--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/menufwui/mmwidgets/src/mmgridcontainer.cpp	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,404 @@
+/*
+* 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:
+*  Version     : %version: MM_76 % << Don't touch! Updated by Synergy at check-out.
+*  Version     : %version: MM_76 % << Don't touch! Updated by Synergy at check-out.
+*
+*/
+
+
+#include "mmgridcontainer.h"
+#include "mmgridmodel.h"
+#include "mmlistboxmodel.h"
+#include "mmmarqueeadapter.h"
+#include <AknsLayeredBackgroundControlContext.h>
+#include <AknsListBoxBackgroundControlContext.h>
+#include <layoutmetadata.cdl.h>
+#include "hnsuitemodel.h"
+#include "mmgrid.h"
+#include "mmwidgetsconstants.h"
+#include "hnglobals.h"
+#include "mmpostevaluationprocessor.h"
+#include "mmlistboxitemdrawer.h"
+#include "mmdraweranimator.h"
+
+// -----------------------------------------------------------------------------
+// CMmGridContainer::NewLC()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CMmGridContainer* CMmGridContainer::NewLC( const TRect& aRect,
+        MObjectProvider* aObjectProvider, CMmTemplateLibrary* aLibrary )
+    {
+    CMmGridContainer* self = new( ELeave ) CMmGridContainer();
+    CleanupStack::PushL( self );
+    self->ConstructL( aRect, aObjectProvider, aLibrary );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMmGridContainer::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CMmGridContainer* CMmGridContainer::NewL( const TRect& aRect,
+        MObjectProvider* aObjectProvider, CMmTemplateLibrary* aLibrary )
+    {
+    CMmGridContainer* self = NewLC( aRect, aObjectProvider, aLibrary);
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMmGridContainer::CMmGridContainer()
+// C++ default constructor
+// -----------------------------------------------------------------------------
+//
+CMmGridContainer::CMmGridContainer()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CAknGrid* CMmGridContainer::Grid()
+    {
+    return iGrid;
+    }
+// -----------------------------------------------------------------------------
+// CMmGridContainer::~CMmGridContainer()
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CMmGridContainer::~CMmGridContainer()
+    {
+    delete iGrid;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+THnSuiteWidgetType CMmGridContainer::WidgetType()
+  {
+  return EGridWidget;
+  }
+// -----------------------------------------------------------------------------
+// CMmGridContainer::ConstructL()
+// 2nd phase constructor
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::ConstructL( const TRect& aRect, MObjectProvider* aObjectProvider,
+        CMmTemplateLibrary* aTemplateLibrary )
+    {
+    CMmWidgetContainer::ConstructL();
+
+    SetMopParent( aObjectProvider );
+    CreateWindowL(); // Creates window.
+    iWidget = CreateGridL(aTemplateLibrary);
+    iWidget->SetListBoxObserver( this );
+    SetRect( aRect ); // Sets rectangle of frame.
+    ActivateL(); // Activates window. ( Ready to draw )
+    SetupDrawer();
+    SetHighlightVisibilityL( !AknLayoutUtils::PenEnabled() );
+    iPostProcessor = CMmPostEvaluationProcessor::NewL( *iDrawer );
+    }
+
+// -----------------------------------------------------------------------------
+// CMmGridContainer::CreateGridL()
+// Constructs listbox from resource, creates scroll bar and sets empty
+// list background text.
+// -----------------------------------------------------------------------------
+//
+CMmGrid* CMmGridContainer::CreateGridL( CMmTemplateLibrary* aTemplateLibrary )
+    {
+    iGrid = CMmGrid::NewL( this,
+        EAknListBoxSelectionList | EAknListBoxLoopScrolling | EAknListBoxDisableHighlight , aTemplateLibrary );
+    iGrid->SetContainerWindowL( *this );
+    iGrid->CreateScrollBarFrameL( ETrue );
+    iGrid->SetPrimaryScrollingType(
+          CAknGridView::EScrollFollowsItemsAndLoops );
+    iGrid->SetSecondaryScrollingType(
+          CAknGridView::EScrollFollowsGrid );
+    iGrid->ScrollBarFrame()->SetScrollBarVisibilityL(
+        CEikScrollBarFrame::EAuto, CEikScrollBarFrame::EAuto );
+    iGrid->ScrollBarFrame()->DrawBackground( EFalse, EFalse );
+    return iGrid;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SizeChanged()
+    {
+    CMmWidgetContainer::SizeChanged();
+    if ( iGrid )
+      {
+//    	iGrid->SetRect( Rect() );
+        iGrid->SetupLayout();
+        }
+    }
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SetEditModeL( TBool aIsEditMode )
+    {
+  if (aIsEditMode && !AknLayoutUtils::PenEnabled() )
+    {
+    iGrid->SetPrimaryScrollingType(
+        CAknGridView::EScrollStops );
+    iGrid->SetSecondaryScrollingType(
+        CAknGridView::EScrollStops );
+        }
+    else
+      {
+      iGrid->SetPrimaryScrollingType(
+                CAknGridView::EScrollFollowsItemsAndLoops );
+      iGrid->SetSecondaryScrollingType(
+                CAknGridView::EScrollFollowsGrid );
+
+      }
+
+  // In EditMode we allow Avkon to redraw scrollbar background
+  // to prevent scrollbar flicking.
+  // When edit mode is disabled, this redrawing causes performance problems
+  // (and disabling it does not produce erroneous side-effects).
