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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* Version : %version: MM_55 % << Don't touch! Updated by Synergy at check-out.
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*
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*/
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#include "mmlistboxview.h"
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#include "mmlistbox.h"
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#include "mmlistboxitemdrawer.h"
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#include "mmlistboxmodel.h"
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#include "hnsuitemodel.h"
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#include "hnitemsorder.h"
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#include <eikfrlb.h>
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#include <AknUtils.h>
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#include <eikfrlbd.h>
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#include <eikspmod.h>
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#include <aknlayoutscalable_avkon.cdl.h>
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#include <AknsDrawUtils.h>
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#ifdef RD_UI_TRANSITION_EFFECTS_LIST
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#include <aknlistboxtfx.h>
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#include <aknlistboxtfxinternal.h>
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#include <akntransitionutils.h>
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#include <aknlistloadertfx.h>
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#endif
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CMmListBoxView::CMmListBoxView ()
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{
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// No implementation required
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBoxView::~CMmListBoxView ()
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{
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBoxView* CMmListBoxView::NewLC ()
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{
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CMmListBoxView* self = new (ELeave)CMmListBoxView();
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CleanupStack::PushL (self);
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self->ConstructL ();
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return self;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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CMmListBoxView* CMmListBoxView::NewL ()
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{
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CMmListBoxView* self=CMmListBoxView::NewLC ();
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CleanupStack::Pop( self );
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return self;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::ConstructL ()
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{
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iPreviouslyDrawnCurrentItemIndex = KErrNotFound;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::UpdateAverageItemHeight ()
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{
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TInt count( iModel->NumberOfItems() );
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if ( !count )
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{
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SetItemHeight( 2 );
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}
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else
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{
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TInt totalHeight = GetTotalHeight( 0, count - 1 );
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TInt averageItemHeight = totalHeight / count;
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if ( totalHeight % count )
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{
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++averageItemHeight;
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// this ensures that it is always possible to
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// scroll to the very bottom of the view by
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// using scrollbar.
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}
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SetItemHeight( averageItemHeight );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMmListBoxView::GetTotalHeight (const TInt aStartIndex, TInt aEndIndex) const
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{
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TInt totalHeight = 0;
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if ( aEndIndex >= 0)
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{
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TInt itemCount = iModel->NumberOfItems ();
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aEndIndex = (aEndIndex >= itemCount ) ? itemCount-1 : aEndIndex;
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CMmListBoxItemDrawer* drawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer);
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for (TInt i(aStartIndex); i <= aEndIndex; i++)
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{
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totalHeight += drawer->GetItemHeight (i, CurrentItemIndex () == i);
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}
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}
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return totalHeight;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMmListBoxView::GetLastIndexInHeight (const TInt aStartIndex, TInt aHeight) const
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{
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TInt i = aStartIndex;
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TInt totalHeight = 0;
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TInt itemCount(iModel->NumberOfItems () );
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CMmListBoxItemDrawer* drawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer);
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for (; (i > -1) && (i < itemCount); i++)
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{
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totalHeight += drawer->GetItemHeight (i, CurrentItemIndex () == i);
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if ( totalHeight > aHeight)
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break;
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}
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TInt ret(i - aStartIndex);
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if ( !AknLayoutUtils::PenEnabled() && totalHeight > aHeight )
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{
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ret--; // exclude partial item
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}
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return ret;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMmListBoxView::ModelItemsCount()
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{
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return iModel->NumberOfItems();
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::CalcBottomItemIndex ()
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{
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TInt numberOfVisibleItems = NumberOfItemsThatFitInRect( iViewRect );
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iBottomItemIndex = Min( iTopItemIndex + numberOfVisibleItems - 1,
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iModel->NumberOfItems() );
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// The next piece of code removes filtering from find box when
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// new list items are added.
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if ( Flags () & CListBoxView::EItemCountModified)
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{
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CAknFilteredTextListBoxModel *model= STATIC_CAST(CAknFilteredTextListBoxModel*,iModel);
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CAknListBoxFilterItems *filter = model ? model->Filter () : 0;
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if ( filter)
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{
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TRAP_IGNORE(filter->ResetFilteringL());
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}
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::Draw (const TRect* aClipRect) const
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{
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TBool drawingInitiated(EFalse);
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if ( CAknEnv::Static()->TransparencyEnabled() &&
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iWin && iWin->GetDrawRect() == TRect::EUninitialized )
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{
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TRect a(ViewRect());
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if (!aClipRect || *aClipRect == TRect(0,0,0,0) )
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{
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aClipRect = &a;
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}
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drawingInitiated=ETrue;
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iWin->Invalidate( *aClipRect );
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iWin->BeginRedraw( *aClipRect );
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}
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DoDraw(aClipRect);
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CMmListBoxItemDrawer* itemDrawer =
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static_cast<CMmListBoxItemDrawer*>(iItemDrawer );
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if( aClipRect )
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{
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TRect rect(*aClipRect);
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rect.iTl.iY = ItemPos( BottomItemIndex() ).iY;
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// iGc->SetClippingRect( rect );
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// removed to prevent non-redraw drawing. Was present to prevent out of view drawing when effects are on.
