| // Copyright 2018 The Chromium OS 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 POWER_MANAGER_POWERD_SYSTEM_DARK_RESUME_H_ |
| #define POWER_MANAGER_POWERD_SYSTEM_DARK_RESUME_H_ |
| |
| #include <string> |
| |
| #include <base/macros.h> |
| |
| #include "power_manager/common/prefs_observer.h" |
| #include "power_manager/powerd/system/dark_resume_interface.h" |
| |
| namespace power_manager { |
| |
| class PrefsInterface; |
| |
| namespace system { |
| |
| class WakeupSourceIdentifierInterface; |
| |
| // Newer implementation of dark resume. Uses per device (peripheral) wakeup |
| // count to identify the wake source. |
| class DarkResume : public DarkResumeInterface, public PrefsObserver { |
| public: |
| DarkResume(); |
| ~DarkResume() override; |
| |
| // Reads preferences on whether dark resume is enabled. |
| void Init(PrefsInterface* prefs, |
| WakeupSourceIdentifierInterface* wakeup_source_identifier); |
| |
| // DarkResumeInterface implementation: |
| void HandleSuccessfulResume() override; |
| bool InDarkResume() override; |
| bool IsEnabled() override; |
| void ExitDarkResume() override; |
| |
| // PrefsInterface::Observer implementation: |
| void OnPrefChanged(const std::string& pref_name) override; |
| |
| private: |
| void ReadDarkResumePref(); |
| |
| // Are we currently in dark resume? |
| bool in_dark_resume_ = false; |
| |
| // Is dark resume enabled? |
| bool enabled_ = false; |
| |
| PrefsInterface* prefs_; // weak |
| |
| WakeupSourceIdentifierInterface* wakeup_source_identifier_; // weak |
| |
| DISALLOW_COPY_AND_ASSIGN(DarkResume); |
| }; |
| |
| } // namespace system |
| } // namespace power_manager |
| |
| #endif // POWER_MANAGER_POWERD_SYSTEM_DARK_RESUME_H_ |