/*

* 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:  Composer image plug-in

*

*/

#include <mdeobject.h>

#include "composerplugin.h"

#include "imagecomposerao.h"

#include "locationrelationobserver.h"

#include "imagepresentobserver.h"

#include "mdeharvestersession.h"

#ifndef __CCOMPOSERIMAGEPLUGIN_H__

#define __CCOMPOSERIMAGEPLUGIN_H__

/**

* Composer image plugin.

* This class implements the composer plugin interface.

* Actual composing is done in class CComposerImagePluginAO.

*/

class CComposerImagePlugin : public CComposerPlugin

    {

    friend class CLocationRelationObserver;

    friend class CImagePresentObserver;

    public:

        /**

         * Construction.

         */

        static CComposerImagePlugin* NewL();

        /**

         * Destruction.

         */

        virtual ~CComposerImagePlugin();

        /**

         * Checks if composing is complete.

         */

        TBool IsComposingComplete();

    protected:

        /**

         * Set observers that will be notified of composing events.

         */

        void SetObservers();

        /**

         * Remove observers.

         */

        void RemoveObservers();

        /** 

         * Handle object modifications

         */

        void HandleObjectNotification(CMdESession& aSession, 

				TObserverNotificationType aType,

				const RArray<TItemId>& aObjectIdArray);

        void WriteGPSTagsL( TItemId aObjectId, TItemId locationId );

        void HandlePendingObjects( const RArray<TItemId>& aObjectIdArray );

    private:

        /**

         * Private constructor.

         */    

        CComposerImagePlugin();

        /**

         * 2nd phase construction.

         */    

        void ConstructL();

        /**

         * Private, leaving set observers method that is called by the public version of this method.

         */

        void SetObserversL();

    private:

        /**

         * Pointer to the active object that implements the asyncronous functionality

         * of this plug-in.

         */

        CImageComposerAO* iImageComposerAO;

        /**

         * Pointer to the observer listening for location relation changes in Mde.

         */

        CLocationRelationObserver* iLocationRelationObserver;

        CImagePresentObserver* iImagePresentObserver;

        CMdEHarvesterSession* iMdEHarvesterSession;

    };

#endif // __CCOMPOSERIMAGEPLUGIN_H__