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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_PUBLIC_BACKGROUND_SERVICE_BASIC_TASK_SCHEDULER_H_
#define COMPONENTS_DOWNLOAD_PUBLIC_BACKGROUND_SERVICE_BASIC_TASK_SCHEDULER_H_
#include <map>
#include "base/cancelable_callback.h"
#include "base/component_export.h"
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "components/download/public/task/task_scheduler.h"
namespace download {
class BackgroundDownloadService;
// A TaskScheduler implementation that doesn't do anything but posts the task
// after the specified delay.
class COMPONENT_EXPORT(COMPONENTS_DOWNLOAD_PUBLIC_BACKGROUND_SERVICE)
BasicTaskScheduler : public download::TaskScheduler {
public:
explicit BasicTaskScheduler(
const base::RepeatingCallback<BackgroundDownloadService*()>&
get_download_service);
BasicTaskScheduler(const BasicTaskScheduler& other) = delete;
BasicTaskScheduler& operator=(const BasicTaskScheduler& other) = delete;
~BasicTaskScheduler() override;
// TaskScheduler implementation.
void ScheduleTask(download::DownloadTaskType task_type,
bool require_unmetered_network,
bool require_charging,
int optimal_battery_percentage,
int64_t window_start_time_seconds,
int64_t window_end_time_seconds) override;
void CancelTask(download::DownloadTaskType task_type) override;
private:
void RunScheduledTask(download::DownloadTaskType task_type);
void OnTaskFinished(bool reschedule);
// Keeps track of scheduled tasks so that they can be cancelled.
std::map<download::DownloadTaskType, base::CancelableOnceClosure>
scheduled_tasks_;
base::RepeatingCallback<BackgroundDownloadService*()> get_download_service_;
base::WeakPtrFactory<BasicTaskScheduler> weak_factory_{this};
};
} // namespace download
#endif // COMPONENTS_DOWNLOAD_PUBLIC_BACKGROUND_SERVICE_BASIC_TASK_SCHEDULER_H_
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