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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_ACCELERATORS_ACCELERATOR_PREFS_H_
#define ASH_ACCELERATORS_ACCELERATOR_PREFS_H_
#include "ash/accelerators/accelerator_prefs_delegate.h"
#include "ash/ash_export.h"
#include "ash/public/cpp/session/session_observer.h"
#include "base/observer_list.h"
#include "components/prefs/pref_change_registrar.h"
class PrefRegistrySimple;
class PrefService;
namespace ash {
// `AcceleratorPrefs` manages shortcut preference settings. It is used to
// register the prefs and observe the change in shortcut policy. It sends an
// updated to the |accelerator_controller_impl| and
// |accelerator_configuration_provider| whenever one of the shortcut policy
// changes.
class ASH_EXPORT AcceleratorPrefs : public SessionObserver {
public:
// This Observer class is used to observe changes to the shortcut policy.
class Observer : public base::CheckedObserver {
public:
~Observer() override = default;
// Called when shortcut policy changes.
virtual void OnShortcutPolicyUpdated() = 0;
};
explicit AcceleratorPrefs(std::unique_ptr<AcceleratorPrefsDelegate> delegate);
AcceleratorPrefs(const AcceleratorPrefs&) = delete;
AcceleratorPrefs& operator=(const AcceleratorPrefs&) = delete;
~AcceleratorPrefs() override;
// static
static void RegisterProfilePrefs(PrefRegistrySimple* registry);
// SessionObserver:
void OnActiveUserPrefServiceChanged(PrefService* prefs) override;
// Add and remove observers for shortcut policy changes.
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
void ObservePrefs(PrefService* prefs);
void OnCustomizationPolicyChanged();
bool IsCustomizationAllowed();
bool IsCustomizationAllowedByPolicy();
bool IsUserEnterpriseManaged();
private:
// The delegate responsible for communicating with between Ash and the
// Browser.
std::unique_ptr<AcceleratorPrefsDelegate> delegate_;
// List of observers for shortcut policy changes.
base::ObserverList<Observer> observers_;
// Registrar for observing pref changes.
std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_;
};
} // namespace ash
#endif // ASH_ACCELERATORS_ACCELERATOR_PREFS_H_
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