diff -r 000000000000 -r 5e5d6b214f4f imstutils/imconversationview/imcvuiengine/inc/cimcvenginechatcontainer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imstutils/imconversationview/imcvuiengine/inc/cimcvenginechatcontainer.h	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,258 @@
+/*
+* Copyright (c) 2007-2008 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:
+*  prior written consent of Nokia Corporation.
+* ==============================================================================
+*/
+
+#ifndef CIMCVENGINECHATCONTAINER_H
+#define CIMCVENGINECHATCONTAINER_H
+
+#include "mimcvenginebuffermemoryhandler.h"
+#include "mimcvenginechatinterface.h"
+#include "mimcvenginenewmsgobserver.h"
+#include "mimcvenginechatlistobserver.h"
+
+
+//	FORWARD CLASS DECLERATIONS
+class CIMCVEngineMessageContainer;
+
+
+// CLASS DECLARATION
+
+/**
+ *  Container for message containers
+ *
+ *  @lib imcvengine.dll
+ *  @since 5.0
+ */
+class CIMCVEngineChatContainer : public CBase, 
+                         public MIMCVEngineChatInterface,
+                         public MIMCVEngineBufferMemoryHandler, 
+                         public MIMCVEngineNewMsgObserver
+	{
+    public: // Construction
+		
+		/**
+		 * Construction
+		 */
+		static CIMCVEngineChatContainer* NewL(TInt aServiceId);
+		
+		/**
+		 * Destruction
+		 */
+		~CIMCVEngineChatContainer();
+		
+		
+		
+		
+	private: // Construction
+	
+		/**
+		 * Constructor
+		 */
+		CIMCVEngineChatContainer( TInt aServiceId );
+		
+	private: // Methods from MIMCVEngineChatInterface				
+		
+		
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */
+		MIMCVEngineBufferMemoryHandler& MemoryHandler();
+		
+		
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */
+		MIMCVEngineMessageReadInterface& MessageReadInterfaceL(
+                        TInt aServiceId, 
+                        const TDesC& aTargetId,
+                        const TDesC& aDisplayName,
+                        const TDesC8& aContactLink,
+                        MIMCVEngineMessageReadInterface::TContainerType aType );
+
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */
+		MIMCVEngineMessageWriteInterface& MessageWriteInterfaceL( 
+                        TInt aServiceId, 
+                        const TDesC& aTargetId,
+                        const TDesC& aDisplayName,
+                        const TDesC8& aContactLink,
+                        MIMCVEngineMessageReadInterface::TContainerType aType );
+		
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */
+		void DeleteChatL( 
+		                  TInt aServiceId,
+		                  const TDesC& aTargetId );
+		                  
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */
+        void CloseAllContainers();
+					
+		
+		
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */ 
+		TInt ChatCount() const;
+		
+		
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */ 
+		void RegisterNewMsgObserver( MIMCVEngineNewMsgObserver* aObserver );
+
+		/**
+		 * @see MIMCVEngineChatInterface
+		 */ 
+		void UnregisterNewMsgObserver();
+		
+		
+		/**
+		 * @see MIMCVEngineNewMsgObserver
+		 */ 
+		TInt RegisterChatListObserver( MIMCVEngineChatListObserver* aObserver );
+
+		/**
+		 * @see MIMCVEngineNewMsgObserver
+		 */ 
+		TInt UnregisterChatListObserver( MIMCVEngineChatListObserver* aObserver );
+		
+	
+		/**
+		 * @see MIMCVEngineNewMsgObserver
+		 */ 
+        TInt MessagesPendingCount( TInt& aCountOfChats,
+            MIMCVEngineMessageReadInterface::TUnreadFilter aUnreadFilter =
+            MIMCVEngineMessageReadInterface::EUnreadAll ) const;
+       
+        
+			
+	private: // Methods from MIMCVEngineBufferMemoryHandler
+
+		/**
+		 * @see MIMCVEngineBufferMemoryHandler
+		 */
+		 TBool FreeMemoryIfNeededL( TInt aSize );
+		 
+		
+			
+		/**
+		 * return the chat interface at given index
+		 */ 
+	 	MIMCVEngineMessageReadInterface& ChatAt( TInt aIndex ) const;
+	 	
+    private: // Methods from MIMCVEngineNewMsgObserver
+    
+        /**
+         * @see MIMCVEngineNewMsgObserver
+         */
+        void HandleChatEventL( TChatEventType aEvent, 
+                              MIMCVEngineMessage* aMessage = NULL );
+        		 
+    
+		
+	private: // New helper methods
+		
+		/**
+		 * Return index to chat. Try to create if does not exists.
