src/hbservers/hbthemeserver/hbcache_p.h
changeset 0 16d8024aca5e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbservers/hbthemeserver/hbcache_p.h	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,76 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbServers module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** 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, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#ifndef HBCACHE_H
+#define HBCACHE_H
+
+#include <hbglobal.h>
+#include <QHash>
+#include <QList>
+
+struct HbCacheItem
+{
+    int offset;
+    int refCount;
+    QString fileName;
+
+    HbCacheItem(int off = -1, int count = 0, const QString &fName = QString())
+            : offset(off),
+            refCount(count),
+            fileName(fName)
+    {
+
+    }
+    void incrementRefCount()
+    {
+        refCount++;
+    }
+    void decrementRefCount()
+    {
+        refCount--;
+    }
+};
+
+class HbCache
+{
+public:
+    HbCache();
+    ~HbCache();
+    void clear();
+    HbCacheItem* value(const QString &key) const;
+    HbCacheItem* cacheItem(const QString &key);
+    bool insert(const QString &key, HbCacheItem *item);
+    bool remove(const QString &key);
+    bool contains(const QString &key) const;
+    QList<HbCacheItem*> &lruList();
+    QHash<QString, HbCacheItem*> &cacheHandle();
+
+private:
+    QHash<QString, HbCacheItem*> cache;
+    QList<HbCacheItem*> unusedResources;
+};
+
+
+#endif /* HBCACHE_H */