emailuis/emailui/src/FreestyleEmailUiAknStatusIndicator.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:02:40 +0200
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parent 3 a4d6f1ea0416
child 8 e1b6206813b4
permissions -rw-r--r--
Revision: 201003 Kit: 201005
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/*
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* Copyright (c) 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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#include "FreestyleEmailUiAknStatusIndicator.h"
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#include <biditext.h>
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#include <akniconutils.h>
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#include <aknbiditextutils.h>
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const TInt KImageMargin = 8;
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const TInt KTextMargin = 4;
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const TInt KRoundBoundaryEllipse = 5;
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const TInt KTuncationCharsWidth = 20;    
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CFreestyleEmailUiAknStatusIndicator* CFreestyleEmailUiAknStatusIndicator::NewL( const TRect& aRect, const CCoeControl* aParent )
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    {
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    CFreestyleEmailUiAknStatusIndicator* self = CFreestyleEmailUiAknStatusIndicator::NewLC( aRect, aParent );
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    CleanupStack::Pop( self );
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    return self;
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    }
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CFreestyleEmailUiAknStatusIndicator* CFreestyleEmailUiAknStatusIndicator::NewLC( const TRect& aRect, const CCoeControl* aParent )
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    {
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    CFreestyleEmailUiAknStatusIndicator* self = new (ELeave) CFreestyleEmailUiAknStatusIndicator();
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    CleanupStack::PushL( self );
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    self->ConstructL( aRect, aParent );
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    return self;
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    }
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CFreestyleEmailUiAknStatusIndicator::~CFreestyleEmailUiAknStatusIndicator()
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    {
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    ClearImage();
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    ClearText();
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    delete iTimer;
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    }
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void CFreestyleEmailUiAknStatusIndicator::ShowIndicatorL( CFbsBitmap* aBitmap, 
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                                                          CFbsBitmap* aMaskBitmap,
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                                                          TDesC* aText,
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                                                          TInt aDuration )
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    {
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    iTimer->Stop();
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    SetImage( aBitmap, aMaskBitmap );
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    SetTextL( aText );
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    MakeVisible( ETrue );
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    DrawNow();
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    if ( aDuration >= 0 )
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        {
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        HideIndicator( aDuration );
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        }
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    }
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void CFreestyleEmailUiAknStatusIndicator::SetTextL( TDesC* aText )
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    {
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    SetTextFont();
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    ClearText();    
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    iText = aText; 
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    if ( iText )
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        {
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        iVisualText = HBufC::NewL( iText->Length() + KAknBidiExtraSpacePerLine );
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        CalculateVisualText();
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        }    
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    if ( IsVisible() )
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        {
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        DrawNow();
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        }
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    }
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void CFreestyleEmailUiAknStatusIndicator::HideIndicator( TInt aDelayBeforeHidingInMs )
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    {
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    iTimer->Stop();
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    if ( aDelayBeforeHidingInMs == 0 )
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        {
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        MakeVisible( EFalse );
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        }
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    else
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        {
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        iTimer->Start( aDelayBeforeHidingInMs );
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        }
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    }
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CCoeControl* CFreestyleEmailUiAknStatusIndicator::CFreestyleEmailUiAknStatusIndicator::ComponentControl( TInt /*aIndex*/ ) const
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    {
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    return NULL;
