chromium/printing/backend/cups_connection.cc

// 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/cups_connection.h"

#include <map>
#include <memory>
#include <set>
#include <string>
#include <utility>

#include "base/logging.h"
#include "build/build_config.h"
#include "printing/backend/cups_helper.h"
#include "printing/backend/cups_jobs.h"

#if BUILDFLAG(IS_CHROMEOS)
#include "printing/backend/cups_connection_pool.h"
#endif

namespace printing {

namespace {

// The number of jobs we'll retrieve for a queue.  We expect a user to queue at
// most 10 jobs per printer.  If they queue more, they won't receive updates for
// the 11th job until one finishes.
constexpr int kProcessingJobsLimit = …;

// The number of completed jobs that are retrieved.  We only need one update for
// a completed job to confirm its final status.  We could retrieve one but we
// retrieve the last 3 in case that many finished between queries.
constexpr int kCompletedJobsLimit = …;

class DestinationEnumerator { … };

}  // namespace

QueueStatus::QueueStatus() = default;

QueueStatus::QueueStatus(const QueueStatus& other) = default;

QueueStatus::~QueueStatus() = default;

class CupsConnectionImpl : public CupsConnection { … };

std::unique_ptr<CupsConnection> CupsConnection::Create() { … }

}  // namespace printing