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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QWASMSCREEN_H
#define QWASMSCREEN_H
#include "qwasmcursor.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 QWasmEventTranslator;
class QOpenGLContext;
class QWasmScreen : public QObject, public QPlatformScreen
{
Q_OBJECT
public:
QWasmScreen(const emscripten::val &containerOrCanvas);
~QWasmScreen();
void deleteScreen();
static QWasmScreen *get(QPlatformScreen *screen);
static QWasmScreen *get(QScreen *screen);
emscripten::val container() const;
emscripten::val canvas() const;
QString canvasId() const;
QString canvasTargetId() const;
QWasmCompositor *compositor();
QWasmEventTranslator *eventTranslator();
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 *topWindow() const;
QWindow *topLevelAt(const QPoint &p) const override;
QPoint translateAndClipGlobalPoint(const QPoint &p) const;
void invalidateSize();
void updateQScreenAndCanvasRenderSize();
void installCanvasResizeObserver();
static void canvasResizeObserverCallback(emscripten::val entries, emscripten::val);
public slots:
void setGeometry(const QRect &rect);
private:
std::string canvasSpecialHtmlTargetId() const;
bool hasSpecialHtmlTargets() const;
emscripten::val m_container;
emscripten::val m_canvas;
std::unique_ptr<QWasmCompositor> m_compositor;
std::unique_ptr<QWasmEventTranslator> m_eventTranslator;
QRect m_geometry = QRect(0, 0, 100, 100);
int m_depth = 32;
QImage::Format m_format = QImage::Format_RGB32;
QWasmCursor m_cursor;
static const char * m_canvasResizeObserverCallbackContextPropertyName;
std::unique_ptr<qstdweb::EventCallback> m_onContextMenu;
};
QT_END_NAMESPACE
#endif // QWASMSCREEN_H
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