mulwidgets/mulcoverflowwidget/src/mulcoverflowtemplate.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 21 Jun 2010 16:15:51 +0300
branchRCL_3
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Revision: 201023 Kit: 2010125
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/*
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* Copyright (c) 2007-2008 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:  CoverFlow templates Implementation
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 *
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*/
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//  Include Files
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#include <AknUtils.h>
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// Alf Headers
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#include <alf/alfenv.h>
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#include <alf/alfbrusharray.h>
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#include <alf/alfgradientbrush.h>
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#include <alf/alftextvisual.h>
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// Class Header
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#include "mulcoverflowtemplate.h"
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// Local Headers
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#include "mulcoverflowcontrol.h"
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#include "mulbaseelement.h"
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#include "mulleave.h"
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#include "mullog.h" //for logs
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namespace Alf
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    {
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// ---------------------------------------------------------------------------
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// MulCoverFlowTemplate
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// ---------------------------------------------------------------------------
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//
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MulCoverFlowTemplate::MulCoverFlowTemplate(MulCoverFlowControl &aControl, 
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        MulBaseElement &aBaseElement)
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    {
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    MUL_LOG_ENTRY_EXIT("Mul::MulCoverFlowTemplate::MulCoverFlowTemplate");
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    mData.reset( new (EMM)TMulCoverFlowTemplateImpl);
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    mData->mControl = &aControl;
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    mData->mBaseElement = &aBaseElement;   
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    }
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 void MulCoverFlowTemplate::CreateVisualisation(bool /*aIsLandscape*/,bool /*aIsOrientationChange*/)
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	{
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	}
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// ---------------------------------------------------------------------------
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// ~MulCoverFlowWidget
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// ---------------------------------------------------------------------------
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//
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MulCoverFlowTemplate::~MulCoverFlowTemplate()
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    {
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    }
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// ---------------------------------------------------------------------------
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// ApplyBrush
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// ---------------------------------------------------------------------------
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//
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void MulCoverFlowTemplate::ApplyBrush( CAlfTextVisual& aVisual,
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     const TRgb& aBrushColour, float aBrushOpacity )
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    {
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    MUL_LOG_ENTRY_EXIT("Mul::MulCoverFlowTemplate::ApplyBrush");
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    // Enable brush on the text visual
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    aVisual.EnableBrushesL( ETrue );
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    CAlfBrushArray* brushArray = aVisual.Brushes();
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    if(brushArray)
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			{
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			if( brushArray->Count()!=0)
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				{
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				//brushArray->Reset();
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				CAlfGradientBrush& brush = static_cast<CAlfGradientBrush&>(
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						brushArray->At(0)); 
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				brush.SetColor( aBrushColour ); 
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				brush.SetOpacity(aBrushOpacity);
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				}
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			else
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			{
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			THROW_IF_LEAVES
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					(
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					CAlfGradientBrush* brush = CAlfGradientBrush::NewL(
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					    mData->mControl->Env()  );
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					// Set the brush colour
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					brush->SetColor( aBrushColour );
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					// Apply brush and set the opacity .
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					aVisual.Brushes()->AppendL( brush, EAlfHasOwnership );    
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					brush->SetOpacity(aBrushOpacity);   
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					);
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				}    
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			} 
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    }       
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// ---------------------------------------------------------------------------
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// GetFontId
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// ---------------------------------------------------------------------------
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// 
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TInt MulCoverFlowTemplate::GetFontId(const UString &aFontStyle,CAlfTextStyleManager& manager)const
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    {
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    MUL_LOG_ENTRY_EXIT("Mul::MulCoverFlowTemplate::GetFontId");
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    TInt fontId = 0;
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    if ( aFontStyle == "qfn_secondary" )
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        {
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        THROW_IF_LEAVES            
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        (
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        fontId = manager.CreatePlatformTextStyleL(EAknLogicalFontSecondaryFont, -1);                    
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        );
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        }
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    else // by default it assumes the primary font.
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        {               
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        THROW_IF_LEAVES            
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        (
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        fontId = manager.CreatePlatformTextStyleL(EAknLogicalFontPrimaryFont, -1);                    
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        );
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        } 
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    return fontId;      
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    }
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// ---------------------------------------------------------------------------
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// IconWindowRect
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// ---------------------------------------------------------------------------
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//
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TRect MulCoverFlowTemplate::IconWindowRect(
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        const TAknWindowLineLayout &aLayout,
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        const TRect& aParentRect)
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    {
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    TAknLayoutRect layoutRect ;
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    layoutRect.LayoutRect( aParentRect, aLayout );
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    TRect rect(layoutRect.Rect());
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    return rect;
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    }
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// ---------------------------------------------------------------------------
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// TextWindowRect
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// ---------------------------------------------------------------------------
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//
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TRect MulCoverFlowTemplate::TextWindowRect(
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        const TAknTextLineLayout& aLayout,
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        const TRect& aParentRect)
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    {
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    TAknLayoutText layoutText;
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    layoutText.LayoutText( aParentRect, aLayout );
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    TRect rect(layoutText.TextRect());
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    return rect;
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    }
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// ---------------------------------------------------------------------------
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//  UpdateMaxFontWidth
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// ---------------------------------------------------------------------------
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//
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int MulCoverFlowTemplate ::UpdateMaxFontWidth(CAlfTextVisual* textVisual)
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    {
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    int maxCharWidth = 0;
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    int fontId = textVisual->TextStyle();
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    const CFont* font = AknLayoutUtils::FontFromId(fontId, NULL);
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    TFontSpec curfontSpec = font->FontSpecInTwips();
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    curfontSpec.iFontStyle.SetStrokeWeight(EStrokeWeightNormal); 
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    maxCharWidth = font->MaxCharWidthInPixels();
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    return maxCharWidth;
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    }
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// ---------------------------------------------------------------------------
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// SetTextStyle
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// ---------------------------------------------------------------------------
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//
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void MulCoverFlowTemplate:: SetTextStyle(int aTextFontId, CAlfTextVisual& aTextVisual)
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    {
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    MUL_LOG_ENTRY_EXIT("Mul::MulCoverFlowTemplate::SetTextStyle");
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    UString textStyle;
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    switch(aTextFontId)
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        {    
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        case 0: textStyle=UString("qfn_primary");
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        break;
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        case 1: textStyle=UString("qfn_primary");
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        break;
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        case 2: textStyle=UString("qfn_secondary");
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        break;
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        } 
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    CAlfTextStyleManager& manager = aTextVisual.Env().TextStyleManager();
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    aTextVisual.SetTextStyle(GetFontId(textStyle, manager));
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    }
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  }//namespace Alf
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// End of file.