camerauis/activepalette/Src/CActivePalettePluginBase.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 00:01:39 +0200
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/*
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* Copyright (c) 2007 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:  Active Palette Base plugin class*
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*/
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/**
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 * @file CActivePalettePluginBase.cpp
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 * Active Palette Base plugin class
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 */
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// INCLUDE FILES
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#include "CActivePalettePluginBase.h"
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#include "ActivePalette2Logger.h"
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#include "ActivePalette2Utils.h"
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#include <fbs.h>
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#include <bitstd.h>
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#include "ActivePalette2Cfg.h"
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// CONSTANTS
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const TInt KAnimPhase1 = 0;
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const TInt KAnimPhase2 = 1;
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const TInt KAnimPhaseMax = KAnimPhase2;
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const TInt KAnimNofPhases = 2;
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const TInt KAnimDeviatinFactorMul = 1;
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const TInt KAnimDeviatinFactorDiv = 5;
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// ================= MEMBER FUNCTIONS =======================
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// -----------------------------------------------------------------------------
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// CAnimationHelper::CAnimationHelper()
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// C++ constructor
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// -----------------------------------------------------------------------------
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//
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CAnimationHelper::CAnimationHelper()
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    {
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	// empty
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    }
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// -----------------------------------------------------------------------------
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// CAnimationHelper::ConstructL()
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// 2nd phase construction
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// -----------------------------------------------------------------------------
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//
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void CAnimationHelper::ConstructL(const TSize aSize, const TBool aMaskNeeded)
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    {
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	ActivePalette2Utils::CreateDrawingObjectsL(aSize,&iFrame,&iFrameDevice,&iFrameGc);
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	if (aMaskNeeded)
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	    {
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		ActivePalette2Utils::CreateDrawingObjectsL(EGray256,
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			aSize,&iFrameMask,&iFrameMaskDevice,&iFrameMaskGc);		
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	    }
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    }
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// -----------------------------------------------------------------------------
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// CAnimationHelper::~CAnimationHelper()
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CAnimationHelper::~CAnimationHelper()
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    {
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    // DeleteDrawingObjects checks passed pointers to ensure they are not null
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	ActivePalette2Utils::DeleteDrawingObjects(&iFrame,&iFrameDevice,&iFrameGc);
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	ActivePalette2Utils::DeleteDrawingObjects(&iFrameMask,&iFrameMaskDevice,&iFrameMaskGc);
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    }
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// -----------------------------------------------------------------------------
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// CAnimationHelper::NewL()
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// Symbian 2 phase construction
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// -----------------------------------------------------------------------------
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//
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CAnimationHelper * CAnimationHelper::NewL(const TSize aSize, const TBool aMaskNeeded)
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    {
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	CAnimationHelper * self = new (ELeave) CAnimationHelper();
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	CleanupStack::PushL(self);
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	self->ConstructL(aSize, aMaskNeeded);
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	CleanupStack::Pop(self);
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	return self;
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    }
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// -----------------------------------------------------------------------------
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// NActivePalettePluginFactory::TPluginCreationParams::PluginObserver()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C MActivePalettePluginObserver& NActivePalettePluginFactory::TPluginCreationParams::PluginObserver(void) const 
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    { 
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	return iObserver; 
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    }
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// -----------------------------------------------------------------------------
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// NActivePalettePluginFactory::TPluginCreationParams::Dimensions(void)
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TSize NActivePalettePluginFactory::TPluginCreationParams::Dimensions(void) const
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    {
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	return iDimensions;	
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    }
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// -----------------------------------------------------------------------------
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// NActivePalettePluginFactory::TPluginCreationParams::TPluginCreationParams()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C NActivePalettePluginFactory::TPluginCreationParams::TPluginCreationParams(MActivePalettePluginObserver & aObserver,
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						  												  const TSize& aDimensions)
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:   iObserver(aObserver),
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    iDimensions(aDimensions)
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    {
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::CActivePalettePluginBase()
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// C++ constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CActivePalettePluginBase::CActivePalettePluginBase(const NActivePalettePluginFactory::TPluginCreationParams & aCreationParams)
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:   iPluginObserver(aCreationParams.PluginObserver())
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    {
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	LOGTEXT( _L( "CActivePalettePluginBase::CActivePalettePluginBase" ) );
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	PluginObserver().NotifyPluginCreated(this);
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::~CActivePalettePluginBase()
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// Destructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CActivePalettePluginBase::~CActivePalettePluginBase(void)
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    {
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	LOGTEXT( _L( "CActivePalettePluginBase::~CActivePalettePluginBase" ) );
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	CBase::Delete(iAnimationHelper);
