photosgallery/viewframework/visuallistmanager/src/glxvisuallistwindow.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 22:51:01 +0200
branchRCL_3
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parent 0 4e91876724a2
child 18 bcb43dc84c44
permissions -rw-r--r--
Revision: 201003 Kit: 201007
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/*
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* Copyright (c) 2008-2009 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:    Visual list manager
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*
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*/
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/**
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 * @internal reviewed 04/07/2007 by M Byrne
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 */
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#include "glxvisuallistwindow.h" 
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#include <coemain.h>
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#include <alf/alfimagevisual.h>
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#include <alf/alfanchorlayout.h>
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#include <alf/alfenv.h> 
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#include <alf/alfbrush.h>
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#include <alf/alfcontrolgroup.h>
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#include <alf/alfborderbrush.h>
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#include <alf/alfdecklayout.h>
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#include <glxlog.h>
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#include <glxtracer.h>
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#include <mpxmediageneraldefs.h>
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#include <AknUtils.h>
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#include "mglxmedialistobserver.h"
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#include "glxuiutility.h"
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#include "glxitemvisual.h"
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#include <glxtexturemanager.h>
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#include "glxvisuallistcontrol.h"
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#include <mglxanimation.h>
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#include <mglxmedialist.h>
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#include <glxthumbnailutility.h>
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#include <glxuistd.h>
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#include "glxlistwindow.h"
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#include "glxitemvisual.h"
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// -----------------------------------------------------------------------------
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// Constructor
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// -----------------------------------------------------------------------------
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CGlxVisualListWindow* CGlxVisualListWindow::NewL( CGlxVisualListControl* aControl,
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    MGlxMediaList* aMediaList, CGlxUiUtility* aUiUtility,
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        CAlfImageVisual::TScaleMode aThumbnailScaleMode )
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    {
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    TRACER("CGlxVisualListWindow::NewL");
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    GLX_LOG_INFO("CGlxVisualListWindow::NewL");
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    CGlxVisualListWindow* self = new (ELeave) CGlxVisualListWindow();
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    CleanupStack::PushL( self );
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    self->iControl = aControl;    
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    self->iMediaList = aMediaList;
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    self->iUiUtility = aUiUtility;
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    self->iScaleMode = aThumbnailScaleMode;
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    self->ConstructL(); // Construct base class
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    CleanupStack::Pop( self );
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    return self;
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    }
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 CGlxVisualListWindow::CGlxVisualListWindow(): 
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 	CGlxListWindow( static_cast< MGlxWindowObjectFactory& > ( *this ) )
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	 {
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	 }
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CBase* CGlxVisualListWindow::CreateObjectL() const
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	{
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	TRACER("CGlxVisualListWindow::CreateObjectL");
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    GLX_LOG_INFO("CGlxVisualListWindow::CreateObjectL");
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	CGlxVisualObject* object = CGlxVisualObject::NewLC( *(const_cast<CGlxVisualListWindow*>(this)) ,*iMediaList  );
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	CleanupStack::Pop( object );
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	return object;
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	}
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 void CGlxVisualListWindow::SetupObject(TInt aIndex, CBase& aObject ) 
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	 {
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	 TRACER("CGlxVisualListWindow::SetupObject");
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	 GLX_LOG_INFO("CGlxVisualListWindow::SetupObject");
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	 TRAP_IGNORE(SetupObjectL( aIndex, aObject ));
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	 }
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// -----------------------------------------------------------------------------
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// SetupObjectL
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// -----------------------------------------------------------------------------
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void CGlxVisualListWindow::SetupObjectL( TInt aIndex, CBase& aObject )
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    {
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    TRACER("CGlxVisualListWindow::SetupObjectL 2");
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    GLX_LOG_INFO("CGlxVisualListWindow::SetupObjectL 2");
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    CGlxVisualObject& object = static_cast< CGlxVisualObject& >( aObject );
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	// set the index
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	object.SetIndex( aIndex );
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    // No easy way to get rid of this trap. Would be possible to do
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    // multiple objects within the same trap by modifying the CGlxListWindowBase
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    // but would be surprising if this TRAP is a actually a performance problem
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   112
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    // create texture from thumbnail 
