/*

* Copyright (c) 2008 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:  CVIMPSTProcessContactItem, CVIMPSTProcessContactListItem, CVIMPSTProcessOwnDataItem, 

*				 CVIMPSTProcessConversationItem

*                are the different types of array items stored in the MCAMainViewArrayPC

*

*/

#ifndef CVIMPSTPROCESSARRAYITEM_H

#define CVIMPSTPROCESSARRAYITEM_H

#include <e32base.h>

#include "TVIMPSTEnums.h"

#include "cvimpstprocessarray.h"

//  FORWARD DECLARATION

class MVPbkContactLink;

// CLASS DECLARATION

/**

* Base class for cimcontactitem, cimcontactlistitem, cimowndataitem

* to be stored into an array of <CCAArrayItemPC> on the process component side.

* The UI components will query for each item in this heterogeneous array to display 

* information like contactlist, contact, conversation, groups etc in the listbox of 

* the main view class

* @lib vimpstcmdprocess.dll

* @since 5.0

*/

class MVIMPSTProcessArrayItem

    {

    public:

    /**

    * Returns the default type of the listbox item 

    * @return TEnumsPC::TItem: type of the listbox item as either EContactitem, EContactListItem etc

    */

    virtual TVIMPSTEnums::TItem Type() = 0;

    /**

    * Returns the name of the listbox item 

    * @return TPtrC: name of the listbox item to be displayed

    */

    virtual TPtrC GetItemNameText() = 0 ;

    /**

    * Sets the name of the listbox item 

    * @param aName: Name of the listbox item to be set

    * @return void

    */

    virtual void SetMsgPending(TBool aMsgPending) = 0;

    /**

     * gets the messages pending status of the contact item 

     * @return iSMsgPending: true if the contact has pending messages 

     * else false

     */

    virtual TBool IsMsgPending() = 0 ;

    /**

     * Sets the name of the listbox item 

     * @param aName: Name of the listbox item to be set

     * @return void

     */

    virtual void SetConversationOpen(TBool aConvOpen ) = 0;

    /**

     * gets the messages pending status of the contact item 

     * @return iSMsgPending: true if the contact has pending messages 

     * else false

     */

    virtual TBool IsConversationOpen() = 0 ;

    /**

    * Returns the array index of the listbox item on engine/storage side

    * @return TInt: index of the listbox item on engine/storage side

    */

    virtual TInt GetItemIndex() = 0;

    /**

    * return the VPBK Contact Link

    */

    virtual MVPbkContactLink* ContactLink() = 0;  

    /**

    * Sets the on engine/storage side index of the listbox item 

    * @param aIndex: index of the listbox item on engine/storage side

    * @return void

    */

    virtual void SetItemIndex(TInt aIndex) = 0;

    /**

    * Returns the user id of the listbox item 

    * @return TPtrC: user id of the listbox item.

    */

    virtual TPtrC GetItemUserId() = 0 ;

    /**

     * Returns the avatar index of the listbox item 

     * @return TInt: avatar index of the listbox item.

     */

    virtual TInt  AvatarIndex() = 0;

    /**

     * sets the avatar index of the listbox item 

     * @param aAvatarIndex: avatar index to be set 

     */

    virtual void  SetAvatarIndex(TInt aAvatarIndex ) = 0; 

    /**

     * returns status text of the contact

     */

    virtual const TDesC& StatusText() = 0;

    /**

     * returns online status of the contact

     */

    virtual TVIMPSTEnums::TOnlineStatus OnlineStatus() = 0;

    /**

     * return formatted string needed for listbox for this item

     */

    virtual TPtrC16 FormattedItemString() = 0;

    /**

     * virtual destructor.

     */

    virtual ~MVIMPSTProcessArrayItem(){};    

    };

/**

* CCAContactItemPC is a structure that will encapsualte information on a contact 

* item in the single array on the process component side.

* @lib vimpstcmdprocess.dll

* @since 5.0

*/    

class CVIMPSTProcessContactItem : public CBase,

                                  public MVIMPSTProcessArrayItem

    {

    public: // symbain constructor , destructor

		/**

		 *  Creates a new instance of this class.

		 * @param aContactId, reference to contactid.

		 * @param aContactLink, pointer to Contactlink.		 

