emailuis/emailui/src/OverlayControl.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 22:37:30 +0200
branchRCL_3
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parent 3 a4d6f1ea0416
child 10 f5907b1a1053
permissions -rw-r--r--
Revision: 201003 Kit: 201007
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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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* 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: This file implements overlay controls
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*
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*/
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#include "OverlayControl.h"
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// CONSTS
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const TReal KSolidTransparencyFactor = 2;
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COverlayControl::COverlayControl( MOverlayControlObserver* aObserver )
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: iObserver( aObserver )
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	{
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	}
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COverlayControl::~COverlayControl()
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	{
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    delete iBitmap;
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    delete iMask;
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	}
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COverlayControl* COverlayControl::NewL( CCoeControl* aParent, MOverlayControlObserver* aObserver, 
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        const TRect& aRect, TInt aBitmapId, TInt aMaskId )
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	{
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    COverlayControl* self = new (ELeave) COverlayControl( aObserver );
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	CleanupStack::PushL( self );
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	self->ConstructL( aParent, aRect, aBitmapId, aMaskId );
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    CleanupStack::Pop( self );
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	return self;
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	}
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void COverlayControl::ConstructL( CCoeControl* aParent, const TRect& aRect, TInt aBitmapId, TInt aMaskId )
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	{
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    SetContainerWindowL( *aParent );
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	TFileName iconFileName;
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	TFsEmailUiUtility::GetFullIconFileNameL( iconFileName );
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	AknIconUtils::CreateIconL( iBitmap,
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							   iMask,
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							   iconFileName,
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							   aBitmapId,
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							   aMaskId );
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	SetRect( aRect );
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    EnableDragEvents();
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	ActivateL();
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	}
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void COverlayControl::SetRect( const TRect& aRect )
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    {
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    if( iBitmap )
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        {
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        AknIconUtils::SetSize( iBitmap, aRect.Size() );
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        }
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    if( iMask )
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        {
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        AknIconUtils::SetSize( iMask, aRect.Size() );
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        }
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    CCoeControl::SetRect( aRect );
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    }
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void COverlayControl::HandlePointerEventL( const TPointerEvent& aPointerEvent )
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    {
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    CCoeControl::HandlePointerEventL( aPointerEvent );
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    if( iObserver )
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        {
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        // Do not let leaves disturb the system
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        TRAP_IGNORE(
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            iObserver->HandleOverlayPointerEventL( this, aPointerEvent ));
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        }
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     }
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void COverlayControl::MakeVisible( TBool aVisible )
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    {
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    if( !aVisible )
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        {
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        SetPointerCapture( EFalse );
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        }
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    else
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        {
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        DrawDeferred();
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        }
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    CCoeControl::MakeVisible( aVisible );
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    }
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void COverlayControl::Draw( const TRect& ) const 
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	{
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	CWindowGc& gc = SystemGc();
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	if( iBitmap )
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	    {
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        TSize size = iBitmap->SizeInPixels();
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        gc.BitBltMasked(Position(),iBitmap,TRect( TPoint(0,0), size),iMask, ETrue);
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        }
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	}