--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/effectsrc/shwtimedvalue.h Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,170 @@
+/*
+* 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:
+*
+* Description: Wrapper on top of THuiTimedValue to enable pause / resume
+ *
+*/
+
+
+
+
+#ifndef __SHWTIMEDVALUE_H__
+#define __SHWTIMEDVALUE_H__
+
+// Include Files
+#include <e32std.h>
+#include <alf/alftimedvalue.h>
+//#include <uiacceltk/huitimedpoint.h>
+
+/**
+ * Wrapper class to enable pause and resume for timed values.
+ *
+ * @author Kimmo Hoikka
+ * @lib shwslideshowengine.lib
+ */
+NONSHARABLE_CLASS( TShwTimedValue )
+ {
+ public: // the API
+
+ /**
+ * Constructor, initializes value to zero
+ */
+ inline TShwTimedValue();
+
+ /**
+ * Sets the interpolation style
+ * @param aStyle, @ref THuiInterpolationStyle
+ */
+ inline void SetStyle( TAlfInterpolationStyle aStyle );
+
+ /**
+ * Sets the value to be aValue now
+ * @param aValue the target value
+ */
+ inline void Set( TReal32 aValue );
+
+ /**
+ * Sets the value to be aValue after the specified aTime
+ * @param aValue the target value
+ * @param aTime the target time for the value
+ */
+ inline void Set( TReal32 aValue, TInt aTime );
+
+ /**
+ * Return the current interpolated value.
+ * @return the current value
+ */
+ inline TReal32 Now();
+
+ /**
+ * Return the target value.
+ * @return the current value
+ */
+ inline TReal32 Target();
+
+ /**
+ * @return ETrue if the value has changed since last time
+ */
+ inline TBool Changed() const;
+
+ /**
+ * Clears the changed flag
+ */
+ inline void ClearChanged();
+
+ /**
+ * Pauses the timed value
+ */
+ inline void Pause();
+
+ /**
+ * Resumes the timed value
+ */
+ inline void Resume();
+
+ private: // Data
+
+ TAlfTimedValue iTimedValue;
+ TBool iPaused;
+ TReal32 iTargetValue;
+ TInt iRemainingTime;
+
+ };
+
+/**
+ * Wrapper class to enable pause and resume for timed values
+ */
+NONSHARABLE_CLASS( TShwTimedSize )
+ {
+ public: // the API
+
+ /**
+ * Constructor, initializes value to zero
+ */
+ inline TShwTimedSize();
+
+ /**
+ * Sets the interpolation style
+ * @param aStyle, @ref THuiInterpolationStyle
+ */
+ inline void SetStyle( TAlfInterpolationStyle aStyle );
+
+ /**
+ * Sets the value to be aValue now
+ * @param aValue the target value
+ */
+ inline void Set( TAlfRealSize aValue );
+
+ /**
+ * Sets the value to be aValue after the specified aTime
+ * @param aValue the target value
+ * @param aTime the target time for the value
+ */
+ inline void Set( TAlfRealSize aValue, TInt aTime );
+
+ /**
+ * Return the current interpolated value.
+ * @return the current value
+ */
+ inline TAlfRealSize Now();
+
+ /**
+ * @return ETrue if the value has changed since last time
+ */
+ inline TBool Changed() const;
+
+ /**
+ * Clears the changed flag
+ */
+ inline void ClearChanged();
+
+ /**
+ * Pauses the timed value
+ */
+ inline void Pause();
+
+ /**
+ * Resumes the timed value
+ */
+ inline void Resume();
+
+ public: // Data
+
+ TShwTimedValue iWidth;
+ TShwTimedValue iHeight;
+
+ };
+
+#include "shwtimedvalue.inl"
+
+#endif // __SHWTIMEDVALUE_H__