printing/printing_context_chromeos.h

   1 // Copyright 2016 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_CHROMEOS_H_
   6 #define PRINTING_PRINTING_CONTEXT_CHROMEOS_H_
   7
   8 #include <memory>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/macros.h"
  13 #include "printing/backend/cups_connection.h"
  14 #include "printing/backend/cups_printer.h"
  15 #include "printing/printing_context.h"
  16
  17 namespace printing {
  18
  19 class PRINTING_EXPORT PrintingContextChromeos : public PrintingContext {
  20  public:
  21   explicit PrintingContextChromeos(Delegate* delegate);
  22   ~PrintingContextChromeos() override;
  23
  24   // PrintingContext implementation.
  25   void AskUserForSettings(int max_pages,
  26                           bool has_selection,
  27                           bool is_scripted,
  28                           PrintSettingsCallback callback) override;
  29   Result UseDefaultSettings() override;
  30   gfx::Size GetPdfPaperSizeDeviceUnits() override;
  31   Result UpdatePrinterSettings(bool external_preview,
  32                                bool show_system_dialog,
  33                                int page_count) override;
  34   Result NewDocument(const base::string16& document_name) override;
  35   Result NewPage() override;
  36   Result PageDone() override;
  37   Result DocumentDone() override;
  38   void Cancel() override;
  39   void ReleaseContext() override;
  40   printing::NativeDrawingContext context() const override;
  41
  42   Result StreamData(const std::vector<char>& buffer);
  43
  44  private:
  45   // Lazily initializes |printer_|.
  46   Result InitializeDevice(const std::string& device);
  47
  48   CupsConnection connection_;
  49   std::unique_ptr<CupsPrinter> printer_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(PrintingContextChromeos);
  52 };
  53
  54 }  // namespace printing
  55
  56 #endif  // PRINTING_PRINTING_CONTEXT_CHROMEOS_H_