* Description: VideoCollectionWrapperPrivate class definition

class VideoProxyModelGeneric;

class VideoProxyModelAllVideos;

class VideoProxyModelCollections;

class VideoProxyModelContent;

    /**

     * Returns the pointer into generic video model. Creates the model if it doesn't 

     * exist yet.

     * 

     * Noter that if application has signaled aboutToQuit -signal indicating closing, all

     * previously created models have been removed and new ones will not be created 

     * anymore

     *

     * @return address of model, NULL if creation did not succeed or if application is closing.

     */    

    VideoProxyModelGeneric* getGenericModel();

     * Returns the pointer into all videos model. Creates the model if it doesn't exist yet.

     *

     * @return address of model, NULL if creation did not succeed or if application is closing.

     */    

    VideoProxyModelGeneric* getAllVideosModel();

    /**

     * Returns the pointer into collections model. Creates the model if it doesn't exist yet.

     * 

     * Noter that if application has signaled aboutToQuit -signal indicating closing, all

     * previously created models have been removed and new ones will not be created 

     * anymore

     *

    VideoProxyModelGeneric* getCollectionsModel();

    /**

     * Returns the pointer into collection content model. Creates the model if it doesn't 

     * exist yet.

     * 

     * Noter that if application has signaled aboutToQuit -signal indicating closing, all

     * previously created models have been removed and new ones will not be created 

     * anymore

     * 

     * @return address of model, NULL if creation did not succeed or if application is closing.

     */     

    VideoProxyModelGeneric* getCollectionContentModel();

    /**

     * Creates proxy model and returns the pointer.

     * 

     * Noter that if application has signaled aboutToQuit -signal indicating closing, all

     * previously created models have been removed and new ones will not be created 

     * anymore.

     * 

     * @return address of model, NULL if creation did not succeed or if application is closing.

     */

    template<class T>

    T *initProxyModelModel()

    {

        if(mAboutToClose)

        {

            return 0;

        }

        if(!initSourceModel())

        {

            return 0;

        }

        T *model = 0;

        model = new T();

        if(model->initialize(mSourceModel) || 

           !connect(model, SIGNAL(shortDetailsReady(TMPXItemId)), 

                   mSourceModel, SIGNAL(shortDetailsReady(TMPXItemId))))

        {

            delete model;

            model = 0;

        }

        return model;

    }

private:

    /**

     * Initializes source model.

     * 

     * @return true if initialization succeeds, otherwise false.

     */

    bool initSourceModel();

private:

    /**

     * data model for collection content

     */

    QPointer<VideoProxyModelGeneric> mGenericModel;

	QPointer<VideoProxyModelAllVideos> mAllVideosModel;

	QPointer<VideoProxyModelCollections> mCollectionsModel;

    QPointer<VideoProxyModelContent> mCollectionContentModel;

	QPointer<VideoListDataModel>     mSourceModel;