create an UnZip derived class for zip file extraction to allow showing progress while unzipping. Makes the unzip process somewhat interruptable and the UI more responsible.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16993 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 48 insertions, 0 deletions

diff --git a/rbutil/rbutilqt/rbunzip.cpp b/rbutil/rbutilqt/rbunzip.cpp
new file mode 100644
index 0000000000..85d175c63d
--- /dev/null
+++ b/rbutil/rbutilqt/rbunzip.cpp
@@ -0,0 +1,48 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *   Copyright (C) 2008 by Dominik Riebeling
+ *   $Id$
+ *
+ * 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 "rbunzip.h"

+#include <QtCore>

+

+

+UnZip::ErrorCode RbUnZip::extractArchive(const QString& dest)

+{

+    QStringList files = this->fileList();

+    UnZip::ErrorCode error;

+    m_abortunzip = false;

+

+    int total = files.size();

+    for(int i = 0; i < total; i++) {

+        qDebug() << __func__ << files.at(i);

+        error = this->extractFile(files.at(i), dest, UnZip::ExtractPaths);

+        emit unzipProgress(i, total);

+        QCoreApplication::processEvents(); // update UI

+        if(m_abortunzip)

+            error = SkipAll;

+        if(error != Ok)

+            break;

+    }

+    return error;

+}

+

+void RbUnZip::abortUnzip(void)

+{

+    m_abortunzip = true;

+}

+