components/download/internal/background_service/debugging_client.h

// Copyright 2017 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_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_DEBUGGING_CLIENT_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_DEBUGGING_CLIENT_H_

#include "base/macros.h"
#include "components/download/public/background_service/client.h"

namespace download {

// An empty Client implementation that is meant to be used by debugging layers
// like the WebUI.
class DebuggingClient : public Client {
 public:
  DebuggingClient() = default;
  ~DebuggingClient() override = default;

 private:
  // Client implementation.
  void OnServiceInitialized(
      bool state_lost,
      const std::vector<DownloadMetaData>& downloads) override;
  void OnServiceUnavailable() override;
  ShouldDownload OnDownloadStarted(
      const std::string& guid,
      const std::vector<GURL>& url_chain,
      const scoped_refptr<const net::HttpResponseHeaders>& headers) override;
  void OnDownloadUpdated(const std::string& guid,
                         uint64_t bytes_uploaded,
                         uint64_t bytes_downloaded) override;
  void OnDownloadFailed(const std::string& guid,
                        const CompletionInfo& completion_info,
                        FailureReason reason) override;
  void OnDownloadSucceeded(const std::string& guid,
                           const CompletionInfo& completion_info) override;
  bool CanServiceRemoveDownloadedFile(const std::string& guid,
                                      bool force_delete) override;
  void GetUploadData(const std::string& guid,
                     GetUploadDataCallback callback) override;

  DISALLOW_COPY_AND_ASSIGN(DebuggingClient);
};

}  // namespace download

#endif  // COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_DEBUGGING_CLIENT_H_