--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmuifw_plat/mul_sliderwidget_api/inc/mul/imulsliderwidget.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,193 @@
+/*
+* 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:  Widget interface with utilities for slider widget.
+*
+*/
+
+#ifndef I_MUL_SLIDERWIDGET_H
+#define I_MUL_SLIDERWIDGET_H
+
+//WidgetModel includes
+#include <alf/ialfwidget.h>
+#include <alf/alfevent.h>
+#include <alf/alfwidgetevents.h>
+#include <alf/ialfwidgetfactory.h>
+#include <mul/imulslidermodel.h>
+#include <alf/alflayout.h>
+#include<alf/ialfwidgeteventhandler.h>
+//osn includes
+#include <osn/osndefines.h>
+#include <osn/ustring.h>
+
+namespace Alf
+    {
+namespace mulsliderwidget
+    {
+    /**
+     * @namespace mulsliderwidget
+     * 
+     * ident specifies the unique identifier for the grid widget.
+     */
+    static const IfId ident =
+        {
+        0, "mulsliderwidget"
+        };
+    static const Utf8* const KBaseElementName = "BaseElement";
+    }
+
+
+
+/**
+ * The data which can be used as last (optional) paramenter of 
+ * IAlfWidgetFactory::createWidget function while creating the slider widget 
+ * imperatively. If this data is not passed, default values are used
+ * to create visualization.
+ *
+ */
+class MulSliderInitData : public AlfCustomInitDataBase
+    {
+public:
+    /**
+     * mBaseElementLoadId visualization base element is created 
+     *             using Load ID.
+     */
+    const char* mBaseElementLoadId;
+    
+    /* mBaseElementData pointed to baseElement custom data
+	   * All baseelement related data are in this class
+     */
+ 
+    AlfCustomInitDataBase *mBaseElementData;
+    };
+    
+    
+/**
+ * Interface for the slider widget.
+ *
+ *
+ * Default visualization of slider contains following components.
+ * <ul>
+ * <li>Handle (The position of the handle shows the current tick position)</li>
+ * <li>Track (Place holder for Handle)</li>
+ * </ul>
+ *
+ *
+ *  A slider widget is used along with photos,coverflow and list widget.
+ * <ul> 
+ * <li> template 1 is used i.e. in 2D coverflow as a navigational component.
+ * 
+ * <li> template 3 is used i.e. in Photos as a pop-up zoom slider.
+ *
+ * <li> template 7 is used i.e. in Video Centre list view as a progressive
+ * downloading track counter/progress bar.
+ * There is no potrait version of this template.
+ * 
+ * </ul>
+ * The communication between slider and the widgets happens by means of an
+ * event ETypePrimaryValueChange from slider and in response widgets directly
+ * update slider's model.
+ * Slider handles both Key and Pointer Events.
+ *
+ * KeyEvents : EStdKeyRightArrow,EStdKeyLeftArrow,EEventKeyDown,EEventKeyUp.
+ * PointerEvents : EButton1Down,EDrag.
+ *
+ *
+ */
+class IMulSliderWidget: public IAlfWidget
+    {
+public:
+    /**
+     * Get the type of widget.
+     * 
+     * @return The type of widget
+     */
+    static  const IfId& type()
+        {
+        return mulsliderwidget::ident;
+        }
+
+    /**
+     * Gets the Base Element Name.
+     *
+     * @return The base element's name
+     */
+    static inline const char* baseElementName()
+        {
+        return mulsliderwidget::KBaseElementName;
+        }
+    	/**
+		 * Get the model for widget.
+		 *
+		 * @return model of the slider widget
+		 */
+		virtual IMulSliderModel& SliderModel() = 0;
+		
+		/**
+		 * Set the transparency for the background of the slider widget.
+		 *
+		 * @param True,  to set background as transparent
+		 * @param False, to set background as opaque	
+		 */
+		virtual void MakeTransparent( bool aTransparent ) = 0;
+		
+		/**
+		 * Enable/Disable key handling .
+		 *
+		 * @param aVal: True,  to handle keyevents by Application
+		 * 		 	  False, to handle keyevents as defined in the control	
+		 */
+		virtual void SetHandleKeyEvent( bool aVal ) = 0;    
+		/**
+		 * Hide or Show widget  .
+		 *
+		 * @param aShow: True,  Shows the widget
+		 * 		 	  False, Hides the widget	
+		 * @param aTransitionTime: Transition time to show/Hide.
+		 */
+		virtual void ShowWidget(bool aShow, int aTransitionTime =0) = 0;
+		/**
+		 * Returns the state of the Widget(Hide/show).
+		 *
+		 */
+		virtual bool IsHidden() = 0;
+		
+		/**
+		 * Returns the container layout.
+		 *
+		 */
+		virtual const CAlfLayout& ContainerLayout() = 0; 
+    	   /**
+		 * Add an observer to widget inorder to get event notifications
+		 * from the widget. Widget can have multiple observersers.
+		 *
+		 * @param aObserver Observer of widget.
+		 **/
+		virtual void AddEventHandler( IAlfWidgetEventHandler& aObserver) = 0;
+		/**
+		 * Remove an observer to widget
+		 *
+		 * @param aObserver Observer of widget.
+		 */
+		virtual void RemoveEventHandler( IAlfWidgetEventHandler& aObserver) = 0;  
+    /**
+     * Destructor.
+     */	
+    virtual ~IMulSliderWidget() {}
+
+    };
+
+    } // namespace Alf
+
+#endif // I_MUL_SLIDERWIDGET_H
+//End Of File