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   // IPC::Listener:
  31   bool OnMessageReceived(const IPC::Message& message) override;
  32
  33  private:
  34   // IPC message handlers.
  35 #if defined(OS_WIN)
  36   void OnRenderPDFPagesToMetafile(IPC::PlatformFileForTransit pdf_transit,
  37                                   const printing::PdfRenderSettings& settings);
  38   void OnRenderPDFPagesToMetafileGetPage(
  39       int page_number,
  40       IPC::PlatformFileForTransit output_file);
  41   void OnRenderPDFPagesToMetafileStop();
  42 #endif  // OS_WIN
  43 #if defined(ENABLE_PRINT_PREVIEW)
  44   void OnRenderPDFPagesToPWGRaster(
  45       IPC::PlatformFileForTransit pdf_transit,
  46       const printing::PdfRenderSettings& settings,
  47       const printing::PwgRasterSettings& bitmap_settings,
  48       IPC::PlatformFileForTransit bitmap_transit);
  49 #endif  // ENABLE_PRINT_PREVIEW
  50
  51 #if defined(OS_WIN)
  52   int LoadPDF(base::File pdf_file);
  53   bool RenderPdfPageToMetafile(int page_number,
  54                                base::File output_file,
  55                                float* scale_factor);
  56 #endif  // OS_WIN
  57 #if defined(ENABLE_PRINT_PREVIEW)
  58   bool RenderPDFPagesToPWGRaster(
  59       base::File pdf_file,
  60       const printing::PdfRenderSettings& settings,
  61       const printing::PwgRasterSettings& bitmap_settings,
  62       base::File bitmap_file);
  63
  64   void OnGetPrinterCapsAndDefaults(const std::string& printer_name);
  65   void OnGetPrinterSemanticCapsAndDefaults(const std::string& printer_name);
  66 #endif  // ENABLE_PRINT_PREVIEW
  67
  68 #if defined(OS_WIN)
  69   std::vector<char> pdf_data_;
  70   printing::PdfRenderSettings pdf_rendering_settings_;
  71 #endif
  72
  73   DISALLOW_COPY_AND_ASSIGN(PrintingHandler);
  74 };
  75
  76 #endif  // CHROME_UTILITY_PRINTING_HANDLER_H_