vrexnavidecoratortime.cpp

symbian s60 有关音频的代码实例,供参考

/*
* ============================================================================
*  Name     : CVideoNaviDecoratorTime from VRexNaviDecoratorTime.cpp
*  Part of  : Video Example
*  Created  : 30/08/2006 by Forum  Nokia
*  Implementation notes:
*  Version  : 2.0
*  Copyright: Nokia Corporation, 2006
* ============================================================================
*/

// INCLUDE FILES
#include <aknsutils.h>

#include "VRexNaviDecoratorTime.h"
#include <vrex.rsg>

/*
-----------------------------------------------------------------------------

	CVideoNaviDecoratorTime::CVideoNaviDecoratorTime()

	Description: C++ default constructor can NOT contain any code, that
				 might leave.
	Comments   :

    Return values: N/A

-----------------------------------------------------------------------------
*/
CVideoNaviDecoratorTime::CVideoNaviDecoratorTime()
    {
    }

/*
-----------------------------------------------------------------------------

	void CVideoNaviDecoratorTime::ConstructL()

	Description: Symbian 2nd phase constructor can leave.
	Comments   :

    Return values: N/A

-----------------------------------------------------------------------------
*/
void CVideoNaviDecoratorTime::ConstructL()
    {
    iLabel = HBufC16::NewL(0);
    }

/*
-----------------------------------------------------------------------------

	CVideoNaviDecoratorTime* CVideoNaviDecoratorTime::NewL()

	Description: Two-phased construtor
	Comments   :

    Return values: CVideoNaviDecoratorTime object pointer

-----------------------------------------------------------------------------
*/
CVideoNaviDecoratorTime* CVideoNaviDecoratorTime::NewL()
    {
    CVideoNaviDecoratorTime* self = new( ELeave ) CVideoNaviDecoratorTime();
    CleanupStack::PushL( self );
    self->ConstructL();
    CleanupStack::Pop( self );
    return self;
    }

/*
-----------------------------------------------------------------------------

	CVideoNaviDecoratorTime::~CVideoNaviDecoratorTime()

	Description: Destructor
	Comments   :

    Return values: N/A

-----------------------------------------------------------------------------
*/
CVideoNaviDecoratorTime::~CVideoNaviDecoratorTime()
    {
    delete iLabel;
    iLabel = NULL;
    }

/*
-----------------------------------------------------------------------------

	void CVideoNaviDecoratorTime::SetLabelL(const TDesC& aLabel)

	Description: This method sets the label to the navi pane.
	Comments   :

    Return values: N/A

-----------------------------------------------------------------------------
*/
void CVideoNaviDecoratorTime::SetLabelL(const TDesC& aLabel)
    {
    HBufC* newLabel = aLabel.AllocL();
    delete iLabel; // after the AllocL succeeds
    iLabel = newLabel;
    ReportEventL(MCoeControlObserver::EEventStateChanged);
    }


/*
-----------------------------------------------------------------------------

	void CVideoNaviDecoratorTime::SizeChanged()

	Description: This method is called by the framework when size is changed.
	Comments   :

    Return values: N/A

-----------------------------------------------------------------------------
*/
void CVideoNaviDecoratorTime::SizeChanged()
    {
    // Values from LAF
    TRect parentRect(KLeftX,KLeftY,KRightX,KRightY);
    iTextLayout.LayoutText(parentRect,R_VREX_TIME_TEXT_LAYOUT);
    }

/*
-----------------------------------------------------------------------------

	void CVideoNaviDecoratorTime::Draw(const TRect& aRect) const

	Description: This method is called by the framework, draws the screen.
	Comments   :

    Return values: N/A

-----------------------------------------------------------------------------
*/
void CVideoNaviDecoratorTime::Draw(const TRect& /*aRect*/) const
    {
    CWindowGc& gc=SystemGc();

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    // Draw time indicator
    TRgb color = iTextLayout.Color();
    // Color is not updated if it not found from the skin
    AknsUtils::GetCachedColor(skin,color,KAknsIIDQsnComponentColors,
        EAknsCIQsnComponentColorsCG2);
    gc.SetPenColor(color);
    gc.UseFont(iTextLayout.Font());
    gc.DrawText(*iLabel,iTextLayout.TextRect(),
    	iTextLayout.Font()->AscentInPixels(),iTextLayout.Align());
    }

// End of File