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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.
#ifndef PRINTING_BACKEND_PRINT_BACKEND_CUPS_H_
#define PRINTING_BACKEND_PRINT_BACKEND_CUPS_H_
#include <cups/cups.h>
#include <memory>
#include <string>
#include "base/component_export.h"
#include "base/files/file_path.h"
#include "printing/backend/cups_deleters.h"
#include "printing/backend/print_backend.h"
#include "printing/mojom/print.mojom.h"
#include "url/gurl.h"
namespace printing {
class PrintBackendCUPS : public PrintBackend {
public:
PrintBackendCUPS(const GURL& print_server_url,
http_encryption_t encryption,
bool blocking,
const std::string& locale);
// These static functions are exposed here for use in the tests.
COMPONENT_EXPORT(PRINT_BACKEND)
static mojom::ResultCode PrinterBasicInfoFromCUPS(
const cups_dest_t& printer,
PrinterBasicInfo* printer_info);
COMPONENT_EXPORT(PRINT_BACKEND)
static std::string PrinterDriverInfoFromCUPS(const cups_dest_t& printer);
private:
~PrintBackendCUPS() override;
// 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;
std::string GetPrinterCapabilities(const std::string& printer_name);
// The following functions are wrappers around corresponding CUPS functions.
// <functions>2() are called when print server is specified, and plain version
// in another case. There is an issue specifying CUPS_HTTP_DEFAULT in the
// functions>2(), it does not work in CUPS prior to 1.4.
int GetDests(cups_dest_t** dests);
base::FilePath GetPPD(const char* name);
// Wrapper around cupsGetNamedDest().
ScopedDestination GetNamedDest(const std::string& printer_name);
const std::string locale_;
const GURL print_server_url_;
http_encryption_t cups_encryption_;
const bool blocking_;
};
} // namespace printing
#endif // PRINTING_BACKEND_PRINT_BACKEND_CUPS_H_
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