--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/xlsx/xlsxmediafile.cpp	Tue Mar 22 10:38:08 2016 +0100
@@ -0,0 +1,99 @@
+/****************************************************************************
+** Copyright (c) 2013-2014 Debao Zhang <hello@debao.me>
+** All right reserved.
+**
+** Permission is hereby granted, free of charge, to any person obtaining
+** a copy of this software and associated documentation files (the
+** "Software"), to deal in the Software without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Software, and to
+** permit persons to whom the Software is furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be
+** included in all copies or substantial portions of the Software.
+**
+** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+** NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+** LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+** OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+** WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+**
+****************************************************************************/
+
+#include "xlsxmediafile_p.h"
+#include <QCryptographicHash>
+
+namespace QXlsx {
+
+MediaFile::MediaFile(const QByteArray &bytes, const QString &suffix, const QString &mimeType)
+    : m_contents(bytes), m_suffix(suffix), m_mimeType(mimeType)
+      , m_index(0), m_indexValid(false)
+{
+    m_hashKey = QCryptographicHash::hash(m_contents, QCryptographicHash::Md5);
+}
+
+MediaFile::MediaFile(const QString &fileName)
+    :m_fileName(fileName), m_index(0), m_indexValid(false)
+{
+
+}
+
+void MediaFile::set(const QByteArray &bytes, const QString &suffix, const QString &mimeType)
+{
+    m_contents = bytes;
+    m_suffix = suffix;
+    m_mimeType = mimeType;
+    m_hashKey = QCryptographicHash::hash(m_contents, QCryptographicHash::Md5);
+    m_indexValid = false;
+}
+
+void MediaFile::setFileName(const QString &name)
+{
+    m_fileName = name;
+}
+
+QString MediaFile::fileName() const
+{
+    return m_fileName;
+}
+
+QString MediaFile::suffix() const
+{
+    return m_suffix;
+}
+
+QString MediaFile::mimeType() const
+{
+    return m_mimeType;
+}
+
+QByteArray MediaFile::contents() const
+{
+    return m_contents;
+}
+
+int MediaFile::index() const
+{
+    return m_index;
+}
+
+bool MediaFile::isIndexValid() const
+{
+    return m_indexValid;
+}
+
+void MediaFile::setIndex(int idx)
+{
+    m_index = idx;
+    m_indexValid = true;
+}
+
+QByteArray MediaFile::hashKey() const
+{
+    return m_hashKey;
+}
+
+} // namespace QXlsx