--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/composerplugins/imagecomposer/inc/imagepresentobserver.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2006-2009 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:  image composer listener for setting pending image objects present
+ *
+*/
+
+
+#ifndef IMAGEPRESENTOBSERVER_H_
+#define IMAGEPRESENTOBSERVER_H_
+
+#include "mdeharvestersession.h"
+
+// forward declarations
+class CMdENamespaceDef;
+class CComposerImagePlugin;
+
+/**
+ *  CImagePresentObserver
+ * 
+ */
+class CImagePresentObserver : public CActive, public MMdEObjectPresentObserver
+	{
+public:
+
+	enum TRequest
+		{
+		ERequestIdle,
+		ERequestWaitPendingCount,
+		ERequestWaitPending,
+		ERequestProcess
+		} 
+	;
+	/**
+	 * Destructor.
+	 */
+	~CImagePresentObserver();
+
+	/**
+	 * Two-phased constructor.
+	 */
+	static CImagePresentObserver* NewL( CMdESession* aSession, CComposerImagePlugin* aComposer, 
+			CMdEHarvesterSession* aMdEHarvesterSession );
+
+    /**
+     * Set next request (=state) of this active object.
+     * @param aRequest  State enumeration.
+     */       
+    void SetNextRequest( TRequest aRequest );	
+	
+    /**
+     * Standard RunL-method.
+     * From CActive.
+     */       
+    void RunL();
+
+    /**
+     * From CActive.
+     */       
+    void DoCancel();
+
+    /**
+     * From CActive.
+     * @param aError  Leave error code.
+     * @return Always KErrNone.
+     */       
+    TInt RunError( TInt aError );
+		
+	
+protected:
+
+	/**
+	 * Called to notify the observer that objects has been set
+	 * to present or not present state in the metadata engine database.
+	 *
+	 * @param aSession session
+	 * @param aPresent state: ETrue - present or  EFales - not present
+	 * @param aObjectIdArray object IDs which are set to present state
+	 */
+	void HandleObjectPresentNotification(CMdESession& aSession, 
+			TBool aPresent, const RArray<TItemId>& aObjectIdArray);
+	
+private:
+
+	/**
+	 * Constructor for performing 1st stage construction
+	 */
+	CImagePresentObserver();
+
+	/**
+	 * EPOC default constructor for performing 2nd stage construction
+	 */
+	void ConstructL( CMdESession* aSession, CComposerImagePlugin* aComposer, CMdEHarvesterSession* aMdEHarvesterSession );
+	
+	void CleanUp();
+	
+
+	
+private:
+
+	/**
+	 * Pointer to default Mde namespace.
+	 */
+	CMdENamespaceDef* iDefaultNamespace;
+
+	/**
+	 * Pointer to Mde session.
+	 */
+	CMdESession* iSession;
+	
+	CMdEHarvesterSession* iMdEHarvesterSession;
+
+	/**
+	 * Pointer to a composer.
+	 */
+	CComposerImagePlugin* iComposer;	
+	
+	TGetPendingPgckWrapper* iPendingPckWrapper;
+	
+	RArray<TItemId> iPresentObjectIds;
+	RArray<TItemId> iPendingObjectIds;
+	RArray<TItemId> iComposeObjectIds;
+	
+    TRequest iNextRequest;
+    
+    TInt iPendingCount;
+    
+    CMdCSerializationBuffer* iPendingBuffer;
+    TBool iStarted;
+	
+	};
+
+#endif /*IMAGEPRESENTOBSERVER_H_*/
+