displaymanager.h

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// Copyright (C) 2025 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QARKUI_DISPLAY_MANAGER_H
#define QARKUI_DISPLAY_MANAGER_H
 
#include <QtCore/private/qohoscommon_p.h>
#include <QtCore/qglobal.h>
#include <qohosdisplayinfo.h>
 
QT_BEGIN_NAMESPACE
 
namespace QArkUi {
 
class QOhosDisplayManager : public std::enable_shared_from_this<QOhosDisplayManager>
{
public:
    using JsDisplayId = QOhosDisplayInfo::JsDisplayId;
 
    struct CreateInfo
    {
        QOhosConsumer<QtOhos::JsState &, std::vector<QOhosDisplayInfo>> displaysUpdatedCb;
        QOhosConsumer<QtOhos::JsState &, JsDisplayId, QRectF> displayAvailableAreaChangedCb;
    };
 
    static std::shared_ptr<QOhosDisplayManager> create(QtOhos::JsState &jsState, CreateInfo createInfo);
 
    std::vector<QOhosDisplayInfo> getRegisteredDisplayInfos();
 
private:
    QOhosDisplayManager(QtOhos::JsState &jsState, CreateInfo createInfo);
 
    void registerDisplayCallbackListener(
        QNapi::Object displayModule, const std::string &eventName,
        QOhosConsumer<QtOhos::JsState &, QOhosDisplayInfo::JsDisplayId> handleFunction);
    bool tryRegisterDisplay(QtOhos::JsState &jsState, JsDisplayId displayId);
    void rebuildRegisteredDisplayList(QtOhos::JsState &jsState);
 
    std::vector<QOhosDisplayInfo> m_registeredDisplayInfos;
    std::vector<std::shared_ptr<void>> m_destroyNotifiers;
    std::map<JsDisplayId, std::shared_ptr<void>> m_perDisplayDestroyNotifiers;
    QOhosConsumer<QtOhos::JsState &, JsDisplayId, QRectF> m_availableAreaChangedCb;
};
 
QPoint mapFromDisplayToGlobal(const QPoint &displayOffset, QOhosDisplayInfo::JsDisplayId jsDisplayId);
 
}
 
QT_END_NAMESPACE
 
#endif