// Copyright (C) 2016 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 QIOSWINDOW_H
#define QIOSWINDOW_H

#include <qpa/qplatformwindow.h>
#include <qpa/qwindowsysteminterface.h>

#import <UIKit/UIKit.h>

class QIOSContext;
class QIOSWindow;

@class QUIView;

QT_BEGIN_NAMESPACE

class QIOSWindow : public QObject, public QPlatformWindow
{
    Q_OBJECT

public:
    explicit QIOSWindow(QWindow *window, WId nativeHandle = 0);
    ~QIOSWindow();

    void setGeometry(const QRect &rect) override;

    void setWindowState(Qt::WindowStates state) override;
    void setParent(const QPlatformWindow *window) override;
    void handleContentOrientationChange(Qt::ScreenOrientation orientation) override;
    void setVisible(bool visible) override;
    void setOpacity(qreal level) override;

    bool isExposed() const override;
    void propagateSizeHints() override {}

    QMargins safeAreaMargins() const override;

    void raise() override{ raiseOrLower(true); }
    void lower() override { raiseOrLower(false); }

    bool shouldAutoActivateWindow() const;
    void requestActivateWindow() override;

    qreal devicePixelRatio() const override;

    bool setMouseGrabEnabled(bool grab) override { return grab; }
    bool setKeyboardGrabEnabled(bool grab) override { return grab; }

    WId winId() const override { return WId(m_view); }

    void clearAccessibleCache();

    QSurfaceFormat format() const override;

    void requestUpdate() override;

    void setMask(const QRegion &region) override;

#if QT_CONFIG(opengl)
    CAEAGLLayer *eaglLayer() const;
#endif

    bool isForeignWindow() const override;
    UIView *view() const;

private:
    void applicationStateChanged(Qt::ApplicationState state);
    void applyGeometry(const QRect &rect);

    UIView *m_view;

    QRect m_normalGeometry;
    int m_windowLevel;

    void raiseOrLower(bool raise);
    void updateWindowLevel();
    bool blockedByModal();

    friend class QIOSScreen;
};

#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug debug, const QIOSWindow *window);
#endif

QT_MANGLE_NAMESPACE(QUIView) *quiview_cast(UIView *view);

QT_END_NAMESPACE

#endif // QIOSWINDOW_H