--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuiave/AppSrc/CCAFadeControl.h	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,272 @@
+/*
+* Copyright (c) 2003-2005 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 CCAFADECONTROL_H
+#define CCAFADECONTROL_H
+
+
+//  INCLUDES
+#include "MCAFadeTextObserver.h"
+#include <aknview.h>
+#include <aknutils.h>
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class MAknsControlContext;
+class MCALayoutInfo;
+// CLASS DECLARATION
+
+/**
+*  This class declares text fader component
+*
+*  @lib chat.app
+*  @since 1.2s
+*/
+class CCAFadeControl : 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 CCAFadeControl* NewL( const TRect& aRect );
+
+        /**
+         * Two-phased costructor. Leaves object into stack
+         * @param aRect TRect
+         * @return instance of class
+         */
+        static CCAFadeControl* NewLC( const TRect& aRect );
+
+
+        /**
+        * Destructor.
+        */
+        ~CCAFadeControl();
+
+    public: //New Functions
+
+        /**
+         * Starts fading text
+         * @since 2.1
+         */
+        void Start();
+
+        /**
+         * Stops fading
+         * @since 2.1
+         */
+        void Stop();
+
+        /**
+         * Registers observer
+         * @since 2.1
+         * @param aObserver Observer instance
+         */
+        void AddObserver( MCAFadeTextObserver* aObserver );
+
+        /**
+         * Sets the fade message
+         * @since 2.1
+         * @param aMsg Descriptor containing message
+         */
+        void SetMessage( const TDesC& aMsg );
+
+        /**
+         * Returns message
+         * @since 2.1
+         * @return descriptor that contains message
+         */
+        TPtrC Message() const;
+
+        /**
+         * Tells if fading is active
+         * @since 2.1
+         * @return ETrue if active else EFalse
+         */
+        TBool IsActive();
+
+        /**
+         * Resets the faded string
+         * @since 2.1
+         */
+        void Reset();
+
+        /**
+         * Does the actual changing of text color
+         * @since 2.1
+         * @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 2.1
+         */
+        void StartTicker( const TTimeIntervalMicroSeconds32 aDelayInternal );
+
+        /**
+         * Stops the timer
+         * @since 2.1
+         */
+        void StopTicker();
+
+        /**
+         * Reports that this CoeControl has changed
+         * @since 2.1
+         */
+        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.
+        */
+        CCAFadeControl();
+
+        /**
+        * 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
+        MCAFadeTextObserver* iObserver;
+        //Observer array
+        CArrayPtrSeg<MCAFadeTextObserver>* 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
+        MCALayoutInfo* iLayoutInfo;
+    };
+
+#endif  // CCAFADECONTROL_H