If caching is disabled, still cache theme info and images in a temporary directory (which will be deleted once rbutil is closed) to prevent downling them every time the theme selection changes.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14704 a1c6a512-1295-4272-9138-f99709370657

rbutil/rbutilqt/utils.cpp

@@ -0,0 +1,45 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2007 by Dominik Wenger
+ *   $Id$
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "utils.h"
+
+#include <QDir>
+
+// recursive function to delete a dir with files
+bool recRmdir( const QString &dirName )
+{
+  QString dirN = dirName;
+  QDir dir(dirN);
+  QStringList list = dir.entryList(QDir::AllEntries); // make list of entries in directory
+  QFileInfo fileInfo;
+  QString curItem, lstAt;
+  for(int i = 0; i < list.size(); i++){ // loop through all items of list
+    QString name = list.at(i);
+    if(!(name == ".") && !(name == "..")){
+      curItem = dirN + "/" + name;
+      fileInfo.setFile(curItem);
+      if(fileInfo.isDir())      // is directory
+        recRmdir(curItem);      // call recRmdir() recursively for deleting subdirectory
+      else                      // is file
+        QFile::remove(curItem); // ok, delete file
+    }
+  }
+  dir.cdUp();
+  return dir.rmdir(dirN); // delete empty dir and return if (now empty) dir-removing was successfull
+}