printing/backend/print_backend_chromeos.cc

   1 // Copyright (c) 2012 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 #include "printing/backend/print_backend.h"
   6
   7 #include "base/logging.h"
   8
   9 namespace printing {
  10
  11 // Provides a stubbed out PrintBackend implementation for use on ChromeOS.
  12 class PrintBackendChromeOS : public PrintBackend {
  13  public:
  14   PrintBackendChromeOS();
  15
  16   // PrintBackend implementation.
  17   virtual bool EnumeratePrinters(PrinterList* printer_list) OVERRIDE;
  18   virtual std::string GetDefaultPrinterName() OVERRIDE;
  19   virtual bool GetPrinterSemanticCapsAndDefaults(
  20       const std::string& printer_name,
  21       PrinterSemanticCapsAndDefaults* printer_info) OVERRIDE;
  22   virtual bool GetPrinterCapsAndDefaults(
  23       const std::string& printer_name,
  24       PrinterCapsAndDefaults* printer_info) OVERRIDE;
  25   virtual std::string GetPrinterDriverInfo(
  26       const std::string& printer_name) OVERRIDE;
  27   virtual bool IsValidPrinter(const std::string& printer_name) OVERRIDE;
  28
  29  protected:
  30   virtual ~PrintBackendChromeOS() {}
  31 };
  32
  33 PrintBackendChromeOS::PrintBackendChromeOS() {}
  34
  35 bool PrintBackendChromeOS::EnumeratePrinters(PrinterList* printer_list) {
  36   return true;
  37 }
  38
  39 bool PrintBackendChromeOS::GetPrinterSemanticCapsAndDefaults(
  40     const std::string& printer_name,
  41     PrinterSemanticCapsAndDefaults* printer_info) {
  42   NOTREACHED();
  43   return false;
  44 }
  45
  46 bool PrintBackendChromeOS::GetPrinterCapsAndDefaults(
  47     const std::string& printer_name,
  48     PrinterCapsAndDefaults* printer_info) {
  49   NOTREACHED();
  50   return false;
  51 }
  52
  53 std::string PrintBackendChromeOS::GetPrinterDriverInfo(
  54     const std::string& printer_name) {
  55   NOTREACHED();
  56   return std::string();
  57 }
  58
  59 std::string PrintBackendChromeOS::GetDefaultPrinterName() {
  60   return std::string();
  61 }
  62
  63 bool PrintBackendChromeOS::IsValidPrinter(const std::string& printer_name) {
  64   NOTREACHED();
  65   return true;
  66 }
  67
  68 scoped_refptr<PrintBackend> PrintBackend::CreateInstance(
  69     const base::DictionaryValue* print_backend_settings) {
  70   return new PrintBackendChromeOS();
  71 }
  72
  73 }  // namespace printing
  74