| // 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_BACKGROUND_SERVICE_TASK_SCHEDULER_H_ |
| #define COMPONENTS_DOWNLOAD_PUBLIC_BACKGROUND_SERVICE_TASK_SCHEDULER_H_ |
| |
| #include <stdint.h> |
| |
| #include "components/download/public/background_service/download_task_types.h" |
| |
| namespace download { |
| |
| // A helper class backed by system APIs to schedule jobs in the background. The |
| // tasks can run independently of each other as long as they have different |
| // |task_type|. Scheduling another task of same |task_type| before the task is |
| // fired will cancel the previous task. |
| class TaskScheduler { |
| public: |
| // Schedules a task with the operating system. The system has the liberty of |
| // firing the task any time between |window_start_time_seconds| and |
| // |window_end_time_seconds|. If the trigger conditions are not met, the |
| // behavior is unknown. |
| virtual void ScheduleTask(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) = 0; |
| |
| // Cancels a pre-scheduled task of type |task_type|. |
| virtual void CancelTask(DownloadTaskType task_type) = 0; |
| |
| virtual ~TaskScheduler() {} |
| }; |
| |
| } // namespace download |
| |
| #endif // COMPONENTS_DOWNLOAD_PUBLIC_BACKGROUND_SERVICE_TASK_SCHEDULER_H_ |