		 * @return the ContactitemPC instance

		 */

    	static CVIMPSTProcessContactItem* NewL( CVIMPSTProcessArray& aParent, const TDesC& aContactName,

					    						const TDesC& aContactId, 

					    						MVPbkContactLink* aContactLink,

					    						const TDesC& aStatusText,

					    						TVIMPSTEnums::TOnlineStatus aOnlineStatus

					    						);

    	/**

    	* symbain way of construction

    	*/

    	void ConstructL(  const TDesC& aContactId, 

                          const TDesC& aContactName,

                          const TDesC& aStatusText,

                          TVIMPSTEnums::TOnlineStatus aOnlineStatus 

                          );

    	/**

    	* destructor

    	*/

    	virtual ~CVIMPSTProcessContactItem();

    private:

		/**

		* C++ default constructor

	    * @param aContactId, reference to contactid.

        * @param aContactLink, pointer to Contactlink.        

		*/

		CVIMPSTProcessContactItem( CVIMPSTProcessArray& aParent, MVPbkContactLink* aContactLink);

    public:

     //to be used later.

	    /**

	    * Returns the blocked status of the contact item 

	    * @return bool: true if the contact item is blocked else false

	    */

	    //TBool IsBlocked();

		/**

		* Sets the blocked status of the contact item 

		* @param aBlockedStatus: true if the contact is blocked else false

		*/

	    //void SetBlockedStatus(TBool aBlockedStatus);

		/**

		* Sets the messages pending status of the contact item 

		* @param aPendingMessageStatus: true if the contact has pending messages 

		* else false

		*/

	    void SetMsgPending(TBool aPendingMessageStatus);

	   /**

		* gets the messages pending status of the contact item 

		* @return iSMsgPending: true if the contact has pending messages 

		* else false

		*/

	    TBool IsMsgPending();

	    /**

	     * Sets the name of the listbox item 

	     * @param aName: Name of the listbox item to be set

	     * @return void

	     */

	    void SetConversationOpen(TBool aConvOpen ) ;

	    /**

	     * gets the messages pending status of the contact item 

	     * @return iSMsgPending: true if the contact has pending messages 

	     * else false

	     */

	    TBool IsConversationOpen() ;

    public: //From MImArrayItem

	    /**

	    * Returns the name of the contact item 

	    * @return TPtrC: name of the contact item to be displayed

	    */

	    TPtrC GetItemNameText();

	   /**

	    * Returns the default type of the contact item 

	    * @return TEnumsPC::TItem: type of the contact item as either 

	    * EContactitem, EContactListItem etc

	    */

	    TVIMPSTEnums::TItem Type();

    	/**

	    * Get the index of the contact item from engine side model

	    * @return TInt, index

	    */

    	inline TInt GetItemIndex()   

    		{ 	

    		return iIndex;    

    		}

		/**

	    * Set the index of the contact item from engine side model

	    * @param TInt, aIndex

	    */

	    inline void SetItemIndex(TInt aIndex) 	

			{  

			iIndex  = aIndex;

			}

	   /**

    	* @returns the VPBK Contact Link

    	*/

		inline MVPbkContactLink* ContactLink()

			{

			return iContactLink;

			}

	    /**

	    * Returns the user id of the listbox item 

	    * @return TPtrC: user id of the listbox item.

	    */

	    TPtrC GetItemUserId();

	    /**

	     * Returns the avatar index of the listbox item 

	     * @return TInt: avatar index of the listbox item.

	     */

	     inline TInt  AvatarIndex() 

	         {

	         return iAvatarIndex;

	         }

	    /**

	     * sets the avatar index of the listbox item 

	     * @param aAvatarIndex: avatar index to be set 

	     */

	    inline void  SetAvatarIndex(TInt aAvatarIndex ) 

	        {

	        iAvatarIndex = aAvatarIndex;

	        TRAP_IGNORE(DoFormatStringL());

	        }

	    /**

	     * returns status text of the contact

	     */

	    const TDesC& StatusText();

	    /**

	     * returns online status of the contact

	     */

	    TVIMPSTEnums::TOnlineStatus OnlineStatus();

	    /*

	     * Format and Reformat the string for listbox

	     */

	    void DoFormatStringL();

	    /**

	     * return formatted string needed for listbox for this item

	     */

	    TPtrC16 FormattedItemString();	    

    private:

	    // Process Array

	    CVIMPSTProcessArray& iParent;

  	   /**

	    * The name of the listbox item

	    */

	    HBufC* iItemNameTextContact;

	    /**

	    * The name of the listbox item

	    */

	    HBufC* iContactUserId;

	   /**

  	 	* Index of the item in engines model class

  	 	*/

  	 	TInt iIndex;

  	 	//Not owned

  	 	MVPbkContactLink* iContactLink; 	 	

  	 	// ETrue if it has a pending message, else EFalse.

