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// Copyright 2021 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_IOS_BACKGROUND_DOWNLOAD_TASK_HELPER_H_
#define COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_IOS_BACKGROUND_DOWNLOAD_TASK_HELPER_H_
#include <memory>
#include <string>
#include "base/functional/callback.h"
namespace base {
class FilePath;
} // namespace base
namespace download {
struct RequestParams;
struct SchedulingParams;
// Helper class to perform background download with iOS platform API.
// Notes:
// 1. Needs to debug on real device, with Xcode debugger detached to make the
// device enter background session.
// 2. If the user kills the app in multitask window, the session is deleted, the
// app will not be waked up to resume the download.
class BackgroundDownloadTaskHelper {
public:
// Callback with whether download is succeeded and the file path and the file
// size of the succeeded download.
using CompletionCallback =
base::OnceCallback<void(bool, const base::FilePath&, int64_t)>;
// Callback with number of bytes downloaded.
using UpdateCallback = base::RepeatingCallback<void(int64_t)>;
static std::unique_ptr<BackgroundDownloadTaskHelper> Create();
// For test only:
// Ignore the SSL errors for request https://127.0.0.1/...
// that are used to access EmbeddedTestServer.
// This will allow features that use BackgroundDownloadService
// to be tested using EmbeddedTestServer.
static void SetIgnoreLocalSSLErrorForTesting(bool ignore);
BackgroundDownloadTaskHelper() = default;
virtual ~BackgroundDownloadTaskHelper() = default;
BackgroundDownloadTaskHelper(const BackgroundDownloadTaskHelper&) = delete;
BackgroundDownloadTaskHelper& operator=(const BackgroundDownloadTaskHelper&) =
delete;
// Starts a download.
virtual void StartDownload(const std::string& guid,
const base::FilePath& target_path,
const RequestParams& request_params,
const SchedulingParams& scheduling_params,
CompletionCallback completion_callback,
UpdateCallback update_callback) = 0;
// Called to handle events for background download.
virtual void HandleEventsForBackgroundURLSession(
base::OnceClosure completion_handler) {}
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_INTERNAL_BACKGROUND_SERVICE_IOS_BACKGROUND_DOWNLOAD_TASK_HELPER_H_
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