host_power_save_blocker.h 1.7 KB

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  1. // Copyright 2016 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef REMOTING_HOST_HOST_POWER_SAVE_BLOCKER_H_
  5. #define REMOTING_HOST_HOST_POWER_SAVE_BLOCKER_H_
  6. #include <memory>
  7. #include <string>
  8. #include "base/memory/ref_counted.h"
  9. #include "base/memory/weak_ptr.h"
  10. #include "remoting/host/host_status_observer.h"
  11. #include "services/device/wake_lock/power_save_blocker/power_save_blocker.h"
  12. namespace base {
  13. class SingleThreadTaskRunner;
  14. } // namespace base
  15. namespace remoting {
  16. class HostStatusMonitor;
  17. // A HostStatusObserver to block screen saver from taking effect during the
  18. // lifetime of a remoting connection.
  19. class HostPowerSaveBlocker : public HostStatusObserver {
  20. public:
  21. HostPowerSaveBlocker(
  22. scoped_refptr<HostStatusMonitor> monitor,
  23. const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
  24. const scoped_refptr<base::SingleThreadTaskRunner>& file_task_runner);
  25. ~HostPowerSaveBlocker() override;
  26. void OnClientConnected(const std::string& jid) override;
  27. void OnClientDisconnected(const std::string& jid) override;
  28. private:
  29. friend class HostPowerSaveBlockerTest;
  30. scoped_refptr<HostStatusMonitor> monitor_;
  31. scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
  32. scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
  33. // The remoting host doesn't have access to the service manager, so it
  34. // instantiates device::PowerSaveBlocker directly: https://crbug.com/689423
  35. std::unique_ptr<device::PowerSaveBlocker> blocker_;
  36. };
  37. } // namespace remoting
  38. #endif // REMOTING_HOST_HOST_POWER_SAVE_BLOCKER_H_