qwasmanimationdriver_p.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

// Qt-Security score:significant reason:default

#ifndef QWASMANIMATIONDRIVER_P_H

#define QWASMANIMATIONDRIVER_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtCore/private/qglobal_p.h>

#include <QtCore/qabstractanimation.h>

#include <QtCore/qtimer.h>

#include <memory>

QT_BEGIN_NAMESPACE

class QUnifiedTimer;

class Q_CORE_EXPORT QWasmAnimationDriver : public QAnimationDriver

    Q_OBJECT

public:

    QWasmAnimationDriver(QUnifiedTimer *unifiedTimer);

    ~QWasmAnimationDriver() override;

    qint64 elapsed() const override;

protected:

    void start() override;

    void stop() override;

private:

    void handleAnimationFrame(double timestamp);

    void handleFallbackTimeout();

    double getCurrentTimeFromTimeline() const;

    QTimer fallbackTimer;

    uint32_t m_animateCallbackHandle = 0;

    double m_startTimestamp = 0;

    double m_currentTimestamp = 0;

};

QT_END_NAMESPACE

#endif // QWASMANIMATIONDRIVER_P_H