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    //TSize visSize = object.Visual()->Size().ValueNow().AsSize();
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	TSize visSize =iUiUtility->DisplaySize();
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    CAlfTexture* texture = NULL; 
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    // media will be null if aMedia's Properties are not available
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    // so furtur operation need to be cancle
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    if ( !iMediaList->Item( aIndex ).Properties() )
0
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        {
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        texture = &iUiUtility->Env()->TextureManager().BlankTexture(); 
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        } 
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    else
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        {
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        TRAPD(err, texture = &iUiUtility->GlxTextureManager().CreateThumbnailTextureL(
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                iMediaList->Item( aIndex ),iMediaList->IdSpaceId( aIndex ), visSize, &object ));
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        if(err != KErrNone)
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            {        
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            texture = &iUiUtility->Env()->TextureManager().BlankTexture();        
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            }
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        }   
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    // add the texture and its id for the visual object
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	object.SetImage(TAlfImage( *texture  ));
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	TSize imageSize ;
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	iMediaList->Item( aIndex ).GetDimensions(imageSize);	
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    // Set scale mode to EScaleFitInside if the Image is bigger then screen
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    // or to scale the grid size thumbnails if full thumbnail is not available while fast swipe
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	if ( imageSize.iWidth >= visSize.iWidth || imageSize.iHeight >= visSize.iHeight 
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			||(texture->Size().iHeight < imageSize.iHeight  && texture->Size().iWidth < imageSize.iWidth ))
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		{
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		object.SetScaleMode(CAlfImageVisual::EScaleFitInside);		
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		}		
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    // show the object. do this before notifying control, to show
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    // at the image if control leaves
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    object.SetVisible( ETrue );
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    // notify observer
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    iControl->HandleVisualAddedL( object.Visual(), aIndex );
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    }
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 void CGlxVisualListWindow::CleanupObject(TInt aListIndex, CBase& aObject) 
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	{
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	TRACER("CGlxVisualListWindow::CleanupObject");
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    GLX_LOG_INFO("CGlxVisualListWindow::CleanupObject");
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	CGlxVisualObject& object = static_cast< CGlxVisualObject& >( aObject );
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    object.Reset();
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	iControl->HandleVisualRemoved( object.Visual() );	
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	}
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// -----------------------------------------------------------------------------
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// GetObjectL
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// -----------------------------------------------------------------------------
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CGlxVisualObject* CGlxVisualListWindow::GetObjectL( TInt aListIndex )
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	{
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	TRACER("CGlxVisualListWindow::GetObjectL");
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    GLX_LOG_INFO1("CGlxVisualListWindow::GetObjectL %d", aListIndex);
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	// create the object
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    CGlxVisualObject* listObj = 
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        CGlxVisualObject::NewLC( *this, *iMediaList );
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    CleanupStack::Pop( listObj );
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	return listObj;
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	}
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// -----------------------------------------------------------------------------
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// CleanupObject
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// -----------------------------------------------------------------------------
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void CGlxVisualListWindow::CleanupObject( TInt aWindowIndex )
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	{
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	TRACER("CGlxVisualListWindow::CleanupObject 2");
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    GLX_LOG_INFO1("CGlxVisualListWindow::CleanupObject 2 %d",aWindowIndex);
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	CGlxVisualObject* item = ObjectByIndex( aWindowIndex);
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	CAlfVisual* visual = item->Visual();
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	iControl->HandleVisualRemoved( visual );
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	}
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// -----------------------------------------------------------------------------
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// PostObjectsAdded
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// -----------------------------------------------------------------------------	
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void CGlxVisualListWindow::PostObjectsAdded( RArray<TInt>& aAddedAtListIndexes )	
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    {
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    /*
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   TInt count = aAddedAtListIndexes.Count();
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    // step through array and notify our observers
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    // cant leave so need to just ignore the error
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    TRAP_IGNORE( 
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        {
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        for(TInt i = 0; i < count; i++ )
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            {
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            TInt listIdx = aAddedAtListIndexes[i];