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// could be removed because effects were disabled at some point in edit mode to enhance performance.
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itemDrawer->DrawFloatingItems( rect );
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// iGc->CancelClippingRect();
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}
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if ( CAknEnv::Static()->TransparencyEnabled() &&
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iWin && drawingInitiated )
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{
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drawingInitiated = EFalse;
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iWin->EndRedraw( );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::DoDraw(const TRect* aClipRect) const
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{
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CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this );
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view->UpdateAverageItemHeight ();
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CMmListBoxModel* model = static_cast< CMmListBoxModel* > ( iModel );
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if ( model && model->GetSuiteModel()
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&& !model->GetSuiteModel()->GetItemsOrder()->IsSuiteReadyToShow() )
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{
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return;
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}
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if ( RedrawDisabled () || !IsVisible () )
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{
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return;
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}
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TInt i = iTopItemIndex;
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CMmListBoxItemDrawer* itemDrawer =
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static_cast<CMmListBoxItemDrawer*>(iItemDrawer );
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MAknsSkinInstance *skin = AknsUtils::SkinInstance ();
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CCoeControl* control = itemDrawer->FormattedCellData()->Control ();
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MAknsControlContext *cc = AknsDrawUtils::ControlContext (control);
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if ( !cc)
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{
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cc = itemDrawer->FormattedCellData()->SkinBackgroundContext ();
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}
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itemDrawer->SetTopItemIndex (iTopItemIndex);
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if ( iModel->NumberOfItems () > 0)
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{
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TBool drawingInitiated = ETrue;
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if ( CAknEnv::Static()->TransparencyEnabled () )
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{
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if ( iWin && iWin->GetDrawRect () == TRect::EUninitialized)
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{
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#ifdef RD_UI_TRANSITION_EFFECTS_LIST
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MAknListBoxTfxInternal* transApi =
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CAknListLoader::TfxApiInternal( iGc );
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drawingInitiated = transApi && !transApi->EffectsDisabled();
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#else
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drawingInitiated = EFalse;
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#endif
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}
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if ( !drawingInitiated)
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{
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iWin->Invalidate ( *aClipRect);
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iWin->BeginRedraw ( *aClipRect);
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}
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}
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TInt lastPotentialItemIndex = Min( iModel->NumberOfItems(),
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iTopItemIndex + NumberOfItemsThatFitInRect( ViewRect() ) );
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if ( !itemDrawer->IsEditMode() )
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{
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itemDrawer->DrawBackground( ViewRect() );
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itemDrawer->SetRedrawItemBackground( EFalse );
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itemDrawer->SetDrawSeparatorLines( ETrue );
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while (i < lastPotentialItemIndex)
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{
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DrawItem(i++);
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}
