mulwidgets/mulsliderwidget/inc/mulprogressbarslider.h
branchRCL_3
changeset 26 0e9bb658ef58
parent 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/mulsliderwidget/inc/mulprogressbarslider.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,223 @@
+/*
+* 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: Header for slider presentation elements.
+ *
+*/
+
+ 
+#ifndef MUL_SLIDERPROGRESSIVE_H
+#define MUL_SLIDERPROGRESSIVE_H
+
+//INCLUDES
+
+#include "alf/alfelement.h"
+#include "mulslidermodel.h"
+#include "imulsliderbaseelementinternal.h"
+#include <alf/alfbitmapprovider.h>
+#include <alf/ialfwidgeteventhandler.h>
+namespace Alf
+    {
+    class CAlfWidgetControl;
+	/**
+	 * Default Base Element of the slider.
+	 */
+	class MulSliderProgressive : 
+	    public AlfElement, 
+	    public IAlfWidgetEventHandler,
+	    public IMulSliderBaseElementInternal,
+	    public MAlfBitmapProvider
+	    {
+		public:
+		    /**
+		     * Constructor
+		     * @param aControl Widget control.
+		     * @param aName Name of the item element.
+		     * @param aCustomData .
+		     * @param mNode .
+		     * @since S60 ?S60_version
+		     */
+		    MulSliderProgressive (
+		        CAlfWidgetControl& aControl, 
+		        const char* aName, AlfCustomInitDataBase* /*aCustomData*/);
+			 /**
+		     * Destructor 
+		     */    
+		    virtual ~MulSliderProgressive();
+    
+	    /**
+	     * bitmap provider.
+	     * @since S60 ?S60_version
+	     * @param aId bitmap ID.
+	     * @param aBitmap bitmap.
+	     * @param aMaskBitmap mask for the bitmap.
+	     * @return 
+	     */
+			void ProvideBitmapL (TInt aId, 
+			                     CFbsBitmap *& aBitmap, 
+	                         CFbsBitmap *& aMaskBitmap);
+		    
+			/**
+		     * From IAlfInterfaceBase.
+		     * Getter for interfaces provided by the  widget class.
+		     * @since S60 ?S60_version
+		     * @param aType A descriptor to identify the type of the queried
+		     *  interface.
+		     * @return The queried interface, or NULL if the interface is not
+		     *         supported or available.
+		     */
+		     virtual IAlfInterfaceBase* makeInterface(const IfId& aType);
+		      /**
+		     * @see IAlfWidgetEventHandler
+		     */
+		    virtual AlfEventHandlerType eventHandlerType();
+			/**
+		     * @see IAlfWidgetEventHandler
+		     */
+		    virtual AlfEventHandlerExecutionPhase eventExecutionPhase();
+		    
+		    
+		    //--------------------------------------------------------------------------
+		    //Overriden Apis from IAlfWidgetEventHandlers
+		    //--------------------------------------------------------------------------
+		    //
+			/**
+		     * Used to identify event handlers that are capable of handling
+		     * a specified key or custom event.
+		     * Pointer event handlers cannot be identified directly, 
+		     * since they are dependent on the presentation.
+		     * Therefore, pointer event handlers should be associated with
+		     * a custom event ID that can be used to
+		     *  simulate the actual pointer event.
+		     * @since S60 ?S60_version
+		     * @param aEvent The event.
+		     * @param aControl
+		     * @return <code>ETrue</code> if the event can be processed. 
+		     * Otherwise <code>EFalse</code>.
+		     */
+		    bool accept(
+		        CAlfWidgetControl& aControl, const TAlfEvent& aEvent) const;
+			/**
+		     * Called when an input event is being offered to this event handler.
+		     * The return value is used to indicate if the event was processed.
+		     * Processed events may not be offered to other event handlers.
+		     * @since S60 ?S60_version
+		     * @param aControl    The parent control of this event handler.
+		     * @param aEvent    The event.
+		     * @return <code>ETrue</code> if the event was processed. 
+		     * Otherwise <code>EFalse</code>.
+		     */
+		   	virtual AlfEventStatus offerEvent(
+		        CAlfWidgetControl& aControl, 
+		        const TAlfEvent& aEvent );
+			/**
+		     * Defines the widget states, where the event handler is active.
+		     * By default, if this method 
+		     * is not called, the event handler is expected
+		     * to be active in all states.
+		     * @param aStates A bitmask defining the widget
+		     * states, where the event
+		     * handler is active. The low 16 bits are reserved for the states
+		     * defined by the framework in <TODO: add reference>.
+		     * The high 16 bits are
+		     * available for states defined by the client code.
+		     */
+		    void setActiveStates(unsigned int aStates);
+		    /**
+		     * Sets AlfWidgetEventHandlerInitData to event handler.
+		     * @param aData A data structure which contains
+		     * for example id of the event
+		     * handler.
+		     */
+		    virtual void setEventHandlerData(
+		        const AlfWidgetEventHandlerInitData& /*aData*/ )
+		        {
+		        
+		        }
+		    /**
+		     * Returns AlfWidgetEventHandlerInitData.
+		     * @return  A pointer to AlfWidgetEventHandlerInitData structure 
+		     * which contains for example id of the event handler.
+		     */
+		    virtual AlfWidgetEventHandlerInitData* eventHandlerData()
+		        {
+		          return NULL;
+		        }
+		        
+	    	//--------------------------------------------------------------------------
+		    //Overriden Apis from IMulSliderBaseElementInternal
+		    //--------------------------------------------------------------------------
+		    //
+	  
+		    /**
+		     * Notified when the base layout of slider changes .
+		     * Relayouts all the visuals with respect to the new size.
+		     */
+		    void baseLayoutSizeChanged();
+		   
+		     /**
+		     * update visualization
+		     *
+		     */  
+		    void updateVisualization();
+		   
+		    /**
+		     * create visulization for slider
+		     * @param aTemplateId - template id
+		     */ 
+		    void createVisualization(sliderTemplate aTemplateId);
+		    		    
+		    
+		    /**
+		     * Updates Text visualization.
+         	 * 
+		     */
+		    void updateTextVisualization();
+		    
+		private:
+            
+            /**
+             * layoutVisuals setpos visulization for slider
+             * @param aTemplateId - template id
+             */ 
+		    void layoutVisuals(sliderTemplate templateid);
+            
+		    /**
+		     * initializeSliderData to initialize the model and widget pointers
+		     */
+			 void initializeSliderData();
+		   
+		   /**
+			 * Normalise the template specific data with that from the Model.
+			 */
+     	
+		 	 void NormalizeRange();
+		    /**
+			 * Sets the position of the handle
+			 * 
+			 * @param aCurrTick The new position of the progress bar
+			 * 
+			 */
+		     void SetTickPosition(int aCurrTick);
+	
+	   	 private: // Class Data
+		    struct MulSliderProgressBarImpl* mData;
+		    MulSliderModel * mSliderModel;
+		    MulSliderWidget * mSliderWidget;
+		    CFbsBitmap* iBitmap;
+	    }; // end of class
+	    
+    } // end of namespace Alf
+    
+#endif //MUL_SLIDERPROGRESSIVE_H
+//End Of File