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// Copyright 2016 The Chromium Authors
// 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 "printing/buildflags/buildflags.h"
#include "printing/mojom/print.mojom.h"
#if BUILDFLAG(USE_CUPS)
#include "printing/backend/cups_connection.h"
#include "printing/backend/print_backend_cups_ipp.h"
#endif // BUILDFLAG(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:
PrintBackendChromeOS() = default;
// PrintBackend implementation.
mojom::ResultCode EnumeratePrinters(PrinterList& printer_list) override;
mojom::ResultCode GetDefaultPrinterName(
std::string& default_printer) override;
mojom::ResultCode GetPrinterBasicInfo(
const std::string& printer_name,
PrinterBasicInfo* printer_info) override;
mojom::ResultCode GetPrinterSemanticCapsAndDefaults(
const std::string& printer_name,
PrinterSemanticCapsAndDefaults* printer_info) override;
std::vector<std::string> GetPrinterDriverInfo(
const std::string& printer_name) override;
bool IsValidPrinter(const std::string& printer_name) override;
protected:
~PrintBackendChromeOS() override = default;
};
mojom::ResultCode PrintBackendChromeOS::EnumeratePrinters(
PrinterList& printer_list) {
return mojom::ResultCode::kSuccess;
}
mojom::ResultCode PrintBackendChromeOS::GetPrinterBasicInfo(
const std::string& printer_name,
PrinterBasicInfo* printer_info) {
return mojom::ResultCode::kFailed;
}
mojom::ResultCode PrintBackendChromeOS::GetPrinterSemanticCapsAndDefaults(
const std::string& printer_name,
PrinterSemanticCapsAndDefaults* printer_info) {
NOTREACHED();
}
std::vector<std::string> PrintBackendChromeOS::GetPrinterDriverInfo(
const std::string& printer_name) {
NOTREACHED();
}
mojom::ResultCode PrintBackendChromeOS::GetDefaultPrinterName(
std::string& default_printer) {
default_printer = std::string();
return mojom::ResultCode::kSuccess;
}
bool PrintBackendChromeOS::IsValidPrinter(const std::string& printer_name) {
NOTREACHED();
}
// static
scoped_refptr<PrintBackend> PrintBackend::CreateInstanceImpl(
const std::string& /*locale*/) {
#if BUILDFLAG(USE_CUPS)
return base::MakeRefCounted<PrintBackendCupsIpp>(CupsConnection::Create());
#else
return base::MakeRefCounted<PrintBackendChromeOS>();
#endif // BUILDFLAG(USE_CUPS)
}
} // namespace printing
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