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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_LOG_SINK_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_LOG_SINK_H_
#include "components/download/internal/background_service/constants.h"
#include "components/download/internal/background_service/startup_status.h"
#include "components/download/public/background_service/download_params.h"
namespace download {
struct Entry;
// A destination for all interesting events from internal components.
class LogSink {
public:
virtual ~LogSink() = default;
// To be called whenever the StartupStatus/Controller::State changes.
virtual void OnServiceStatusChanged() = 0;
// To be called whenever the list of underlying Entry objects is ready to be
// queried by external log entities.
virtual void OnServiceDownloadsAvailable() = 0;
// To be called whenever the state the download represented by |guid| changes.
virtual void OnServiceDownloadChanged(const std::string& guid) = 0;
// To be called whenever a download fails.
virtual void OnServiceDownloadFailed(CompletionType completion_type,
const Entry& entry) = 0;
// To be called whenever a request has been made of the download service.
virtual void OnServiceRequestMade(
DownloadClient client,
const std::string& guid,
DownloadParams::StartResult start_result) = 0;
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_LOG_SINK_H_
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