emailuis/emailui/inc/FreestyleEmailUiAknStatusIndicator.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 26 Jan 2010 11:45:42 +0200
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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 the License "Symbian Foundation License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".
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*/ 
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#ifndef __FREESTYLEEMAILUI_AKN_STATUS_INDICATOR_H__
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#define __FREESTYLEEMAILUI_AKN_STATUS_INDICATOR_H__
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#include <coecntrl.h>
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#include "FreestyleEmailUiUtilities.h"  // FSEmailUiGenericTimer
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const TInt KStatusIndicatorAutomaticHidingDuration = 3000;
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const TInt KStatusIndicatorDefaultDuration = -1;
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class CFreestyleEmailUiAknStatusIndicator : public CCoeControl,
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                                            protected MFSEmailUiGenericTimerCallback
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    {
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public:
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    IMPORT_C static CFreestyleEmailUiAknStatusIndicator* NewL( const TRect& aRect, const CCoeControl* aParent = NULL );
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    IMPORT_C static CFreestyleEmailUiAknStatusIndicator* NewLC( const TRect& aRect, const CCoeControl* aParent = NULL );
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    ~CFreestyleEmailUiAknStatusIndicator();
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    // The ownships of aBitmap, aMaskBitmap and aText are transferred in.
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    // The status indicator is display for aDuration millisecond if aDuration is not negative;
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    // otherwise, it is diplayed forever until it is manually hidden.
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    void 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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    void HideIndicator( TInt aDelayBeforeHidingInMs = 0 );
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    // The ownship of aText is transferred in.
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    void SetTextL( TDesC* aText );
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    // CCoeControl
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    CCoeControl* ComponentControl( TInt aIndex ) const;
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    TInt CountComponentControls() const;
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    void Draw( const TRect& aRect ) const;
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    void SizeChanged();
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    inline const CFbsBitmap* Image() const 
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        {
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        return iBitmap;
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        }
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    inline const CFbsBitmap* ImageMask() const 
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        {
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        return iMaskBitmap;
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        }
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    inline const TDesC* Text() const
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        {
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        return iText;
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        }
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protected:    
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    CFreestyleEmailUiAknStatusIndicator();
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    void ConstructL( const TRect& aRect, const CCoeControl* aParent );
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    void TimerEventL( CFSEmailUiGenericTimer* aTriggeredTimer );
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private:
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    void CalculateLayout( const TRect& aRect ) const;
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    void SetTextFont() const;
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    void CalculateVisualText() const;
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    void DrawBoundary( const TRect& aRect ) const;
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    void DrawImage( const TRect& aRect ) const;
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    void DrawText( const TRect& aRect ) const;
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    void SetImage( CFbsBitmap* aBitmap, CFbsBitmap* aMaskBitmap );
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    void ScaleImage() const;
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    void ClearImage();
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    void ClearText();
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private:
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    CFbsBitmap*                 iBitmap; 
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    CFbsBitmap*                 iMaskBitmap;
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    TDesC*                      iText;
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    CFSEmailUiGenericTimer*     iTimer;
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    mutable TRect               iImageRect;
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    mutable TRect               iTextRect;
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    mutable HBufC*              iVisualText;
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    mutable CFont*              iTextFont;
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    };
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#endif // __FREESTYLEEMAILUI_AKN_STATUS_INDICATOR_H__