src/gui/kernel/qmime.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qmime.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,176 @@
+/****************************************************************************
+**
+** 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_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_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_NAMESPACE
+typedef 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_MAC
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QMIME_H