diff -r 6ca72c0fe49a -r a941bc465d9f wvuing/IMPSConnectionUI/ServiceInc/CCnUiGroupChannel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/IMPSConnectionUI/ServiceInc/CCnUiGroupChannel.h	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,346 @@
+/*
+* Copyright (c) 2004 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:  Generic event and message channel for Connection UI.
+*
+*/
+
+
+
+#ifndef __CCNUIGROUPCHANNEL_H
+#define __CCNUIGROUPCHANNEL_H
+
+// INCLUDES
+#include "MIMPSSharedData.h"
+#include "MIMPSSharedDataObserver.h"
+#include "IMPSSharedDataDefs.h"
+
+#include <E32Base.h>
+#include <impspresenceconnectionuiconstsng.h>
+
+//CONTANTS
+_LIT( KGroupChannelKeyNameFormatter, "MC%dG%d" );
+_LIT( KGroupChannelDataKeyNameFormatter, "DC%dG%d" );
+
+_LIT( KGlobalChannelKeyNameFormatter, "GMC%d" );
+_LIT( KGlobalChannelDataKeyNameFormatter, "GDC%d" );
+
+_LIT( KGlobalChannelPermanentKeyIdentifier, "P" );
+_LIT( KGlobalChannelTemporaryKeyIdentifier, "T" );
+
+//Identifier is inserted in the start of key ==> index 0
+const TInt KGlobalChannelTypeIdPosition = 0;
+
+
+const TInt KMaxChannelKeyLength = 10;
+const TInt KMaxChannelIdValue   = 10;
+
+
+
+// FORWARD DECLARATIONS
+class MCnUiGroupChannelListener;
+
+
+/**
+ * Notification group id for global (client group wide)
+ * notifications
+ * @since 2.1
+ */
+enum TGCSpecialGroupIds
+    {
+    ECnUiGlobalGroup = EIMPSConnClientPEC - 1,
+    };
+
+
+/**
+ * Notification channel ID's
+ * @since 2.1
+ */
+enum TGCChannelID
+    {
+    ECnUiClientLoginLogoutStateChannel = 0,
+    ECnUiLoginLogoutEventChannel = 1,
+    ECnUiSSClientReqistrationChannel = 2,
+    ECnUiGlobalOperationSignalChannel = 3,
+    ECnUiRemoteUiNotificationsChannel = 4
+    };
+
+
+
+// CLASS DECLARATION
+
+/**
+ * Generic event and message channel for Connection UI.
+ *
+ * @since 2.1
+ */
+NONSHARABLE_CLASS( CCnUiGroupChannel ) : public CBase,
+        public MIMPSSharedDataObserver
+    {
+public:  // Two-phased constructors and destructor
+
+    /**
+     * Two-phased constructor, constructs the
+     * CCnUiGroupChannel object.
+     *
+     * @since 2.1
+     * @param aGroupId The channel group ID.
+     * @param aChannelId The channel ID.
+     * @param aTemporary Is the channel temporary or permanent.
+     * @return is pointer to CCnUiGroupChannel object.
+     */
+    static CCnUiGroupChannel* NewLC( TInt aGroupId,
+    TGCChannelID aChannelId,
+    TBool aTemporary = ETrue );
+
+
+    /**
+     * Two-phased constructor, constructs the
+     * CCnUiGroupChannel object.
+     *
+     * @since 2.1
+     * @param aGroupId The channel group ID.
+     * @param aChannelId The channel ID.
+     * @param aTemporary Is the channel temporary or permanent.
+     * @return is pointer to CCnUiGroupChannel object.
+     */
+    static CCnUiGroupChannel* NewL( TInt aGroupId,
+                                    TGCChannelID aChannelId,
+                                    TBool aTemporary = ETrue );
+
+
+    /**
+     * Destructor.
+     */
+    ~CCnUiGroupChannel();
+
+
+private: //Constructors
+
+    /**
+     * C++ default constructor.
+     */
+    CCnUiGroupChannel( TInt aGroupId,
+                       TGCChannelID aChannelId );
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL( TBool aTemporary );
+
+
+public: //New methods
+
+    /**
+     * Writes the given message to opened channel.
+     *
+     * @since 2.1
+     * @param aMsg The message to write.
+     */
+    void WriteL( TInt aMsg );
+
+    /**
+    * Writes the given message to opened channel.
+    * Writes the given extra data channel data subchannel.
+    *
+    * @since 2.1
+    * @param aMsg The message to write.
+    * @param aExtraData The extra data to write.
+     */
+    void WriteL( TInt aMsg, const TDesC& aExtraData );
+
+    /**
+     * Reads a last message from channel.
+     *
+     * @since 2.1
+     * @param aMsg On the return contains the readed message.
