--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/mulsliderwidget/src/mulslidercontrol.cpp	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,282 @@
+/*
+* 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:  Control Implementation with utilities for slider widget.
+*
+*/
+
+// Toolkit includes
+#include <alf/alfenv.h>
+#include <alf/alfroster.h>
+#include <alf/alfdisplay.h>
+
+// Widget model includes
+#include <alf/alfwidgeteventhandler.h>
+#include <alf/alfwidgetevents.h>
+#include "alf/alfattribute.h"
+#include <alf/alfutil.h>
+#include "alf/alfmodeloperation.h"
+#include <alf/alfcontrolgroup.h>
+
+// libc includes
+#include <libc/string.h>
+#include <libc/stdlib.h>
+#include <mul/mulevent.h>
+
+//Widget includes
+
+//Internal includes
+#include "mulslidercontrol.h"
+#include "mulsliderwidget.h"
+#include "mulslidermodel.h"
+#include "imulsliderbaseelementinternal.h"
+
+//namespaces
+using namespace osncore;
+using namespace mulsliderwidget;
+
+
+namespace Alf
+    {
+// ---------------------------------------------------------------------------
+//  Constructor.
+// ---------------------------------------------------------------------------
+//
+MulSliderControl::MulSliderControl(CAlfEnv& aEnv) : 
+    CAlfWidgetControl(aEnv)
+    {
+    mLayoutHeight = -1; //this means that the first draw is yet to happen.
+    mLayoutWidth = -1;  //this means that the first draw is yet to happen.
+    mDragTactileFeedbackStarted = false;
+    mEnableTactile = false; // Next statement will make it true
+    mTactilefdbInstance = NULL;
+    EnableTactileFeedback(true);
+    }
+    
+    
+// ---------------------------------------------------------------------------
+// Destructor.
+// ---------------------------------------------------------------------------
+//
+MulSliderControl::~MulSliderControl()
+    {
+
+    }
+   
+   
+// ---------------------------------------------------------------------------
+// Notifies the owner that the layout of a visual has been recalculated.
+// Called only when the EAlfVisualFlagLayoutUpdateNotification flag has
+// been set for the visual.
+// ---------------------------------------------------------------------------
+//
+void MulSliderControl::VisualLayoutUpdated(CAlfVisual& aVisual)
+    {
+    
+    TPoint visualSize = aVisual.Size().IntValueNow();
+    
+    if((mLayoutWidth == -1 && visualSize.iX) == 0 || 
+        (mLayoutHeight == -1 && visualSize.iY) == 0)           
+        {
+        //return; /*No size assigned yet*/
+        }
+    else
+        {
+        //do nothing
+        }   
+
+    if(mLayoutWidth == visualSize.iX  && 
+        mLayoutHeight == visualSize.iY) 
+        {
+        //return; /* No change in layout size */
+        }
+        else
+        {
+        //do nothing
+        }
+
+    mLayoutWidth = visualSize.iX; 
+    mLayoutHeight = visualSize.iY;
+    IAlfElement* baseelement = findElement ("BaseElement");
+    IMulSliderBaseElementInternal* elementInternal = 
+        static_cast<IMulSliderBaseElementInternal*> (
+            baseelement->makeInterface(IMulSliderBaseElementInternal::type()));
+    if(elementInternal)
+        {
+        elementInternal->baseLayoutSizeChanged();
+        }
+    else
+        {
+        //do nothing
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// Returns top level layout.
+// ---------------------------------------------------------------------------
+//
+CAlfLayout* MulSliderControl::ContainerLayout(
+    const CAlfControl* /*aConnected*/) const
+    {
+    if(VisualCount())
+    {
+    //Return the root layout of the control
+    	return(static_cast<CAlfLayout*> (&Visual(0)));		
+    }
+    else
+    {
+    	return NULL;	
+    }
+    }
+
+
+// ---------------------------------------------------------------------------
+// From base class CAlfWidgetControl
+// Handle Alfred events.