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itemDrawer->SetRedrawItemBackground( ETrue );
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itemDrawer->SetDrawSeparatorLines( EFalse );
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}
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else
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{
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while (i < lastPotentialItemIndex)
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{
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DrawItem(i++);
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}
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// this redraws background in the view portion not covered by items
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RedrawBackground();
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}
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if ( CAknEnv::Static()->TransparencyEnabled () && !drawingInitiated)
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{
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iWin->EndRedraw ();
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}
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::DrawItem (TInt aItemIndex) const
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{
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CMmListBoxItemDrawer* itemDrawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer );
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TBool currentChanged( CurrentItemIndex() != iPreviouslyDrawnCurrentItemIndex );
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TBool redrawConsumed(EFalse);
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if ( currentChanged )
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{
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CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this );
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redrawConsumed =
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static_cast<CMmListBox*> (itemDrawer->Widget())->RedrawIfNecessary(
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iPreviouslyDrawnCurrentItemIndex,
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CurrentItemIndex());
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view->SetPreviouslyDrawnCurrentItemIndex( CurrentItemIndex() );
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}
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if ( !redrawConsumed )
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{
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itemDrawer->SetDrawSeparatorLines( ETrue );
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DrawSingleItem ( aItemIndex );
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itemDrawer->SetDrawSeparatorLines( EFalse );
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}
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TPoint CMmListBoxView::ItemPos (TInt aItemIndex) const
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{
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TInt vRealPos = CFormattedCellListBoxView::ItemPos(TopItemIndex()).iY;
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TInt totalHeight = 0;
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if ( aItemIndex > iTopItemIndex )
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{
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totalHeight = GetTotalHeight( iTopItemIndex, aItemIndex - 1 );
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}
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else if ( aItemIndex < iTopItemIndex )
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{
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totalHeight = -GetTotalHeight( aItemIndex, iTopItemIndex - 1 );
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}
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return TPoint (-iHScrollOffset + iViewRect.iTl.iX, iViewRect.iTl.iY
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+ totalHeight + vRealPos);
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TBool CMmListBoxView::XYPosToItemIndex (TPoint aPosition, TInt& aItemIndex) const
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{
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// returns ETrue and sets aItemIndex to the index of the item whose bounding box contains aPosition
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// returns EFalse if no such item exists
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TBool itemFound = EFalse;
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if ( iViewRect.Contains (aPosition))
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{
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TInt vRealPos = CFormattedCellListBoxView::ItemPos(TopItemIndex()).iY;
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// aPosition is inside the display area
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TInt numberOfVisibleItems = GetLastIndexInHeight (iTopItemIndex,
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aPosition.iY - iViewRect.iTl.iY - vRealPos );
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TInt itemAtSpecifiedPos = iTopItemIndex + numberOfVisibleItems;
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aItemIndex = itemAtSpecifiedPos;
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itemFound = ( GetTotalHeight( iTopItemIndex, iBottomItemIndex )
