--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/src/fstreecontrol.cpp	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,190 @@
+/*
+* 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:  CFsTreeControl is a HUI control that handles UI events for
+*                tree list.
+*
+*/
+
+
+//////TOOLKIT INCLUDES
+// <cmail> SF
+#include "emailtrace.h"
+#include <alf/alfevent.h>
+// </cmail>
+
+
+// <cmail> Needed for pointer events. "Base class modifications for using touch"
+#include <alf/alfdisplay.h>
+#include <alf/alfroster.h>
+// </cmail>
+
+
+//////PROJECT INCLUDES
+//<cmail> removed __FS_ALFRED_SUPPORT flag
+//#include <fsconfig.h>
+//</cmail> removed __FS_ALFRED_SUPPORT flag
+#include "fstreecontrol.h"
+#include "fstreevisualizer.h"
+ 
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CFsTreeControl* CFsTreeControl::NewL( CAlfEnv& aEnv, 
+                                               CFsTree& aTree, 
+                                               MFsTreeVisualizer& aVisualizer )
+    {
+    FUNC_LOG;
+    CFsTreeControl* self = new( ELeave ) CFsTreeControl( //aEnv, 
+                                                         aTree, 
+                                                         aVisualizer );
+    CleanupStack::PushL( self );
+    self->ConstructL( aEnv );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// C++ destructor.
+// ---------------------------------------------------------------------------
+//
+CFsTreeControl::~CFsTreeControl() 
+    {
+    FUNC_LOG;
+    
+    }
+
+// ---------------------------------------------------------------------------
+// From class CHuiControl.
+// Called when an input event is being offered to the control.
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TBool CFsTreeControl::OfferEventL(const TAlfEvent& aEvent)
+  {
+  FUNC_LOG;
+  TBool eventHandled = EFalse;
+  
+  //Handle pointer events
+  if ( aEvent.IsPointerEvent() )
+      {
+      if (aEvent.PointerEvent().iType == TPointerEvent::EButton1Down)
+          {
+          SetDragEvents(ETrue);
+          }
+      if (aEvent.PointerEvent().iType == TPointerEvent::EButton1Up)
+          {
+          SetDragEvents(EFalse);
+          }
+      eventHandled = iTreeVisualizer.HandlePointerEventL( aEvent );
+      }
+  else if( iFocused && aEvent.IsKeyEvent() && aEvent.Code() == EEventKey)
+      {
+      eventHandled = iTreeVisualizer.HandleKeyEventL( aEvent );
+      }    
+  return eventHandled;
+  }
+
+//---------------------------------------------------------------------------
+// Sets focus state of list component
+//---------------------------------------------------------------------------
+void CFsTreeControl::SetFocused( const TBool aFocused )
+    {
+    FUNC_LOG;
+    iFocused = aFocused;
+    }
+//---------------------------------------------------------------------------
+// Returns state of the focus
+//---------------------------------------------------------------------------
+TBool CFsTreeControl::IsFocused() const
+    {
+    FUNC_LOG;
+    return iFocused;
+    }
+
+// ---------------------------------------------------------------------------
+//  
+// ---------------------------------------------------------------------------
+//
+void CFsTreeControl::VisualPrepareDrawFailed(CAlfVisual& /*aVisual*/,
+                                             TInt /*aErrorCode*/)
+    {
+    FUNC_LOG;
+
+    }
+
+// <cmail> "Base class modifications for using touch"
+// ---------------------------------------------------------------------------
+//  C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CFsTreeControl::CFsTreeControl( /*CAlfEnv& aEnv,*/ CFsTree& aTree, MFsTreeVisualizer& aVisualizer )
+    : //CHuiControl( aEnv ),
+      iTree(aTree),
+      iTreeVisualizer( aVisualizer ),
+	  iFocused( ETrue ),
+	  iGetExtraPointerEvents(EFalse)
+    {
+    FUNC_LOG;
+
+    }
+// </cmail>
+
+
+// ---------------------------------------------------------------------------
+//  Second phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CFsTreeControl::ConstructL( CAlfEnv& aEnv )
+    {
+    FUNC_LOG;
+    CAlfControl::ConstructL( aEnv );
+    }
+
+// <cmail>
+void CFsTreeControl::NotifyControlVisibility( TBool  aIsVisible, CAlfDisplay& /*aDisplay*/ )
+    {
+    iTreeVisualizer.NotifyControlVisibilityChange(aIsVisible);
+    if (!aIsVisible)
+        {
+        SetDragEvents(EFalse);
+        }
+    }
+
+
+void CFsTreeControl::SetDragEvents(TBool aEnable)
+    {
+    //Add & remove extra touch events. 
+    if (Display())
+        {
+        if(aEnable && !iGetExtraPointerEvents)
+            {
+            Display()->Roster().AddPointerEventObserver(EAlfPointerEventReportDrag, *this);
+            Display()->Roster().AddPointerEventObserver(EAlfPointerEventReportLongTap, *this);
+            Display()->Roster().AddPointerEventObserver(EAlfPointerEventReportUnhandled, *this);
+            //aDisplay.Roster().DisableLongTapEventsWhenDragging(*this);
+            iGetExtraPointerEvents = ETrue;
+            }
+        else if(!aEnable && iGetExtraPointerEvents )
+            {
+            Display()->Roster().RemovePointerEventObserver(EAlfPointerEventReportDrag, *this);
+            Display()->Roster().RemovePointerEventObserver(EAlfPointerEventReportLongTap, *this);
+            Display()->Roster().RemovePointerEventObserver(EAlfPointerEventReportUnhandled, *this);
+            iGetExtraPointerEvents = EFalse;
+            }
+        }
+    }
+// </cmail>
+