/******************************************************************************** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).** All rights reserved.** Contact: Nokia Corporation (qt-info@nokia.com)**** This file is part of the QtGui module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL$** No Commercial Usage** This file contains pre-release code and may not be distributed.** You may use this file in accordance with the terms and conditions** contained in the Technology Preview License Agreement accompanying** this package.**** 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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** In addition, as a special exception, Nokia gives you certain additional** rights. These rights are described in the Nokia Qt LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** If you have questions regarding the use of this file, please contact** Nokia at qt-info@nokia.com.****************** $QT_END_LICENSE$******************************************************************************/#ifndef QMIME_H#define QMIME_H#include <QtCore/qmimedata.h>QT_BEGIN_HEADERQT_BEGIN_NAMESPACEQT_MODULE(Gui)class Q_GUI_EXPORT QMimeSource{public: virtual ~QMimeSource(); virtual const char* format(int n = 0) const = 0; virtual bool provides(const char*) const; virtual QByteArray encodedData(const char*) const = 0;};#if defined(Q_WS_WIN)QT_BEGIN_INCLUDE_NAMESPACEtypedef struct tagFORMATETC FORMATETC;typedef struct tagSTGMEDIUM STGMEDIUM;struct IDataObject;#include <QtCore/qvariant.h>QT_END_INCLUDE_NAMESPACE/* Encapsulation of conversion between MIME and Windows CLIPFORMAT. Not need on X11, as the underlying protocol uses the MIME standard directly.*/class Q_GUI_EXPORT QWindowsMime{public: QWindowsMime(); virtual ~QWindowsMime(); // for converting from Qt virtual bool canConvertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData) const = 0; virtual bool convertFromMime(const FORMATETC &formatetc, const QMimeData *mimeData, STGMEDIUM * pmedium) const = 0; virtual QVector<FORMATETC> formatsForMime(const QString &mimeType, const QMimeData *mimeData) const = 0; // for converting to Qt virtual bool canConvertToMime(const QString &mimeType, IDataObject *pDataObj) const = 0; virtual QVariant convertToMime(const QString &mimeType, IDataObject *pDataObj, QVariant::Type preferredType) const = 0; virtual QString mimeForFormat(const FORMATETC &formatetc) const = 0; static int registerMimeType(const QString &mime);private: friend class QClipboardWatcher; friend class QDragManager; friend class QDropData; friend class QOleDataObject; static QWindowsMime *converterToMime(const QString &mimeType, IDataObject *pDataObj); static QStringList allMimesForFormats(IDataObject *pDataObj); static QWindowsMime *converterFromMime(const FORMATETC &formatetc, const QMimeData *mimeData); static QVector<FORMATETC> allFormatsForMime(const QMimeData *mimeData);};#endif#if defined(Q_WS_MAC)/* Encapsulation of conversion between MIME and Mac flavor. Not needed on X11, as the underlying protocol uses the MIME standard directly.*/class Q_GUI_EXPORT QMacMime { //Obsolete char type;public: enum QMacMimeType { MIME_DND=0x01, MIME_CLIP=0x02, MIME_QT_CONVERTOR=0x04, MIME_ALL=MIME_DND|MIME_CLIP }; explicit QMacMime(char) { } virtual ~QMacMime() { } static void initialize() { } static QList<QMacMime*> all(QMacMimeType) { return QList<QMacMime*>(); } static QMacMime *convertor(QMacMimeType, const QString &, int) { return 0; } static QString flavorToMime(QMacMimeType, int) { return QString(); } virtual QString convertorName()=0; virtual int countFlavors()=0; virtual int flavor(int index)=0; virtual bool canConvert(const QString &mime, int flav)=0; virtual QString mimeFor(int flav)=0; virtual int flavorFor(const QString &mime)=0; virtual QVariant convertToMime(const QString &mime, QList<QByteArray> data, int flav)=0; virtual QList<QByteArray> convertFromMime(const QString &mime, QVariant data, int flav)=0;};class Q_GUI_EXPORT QMacPasteboardMime { char type;public: enum QMacPasteboardMimeType { MIME_DND=0x01, MIME_CLIP=0x02, MIME_QT_CONVERTOR=0x04, MIME_QT3_CONVERTOR=0x08, MIME_ALL=MIME_DND|MIME_CLIP }; explicit QMacPasteboardMime(char); virtual ~QMacPasteboardMime(); static void initialize(); static QList<QMacPasteboardMime*> all(uchar); static QMacPasteboardMime *convertor(uchar, const QString &mime, QString flav); static QString flavorToMime(uchar, QString flav); virtual QString convertorName() = 0; virtual bool canConvert(const QString &mime, QString flav) = 0; virtual QString mimeFor(QString flav) = 0; virtual QString flavorFor(const QString &mime) = 0; virtual QVariant convertToMime(const QString &mime, QList<QByteArray> data, QString flav) = 0; virtual QList<QByteArray> convertFromMime(const QString &mime, QVariant data, QString flav) = 0;};// ### Qt 5: Add const QStringList& QMacPasteboardMime::supportedFlavours()Q_GUI_EXPORT void qRegisterDraggedTypes(const QStringList &types);#endif // Q_WS_MACQT_END_NAMESPACEQT_END_HEADER#endif // QMIME_H