Moved QMediaStorageLocation out of the Android plugin.

It's now a private API in the QtMultimedia library in order to be
accessible in other plugins.

Change-Id: I63541de1e8c540cebc210f9037646ce74d866c6f
Reviewed-by: Christian Stromme <christian.stromme@digia.com>

src/multimedia/qmediastoragelocation_p.h

@@ -0,0 +1,80 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMEDIASTORAGELOCATION_H
+#define QMEDIASTORAGELOCATION_H
+
+#include <qtmultimediadefs.h>
+#include <QDir>
+#include <QMap>
+#include <QHash>
+#include <QMutex>
+
+QT_BEGIN_NAMESPACE
+
+class Q_MULTIMEDIA_EXPORT QMediaStorageLocation
+{
+public:
+    enum MediaType {
+        Movies,
+        Music,
+        Pictures,
+        Sounds
+    };
+
+    QMediaStorageLocation();
+
+    void addStorageLocation(MediaType type, const QString &location);
+
+    QDir defaultLocation(MediaType type) const;
+
+    QString generateFileName(const QString &requestedName, MediaType type, const QString &prefix, const QString &extension) const;
+    QString generateFileName(const QString &prefix, const QDir &dir, const QString &extension) const;
+
+private:
+    mutable QMutex m_mutex;
+    mutable QHash<QString, qint64> m_lastUsedIndex;
+    QMap<MediaType, QStringList> m_customLocations;
+};
+
+QT_END_NAMESPACE
+
+#endif // QMEDIASTORAGELOCATION_H