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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QWASMINTEGRATION_H
#define QWASMINTEGRATION_H
#include "qwasmwindow.h"
#include "qwasminputcontext.h"
#include <qpa/qplatformintegration.h>
#include <qpa/qplatformscreen.h>
#include <qpa/qplatforminputcontext.h>
#include <QtCore/qhash.h>
#include <private/qstdweb_p.h>
#include <emscripten.h>
#include <emscripten/html5.h>
#include <emscripten/val.h>
QT_BEGIN_NAMESPACE
class QWasmEventTranslator;
class QWasmFontDatabase;
class QWasmWindow;
class QWasmEventDispatcher;
class QWasmScreen;
class QWasmCompositor;
class QWasmBackingStore;
class QWasmClipboard;
class QWasmAccessibility;
class QWasmServices;
class QWasmDrag;
class QWasmIntegration : public QObject, public QPlatformIntegration
{
Q_OBJECT
public:
QWasmIntegration();
~QWasmIntegration();
bool hasCapability(QPlatformIntegration::Capability cap) const override;
QPlatformWindow *createPlatformWindow(QWindow *window) const override;
QPlatformBackingStore *createPlatformBackingStore(QWindow *window) const override;
#ifndef QT_NO_OPENGL
QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const override;
#endif
QPlatformOffscreenSurface *createPlatformOffscreenSurface(QOffscreenSurface *surface) const override;
QPlatformFontDatabase *fontDatabase() const override;
QAbstractEventDispatcher *createEventDispatcher() const override;
QVariant styleHint(QPlatformIntegration::StyleHint hint) const override;
Qt::WindowState defaultWindowState(Qt::WindowFlags flags) const override;
QStringList themeNames() const override;
QPlatformTheme *createPlatformTheme(const QString &name) const override;
QPlatformServices *services() const override;
QPlatformClipboard *clipboard() const override;
#ifndef QT_NO_ACCESSIBILITY
QPlatformAccessibility *accessibility() const override;
#endif
void initialize() override;
QPlatformInputContext *inputContext() const override;
#if QT_CONFIG(draganddrop)
QPlatformDrag *drag() const override;
#endif
QWasmClipboard *getWasmClipboard() { return m_clipboard; }
QWasmInputContext *getWasmInputContext() { return m_platformInputContext; }
static QWasmIntegration *get() { return s_instance; }
void setContainerElements(emscripten::val elementArray);
void addContainerElement(emscripten::val elementArray);
void removeContainerElement(emscripten::val elementArray);
void resizeScreen(const emscripten::val &canvas);
void updateDpi();
void resizeAllScreens();
void loadLocalFontFamilies(emscripten::val families);
void removeBackingStore(QWindow* window);
void releaseRequesetUpdateHold();
static quint64 getTimestamp();
int touchPoints;
private:
struct ScreenMapping {
emscripten::val emscriptenVal;
QWasmScreen *wasmScreen;
};
mutable QWasmFontDatabase *m_fontDb;
mutable QWasmServices *m_desktopServices;
mutable QHash<QWindow *, QWasmBackingStore *> m_backingStores;
QList<ScreenMapping> m_screens;
mutable QWasmClipboard *m_clipboard;
mutable QWasmAccessibility *m_accessibility;
qreal m_fontDpi = -1;
mutable QScopedPointer<QPlatformInputContext> m_inputContext;
static QWasmIntegration *s_instance;
mutable QWasmInputContext *m_platformInputContext = nullptr;
#if QT_CONFIG(draganddrop)
std::unique_ptr<QWasmDrag> m_drag;
#endif
};
QT_END_NAMESPACE
#endif // QWASMINTEGRATION_H
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