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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_PERFORMANCE_CONTROLS_BATTERY_SAVER_BUTTON_CONTROLLER_H_
#define CHROME_BROWSER_UI_PERFORMANCE_CONTROLS_BATTERY_SAVER_BUTTON_CONTROLLER_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/performance_manager/public/user_tuning/battery_saver_mode_manager.h"
class BatterySaverButtonControllerDelegate;
// This class controls the visibility of the battery saver toolbar button.
// It registers for battery saver mode change events with the user performance
// tuning manager and utilizes the delegate interface to update the visibility.
class BatterySaverButtonController : public performance_manager::user_tuning::
BatterySaverModeManager::Observer {
public:
BatterySaverButtonController();
~BatterySaverButtonController() override;
BatterySaverButtonController(const BatterySaverButtonController&) = delete;
BatterySaverButtonController& operator=(const BatterySaverButtonController&) =
delete;
// Init starts listening for performance manager events
void Init(BatterySaverButtonControllerDelegate* delegate);
// BatterySaverModeManager::Observer:
void OnBatterySaverActiveChanged(bool is_active) override;
private:
void UpdateVisibilityState(bool is_active);
private:
raw_ptr<BatterySaverButtonControllerDelegate> delegate_ = nullptr;
base::ScopedObservation<
performance_manager::user_tuning::BatterySaverModeManager,
performance_manager::user_tuning::BatterySaverModeManager::Observer>
battery_saver_observer_{this};
};
#endif // CHROME_BROWSER_UI_PERFORMANCE_CONTROLS_BATTERY_SAVER_BUTTON_CONTROLLER_H_
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