src/gui/kernel/qclipboard_p.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/kernel/qclipboard_p.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,131 @@
+/****************************************************************************
+**
+** 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 QCLIPBOARD_P_H
+#define QCLIPBOARD_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "private/qobject_p.h"
+#include "QtGui/qmime.h"
+#include "QtGui/qclipboard.h"
+
+QT_BEGIN_NAMESPACE
+
+class QClipboardPrivate;
+
+class QMimeDataWrapper : public QMimeSource
+{
+public:
+    QMimeDataWrapper() {}
+
+    const char* format(int n) const;
+    QByteArray encodedData(const char*) const;
+
+    mutable QList<QByteArray> formats;
+    const QMimeData *data;
+};
+
+class QMimeSourceWrapper : public QMimeData
+{
+public:
+    QMimeSourceWrapper(QClipboardPrivate *priv, QClipboard::Mode m);
+    ~QMimeSourceWrapper();
+
+    bool hasFormat(const QString &mimetype) const;
+    QStringList formats() const;
+
+protected:
+    QVariant retrieveData(const QString &mimetype, QVariant::Type) const;
+private:
+    QClipboardPrivate *d;
+    QClipboard::Mode mode;
+    QMimeSource *source;
+};
+
+
+class QClipboardPrivate : public QObjectPrivate
+{
+public:
+    QClipboardPrivate() : QObjectPrivate() {
+        for (int i = 0; i <= QClipboard::LastMode; ++i) {
+            compat_data[i] = 0;
+            wrapper[i] = new QMimeDataWrapper();
+        }
+    }
+    ~QClipboardPrivate() {
+        for (int i = 0; i <= QClipboard::LastMode; ++i) {
+            delete wrapper[i];
+            delete compat_data[i];
+        }
+    }
+
+    mutable QMimeDataWrapper *wrapper[QClipboard::LastMode + 1];
+    mutable QMimeSource *compat_data[QClipboard::LastMode + 1];
+};
+
+inline QMimeSourceWrapper::QMimeSourceWrapper(QClipboardPrivate *priv, QClipboard::Mode m)
+    : QMimeData()
+{
+    d = priv;
+    mode = m;
+    source = d->compat_data[mode];
+}
+
+inline QMimeSourceWrapper::~QMimeSourceWrapper()
+{
+    if (d->compat_data[mode] == source)
+        d->compat_data[mode] = 0;
+    delete source;
+}
+
+QT_END_NAMESPACE
+
+#endif // QCLIPBOARD_P_H