components/printing/browser/printer_capabilities.h

// Copyright 2018 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.

#ifndef COMPONENTS_PRINTING_BROWSER_PRINTER_CAPABILITIES_H_
#define COMPONENTS_PRINTING_BROWSER_PRINTER_CAPABILITIES_H_

#include <memory>
#include <string>
#include <utility>

#include "base/memory/scoped_refptr.h"
#include "base/values.h"
#include "printing/backend/print_backend.h"

namespace printing {

struct PrinterBasicInfo;

extern const char kPrinter[];

// Extracts the printer display name and description from the
// appropriate fields in |printer| for the platform.
std::pair<std::string, std::string> GetPrinterNameAndDescription(
    const PrinterBasicInfo& printer);

// Returns the JSON representing printer capabilities for the device registered
// as |device_name| in the PrinterBackend.  The returned dictionary is suitable
// for passage to the WebUI. The settings are obtained using |print_backend| if
// it is provided. If |print_backend| is null, uses a new PrintBackend instance
// with default settings.
// Data from |basic_info| and |additional_papers| are incorporated into the
// returned dictionary.
base::Value GetSettingsOnBlockingPool(
    const std::string& device_name,
    const PrinterBasicInfo& basic_info,
    const PrinterSemanticCapsAndDefaults::Papers& additional_papers,
    scoped_refptr<PrintBackend> print_backend);

}  // namespace printing

#endif  // COMPONENTS_PRINTING_BROWSER_PRINTER_CAPABILITIES_H_