+     * @return KErrNone if succesful.
+     * KErrNotFound if no data previously stored to channel,
+     * or it wasn't in numeric format.
+     */
+    TInt Read( TInt& aMsg );
+
+
+    /**
+     * Reads a last extra data from channel.
+     *
+     * @since 2.1
+     * @param aExtraData On the return contains the readed message.
+     * If no data previously stored to channel, returns empty
+     * buffer.
+     */
+    void ReadL( HBufC*& aExtraData );
+
+
+    /**
+     * Signals the channel.
+     * Increases the channel value with 1.
+     *
+     * @since 2.1
+     * @return KErrNone if succesful.
+     * KErrInUse if channel is already signalled by this object.
+     */
+    TInt SignalL();
+
+
+    /**
+     * Signals the channel.
+     * Increases the channel value with 1.
+     * Updates also the data subchannel value to given one.
+     *
+     * @since 2.1
+     * @param aExtraData The extra data to store to data sub channel.
+     * @return KErrNone if succesful.
+     * KErrInUse if channel is already signalled by this object.
+     */
+    TInt SignalL( const TDesC& aExtraData );
+
+
+    /**
+     * Cancels any previously by this object issued signal.
+     * @since 2.1
+     */
+    void CancelSignal();
+
+
+    /**
+     * Registeres to listen channel events.
+     * @since 2.1
+     * @param aListener The listener to notify channel events.
+     * Leaves with KErrInUse, if listening already started.
+     * Leaves with KErrArgument, if listener is NULL.
+     */
+    void ListenL( MCnUiGroupChannelListener* aListener );
+
+
+    /**
+     * Cancels any previously issued listen.
+     * @since 2.1
+     */
+    void CancelListen();
+
+
+    /**
+     * Gets channel group ID.
+     * @since 2.1
+     * @return Channel group ID.
+     */
+    TInt GroupID();
+
+
+    /**
+     * Gets channel channel ID.
+     * @since 2.1
+     * @return Channel ID.
+     */
+    TGCChannelID ChannelId();
+
+private: //helpers
+
+    void WriteExtraDataL( const TDesC& aExtraData );
+
+    /**
+    * Handles notify from permanent keys' changes
+    * @param aUid uid of the dll
+    * @param aKey the shared data key
+    * @param aValue the value of the key
+    */
+    void HandlePermanentKeyNotifyL( const TUid aUid,
+                                    const TIMPSSharedKeys aKey );
+
+    /**
+    * Handles notify from temporary keys' changes
+    * @param aUid uid of the dll
+    * @param aKey the shared data key
+    * @param aValue the value of the key
+    */
+    void HandleTemporaryKeyNotifyL( const TUid aUid,
+                                    const TIMPSSharedKeys aKey );
+
+
+private: //data
+
+    ///<The channel ID's, owned
+    const TInt                              iGroupId;
+    const TGCChannelID                      iChannelId;
+
+    ///<Channel & sub channel name keys, owned
+    TBuf<KMaxChannelKeyLength>              iChannelKey;
+    TBuf<KMaxChannelKeyLength>              iChannelDataKey;
+
+    ///<Registered listener, not owned.
+    MCnUiGroupChannelListener*              iListener;
+
+    ///<Signal flag, owned
+    TBool                                   iChannelSignaled;
+
+    // the converted channel key
+    TIMPSSharedKeys							iKey;
+
+    // the converted channel data key
+    TIMPSSharedKeys							iDataKey;
+
+    //Array of key pairs
+    RArray<TIMPSSharedKeyPairs> iKeys;
+
+    // Owns: the shared data handler
+    MIMPSSharedData *iSharedData;
+
+    // UID
+    TUid 									iUid;
+
+    };
+
+
+
+
+// CLASS DECLARATION
+
+/**
+ * Listener interface to listen channel events.
+ *
+ * @since 2.1
+ */
+NONSHARABLE_CLASS( MCnUiGroupChannelListener )
+    {
+public: // Handle events
+
+    /**
+     * Callback method to be called after channel event.
+     *
+     * @since 2.1
+     * @param aGroupId   The originating channel group.
+     * @param aChannelId The originating channel.
+     * @param aChannelMsg The channel message.
+     */
+    virtual void HandleChannelMsg( TInt aGroupId,
+                                   TGCChannelID aChannelId,
+                                   TInt aChannelMsg ) = 0;
+
+
+protected:  //Destructor
+
+    /**
+     * Virtual inline destructor.
+     * Observer can't be destructed using this interface.
+     *
+     * @since 2.1
+     */
+    virtual ~MCnUiGroupChannelListener() {};
+
+    };
+
+
+#endif      //__CCNUIGROUPCHANNEL_H
+
+//  End of File