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>= aPosition.iY ) && ( iModel->NumberOfItems() > itemAtSpecifiedPos );
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// if ( itemFound )
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// {
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// // aPosition is inside the display area
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// TInt numberOfVisibleItems = GetLastIndexInHeight (iTopItemIndex,
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// aPosition.iY - iViewRect.iTl.iY);
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// TInt itemAtSpecifiedPos = iTopItemIndex + numberOfVisibleItems;
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// aItemIndex = itemAtSpecifiedPos;
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// }
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}
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return itemFound;
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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void CMmListBoxView::SetItemHeight (TInt aItemHeight)
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{
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// we need to update the iItemHeight member in widget also (there are two different item height value holders - in widget and here in widget view)
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iItemHeight = aItemHeight;
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CMmListBoxItemDrawer* itemDrawer =
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STATIC_CAST( CMmListBoxItemDrawer*, ItemDrawer() );
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static_cast<CMmListBox*>(itemDrawer->Widget())->SetItemHeight( aItemHeight );
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}
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// -----------------------------------------------------------------------------
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//
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// -----------------------------------------------------------------------------
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//
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TInt CMmListBoxView::CalcNewTopItemIndexSoItemIsVisible (TInt aItemIndex) const
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{
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CMmListBoxItemDrawer* itemDrawer =
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static_cast<CMmListBoxItemDrawer*>( iItemDrawer );
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TInt newTopItemIndex = iTopItemIndex;
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TInt itemHeight = itemDrawer->
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GetItemHeight( aItemIndex, aItemIndex == CurrentItemIndex() );
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|
439 |
|
|
440 |
// ItemIsPartiallyVisible uses fixed iItemHeight, but we have to support
|
|
441 |
// variable item height in lists, unfortunately ItemIsPartiallyVisible
|
|
442 |
// is not virtual
|
|
443 |
TPoint itemPosition( ItemPos( aItemIndex ) );
|
|
444 |
TBool itemPartiallyVisible =
|
|
445 |
( itemPosition.iY < iViewRect.iTl.iY &&
|
|
446 |
itemPosition.iY + itemHeight >= iViewRect.iTl.iY ) ||
|
|
447 |
( itemPosition.iY <= iViewRect.iBr.iY &&
|
|
448 |
itemPosition.iY + itemHeight > iViewRect.iBr.iY );
|
|
449 |
|
|
450 |
TBool itemIsFullyVisible = ItemIsVisible( aItemIndex ) &&
|
|
451 |
!itemPartiallyVisible;
|
|
452 |
|
|
453 |
TBool itemIsAboveVisibleArea = !itemIsFullyVisible &&
|
|
454 |
ItemPos( aItemIndex ).iY < ViewRect().iTl.iY;
|
|
455 |
|
|
456 |
TBool itemIsBeneathVisibleArea = !itemIsFullyVisible &&
|
|
457 |
!itemIsAboveVisibleArea && ItemPos( aItemIndex ).iY + itemDrawer->
|
|
458 |
GetItemHeight( aItemIndex, aItemIndex == CurrentItemIndex() ) >
|
|
459 |
ViewRect().iBr.iY;
|
|
460 |
|
|
461 |
if ( itemIsAboveVisibleArea )
|
|
462 |
{
|
|
463 |
newTopItemIndex = aItemIndex;
|
|
464 |
const_cast<CMmListBoxView*>( this )->SetItemOffsetInPixels( 0 );
|
|
465 |
}
|
|
466 |
|
|
467 |
if ( itemIsBeneathVisibleArea )
|
|
468 |
{
|
|
469 |
const TInt viewHeight = ViewRect().Height();
|
|
470 |
newTopItemIndex = aItemIndex;
|
|
471 |
for ( ;; )
|
|
472 |
{
|
|
473 |
TInt totalHeight = GetTotalHeight( newTopItemIndex, aItemIndex );
|
|
474 |
if ( totalHeight >= viewHeight || newTopItemIndex == 0 )
|
|
475 |
{
|
|
476 |
const_cast<CMmListBoxView*>( this )->SetItemOffsetInPixels(
|
|
477 |
viewHeight - totalHeight );
|
|
478 |
break;
|
|
479 |
}
|
|
480 |
--newTopItemIndex;
|
|
481 |
}
|
|
482 |
}
|
|
483 |
|
|
484 |
return newTopItemIndex;
|
|
485 |
}
|
|
486 |
|
|
487 |
// -----------------------------------------------------------------------------
|
|
488 |
//
|
|
489 |
// -----------------------------------------------------------------------------
|
|
490 |
//
|
|
491 |
void CMmListBoxView::RedrawBackground (TRect aUsedPortionOfViewRect,
|
|
492 |
TRect aSmallerViewRect) const
|
|
493 |
{
|
|
494 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
495 |
MAknListBoxTfxInternal* transApi = CAknListLoader::TfxApiInternal(iGc);
|
|
496 |
if (transApi)
|
|
497 |
{
|
|
498 |
transApi->StartDrawing(MAknListBoxTfxInternal::EListView);
|
|
499 |
}
|
|
500 |
#endif
|
|
501 |
|
|
502 |
CMmListBoxItemDrawer* itemDrawer = STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer );
