diff -r 000000000000 -r 79c6a41cd166 idlefw/plugins/devicestatus/inc/aidevicestatuspluginengine.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlefw/plugins/devicestatus/inc/aidevicestatuspluginengine.h	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2006-2006 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:  Engine class for Device Status Plug-in
+*
+*/
+
+
+#ifndef AIDEVICESTATUSPLUGINENGINE_H
+#define AIDEVICESTATUSPLUGINENGINE_H
+
+#include <e32base.h>
+#include <aisystemuids.hrh>
+
+#include "aipublisherbroadcaster.h"
+#include "aidevicestatuspublisher.h"
+
+//device status plugin UI
+const TInt KImplUidDevStaPlugin = AI_UID_ECOM_IMPLEMENTATION_CONTENTPUBLISHER_DEVSTAPLUGIN;
+
+class MAiContentObserver;
+class MAiPropertyExtension;
+class MAiPublishPrioritizer;
+
+
+/**
+ *  @ingroup group_devicestatusplugin
+ *
+ *  Engine class for Device Status Plug-in
+ *
+ *  This class works as an engine for Device Status Plug-in.
+ *  It owns the publishers and communicates between them and
+ *	the subscribers.
+ *
+ *  @since S60 v3.2
+ */
+class CAiDeviceStatusPluginEngine : public CBase, public MAiPublisherBroadcaster
+    {
+
+public:
+
+    static CAiDeviceStatusPluginEngine* NewL( MAiContentObserver& aObserver, 
+                                                MAiPropertyExtension& aExtension,
+                                                MAiPublishPrioritizer& aPrioritizer);
+
+    virtual ~CAiDeviceStatusPluginEngine();
+
+    /**
+     * Resumes all publishers.
+     */
+    void ResumePublishersL();
+    
+    /**
+     * Refreshes all publishers.
+     * @param aClean Indicates if publishers should clean their content before
+     *                  re-publish.
+     */    
+    void RefreshPublishersL( TBool aClean );
+
+    /**
+     * Refreshes specific publishers.
+     * @param aContentId Indicates which publishers should publish their 
+     *                  content.
+     * @param aClean Indicates if publishers should clean their content before
+     *                  re-publish.
+     * @return ETrue if publisher informed that publish was successful.
+     */    
+    TBool RefreshPublishersL( TInt aContentId, TBool aClean );
+
+
+public: // from MAiPublisherBroadcaster
+    
+    TBool RefreshPriorizedPublishersL( TInt aContentId, TInt aPriority );
+
+
+private:
+
+    CAiDeviceStatusPluginEngine( MAiContentObserver& aObserver, 
+								    MAiPropertyExtension& aExtension,
+                                    MAiPublishPrioritizer& aPrioritizer);
+
+    void ConstructL();
+
+     /**
+      * Add Device Status publisher.
+      */
+    void AddPublisherL( MAiDeviceStatusPublisher* aPublisher );
+
+
+private: // data
+
+    /**
+     * Array of publishers.
+     * Own.
+     */
+    RPointerArray<MAiDeviceStatusPublisher> iPublishers;
+
+    /**
+     * Content observer.
+     * Not own.
+     */
+    MAiContentObserver* iContentObserver;
+
+    /**
+     * Property extension.
+     * Not own.
+     */
+    MAiPropertyExtension* iExtension;
+
+	/**
+	 * Content prioritizer.
+	 * Not own.
+	 */
+	MAiPublishPrioritizer* iPrioritizer;
+    };
+
+#endif // AIDEVICESTATUSPLUGINENGINE_H