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    }
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TInt CFreestyleEmailUiAknStatusIndicator::CountComponentControls() const
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    {
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    return 0;
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    }
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void CFreestyleEmailUiAknStatusIndicator::Draw( const TRect& aRect ) const
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    {
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    CWindowGc& gc = SystemGc();
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    gc.Clear( aRect );
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    DrawBoundary( aRect );
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    DrawImage( iImageRect );
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    DrawText( iTextRect );
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    }
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void CFreestyleEmailUiAknStatusIndicator::SizeChanged()
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    {  
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    CalculateLayout( Rect() );
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    ScaleImage();
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    CalculateVisualText();
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    }
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CFreestyleEmailUiAknStatusIndicator::CFreestyleEmailUiAknStatusIndicator()
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    : iBitmap( NULL ),
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    iMaskBitmap( NULL ),
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    iText( NULL ),
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    iVisualText( NULL ),
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    iTextFont( NULL )
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    {    
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    }
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void CFreestyleEmailUiAknStatusIndicator::ConstructL( const TRect& aRect, const CCoeControl* aParent )
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    {
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    iTimer = CFSEmailUiGenericTimer::NewL( this ); 
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    if ( !aParent )
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        {
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        CreateWindowL();
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        }
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    else
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        {
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        SetContainerWindowL( *aParent );
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        }
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    SetRect( aRect );
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    ActivateL();
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    MakeVisible( EFalse );
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    }
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void CFreestyleEmailUiAknStatusIndicator::TimerEventL( CFSEmailUiGenericTimer* /*aTriggeredTimer*/ )
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    {
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    HideIndicator();
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    }
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void CFreestyleEmailUiAknStatusIndicator::CalculateLayout( const TRect& aRect ) const
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    {
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    TSize imageSize = aRect.Size();
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    imageSize.iHeight = imageSize.iHeight - 2 * KImageMargin;
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    imageSize.iWidth = imageSize.iWidth - 2 * KImageMargin;
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    if ( imageSize.iWidth > imageSize.iHeight )
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        {
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        imageSize.iWidth = imageSize.iHeight;
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        }
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    else
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        {
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        imageSize.iHeight = imageSize.iWidth;
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        }
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    TSize textSize = aRect.Size();
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    textSize.iHeight = textSize.iHeight - 2 * KTextMargin;
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    textSize.iWidth = textSize.iWidth - 2 * KTextMargin - 2 * KImageMargin - imageSize.iWidth;
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    TLanguage language = User::Language();
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    TBidiText::TDirectionality  direction = TBidiText::ScriptDirectionality( language );    
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    if ( direction == TBidiText::ELeftToRight )
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        {
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        TPoint imageLeftTop ( aRect.iTl.iX + KImageMargin, aRect.iTl.iY + KImageMargin );
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        iImageRect.SetRect( imageLeftTop, imageSize );    
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        TPoint textLeftTop ( aRect.iTl.iX + 2*KImageMargin + imageSize.iWidth + KTextMargin, aRect.iTl.iY + KTextMargin );
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        iTextRect.SetRect( textLeftTop, textSize );    
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        }
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    else
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        {
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        TPoint imageLeftTop ( aRect.iBr.iX - KImageMargin - imageSize.iWidth, aRect.iTl.iY + KImageMargin );
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        iImageRect.SetRect( imageLeftTop, imageSize );    
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   188
        
