/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QXCBINTEGRATION_H
#define QXCBINTEGRATION_H

#include <qpa/qplatformintegration.h>
#include <qpa/qplatformscreen.h>

#include "qxcbexport.h"

QT_BEGIN_NAMESPACE

class QXcbConnection;
class QAbstractEventDispatcher;
class QXcbNativeInterface;
class QXcbScreen;

class Q_XCB_EXPORT QXcbIntegration : public QPlatformIntegration
{
public:
    QXcbIntegration(const QStringList &parameters, int &argc, char **argv);
    ~QXcbIntegration();

    QPlatformWindow *createPlatformWindow(QWindow *window) const Q_DECL_OVERRIDE;
#ifndef QT_NO_OPENGL
    QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const Q_DECL_OVERRIDE;
#endif
    QPlatformBackingStore *createPlatformBackingStore(QWindow *window) const Q_DECL_OVERRIDE;

    QPlatformOffscreenSurface *createPlatformOffscreenSurface(QOffscreenSurface *surface) const Q_DECL_OVERRIDE;

    bool hasCapability(Capability cap) const Q_DECL_OVERRIDE;
    QAbstractEventDispatcher *createEventDispatcher() const Q_DECL_OVERRIDE;
    void initialize() Q_DECL_OVERRIDE;

    void moveToScreen(QWindow *window, int screen);

    QPlatformFontDatabase *fontDatabase() const Q_DECL_OVERRIDE;

    QPlatformNativeInterface *nativeInterface()const Q_DECL_OVERRIDE;

#ifndef QT_NO_CLIPBOARD
    QPlatformClipboard *clipboard() const Q_DECL_OVERRIDE;
#endif
#ifndef QT_NO_DRAGANDDROP
    QPlatformDrag *drag() const Q_DECL_OVERRIDE;
#endif

    QPlatformInputContext *inputContext() const Q_DECL_OVERRIDE;

#ifndef QT_NO_ACCESSIBILITY
    QPlatformAccessibility *accessibility() const Q_DECL_OVERRIDE;
#endif

    QPlatformServices *services() const Q_DECL_OVERRIDE;

    Qt::KeyboardModifiers queryKeyboardModifiers() const Q_DECL_OVERRIDE;
    QList<int> possibleKeys(const QKeyEvent *e) const Q_DECL_OVERRIDE;

    QStringList themeNames() const Q_DECL_OVERRIDE;
    QPlatformTheme *createPlatformTheme(const QString &name) const Q_DECL_OVERRIDE;
    QVariant styleHint(StyleHint hint) const Q_DECL_OVERRIDE;

    QXcbConnection *defaultConnection() const { return m_connections.first(); }

    QByteArray wmClass() const;

#if !defined(QT_NO_SESSIONMANAGER) && defined(XCB_USE_SM)
    QPlatformSessionManager *createPlatformSessionManager(const QString &id, const QString &key) const Q_DECL_OVERRIDE;
#endif

    void sync() Q_DECL_OVERRIDE;
private:
    QList<QXcbConnection *> m_connections;

    QScopedPointer<QPlatformFontDatabase> m_fontDatabase;
    QScopedPointer<QXcbNativeInterface> m_nativeInterface;

    QScopedPointer<QPlatformInputContext> m_inputContext;

#ifndef QT_NO_ACCESSIBILITY
    mutable QScopedPointer<QPlatformAccessibility> m_accessibility;
#endif

    QScopedPointer<QPlatformServices> m_services;

    friend class QXcbConnection; // access QPlatformIntegration::screenAdded()

    mutable QByteArray m_wmClass;
    const char *m_instanceName;
    bool m_canGrab;
};

QT_END_NAMESPACE

#endif