--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ximpfw/presence/srcpresencedatamodel/presentitygroups/groupcontentsubscriptionitem.h	Thu Dec 17 08:54:49 2009 +0200
@@ -0,0 +1,239 @@
+/*
+* Copyright (c) 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:  Presence Service Connection group member subscription implementation.
+*
+*/
+
+#ifndef CPSCGROUPCONTENTSUBSCRIPTIONITEM_H
+#define CPSCGROUPCONTENTSUBSCRIPTIONITEM_H
+
+#include <e32base.h>
+#include "presenceinfoimp.h"
+#include "ximpsubscriptionitembase.h"
+#include "presencetypehelpers.h"
+
+class MXIMPItemParentBase;
+class MXIMPPscContext;
+class CDesC16Array;
+class MXIMPIdentity;
+class CXIMPIdentityImp;
+class MGroupContentEventObserver;
+
+/**
+ * PSC group list subscription implementation
+ *
+ * @since S60 v3.2
+ */
+class CGroupContentSubscriptionItem : public CXIMPSubscriptionItemBase
+    {
+
+public: // Construction and destruction
+
+    /**
+     * Construction
+     * @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.
+     */
+    static CGroupContentSubscriptionItem* NewLC( MXIMPItemParentBase& aParent,
+                                                        const CXIMPIdentityImp& aGroupId );
+
+    /**
+     * Destruction
+     * - Remember to inform parent about delete.
+     */
+    virtual ~CGroupContentSubscriptionItem();
+
+private: // Construction and destruction
+
+    /**
+     * Construction
+     * @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.
+     */
+    CGroupContentSubscriptionItem( MXIMPItemParentBase& aParent );
+
+    /**
+     * Construction
+     */
+    void ConstructL( const CXIMPIdentityImp& aGroupId );
+
+public: // New methods
+
+    /**
+     * Add subscriber for group content if it hasn't subscribed already.
+     * @param aContext. Context to be added.
+     */
+    IMPORT_C void AddOrRenewSubscriberL( MXIMPPscContext* aContext );
+
+    /**
+     * Set the new list of members. Will create and set
+     * the temporary lists for added, removed and updated lists.
+     * Ownership is transferred!
+     * @param aMemberList The list of groups
+     */
+    IMPORT_C void SetNewListL( RPrGrpMemInfoImpArray* aMemberList );
+
+    /**
+     * Set the added list of members.
+     * Ownership is transferred!
+     * @param aMemberList The list of groups
+     */
+    IMPORT_C void SetAddedListL( RPrGrpMemInfoImpArray* aMemberList );
+
+    /**
+     * Set the removed list of members. Will set
+     * other lists accordingly.
+     * Ownership is transferred!
+     * @param aMemberList The list of groups
+     */
+    IMPORT_C void SetRemovedListL( RPrGrpMemInfoImpArray* aMemberList );
+
+    /**
+     * Used as method for TLinearOrder when ordering items.
+     * @param aA First object for ordering.
+     * @param aB Second object for ordering.
+     * @return Order of params like compare function( -1 0 1 )
+     */
+    IMPORT_C static TInt Order( const CGroupContentSubscriptionItem& aA,
+                         const CGroupContentSubscriptionItem& aB );
+
+    /**
+     * Used as method for TLinearOrder when ordering items.
+     * @param aA First object used as key for ordering.
+     * @param aB Second object for ordering.
+     * @return Order of params like compare function( -1 0 1 )
+     */
+    IMPORT_C static TInt IdentityOrder( const CXIMPIdentityImp* aA,
+                         const CGroupContentSubscriptionItem& aB );
+                         
+    /**
+     * Access to group id.
+     * @return Group id.
+     */
+    IMPORT_C const CXIMPIdentityImp& GroupId() const;
+    
+    /**
+     * Remove the temporary lists.
+     */
+    IMPORT_C void Clean();
+
+    /**
+     * Check if group member exists.
+     * @param aMemberInfo Group member to check
+     * @return ETrue if group member exists. EFalse if not.
+     */    
+    IMPORT_C TBool GroupMemberExistsL( CPresentityGroupMemberInfoImp& aMemberInfo ) const;
+    
+    /**
+     * Check if group member is updated.
+     * @param aMemberInfo Group member to check
+     * @return ETrue if group member updated. EFalse if not.
+     */
+    IMPORT_C TBool IsGroupMemberUpdatedL( CPresentityGroupMemberInfoImp& aMemberInfo ) const;
+    
+public: // Methods for accessing array of current members
+
+    /**
+     * Count of current members
+     * @return Count of current members
+     */
+    TInt MemberCount() const;
+    
+    /**
+     * Access member in index.
+     * @param aIndex. Index of group member info to get.
+     * @return Group member info from index.
+     */
+    CPresentityGroupMemberInfoImp& MemberAt( TInt aIndex );
+    
+    /**
+     * Register event observer
+     * @param aEvent Observer New observer to observe events.
+     */
+    void RegisterEventObserverL( MGroupContentEventObserver* aEventObserver );
+    
+    /**
+     * Unregister event observer
+     * @param aEventObserver Canceling observer.
+     */
+    void UnregisterEventObserver( MGroupContentEventObserver* aEventObserver );
+    
+public: // From MXIMPSubscriptionItem
+
+    /**
+     * @see MXIMPSubscriptionItem
+     */
+    void SynthesiseSubscriptionEventToL( MXIMPPscContext* aContext, TBool aForceEvent );
+    
+    /**
+     * @see MXIMPSubscriptionItem
+     */
+    void SynthesiseSubscriptionEventToAllCtxsL();
+    
+private: // From CXIMPSubscriptionItemBase
+    
+    /**
+     * @see CXIMPSubscriptionItemBase
+     */
+    void CleanExpired();    
+
+private: // Helper methods
+
+    /**
+     * Inform observer about change.
+     */
+    void InformObserversL();
+
+private: // Data
+
+    /**
+     * Group identity
+     * Own.
+     */
+    CXIMPIdentityImp* iGroupId;
+
+    /**
+     * Current members.
+     * Own.
+     */
+    RPrGrpMemInfoImpArray* iCurrentMembers;
+
+    /**
+     * List of added members (new since last update).
+     * Own.
+     */
+    RPrGrpMemInfoImpArray* iAdded;
+
+    /**
+     * List of removed members (removed since last update).
+     * Own.
+     */
+    RPrGrpMemInfoImpArray* iRemoved;
+
+    /**
+     * List of updated members (same as in last update).
+     * Own.
+     */
+    RPrGrpMemInfoImpArray* iUpdated;
+    
+    /**
+     * Event observers of subscription item.
+     */
+    RPointerArray< MGroupContentEventObserver > iEventObservers;
+    };
+
+
+/* ======================================================================== */
+
+
+
+#endif // CPSCGROUPCONTENTSUBSCRIPTIONITEM_H