blob: 62f1123dded85814c87cb1946738f4041db30447 [file] [log] [blame]
// 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_PUBLIC_CLIENTS_H_
#define COMPONENTS_DOWNLOAD_PUBLIC_CLIENTS_H_
#include <map>
#include <memory>
#include "components/download/public/client.h"
namespace download {
// A list of all clients that are able to make download requests through the
// DownloadService.
// To add a new client, update the metric DownloadService.DownloadClients in
// histograms.xml and make sure to keep this list in sync. Additions should be
// treated as APPEND ONLY to make sure to keep both UMA metric semantics correct
// but also to make sure the underlying database properly associates each
// download with the right client.
enum class DownloadClient {
// Test client values. Meant to be used by the testing framework and not
// production code. Callers will be unable to access the DownloadService with
// these test APIs.
TEST = -1,
TEST_2 = -2,
TEST_3 = -3,
// Represents an uninitialized DownloadClient variable.
INVALID = 0,
OFFLINE_PAGE_PREFETCH = 1,
BACKGROUND_FETCH = 2,
// Used by debug surfaces in the app (the WebUI, for example).
DEBUGGING = 3,
BOUNDARY = 4,
};
using DownloadClientMap = std::map<DownloadClient, std::unique_ptr<Client>>;
} // namespace download
#endif // COMPONENTS_DOWNLOAD_PUBLIC_CLIENTS_H_