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 #include "printing/pdf_render_settings.h"
  13
  14 #if !defined(ENABLE_PRINT_PREVIEW) && !defined(OS_WIN)
  15 #error "Windows or full printing must be enabled"
  16 #endif
  17
  18 namespace printing {
  19 class PdfRenderSettings;
  20 struct PwgRasterSettings;
  21 struct PageRange;
  22 }
  23
  24 // Dispatches IPCs for printing.
  25 class PrintingHandler : public UtilityMessageHandler {
  26  public:
  27   PrintingHandler();
  28   ~PrintingHandler() override;
  29
  30   static void PreSandboxStartup();
  31
  32   // IPC::Listener:
  33   bool OnMessageReceived(const IPC::Message& message) override;
  34
  35  private:
  36   // IPC message handlers.
  37 #if defined(OS_WIN)
  38   void OnRenderPDFPagesToMetafile(IPC::PlatformFileForTransit pdf_transit,
  39                                   const printing::PdfRenderSettings& settings);
  40   void OnRenderPDFPagesToMetafileGetPage(
  41       int page_number,
  42       IPC::PlatformFileForTransit output_file);
  43   void OnRenderPDFPagesToMetafileStop();
  44 #endif  // OS_WIN
  45 #if defined(ENABLE_PRINT_PREVIEW)
  46   void OnRenderPDFPagesToPWGRaster(
  47       IPC::PlatformFileForTransit pdf_transit,
  48       const printing::PdfRenderSettings& settings,
  49       const printing::PwgRasterSettings& bitmap_settings,
  50       IPC::PlatformFileForTransit bitmap_transit);
  51 #endif  // ENABLE_PRINT_PREVIEW
  52
  53 #if defined(OS_WIN)
  54   int LoadPDF(base::File pdf_file);
  55   bool RenderPdfPageToMetafile(int page_number,
  56                                base::File output_file,
  57                                float* scale_factor);
  58 #endif  // OS_WIN
  59 #if defined(ENABLE_PRINT_PREVIEW)
  60   bool RenderPDFPagesToPWGRaster(
  61       base::File pdf_file,
  62       const printing::PdfRenderSettings& settings,
  63       const printing::PwgRasterSettings& bitmap_settings,
  64       base::File bitmap_file);
  65
  66   void OnGetPrinterCapsAndDefaults(const std::string& printer_name);
  67   void OnGetPrinterSemanticCapsAndDefaults(const std::string& printer_name);
  68 #endif  // ENABLE_PRINT_PREVIEW
  69
  70 #if defined(OS_WIN)
  71   std::vector<char> pdf_data_;
  72   printing::PdfRenderSettings pdf_rendering_settings_;
  73 #endif
  74
  75   DISALLOW_COPY_AND_ASSIGN(PrintingHandler);
  76 };
  77
  78 #endif  // CHROME_UTILITY_PRINTING_HANDLER_H_