+// ---------------------------------------------------------------------------
+//
+AlfEventStatus MulSliderControl::handleEvent( const TAlfEvent& aEvent )
+    {
+    AlfEventStatus ret = EEventNotHandled;
+    IAlfElement *base = findElement("BaseElement");
+    if(base)
+        {
+        IAlfWidgetEventHandler* element = 
+        static_cast<IAlfWidgetEventHandler*> (
+            base->makeInterface(IAlfWidgetEventHandler::type()));
+      
+        if(aEvent.IsCustomEvent())
+            {
+            if(aEvent.CustomParameter() == EEventMissedPointerUp) 
+                {
+                ret = element->offerEvent(*this,aEvent);
+                }
+            }
+        else if(aEvent.IsKeyEvent() || 
+                aEvent.IsPointerEvent())
+            {
+            // if the type of base element is slider , then
+            // convert the event to custom event
+            IMulSliderBaseElementInternal* elementInternal = 
+            static_cast<IMulSliderBaseElementInternal*> (
+                base->makeInterface(IMulSliderBaseElementInternal::type()));
+            ret = element->offerEvent(*this , aEvent);    
+            }
+        else
+            { 
+            }
+        }
+     return ret;   
+    }
+
+    
+// ---------------------------------------------------------------------------
+// From base class CAlfWidgetControl.
+// Notification that data is about to change in the data model.
+// ---------------------------------------------------------------------------
+//
+void MulSliderControl::dataChanging(const AlfModelOperation& /*aOperation*/)
+    {}
+
+
+// ---------------------------------------------------------------------------
+// From class IAlfInterfaceBase.
+// Getter for interfaces provided by the list widget.
+// ---------------------------------------------------------------------------
+//
+IAlfInterfaceBase* MulSliderControl::makeInterface(const IfId& aType)
+    {
+    UString param(aType.mImplementationId);
+   
+    return CAlfWidgetControl::makeInterface(aType);
+    }
+
+// ---------------------------------------------------------------------------
+// 
+// removeAndDestroyElement
+// 
+// ---------------------------------------------------------------------------
+//
+void MulSliderControl::removeAndDestroyElement(const IAlfElement& /*aElement*/)
+    {
+    // reset the variables
+    mLayoutWidth = -1;
+    mLayoutHeight = -1;    
+        
+    CAlfWidgetControl::removeAndDestroyElement(*findElement("BaseElement"));    
+    }
+//----------------------------------------------------------------------
+//
+//enableTactileFeedback
+//----------------------------------------------------------------------
+void MulSliderControl::EnableTactileFeedback(bool aEnabled)
+    {
+        if (!mTactilefdbInstance)
+            {
+             mEnableTactile = aEnabled;	
+             mTactilefdbInstance = MTouchFeedback::Instance();
+            }
+    }
+//----------------------------------------------------------------------
+//TactileEffectOnTouch
+//
+//----------------------------------------------------------------------
+void MulSliderControl::TactileEffectOnTouchandHold()
+    {
+    if (mTactilefdbInstance)
+        {
+        mTactilefdbInstance->InstantFeedback(ETouchFeedbackSlider);
+        }
+    }
+//----------------------------------------------------------------------
+//TactileEffectOnDrag
+//
+//----------------------------------------------------------------------
+void MulSliderControl::TactileEffectOnDrag(TAlfEvent& aEvent, int aIntensity)
+{            
+ if (mTactilefdbInstance)
+  {
+    CCoeControl* ccoecntrl = static_cast<CCoeControl*>(Display()->ObjectProvider());
+    TInt intensity = aIntensity;
+    TTimeIntervalMicroSeconds32 timespan = 400000;
+    mTactilefdbInstance->StartFeedback(ccoecntrl,ETouchDynamicSlider,&aEvent.PointerEvent(),intensity,timespan);
+    mDragTactileFeedbackStarted = true;
+   }
+}        
+//-------------------------------------------------------------------------------
+//
+//   TactileEffectOnRelease
+//--------------------------------------------------------------------------------
+//    
+void MulSliderControl::TactileEffectOnRelease()    
+{
+	if (mTactilefdbInstance)
+	{
+	if ( mDragTactileFeedbackStarted )
+	    {
+	    	// Touch Release on Thumb after drag
+	    CCoeControl* ccoecntrl = static_cast<CCoeControl*>(Display()->ObjectProvider());
+	    mTactilefdbInstance->StopFeedback(ccoecntrl);
+	    mDragTactileFeedbackStarted = false;
+	    }
+	else
+	    {
+	    // Touch Release on thumb	
+	    mTactilefdbInstance->InstantFeedback(ETouchFeedbackSlider);
+	    }
+	}
+}
+}//End of namespace Alf
+//End of File
+