+		 * Leave if not possible. e.g. KErrNoMemory.
+		 * @param aServiceId Part of identifier to identify container.
+		 * @param aTargetId Part of identifier to identify container.		 
+		 * @return Index of container.
+		 */
+		TInt ChatL( TInt aServiceId, 
+                    const TDesC& aTargetId,
+                    const TDesC& aDisplayName,
+                    const TDesC8& aContactLink,
+                    MIMCVEngineMessageReadInterface::TContainerType aType = 
+                        MIMCVEngineMessageReadInterface::ENoneContainer );
+		            
+		/**
+		 * Returns latest found item by index. 
+		 * FindChat or ChatL( id, type ) must be called before this one.
+		 * @param aIndex, Index of needed item.
+		 * @param aResetLatest. Reset type of latest found container. 
+		 *                      ETrue, Reset, EFalse, No reseting.
+		 * @return Pointer to right container.
+		 */ 
+        CIMCVEngineMessageContainer* ChatL( TInt aIndex, TBool aResetLatest = ETrue );
+		
+		/**
+		 * FindChat or ChatL( id, type ) must be called before this one.
+		 * @param aIndex, Index of needed item.
+		 * @param aResetLatest. Reset type of latest found container. 
+		 *                      ETrue, Reset, EFalse, No reset.
+		 */
+		void RemoveChat( TInt aIndex, TBool aResetLatest = ETrue );
+
+		/**
+		 * Finds if container exists and returns index.
+		 * @param aChat Reference chat.
+		 * @return Index of container. If container is not found, 
+		 *                             KErrNotFound is returned.
+		 */
+		TInt FindChat( const CIMCVEngineMessageContainer& aChat );
+		
+		/**
+		 * Create new container. userid  
+		 * current ones, if KNullDesC used.
+		 * @see CIMCVEngineMessageContainer
+		 */
+		 CIMCVEngineMessageContainer* CreateContainerLC(                               
+                              TInt aServiceId, 
+                              const TDesC& aTargetId,
+                              const TDesC& aDisplayName, 
+                              const TDesC8& aContactLink,
+                              MIMCVEngineBufferMemoryHandler& aMemoryHandler, 
+                              MIMCVEngineMessageReadInterface::TContainerType aType );
+
+	private:
+	    /**
+		 * helper method
+		 */                           
+		 void HandleChatListEvent( TChatListEventType aEvent, 
+                                   MIMCVEngineMessageReadInterface& aContainerInfo );
+		
+		                      
+	private: // Member data
+	    // service Id
+	    TInt iServiceId;
+		/// Container of chats. Owns items.
+		RPointerArray< CIMCVEngineMessageContainer > iChatContainer;
+
+		// Container of send buffers. Owns items.
+		RPointerArray< CIMCVEngineMessageContainer > iSendContainer;
+		
+		/// Container of observers. Does not own items.
+		MIMCVEngineNewMsgObserver* iNewMsgObserver;
+		
+		/// External memory handler if set.
+		MIMCVEngineBufferMemoryHandler* iExternalMemoryHandler;
+		
+			/// Last found item type
+	    MIMCVEngineMessageReadInterface::TContainerType iLatestType;
+	    
+	    /// Container of observers. Does not own items.
+		RPointerArray< MIMCVEngineChatListObserver > iChatListObservers;
+	    
+    	};
+
+
+#endif      // CIMCVENGINECHATCONTAINER_H
+
+// End of File