  	 	TBool iSMsgPending;

  	 	TBool iIsConversationOpen;

 	 	// avatar index

  	 	TInt iAvatarIndex;

  	 	// Status text Message

  	 	HBufC* iStatusText;

  	 	// Stores the status of the contact

  	 	TVIMPSTEnums::TOnlineStatus iOnlineStatus;

  	 	HBufC* iFormattedString;

    };

/**

* CVIMPSTProcessContactListItem is a structure that will encapsualte information on a contact 

* list in the single array on the process component side.

* @lib vimpstcmdprocess.dll

* @since 5.0

*/ 

class CVIMPSTProcessContactListItem : public CBase,

                                      public MVIMPSTProcessArrayItem 

    {

    public:

       /**

        * Creates a new instance of this class.

		* @return the CVIMPSTProcessContactListItem instance

		*/

    	static CVIMPSTProcessContactListItem* NewL(CVIMPSTProcessArray& aParent);

       /**

    	* second phase constructor

    	*/

    	void ConstructL();

       /**

    	* destructor

    	*/

    	virtual ~CVIMPSTProcessContactListItem();

	private:

	   /**

		* C++ default constructor

		*/	

   		CVIMPSTProcessContactListItem(CVIMPSTProcessArray& aParent);

    public:

	    /**

	    * Returns the expanded or collapsed state information of the contact list 

	    * @return bool, true if the contact list is collapsed else return false

	    */

	    TBool IsCollapsed();

	    /**

		* Sets the collapsed/expanded state of the contact list

		* @param aCollapsed, true if the contact list item is collapsed else false

		*/

		void SetCollapsed(TBool aCollapsed);

	public: //From CImArrayItem

		/**

		* Returns the name of the contact list item 

		* @return TPtrC, name of the contact item to be displayed

		*/

		TPtrC GetItemNameText();

		/**

		* Sets the name of the contact list item 

		* @param aName: Name of the contact list item to be set

		* @return void

		*/

		void SetItemNameText(const TDesC&);    

		/**

		* Returns the default type of the contact list item 

		* @return TEnumsPC::TItem: type of the contact list item as either 

		* EContactitem, EContactListItem etc

		*/

		TVIMPSTEnums::TItem Type();

    	/**

	    * Get the index of the contact item from engine side model

	    * @return TInt: index

	    */

	    inline TInt GetItemIndex()   

    		{ 	

    		return iIndex;    

    		}

		/**

	    * Set the index of the contact item from engine side model

	    * @param TInt: aIndex

	    */

	    inline void SetItemIndex(TInt aIndex) 	

			{  

			iIndex  = aIndex;

			}

	    /**

         * @return the VPBK Contact Link

         */

    	inline MVPbkContactLink* ContactLink()

			{

			return 0;

			}

       /**

        * Returns the user id of the listbox item 

        * @return TPtrC: user id of the listbox item.

        */

        inline TPtrC GetItemUserId()

            {

            return KNullDesC();

            }

        /**

         * Returns the avatar index of the listbox item 

         * @return TInt: avatar index of the listbox item.

         */

        inline TInt  AvatarIndex() 

            {

            return KErrNone; // always return zero

            }

        /**

         * sets the avatar index of the listbox item 

         * @param aAvatarIndex: avatar index to be set 

         */

        inline void  SetAvatarIndex(TInt /*aAvatarIndex*/ ) 

            {

           // dummy not used

            }

        void SetMsgPending(TBool /*aMsgPending*/)

            {

            // NA

            }

        /**

         * Sets the messages pending status of the contact item 

         * @param aPendingMessageStatus: true if the contact has pending messages 

         * else false

         */

        TBool IsMsgPending()

            {

            return EFalse;

            }

        /**

         * Sets the name of the listbox item 

         * @param aName: Name of the listbox item to be set

         * @return void

         */

        void SetConversationOpen(TBool /*aConvOpen*/ )

            {

            // NA

            }

        /**

         * gets the messages pending status of the contact item 

         * @return iSMsgPending: true if the contact has pending messages 

         * else false

         */

        TBool IsConversationOpen() 

            {

            return EFalse;

            }