diff -r 5db69f4c3d06 -r b048e15729d6 perfapps/piprofilerui/ui/hb/inc/piprofilerengine.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/perfapps/piprofilerui/ui/hb/inc/piprofilerengine.h	Fri Sep 03 17:11:21 2010 +0300
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+#ifndef PIPROFILEREGINE_H
+#define PIPROFILEREGINE_H
+
+#include <qobject.h>
+#include <qlist.h>
+
+#include "pluginattributes.h"
+
+class PIProfilerEnginePrivate;
+class GeneralAttributes;
+
+enum ProfilerEngineStatus
+{
+    PI_PROFILING = 0, PI_FINISHED_SUCCEFULLY, PI_ERROR
+};
+enum ProfilingMode
+{
+    PI_PROFILINGMODENORMAL = 0, PI_PROFILINGMODETIMED
+};
+enum ProfilingOutput
+{
+    PI_DEBUG_OUTPUT = 0, PI_FILE_OUTPUT
+};
+
+class PIProfilerEngine: public QObject
+{
+Q_OBJECT
+public:
+
+    /**
+     * Constructor
+     */
+    PIProfilerEngine();
+
+    /**
+     * Initilises engine
+     */
+    bool init();
+
+    /**
+     * Destructor
+     */
+    ~PIProfilerEngine();
+
+    /**
+     * Gets PI Profiler general settings
+     */
+    void getGeneralSettings(GeneralAttributes &settings);
+
+    /**
+     * Notifys engine that ui is ready
+     */
+    void notifyUIReady();
+
+    /**
+     * Saves general settings into engine
+     */
+    bool saveGeneralSettings(GeneralAttributes &settings);
+
+    /**
+     * Saves plug-in settings into engine
+     */
+    bool savePluginSettings(const PluginAttributes &pluginAttributes);
+
+    /**
+     * Starts normal profiling
+     */
+    bool startProfiling();
+
+    /**
+     * Starts timed profiling 
+     */
+    bool startTimedProfiling();
+
+    /**
+     * Stops profiling
+     */
+    void stopProfiling();
+
+    /**
+     * gets time limit for timed profiling
+     */
+    int getTimeLimit();
+
+    /**
+     * Sets PI profiler engine to continue running after ui is closed.
+     */
+    void leaveProfilingOnAfterClosing();
+
+    bool checkTraceLocationSanity(QString &location);
+
+signals:
+
+    /**
+     * Signal that is emitted when plug-in list is loaded
+     */
+    void pluginListUpdated(QList<PluginAttributes> &samplerList);
+
+    /**
+     * Signal that is emitted when profiling status is changed
+     */
+    void profilingStatusChanged(ProfilerEngineStatus status, const QString &text = 0,
+        ProfilingMode profilingMode = PI_PROFILINGMODENORMAL, ProfilingOutput output =
+            PI_FILE_OUTPUT);
+
+private:
+
+    // private implementation
+    PIProfilerEnginePrivate *mPrivate;
+
+private:
+    // Friend classes
+
+    friend class PIProfilerEnginePrivate;
+
+};
+
+#endif // PIPROFILEREGINE_H