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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.
#include "chrome/browser/ui/performance_controls/battery_saver_button_controller.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ui/performance_controls/battery_saver_button_controller_delegate.h"
BatterySaverButtonController::BatterySaverButtonController() = default;
BatterySaverButtonController::~BatterySaverButtonController() = default;
void BatterySaverButtonController::Init(
BatterySaverButtonControllerDelegate* delegate) {
DCHECK(delegate);
DCHECK(!battery_saver_observer_.IsObserving());
delegate_ = delegate;
auto* manager =
performance_manager::user_tuning::BatterySaverModeManager::GetInstance();
battery_saver_observer_.Observe(manager);
// Update the initial state of the delegate based on the current state
bool is_active = manager->IsBatterySaverActive();
UpdateVisibilityState(is_active);
}
void BatterySaverButtonController::OnBatterySaverActiveChanged(bool is_active) {
UpdateVisibilityState(is_active);
}
void BatterySaverButtonController::UpdateVisibilityState(bool is_active) {
if (is_active) {
delegate_->Show();
} else {
delegate_->Hide();
}
}
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