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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "printing/backend/print_backend.h"
#include "base/memory/ref_counted.h"
#include "base/notreached.h"
#include "base/values.h"
#if defined(USE_CUPS)
#include "printing/backend/cups_ipp_utils.h"
#include "printing/backend/print_backend_cups_ipp.h"
#endif // defined(USE_CUPS)
namespace printing {
// Provides either a stubbed out PrintBackend implementation or a CUPS IPP
// implementation for use on ChromeOS.
class PrintBackendChromeOS : public PrintBackend {
public:
explicit PrintBackendChromeOS(const std::string& locale);
// PrintBackend implementation.
bool EnumeratePrinters(PrinterList* printer_list) override;
std::string GetDefaultPrinterName() override;
bool GetPrinterBasicInfo(const std::string& printer_name,
PrinterBasicInfo* printer_info) override;
bool GetPrinterCapsAndDefaults(const std::string& printer_name,
PrinterCapsAndDefaults* printer_info) override;
bool GetPrinterSemanticCapsAndDefaults(
const std::string& printer_name,
PrinterSemanticCapsAndDefaults* printer_info) override;
std::string GetPrinterDriverInfo(const std::string& printer_name) override;
bool IsValidPrinter(const std::string& printer_name) override;
protected:
~PrintBackendChromeOS() override = default;
};
PrintBackendChromeOS::PrintBackendChromeOS(const std::string& locale)
: PrintBackend(locale) {}
bool PrintBackendChromeOS::EnumeratePrinters(PrinterList* printer_list) {
return true;
}
bool PrintBackendChromeOS::GetPrinterBasicInfo(const std::string& printer_name,
PrinterBasicInfo* printer_info) {
return false;
}
bool PrintBackendChromeOS::GetPrinterCapsAndDefaults(
const std::string& printer_name,
PrinterCapsAndDefaults* printer_info) {
NOTREACHED();
return false;
}
bool PrintBackendChromeOS::GetPrinterSemanticCapsAndDefaults(
const std::string& printer_name,
PrinterSemanticCapsAndDefaults* printer_info) {
NOTREACHED();
return false;
}
std::string PrintBackendChromeOS::GetPrinterDriverInfo(
const std::string& printer_name) {
NOTREACHED();
return std::string();
}
std::string PrintBackendChromeOS::GetDefaultPrinterName() {
return std::string();
}
bool PrintBackendChromeOS::IsValidPrinter(const std::string& printer_name) {
NOTREACHED();
return true;
}
// static
scoped_refptr<PrintBackend> PrintBackend::CreateInstanceImpl(
const base::DictionaryValue* print_backend_settings,
const std::string& locale,
bool /*for_cloud_print*/) {
#if defined(USE_CUPS)
return base::MakeRefCounted<PrintBackendCupsIpp>(
CreateConnection(print_backend_settings), locale);
#else
return base::MakeRefCounted<PrintBackendChromeOS>(locale);
#endif // defined(USE_CUPS)
}
} // namespace printing
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