/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#ifndef QXCBNATIVEINTERFACE_H
#define QXCBNATIVEINTERFACE_H

#include <qpa/qplatformnativeinterface.h>
#include <xcb/xcb.h>

#include <QtCore/QRect>

QT_BEGIN_NAMESPACE

class QWidget;
class QXcbScreen;
class QXcbConnection;

class QXcbNativeInterface : public QPlatformNativeInterface
{
    Q_OBJECT
public:
    enum ResourceType {
        Display,
        EglDisplay,
        Connection,
        Screen,
        GraphicsDevice,
        EglContext,
        GLXContext,
        AppTime,
        AppUserTime,
        ScreenHintStyle,
        StartupId,
        TrayWindow,
        GetTimestamp
    };

    QXcbNativeInterface();

    void *nativeResourceForIntegration(const QByteArray &resource) Q_DECL_OVERRIDE;
    void *nativeResourceForContext(const QByteArray &resourceString, QOpenGLContext *context);
    void *nativeResourceForScreen(const QByteArray &resource, QScreen *screen);
    void *nativeResourceForWindow(const QByteArray &resourceString, QWindow *window);

    NativeResourceForContextFunction nativeResourceFunctionForContext(const QByteArray &resource);
    NativeResourceForScreenFunction nativeResourceFunctionForScreen(const QByteArray &resource) Q_DECL_OVERRIDE;

    inline const QByteArray &genericEventFilterType() const { return m_genericEventFilterType; }

    void *displayForWindow(QWindow *window);
    void *eglDisplayForWindow(QWindow *window);
    void *connectionForWindow(QWindow *window);
    void *screenForWindow(QWindow *window);
    void *graphicsDeviceForWindow(QWindow *window);
    void *appTime(const QXcbScreen *screen);
    void *appUserTime(const QXcbScreen *screen);
    void *getTimestamp(const QXcbScreen *screen);
    void *startupId();
    static void setAppTime(QScreen *screen, xcb_timestamp_t time);
    static void setAppUserTime(QScreen *screen, xcb_timestamp_t time);
    static void *eglContextForContext(QOpenGLContext *context);
    static void *glxContextForContext(QOpenGLContext *context);

    Q_INVOKABLE void beep();
    Q_INVOKABLE bool systemTrayAvailable(const QScreen *screen) const;
    Q_INVOKABLE bool requestSystemTrayWindowDock(const QWindow *window);
    Q_INVOKABLE QRect systemTrayWindowGlobalGeometry(const QWindow *window);

signals:
    void systemTrayWindowChanged(QScreen *screen);

private:
    const QByteArray m_genericEventFilterType;

    static QXcbScreen *qPlatformScreenForWindow(QWindow *window);
};

QT_END_NAMESPACE

#endif // QXCBNATIVEINTERFACE_H