Make KFilePreviewGenerator independent from the view implementation, so that it is no requirement that a QAbstractItemView is used -> the view implementation can also be based on QGraphicsView like done in the FolderView Plasmoid.

Patch provided by Fredrik Höglund.

CCMAIL: [email protected]

svn path=/trunk/KDE/kdebase/apps/; revision=863845

1 files changed, 51 insertions, 0 deletions

diff --git a/src/kabstractviewadapter_p.h b/src/kabstractviewadapter_p.h
new file mode 100644
index 000000000..0291fa897
--- /dev/null
+++ b/src/kabstractviewadapter_p.h
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ *   Copyright (C) 2008 by Fredrik Höglund <[email protected]>                   *
+ *                                                                             *
+ *   This library is free software; you can redistribute it and/or             *
+ *   modify it under the terms of the GNU Library General Public               *
+ *   License as published by the Free Software Foundation; either              *
+ *   version 2 of the License, or (at your option) any later version.          *
+ *                                                                             *
+ *   This library is distributed in the hope that it will be useful,           *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
+ *   Library General Public License for more details.                          *
+ *                                                                             *
+ *   You should have received a copy of the GNU Library General Public License *
+ *   along with this library; see the file COPYING.LIB.  If not, write to      *
+ *   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,      *
+ *   Boston, MA 02110-1301, USA.                                               *
+ *******************************************************************************/
+
+#ifndef KABSTRACTVIEWADAPTER_H
+#define KABSTRACTVIEWADAPTER_H
+
+#include <QObject>
+
+class QModelIndex;
+class KDirModel;
+class QPalette;
+class QRect;
+class QSize;
+
+/*
+ * Interface used by KFilePreviewGenerator to generate previews
+ * for files. The interface allows KFilePreviewGenerator to be
+ * independent from the view implementation.
+ */
+class AbstractViewAdapter : public QObject
+{
+public:
+    enum Signal { ScrollBarValueChanged };
+
+    AbstractViewAdapter(QObject *parent) : QObject(parent) {}
+    virtual QObject *createMimeTypeResolver(KDirModel*) const = 0;
+    virtual QSize iconSize() const = 0;
+    virtual QPalette palette() const = 0;
+    virtual QRect visibleArea() const = 0;
+    virtual QRect visualRect(const QModelIndex &index) const = 0;
+    virtual void connect(Signal signal, QObject *receiver, const char *slot) = 0;
+};
+
+#endif
+