied it will
  54   // be filled with a range of all pages that were rendered.
  55   bool RenderPDFToWinMetafile(
  56       base::File pdf_file,
  57       const base::FilePath& metafile_path,
  58       const printing::PdfRenderSettings& settings,
  59       std::vector<printing::PageRange>* page_ranges,
  60       int* highest_rendered_page_number,
  61       double* scale_factor);
  62 #endif
  63
  64   bool RenderPDFPagesToPWGRaster(
  65       base::File pdf_file,
  66       const printing::PdfRenderSettings& settings,
  67       const printing::PwgRasterSettings& bitmap_settings,
  68       base::File bitmap_file);
  69
  70   void OnGetPrinterCapsAndDefaults(const std::string& printer_name);
  71   void OnGetPrinterSemanticCapsAndDefaults(const std::string& printer_name);
  72
  73   DISALLOW_COPY_AND_ASSIGN(PrintingHandler);
  74 };
  75
  76 #endif  // CHROME_UTILITY_PRINTING_HANDLER_H_