+  if( aIsEditMode )
+    {
+      iGrid->ScrollBarFrame()->DrawBackground( EFalse, ETrue );
+    }
+  else
+    {
+      iGrid->ScrollBarFrame()->DrawBackground( EFalse, EFalse );
+    }
+
+    CMmWidgetContainer::SetEditModeL( aIsEditMode );
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMmGridContainer::SetEmptyTextL(const TDesC& aText)
+    {
+    iGrid->SetEmptyGridTextL( aText );
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMmGridContainer::SetDefaultHighlightL(  TBool aRedraw )
+    {
+    TInt defaultHighlight( 0 );
+    SetManualHighlightL( defaultHighlight + DefaultHighlightOffset(), aRedraw );
+    }
+
+// -----------------------------------------------------------------------------
+//
+//
+// -----------------------------------------------------------------------------
+//
+TInt CMmGridContainer::DefaultHighlightOffset()
+  {
+  TInt topVisibleItemIndex = iGrid->View()->TopItemIndex();
+  TInt hiddenPixels = -iGrid->View()->ItemOffsetInPixels();
+
+  if ( iGrid->View()->ItemIsPartiallyVisible( topVisibleItemIndex )
+    && hiddenPixels > iGrid->View()->ItemSize().iHeight / 2 )
+    {
+    topVisibleItemIndex += ColumnsInCurrentView();
+    }
+
+  return topVisibleItemIndex;
+  }
+
+// -----------------------------------------------------------------------------
+//
+//
+// -----------------------------------------------------------------------------
+//
+CMmListBoxModel* CMmGridContainer::GetMmModel()
+    {
+    return iGrid->MmModel()->MmListBoxModel();
+    }
+
+// -----------------------------------------------------------------------------
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SetItemDrawerAndViewBgContext(
+    CAknsBasicBackgroundControlContext * aBgContext )
+  {
+  iGrid->SetItemDrawerAndViewBgContext (aBgContext);
+  }
+
+// -----------------------------------------------------------------------------
+//
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SetupWidgetLayoutL()
+  {
+  User::LeaveIfNull( iGrid );
+  iGrid->SetupLayout();
+  }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SetSuiteModelL( CHnSuiteModel* aModel )
+    {
+    CMmWidgetContainer::SetSuiteModelL( aModel );
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SetHighlightVisibilityL( TBool aVisible )
+    {
+    CMmWidgetContainer::SetHighlightVisibilityL( aVisible );
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CMmGridContainer::HandleItemAdditionL()
+  {
+  iGrid->HandleItemAdditionL();
+  }
+
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CMmGridContainer::HandleItemRemovalL()
+  {
+
+  GetMmModel()->HandleSuiteEventL( ESuiteItemsRemoved, GetMmModel()->GetSuiteModel() );
+  ValidateWidgetCurrentItemIndex();
+  iDrawer->RemoveFloatingItems();
+  if( IsEditMode() )
+    {
+    iDrawer->GetAnimator()->SetNextRedrawToWholeScreen();
+    }
+
+  CacheWidgetPosition();
+  iGrid->View()->SetDisableRedraw( ETrue ); //prevention scroll view
+  iGrid->HandleItemRemovalL();
+  iGrid->View()->SetDisableRedraw( EFalse );
+  RestoreWidgetPosition();
+  CacheWidgetPosition();
+
+  if ( iCurrentHighlight != iGrid->CurrentItemIndex() )
+    {
+    iCurrentHighlight = iGrid->CurrentItemIndex();
+    if( !iCurrentHighlight && !iGrid->Model()->NumberOfItems() )
+      {
+      iCurrentHighlight = KErrNotFound ;
+      }
+    CHnSuiteModel* suiteModel = GetSuiteModelL();
+    if ( suiteModel )
+        {
+        suiteModel->SetSuiteHighlightL( iCurrentHighlight );
+        }
+    }
+  static_cast<CMmListBoxItemDrawer*>( iGrid->ItemDrawer() )->TrimCacheSize(
+            GetMmModel()->NumberOfItems() );
+  }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TInt CMmGridContainer::ColumnsInCurrentView()
+  {
+  CAknGridView* view ( (CAknGridView*) iGrid->View() );
+  return view->NumberOfColsInView();
+  }
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+TInt CMmGridContainer::RowsInCurrentView()
+    {
+    CAknGridView* view ( (CAknGridView*) iGrid->View() );
+    return view->NumberOfRowsInView();
+    }
+
+// ---------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CMmGridContainer::DrawView()
+    {
+    iGrid->DrawView();
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMmGridContainer::SetVerticalItemOffset( TInt aOffset )
+  {
+  iGrid->SetVerticalItemOffset( aOffset );
+  }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TInt CMmGridContainer::VerticalItemOffset() const
+  {
+  return iGrid->VerticalItemOffset();
+  }
+
+//----------------------------------------------------------------------------
+//
+// ---------------------------------------------------------------------------
+//
+void CMmGridContainer::UpdateViewScrollBarThumbs()
+  {
+  iGrid->UpdateScrollBarThumbs();
+  }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CMmGridContainer::ItemIsVisible( TInt aItemIndex ) const
+    {
+    CListBoxView* v = iGrid->View();
+    TRect itemRect( v->ItemPos( aItemIndex ), v->ItemSize( aItemIndex ) );
+    TRect viewRect = v->ViewRect();
+    TBool isVisible = EFalse;
+    if ( itemRect.Intersects( viewRect ) )
+        {
+        TRect intersection = itemRect;
+        intersection.Intersection( viewRect );
+        isVisible = intersection.Height() > 1 && intersection.Width() > 1;
+        }
+    return isVisible;
+    }
+
+// End of File
+