qwasmscreen.h - mozsearch

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// Copyright (C) 2018 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QWASMSCREEN_H

#define QWASMSCREEN_H

#include "qwasmcursor.h"

#include "qwasmwindowtreenode.h"

#include <qpa/qplatformscreen.h>

#include <QtCore/qscopedpointer.h>

#include <QtCore/qtextstream.h>

#include <QtCore/private/qstdweb_p.h>

#include <emscripten/val.h>

QT_BEGIN_NAMESPACE

class QPlatformOpenGLContext;

class QWasmWindow;

class QWasmBackingStore;

class QWasmCompositor;

class QOpenGLContext;

class QWasmScreen : public QObject, public QPlatformScreen, public QWasmWindowTreeNode<>

    Q_OBJECT

public:

    QWasmScreen(const emscripten::val &containerOrCanvas);

    ~QWasmScreen();

    void deleteScreen();

    static QWasmScreen *get(QPlatformScreen *screen);

    static QWasmScreen *get(QScreen *screen);

    emscripten::val element() const;

    QString outerScreenId() const;

    QPointingDevice *touchDevice() { return m_touchDevice.get(); }

    QPointingDevice *tabletDevice() { return m_tabletDevice.get(); }

    QWasmCompositor *compositor();

    QList<QWasmWindow *> allWindows() const;

    size_t topLevelWindowCount() const { return childStack().size(); }

    QRect geometry() const override;

    int depth() const override;

    QImage::Format format() const override;

    QDpi logicalDpi() const override;

    qreal devicePixelRatio() const override;

    QString name() const override;

    QPlatformCursor *cursor() const override;

    void resizeMaximizedWindows();

    QWindow *topLevelAt(const QPoint &p) const override;

    // QWasmWindowTreeNode:

    emscripten::val containerElement() final;

    QWasmWindowTreeNode *parentNode() final;

    QPointF mapFromLocal(const QPointF &p) const;

    QPointF clipPoint(const QPointF &p) const;

    void invalidateSize();

    void updateQScreenSize();

    void installCanvasResizeObserver();

public slots:

    void setGeometry(const QRect &rect);

private:

    emscripten::val m_container;

    emscripten::val m_intermediateContainer;

    emscripten::val m_shadowContainer;

    std::unique_ptr<QWasmCompositor> m_compositor;

    std::unique_ptr<QPointingDevice> m_touchDevice;

    std::unique_ptr<QPointingDevice> m_tabletDevice;

    QRect m_geometry;

    int m_depth = 32;

    QImage::Format m_format = QImage::Format_RGB32;

    QWasmCursor m_cursor;

    emscripten::val m_resizeObserver = emscripten::val::undefined();

    uint32_t m_resizeObserverHandlerIndex = 0;

    std::unique_ptr<qstdweb::EventCallback> m_onContextMenu;

};

QT_END_NAMESPACE

#endif // QWASMSCREEN_H