|
|
503 |
MAknsSkinInstance *skin = AknsUtils::SkinInstance();
|
|
504 |
CCoeControl* control = itemDrawer->FormattedCellData()->Control();
|
|
505 |
MAknsControlContext *cc = AknsDrawUtils::ControlContext(control);
|
|
506 |
|
|
507 |
if (control)
|
|
508 |
{
|
|
509 |
AknsDrawUtils::BackgroundBetweenRects( skin, cc, control, *iGc,
|
|
510 |
aSmallerViewRect, aUsedPortionOfViewRect);
|
|
511 |
}
|
|
512 |
else
|
|
513 |
{
|
|
514 |
iGc->SetBrushColor(BackColor());
|
|
515 |
DrawUtils::ClearBetweenRects(*iGc, aSmallerViewRect,
|
|
516 |
aUsedPortionOfViewRect);
|
|
517 |
}
|
|
518 |
|
|
519 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
520 |
if( transApi )
|
|
521 |
{
|
|
522 |
transApi->StopDrawing();
|
|
523 |
}
|
|
524 |
#endif
|
|
525 |
}
|
|
526 |
|
|
527 |
// -----------------------------------------------------------------------------
|
|
528 |
//
|
|
529 |
// -----------------------------------------------------------------------------
|
|
530 |
//
|
|
531 |
void CMmListBoxView::RedrawBackground () const
|
|
532 |
{
|
|
533 |
#ifdef RD_UI_TRANSITION_EFFECTS_LIST
|
|
534 |
CMmListBoxItemDrawer* drawer =
|
|
535 |
static_cast<CMmListBoxItemDrawer*>( iItemDrawer );
|
|
536 |
CMmTemplateLibrary* templateLib = drawer->TemplateLibrary();
|
|
537 |
|
|
538 |
TInt usedPortionHeight = GetTotalHeight(iTopItemIndex, iBottomItemIndex );
|
|
539 |
TInt usedPortionWidth = iViewRect.Width();
|
|
540 |
if (templateLib->GetScrollbarVisibility())
|
|
541 |
{
|
|
542 |
usedPortionWidth -= templateLib->ScrollbarWidth();
|
|
543 |
}
|
|
544 |
|
|
545 |
TRect usedPortionOfViewRect(iViewRect.iTl, TSize(usedPortionWidth,
|
|
546 |
usedPortionHeight));
|
|
547 |
usedPortionOfViewRect.Move(0,
|
|
548 |
CFormattedCellListBoxView::ItemPos(iTopItemIndex).iY);
|
|
549 |
|
|
550 |
RedrawBackground(usedPortionOfViewRect, iViewRect);
|
|
551 |
#endif
|
|
552 |
}
|
|
553 |
|
|
554 |
// -----------------------------------------------------------------------------
|
|
555 |
//
|
|
556 |
// -----------------------------------------------------------------------------
|
|
557 |
//
|
|
558 |
void CMmListBoxView::SetPreviouslyDrawnCurrentItemIndex( TBool aIndex )
|
|
559 |
{
|
|
560 |
iPreviouslyDrawnCurrentItemIndex = aIndex;
|
|
561 |
}
|
|
562 |
|
|
563 |
// -----------------------------------------------------------------------------
|
|
564 |
//
|
|
565 |
// -----------------------------------------------------------------------------
|
|
566 |
//
|
|
567 |
void CMmListBoxView::DrawSingleItem (TInt aItemIndex) const
|
|
568 |
{
|
|
569 |
CMmListBoxItemDrawer* itemDrawer =
|
|
570 |
STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer );
|
|
571 |
TBool highlightVisible = !( itemDrawer->Flags()
|
|
572 |
& CListItemDrawer::ESingleClickDisabledHighlight );
|
|
573 |
TSize size = itemDrawer->GetItemSize( aItemIndex, highlightVisible &&
|
|
574 |
CurrentItemIndex() == aItemIndex );
|
|
575 |
itemDrawer->SetItemCellSize( size );
|
|
576 |
|
|
577 |
// CMmListBoxView* view= CONST_CAST( CMmListBoxView*, this );
|
|
578 |
// view->SetItemHeight( size.iHeight );
|
|
579 |
// The above line (currently commented-out) was originaly needed to correct
|
|
580 |
// some drawing-related error which used to occur when moving highlight with
|
|
581 |
// rocker keys. It seems that this is no longer needed. If anything should
|
|
582 |
// change, please note that now the SetItemHeight method does much more than
|
|
583 |
// it used to, so simply uncommenting this line would be a bad idea (consider
|
|
584 |
// setting the iItemHeight member variable directly).
|
|
585 |
|
|
586 |
CFormattedCellListBoxView::DrawItem (aItemIndex);
|
|
587 |
|
|
588 |
//To eliminate the effect of undrawn fragment of background, when the last
|
|
589 |
//is drawn, background is refreshed
|
|
590 |
if ( aItemIndex == ( iModel->NumberOfItems()-1 ) && ItemIsVisible( iModel->NumberOfItems()-1 ) )
|
|
591 |
{
|
|
592 |
CMmListBoxItemDrawer* itemDrawer= STATIC_CAST( CMmListBoxItemDrawer*, iItemDrawer );
|
|
593 |
if ( !itemDrawer->IsEditMode() )
|
|
594 |
{
|
|
595 |
RedrawBackground();
|
|
596 |
}
|
|
597 |
}
|
|
598 |
}
|
|
599 |
|
|
600 |
// -----------------------------------------------------------------------------
|
|
601 |
//
|
|
602 |
// -----------------------------------------------------------------------------
|
|
603 |
//
|
|
604 |
TInt CMmListBoxView::VerticalItemOffset() const
|
|
605 |
{
|
|
606 |
return iVerticalOffset;
|
|
607 |
}
|
|
608 |
|
|
609 |
// -----------------------------------------------------------------------------
|
|
610 |
//
|
|
611 |
// -----------------------------------------------------------------------------
|
|
612 |
//
|
|
613 |
TBool CMmListBoxView::ScrollToMakeItemVisible(TInt aItemIndex)
|
|
614 |
{
|
|
615 |
TBool scrollConsumed(EFalse);
|
|
616 |
if ( !iScrollToItemDisabled )
|
|
617 |
{
|
|
618 |
scrollConsumed = CFormattedCellListBoxView::ScrollToMakeItemVisible(
|
|
619 |
aItemIndex);
|
|
620 |
}
|
|
621 |
return scrollConsumed;
|
|
622 |
}
|
|
623 |
|
|
624 |
// -----------------------------------------------------------------------------
|
|
625 |
//
|
|
626 |
// -----------------------------------------------------------------------------
|
|
627 |
//
|
|
628 |
void CMmListBoxView::DisableScrollToItem( TBool aDisable )
|
|
629 |
{
|
|
630 |
iScrollToItemDisabled = aDisable;
|
|
631 |
}
|
|
632 |
|
|
633 |
// End of file
|