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        TPoint textLeftTop ( aRect.iTl.iX + KTextMargin, aRect.iTl.iY + KTextMargin );
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        iTextRect.SetRect( textLeftTop, textSize );    
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        }
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    }
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   193
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void CFreestyleEmailUiAknStatusIndicator::SetTextFont() const
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   195
    {
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   196
    if ( iTextFont )
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        return;
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   198
    
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   199
    const CFont* font = AknLayoutUtils::FontFromId( EAknLogicalFontPrimarySmallFont );
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    iTextFont = CONST_CAST( CFont*, font );
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   201
    }
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   202
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   203
void CFreestyleEmailUiAknStatusIndicator::CalculateVisualText() const
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    {
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   205
    if ( iVisualText )
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   206
        {
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        TPtr visualText = iVisualText->Des();
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        visualText.Zero();
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   209
        TInt MaxWidthInPixels = iTextRect.Size().iWidth - KTuncationCharsWidth;
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        TInt MaxClippedWidthInPixels = iTextRect.Size().iWidth;
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   211
        AknBidiTextUtils::ConvertToVisualAndClip( *iText,
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                                                  visualText,
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                                                  *iTextFont,
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                                                  MaxWidthInPixels,
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                                                  MaxClippedWidthInPixels );    
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   216
        }
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   217
    }
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   218
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void CFreestyleEmailUiAknStatusIndicator::DrawBoundary( const TRect& aRect ) const
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   220
    {
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   221
    CWindowGc& gc = SystemGc();
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    gc.SetPenColor( KRgbCyan );
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    TSize ellipse( KRoundBoundaryEllipse, KRoundBoundaryEllipse );
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    gc.DrawRoundRect( aRect, ellipse);
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    }
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void CFreestyleEmailUiAknStatusIndicator::DrawImage( const TRect& aRect ) const
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    {
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    if ( !iBitmap )
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        return;
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    CWindowGc& gc = SystemGc();
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    if ( iMaskBitmap )
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        {
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   235
        TRect bmpPieceRect(TPoint(0,0), aRect.Size() ); 
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        gc.BitBltMasked( aRect.iTl, iBitmap, bmpPieceRect, iMaskBitmap, EFalse );
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        }
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    else
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        {
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        gc.DrawBitmap( aRect, iBitmap );
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        }
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    }
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void CFreestyleEmailUiAknStatusIndicator::DrawText( const TRect& aRect ) const
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    {
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    if ( !iVisualText )
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        return;
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    if ( iVisualText->Length() == 0 )
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        return;
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    TLanguage language = User::Language();
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    TBidiText::TDirectionality  direction = TBidiText::ScriptDirectionality( language );
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    CGraphicsContext::TTextAlign alignment = CGraphicsContext::ELeft;
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    if ( direction == TBidiText::ERightToLeft )
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   256
        {
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        alignment = CGraphicsContext::ERight;
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        }
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   259
    
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    CWindowGc& gc = SystemGc();
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   261
    gc.UseFont( iTextFont );
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   262
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   263
    TInt baseline = aRect.Height() / 2 + iTextFont->FontMaxAscent() / 2; 
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   264
    
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    gc.SetPenColor(KRgbBlack);
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   266
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   267
    gc.DrawText( *iVisualText, aRect, baseline, alignment, 0);
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   268
    }
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   269
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void CFreestyleEmailUiAknStatusIndicator::SetImage( CFbsBitmap* aBitmap, CFbsBitmap* aMaskBitmap )
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   271
    {
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    ClearImage();
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    iBitmap = aBitmap;
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    iMaskBitmap = aMaskBitmap;
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    ScaleImage();
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   276
    }
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   277
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void CFreestyleEmailUiAknStatusIndicator::ScaleImage() const
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   279
    {
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   280
    if ( iBitmap )
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   281
        {
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   282
        AknIconUtils::DisableCompression( iBitmap );
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   283
        AknIconUtils::SetSize( iBitmap, iImageRect.Size(), EAspectRatioPreserved );
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   284
        }
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   285
    if ( iMaskBitmap )
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parents:
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   286
        {
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   287
        AknIconUtils::DisableCompression( iMaskBitmap );
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   288
        AknIconUtils::SetSize( iMaskBitmap, iImageRect.Size(), EAspectRatioPreserved );
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   289
        }    
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   290
    }
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   291
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   292
void CFreestyleEmailUiAknStatusIndicator::ClearImage()
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   293
    {
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   294
    delete iBitmap;
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   295
    iBitmap = NULL;
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   296
    delete iMaskBitmap;
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   297
    iMaskBitmap = NULL;
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   298
    }
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   299
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   300
void CFreestyleEmailUiAknStatusIndicator::ClearText()
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   301
    {
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   302
    delete iText;
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   303
    iText = NULL;
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parents:
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   304
    
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   305
    delete iVisualText;
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parents:
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   306
    iVisualText = NULL;
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   307
    }
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parents:
diff changeset
   308