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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Control interface with utilities for slider widget.
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*
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*/
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#ifndef MUL_SLIDERCONTROL_H
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#define MUL_SLIDERCONTROL_H
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//WidgetModel Includes
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#include <alf/alfwidgetcontrol.h>
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#include <alf/alfwidgeteventhandler.h>
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#include "alf/alfelement.h"
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#include <touchfeedback.h>
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//Osn Includes
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#include <osn/ustring.h>
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using namespace osncore;
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using namespace Alf;
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// Forward declarations
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class TAlfCustomEventCommand;
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const float roundOff = 0.5;
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namespace Alf
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{
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// Forward declaration
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class IAlfModel;
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class AlfModelOperation;
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class MulSliderControl : public CAlfWidgetControl
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{
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public:
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/**
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* Constructor.
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*/
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MulSliderControl ( CAlfEnv& aEnv );
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/**
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* Class Destructor.
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* @since S60 ?S60_version
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*/
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virtual ~MulSliderControl();
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//--------------------------------------------------------------------------
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//Overriden Apis from Base class CAlfControl
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//--------------------------------------------------------------------------
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//
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/**
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* Notifies the owner that the layout of a visual has been recalculated.
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* Called only when the EAlfVisualFlagLayoutUpdateNotification flag has
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* been set for the visual.
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*
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* @param aVisual Visual that has been laid out.
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*/
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void VisualLayoutUpdated ( CAlfVisual& aVisual );
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/**
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* Returns top level layout. Returns NULL if this control does not
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* implement the IAlfHostAPI interface or if there is no base layout.
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*
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* @return Pointer to top level layout, or NULL if not available.
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*/
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CAlfLayout* ContainerLayout ( const CAlfControl* aConnected ) const;
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// from base class CAlfWidgetControl
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/**
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* @see IAlfWidgetControl
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*/
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AlfEventStatus handleEvent( const TAlfEvent& aEvent );
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/**
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* Update the presentation according to the data changes.
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*
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* @since S60 ?S60_version
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* @param aArrayOfOperation An Array containing the operations performed on
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* the model.
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*/
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void dataChanging ( const AlfModelOperation& aOperation );
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/**
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* removes an element.
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*/
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void removeAndDestroyElement(const IAlfElement& aElement );
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// From base class IAlfInterfaceBase
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/**
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* From IAlfInterfaceBase.
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* Getter for interfaces provided by the control classes.
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* Derived classes should always call the base class method
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* from the overridden MakeInterface.
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*
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* @since S60 ?S60_version
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* @param aType A descriptor to identify the type of the queried interface.
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* @return The queried interface, or NULL if the interface is not
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* supported or available.
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*/
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IAlfInterfaceBase* makeInterface ( const IfId& aType );
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public:
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/**
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* Generates the feedback based on the events recieved
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*
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*/
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void TactileEffectOnTouchandHold();
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/**
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* Generates the feedback based on the events recieved
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*
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* @param aEvent Events recieved by the widget on Drag
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* @param aIntensity Intensity of the feedback.If not passed default will be 50
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*/
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void TactileEffectOnDrag(TAlfEvent& aEvent , int aIntensity = 50 );
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/**
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* Generates the feedback based on the thumb release
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* or drag on thumb is stopped
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*/
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void TactileEffectOnRelease();
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private:
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/**
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* Rounds float to int
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*
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* @param aFloatValue float value
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* @return int
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*/
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inline int roundFloatToInt ( float aFloatValue )
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{
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return(int)(aFloatValue + roundOff);
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}
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/**
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* Sets whether or not tactile feedback is enabled.
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*
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* @param aEnabled Whether or not tactile is enabled.
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*/
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void EnableTactileFeedback( bool aEnabled );
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private:
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/**
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* Default contructor
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*/
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MulSliderControl();
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/**
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* IAlfAttributeOwner implementation. Own.
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*/
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/**
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* height of the Layout.
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*/
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int mLayoutHeight;
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/**
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* width of the Layout.
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*/
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int mLayoutWidth;
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/**
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* tactile is enabled or not.
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*/
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bool mEnableTactile;
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/**
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* Tactile Feedback for drag started
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*/
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bool mDragTactileFeedbackStarted;
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/**
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* pointer to get the current tactile instance
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*/
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MTouchFeedback *mTactilefdbInstance;
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}; // class MulSliderControl
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} // namespace Alf
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#endif //MUL_SLIDERCONTROL_H
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//End Of File
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