diff -r 000000000000 -r 8466d47a6819 emailuis/uicomponents/inc/fsfadeeffect.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/fsfadeeffect.h Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,165 @@
+/*
+* Copyright (c) 2007 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: Fade effect for a list component.
+ *
+*/
+
+
+#ifndef C_FSFADEEFFECT_H
+#define C_FSFADEEFFECT_H
+// SF
+#include
+//
+//////TOOLKIT CLASSES
+class CAlfVisual;
+class CAlfControl;
+
+class MFsFadeEffectObserver;
+
+
+/**
+ * Class used for fade in/out effects.
+ *
+ * @lib
+ */
+NONSHARABLE_CLASS(CFsFadeEffect): public CBase, public MAlfEventHandler
+ {
+
+public:
+ /**
+ * Two-phased constructor
+ *
+ * @param aRoot Root visual/layout which of the opacity is controlled
+ * @param aTime Speed of fade in/out effect. Time in miliseconds.
+ *
+ * @return Pointer to the new fade effect object
+ */
+ static CFsFadeEffect* NewL(CAlfControl* aControl, CAlfVisual* aRoot, TInt aTime);
+
+ /**
+ * Two-phased constructor
+ *
+ * @param aObserver Observer which will receive events about state chages
+ * @param aRoot Root visual/layout which of the opacity is controlled
+ * @param aTime Speed of fade in/out effect. Time in miliseconds.
+ *
+ * @return Pointer to the new fade effect object
+ */
+ static CFsFadeEffect* NewL(CAlfControl* aControl, MFsFadeEffectObserver* aObserver,
+ CAlfVisual* aRoot,
+ TInt aTime);
+
+ /**
+ * Launches fade in effect
+ */
+ void FadeIn();
+
+ /**
+ * Launches fade out effect
+ */
+ void FadeOut();
+
+ /**
+ * Sets duration (in miliseconds) of the fade effects.
+ * @param aTime Fade effect's duration in milisecond.
+ */
+ void SetTime(const TInt aTime);
+
+ /**
+ * Returns speed of the fade effect
+ *
+ * @return Duratin of the fade effect in miliseconds.
+ */
+ TInt Time() const;
+
+public: //From MAlfEventHandler
+
+ /**
+ * From MAlfEventHandler
+ * Called when an input event is being offered to this object.
+ *
+ * The implementation must ensure that the function returns EFalse if
+ * it does not do anything in response to the event, otherwise, other objects
+ * may be prevented from receiving the event. If it is able to process the
+ * event it should return ETrue.
+ *
+ * @param aEvent Event to be handled.
+ *
+ * @return ETrue
, if the event was handled.
+ * Otherwise EFalse
.
+ */
+ virtual TBool OfferEventL(const TAlfEvent& aEvent);
+
+private:
+ /**
+ * Constructor
+ *
+ * @param aRoot Root visual/layout which of the opacity is controlled
+ * @param aTime Speed of fade in/out effect. Time in miliseconds.
+ *
+ */
+ CFsFadeEffect(CAlfControl* aControl,CAlfVisual* aRoot, TInt aTime);
+
+
+ /**
+ * Constructor
+ *
+ * @param aObserver Observer which will receive events about state chages
+ * @param aRoot Root visual/layout which of the opacity is controlled
+ * @param aTime Speed of fade in/out effect. Time in miliseconds.
+ *
+ * @return Pointer to the new fade effect object
+ */
+ CFsFadeEffect(CAlfControl* aControl,MFsFadeEffectObserver* aObserver,
+ CAlfVisual* aRoot,
+ TInt aTime);
+
+private:
+
+ /**
+ * Custom events that informs about ending a fade effect.
+ */
+ enum TCustomEvent
+ {
+ ECustomEventFadeInFinished = 200,
+ ECustomEventFadeOutFinished
+ };
+
+private:
+
+ /**
+ *
+ */
+ CAlfControl* iControl;
+
+ /**
+ * Root visual/layout which of the opacity is controlled
+ * Not own.
+ */
+ CAlfVisual* iRoot;
+
+ /**
+ * Observer of fade eddects
+ * Not own.
+ */
+ MFsFadeEffectObserver* iObserver;
+
+ /**
+ * Speed of fade in/out effects
+ */
+ TInt iTime;
+
+ };
+
+#endif //C_FSFADEEFFECT_H