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// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <map>
#include <memory>
#include <mutex>
#include <optional>
#include "common/common_types.h"
#include "core/hle/service/am/am_types.h"
namespace Core {
class System;
}
namespace Service::AM {
struct Applet;
class EventObserver;
enum class ButtonPressDuration {
ShortPressing,
MiddlePressing,
LongPressing,
};
class WindowSystem {
public:
explicit WindowSystem(Core::System& system);
~WindowSystem();
public:
void SetEventObserver(EventObserver* event_observer);
void Update();
void RequestUpdate();
public:
void TrackApplet(std::shared_ptr<Applet> applet, bool is_application);
std::shared_ptr<Applet> GetByAppletResourceUserId(u64 aruid);
std::shared_ptr<Applet> GetMainApplet();
std::shared_ptr<Applet> GetOverlayDisplayApplet();
public:
void RequestHomeMenuToGetForeground();
void RequestApplicationToGetForeground();
void RequestLockHomeMenuIntoForeground();
void RequestUnlockHomeMenuIntoForeground();
void RequestAppletVisibilityState(Applet& applet, bool visible);
public:
void OnOperationModeChanged();
void OnExitRequested();
void OnHomeButtonPressed(ButtonPressDuration type);
void OnSystemButtonPress(SystemButtonType type);
void OnCaptureButtonPressed(ButtonPressDuration type) {}
void OnPowerButtonPressed(ButtonPressDuration type) {}
private:
void UpdateCurrentApplicationLocked();
void NotifyApplicationChangedIfNeeded();
void PruneTerminatedAppletsLocked();
bool RestartAppletProcessLocked(Applet* applet);
bool LockHomeMenuIntoForegroundLocked();
void TerminateChildAppletsLocked(Applet* applet);
bool IsOverlayOpenLocked(const Applet& overlay) const;
bool DoesOverlayTakeInputLocked() const;
void UpdateAppletStateLocked(Applet* applet, bool is_foreground, bool overlay_takes_input);
void SendButtonAppletMessageLocked(AppletMessage message);
private:
// System reference.
Core::System& m_system;
// Event observer.
EventObserver* m_event_observer{};
// Lock.
std::mutex m_lock{};
// Home menu state.
bool m_home_menu_foreground_locked{};
Applet* m_foreground_requested_applet{};
// Foreground roots.
Applet* m_home_menu{};
Applet* m_application{};
Applet* m_overlay_display{};
// Applet map by aruid.
std::map<u64, std::shared_ptr<Applet>> m_applets{};
std::optional<u64> m_pending_application_notification{};
};
} // namespace Service::AM
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