--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imstutils/imconversationview/imcvuiapp/src/cimcvnewmsgfadecontrol.h	Wed Sep 01 12:33:36 2010 +0100
@@ -0,0 +1,272 @@
+/*
+* Copyright (c) 2008-2009 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:  This class encapsulates logic that is needed for text fading
+*
+*/
+
+
+
+#ifndef CIMCVNewMsgFadeControl_H
+#define CIMCVNewMsgFadeControl_H
+
+
+//  INCLUDES
+#include <aknview.h>
+#include <AknUtils.h>
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class MAknsControlContext;
+class MIMCVAppLayoutInfo;
+class MIMCVNewMsgFadeControlObserver;
+
+// CLASS DECLARATION
+
+/**
+*  This class declares text fader component
+*
+*  @lib imcvuiapp.exe
+*  @since 5.0
+*/
+class CIMCVNewMsgFadeControl : public CCoeControl,
+					   public MCoeControlObserver
+	{
+	public:
+		
+		/*
+		*	Used to control fading timer
+		*/
+		enum TTimerStates
+			{
+			ETimerStopped = 0,
+			ETimerActivated
+			};
+
+    public: // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+		* @param aRect TRect
+		* @return instance of class
+        */
+        static CIMCVNewMsgFadeControl* NewL( const TRect& aRect );
+
+		/**
+		 * Two-phased costructor. Leaves object into stack
+		 * @param aRect TRect
+		 * @return instance of class
+		 */
+		static CIMCVNewMsgFadeControl* NewLC( const TRect& aRect );
+        
+
+        /**
+        * Destructor.
+        */
+        ~CIMCVNewMsgFadeControl();
+	
+	public: //New Functions
+
+		/**
+		 * Starts fading text
+		 * @since 5.0
+		 */
+		void Start();
+
+		/**
+		 * Stops fading
+		 * @since 5.0
+		 */
+		void Stop();
+
+		/**
+		 * Registers observer
+		 * @since 5.0
+		 * @param aObserver Observer instance
+		 */
+		void AddObserver( MIMCVNewMsgFadeControlObserver* aObserver );
+
+		/**
+		 * Sets the fade message
+		 * @since 5.0
+		 * @param aMsg Descriptor containing message
+		 */
+		void SetMessage( TDesC& aMsg );
+
+		/**
+		 * Returns message
+		 * @since 5.0
+		 * @return descriptor that contains message
+		 */
+		TPtrC Message() const;
+
+		/**
+		 * Tells if fading is active
+		 * @since 5.0
+		 * @return ETrue if active else EFalse
+		 */
+		TBool IsActive();
+
+		/**
+		 * Resets the faded string
+		 * @since 5.0
+		 */
+		void Reset();
+		
+		/**
+		 * Does the actual changing of text color
+		 * @since 5.0
+		 * @param aAnyPtr pointer of this object
+		 * @return ETrue if this should be called again
+		 */
+		static TInt FadeText( TAny* aAnyPtr );
+
+		/**
+		 * Starts the timer
+		 * @param aDelayInternal delay
+		 * @since 5.0
+		 */
+		void StartTicker( const TTimeIntervalMicroSeconds32 aDelayInternal );
+
+		/**
+		 * Stops the timer
+		 * @since 5.0
+		 */
+		void StopTicker();
+		
+		/**
+		 * Reports that this CoeControl has changed
+		 * @since 5.0
+		 */
+		void ReportChange();
+
+    private: // Functions from base classes
+
+	   /**
+        * From CCoeControl
+		* @see CCoeControl
+        */
+        void SizeChanged();
+
+       /**
+        * From CCoeControl
+		* @see CCoeControl
+        */
+        TInt CountComponentControls() const;
+
+       /**
+        * From CCoeControl
+		* @see CCoeControl
+        */
+        CCoeControl* ComponentControl(TInt aIndex) const;
+
+       /**
+        * From CCoeControl
+		* @see CCoeControl
+        */
+        void Draw(const TRect& aRect) const;
+
+       /**
+        * From CCoeControl
+		* @see CCoeControl
+        */
+        void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);
+
+	
+	private:
+
+        /**
+        * C++ default constructor.
+        */
+        CIMCVNewMsgFadeControl();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        * @param aRect the rect of this component
+        */
+        void ConstructL( const TRect& aRect );
+
+		/*
+		* Error handling method
+		* @param aError Error id
+		*/
+		void HandleError( TInt aError );
+
+        /**
+        * Updates clipped text so that it fits to the current
+        * the navi pane
+        * @return None
+        */
+        void UpdateClippedMessage();
+
+
+    private: //data
+        
+		/*
+		*	Periodic timer is used to drive fade control. Owns
+		*/
+       	CPeriodic* iTimer;
+
+		/*
+		*	Index to color array.
+		*/
+		TInt iColorIndex;
+		
+		/*
+		*	Timer interval.
+		*/
+		TInt iTimerTick;
+
+		/*
+		*	Font that is used
+		*/
+		const CFont* iFadeFont;
+		//View rectangle
+		TRect iViewRect;
+		 
+		//Observer array
+		CArrayPtrSeg<MIMCVNewMsgFadeControlObserver>* iObserverArray;
+		//Layouts for texts
+		RArray<TAknLayoutText> iTextLayouts;
+
+		TAknLayoutRect iNavipaneRect;
+
+		MAknsControlContext* iBgContext;
+
+		/*
+		*	Message to fade
+		*/
+		HBufC* iIMessage;
+
+		/*
+		*	Owned. Message which will fit the screen.
+		*/
+		HBufC* iClippedMessage;
+
+		/*
+		*	State of timer
+		*/
+		TTimerStates iTimerState;
+
+		//does not own
+		MIMCVAppLayoutInfo* iLayoutInfo;
+	};
+
+#endif  // CIMCVNewMsgFadeControl_H