printing/printing_context_linux.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 PRINTING_PRINTING_CONTEXT_LINUX_H_
   6 #define PRINTING_PRINTING_CONTEXT_LINUX_H_
   7
   8 #include <string>
   9
  10 #include "printing/printing_context.h"
  11
  12 namespace base {
  13 class DictionaryValue;
  14 }
  15
  16 namespace printing {
  17
  18 class MetafilePlayer;
  19 class PrintDialogGtkInterface;
  20
  21 // PrintingContext with optional native UI for print dialog and pdf_paper_size.
  22 class PRINTING_EXPORT PrintingContextLinux : public PrintingContext {
  23  public:
  24   explicit PrintingContextLinux(Delegate* delegate);
  25   virtual ~PrintingContextLinux();
  26
  27   // Sets the function that creates the print dialog.
  28   static void SetCreatePrintDialogFunction(
  29       PrintDialogGtkInterface* (*create_dialog_func)(
  30           PrintingContextLinux* context));
  31
  32   // Sets the function that returns pdf paper size through the native API.
  33   static void SetPdfPaperSizeFunction(
  34       gfx::Size (*get_pdf_paper_size)(PrintingContextLinux* context));
  35
  36   // Prints the document contained in |metafile|.
  37   void PrintDocument(const MetafilePlayer& metafile);
  38
  39   // PrintingContext implementation.
  40   virtual void AskUserForSettings(
  41       int max_pages,
  42       bool has_selection,
  43       const PrintSettingsCallback& callback) override;
  44   virtual gfx::Size GetPdfPaperSizeDeviceUnits() override;
  45   virtual Result UseDefaultSettings() override;
  46   virtual Result UpdatePrinterSettings(bool external_preview,
  47                                        bool show_system_dialog) override;
  48   virtual Result InitWithSettings(const PrintSettings& settings) override;
  49   virtual Result NewDocument(const base::string16& document_name) override;
  50   virtual Result NewPage() override;
  51   virtual Result PageDone() override;
  52   virtual Result DocumentDone() override;
  53   virtual void Cancel() override;
  54   virtual void ReleaseContext() override;
  55   virtual gfx::NativeDrawingContext context() const override;
  56
  57  private:
  58   base::string16 document_name_;
  59   PrintDialogGtkInterface* print_dialog_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(PrintingContextLinux);
  62 };
  63
  64 }  // namespace printing
  65
  66 #endif  // PRINTING_PRINTING_CONTEXT_LINUX_H_