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            //TInt idx =  ListIndexToWindowIndex( listIdx );
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            //CGlxVisualObject* item = ObjectByIndex( idx);
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    	    //iControl->HandleVisualAddedL( item->Visual(), listIdx );
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            }
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        }); 
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       */
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    }
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// -----------------------------------------------------------------------------
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// SetFocusIndexL
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// -----------------------------------------------------------------------------
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void CGlxVisualListWindow::SetFocusIndexL( TInt aFocusIndex )
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	{
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	TRACER("CGlxVisualListWindow::SetFocusIndexL");
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    GLX_LOG_INFO1("CGlxVisualListWindow::SetFocusIndexL %d",aFocusIndex);
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	CGlxListWindow::SetFocusIndex( aFocusIndex );
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	UpdatePositions();
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	}
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// -----------------------------------------------------------------------------
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// UpdatePositions
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// -----------------------------------------------------------------------------
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void CGlxVisualListWindow::UpdatePositions()
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	{
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	TRACER("CGlxVisualListWindow::UpdatePositions");
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    GLX_LOG_INFO("CGlxVisualListWindow::UpdatePositions");
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	// Set positions of items in the window to current list index.
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    TGlxWindowIterator iterator = Iterator();
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    TInt index = 0;
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    while ( KErrNotFound != ( index = iterator++ ) )
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        {
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		CGlxVisualObject* visualObj = ObjectByIndex( index );
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		// set index for the visual
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		visualObj->SetIndex( index );
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		// get screen size
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		TSize screenSize = iUiUtility->DisplaySize();
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		// update the layout data
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		visualObj->RefreshLayout(screenSize);                        
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        }
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	}
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// -----------------------------------------------------------------------------
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// Layout
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// -----------------------------------------------------------------------------
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CAlfLayout* CGlxVisualListWindow::Layout()
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	{
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	TRACER("CGlxVisualListWindow::Layout");
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    GLX_LOG_INFO("CGlxVisualListWindow::Layout");
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	return static_cast<CAlfLayout*>(iControl->iParentLayout);
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	}
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// -----------------------------------------------------------------------------
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// VisualOwner
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// -----------------------------------------------------------------------------
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CAlfControl& CGlxVisualListWindow::VisualOwner()
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	{
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	TRACER("CGlxVisualListWindow::VisualOwner");
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    GLX_LOG_INFO("CGlxVisualListWindow::VisualOwner");
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	return *iControl;
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	}
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// -----------------------------------------------------------------------------
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// BorderBrush
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// -----------------------------------------------------------------------------
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CAlfBrush* CGlxVisualListWindow::BorderBrush()
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	{
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	TRACER("CGlxVisualListWindow::BorderBrush");
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    GLX_LOG_INFO("CGlxVisualListWindow::BorderBrush");
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	return iControl->iBorderBrush;
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	}
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// -----------------------------------------------------------------------------
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// ThumbnailScaleMode
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// -----------------------------------------------------------------------------
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CAlfImageVisual::TScaleMode CGlxVisualListWindow::ThumbnailScaleMode()
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    {
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    TRACER("CGlxVisualListWindow::ThumbnailScaleMode");
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    GLX_LOG_INFO("CGlxVisualListWindow::ThumbnailScaleMode");
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    return iScaleMode;
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    }
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// -----------------------------------------------------------------------------
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// Return visual object by index
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// -----------------------------------------------------------------------------
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CGlxVisualObject* CGlxVisualListWindow::ObjectByIndex( TInt aIndex ) 
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    {
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    TRACER("CGlxVisualListWindow::ObjectByIndex");
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    GLX_LOG_INFO("CGlxVisualListWindow::ObjectByIndex");
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    return static_cast< CGlxVisualObject* >( At( aIndex ) );
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    }
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