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	iAnimationHelper = NULL;
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	PluginObserver().NotifyPluginDestroyed(this);
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::ConstructL()
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// 2nd phase constructor
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CActivePalettePluginBase::ConstructL(const NActivePalettePluginFactory::TPluginCreationParams& /*aCreationParams*/, 
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									               const TDesC8 & /*aCustomDataDes*/,
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									               const TInt /*aCustomDataInt*/)
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    {
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	LOGTEXT( _L( "CActivePalettePluginBase::ConstructL" ) );
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	// empty
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::Shutdown()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CActivePalettePluginBase::Shutdown(void)
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    {
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	LOGTEXT( _L( "CActivePalettePluginBase::Shutdown" ) );
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	// empty
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::HandleMessageL()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CActivePalettePluginBase::HandleMessageL(const TInt aMessageID,
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                                                       const TDesC8& /*aDataDes*/,
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                                                       const TInt /*aDataInt*/)
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    {
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	LOGTEXT1( _L( "CActivePalettePluginBase::HandleMessageL, message ID: %d" ), aMessageID );
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	// empty
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	if (aMessageID)
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	    {
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	    // no compiler warning
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	    }
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::PrepareAniFramesL()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CActivePalettePluginBase::PrepareAniFramesL(const TInt aAniType,
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									  					  TPluginAnimationInfo& aAniInfo,
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									  					  const TPluginAnimationInfo& aDefaultAniInfo,
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				 						  	   		      const CFbsBitmap& aItemIcon,
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							      		  			      const CFbsBitmap* aItemIconMask)
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    {
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	LOGTEXT1( _L( "CActivePalettePluginBase::PrepareAniFramesL, AniType ID: %d" ), aAniType);
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	// use default animation info
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	aAniInfo = aDefaultAniInfo; 
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	// create data for icon and mask frames
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	iAnimationHelper = CAnimationHelper::NewL(aDefaultAniInfo.iFrameSize,
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											  (NULL != aItemIconMask));	
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	if (aAniType)
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	    {
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	    // no compiler warning
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	    }
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	if (aItemIcon.Handle())
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	    {
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	    // no compiler warning
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	    }
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::ReleaseAniFrames()
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CActivePalettePluginBase::ReleaseAniFrames(const TInt aAniType)
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    {
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	LOGTEXT1( _L( "CActivePalettePluginBase::ReleaseAniFrames, AniType ID: %d" ), aAniType);
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	CBase::Delete(iAnimationHelper);
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	iAnimationHelper = NULL;
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	if (aAniType) 
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	    {
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	    // no compiler warning
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	    }
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    }
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// -----------------------------------------------------------------------------
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// CActivePalettePluginBase::ProduceAniFrame(
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CActivePalettePluginBase::ProduceAniFrame(
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    TInt aAniType,
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    TInt aFrameNo,
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    const TPluginAnimationInfo& aAniInfo,
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    const CFbsBitmap& aItemIcon,
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    const CFbsBitmap* aItemIconMask,
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    CFbsBitmap** aFrame,
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    CFbsBitmap** aFrameMask,
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    TBool& aOwnershipTransferForFrame,
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    TBool& aOwnershipTransferForMask)
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    {
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	LOGTEXT2( 
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		_L( "CActivePalettePluginBase::ProduceAniFrame, AniType ID: %d, frame no : %d" ), 
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		aAniType,
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		aFrameNo);
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	CAnimationHelper* ani = static_cast<CAnimationHelper*>(iAnimationHelper);
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	aOwnershipTransferForFrame = EFalse;
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	aOwnershipTransferForMask  = EFalse;		
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	*aFrame 		= ani->iFrame;
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	*aFrameMask 	= ani->iFrameMask;
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	// empty mask, transparent
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	if (NULL != ani->iFrameMaskGc)
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	    {		
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		ani->iFrameMaskGc->Reset();
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		ani->iFrameMaskGc->SetBrushColor(KRgbBlack);
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		ani->iFrameMaskGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
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		ani->iFrameMaskGc->Clear(); 
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	    }
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	// empty frame	
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	ani->iFrameGc->Reset();
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	ani->iFrameGc->SetBrushColor(KRgbWhite);
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	ani->iFrameGc->SetBrushStyle(CGraphicsContext::ESolidBrush);
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	ani->iFrameGc->Clear(); 
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	// ani frame
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	TInt phase = Min(KAnimPhaseMax, 
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					 KAnimNofPhases * aFrameNo / aAniInfo.iNofFrames);
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   287
	
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	TInt inPhaseMax = aAniInfo.iNofFrames / KAnimNofPhases;
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   289
	
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	TInt inPhaseOfs = Min(inPhaseMax, aFrameNo - (phase * KAnimPhaseMax));
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   291
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	TInt lenX = aAniInfo.iFrameSize.iWidth;
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	TInt lenY = aAniInfo.iFrameSize.iHeight;
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   294
	
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	TInt devX = lenX * KAnimDeviatinFactorMul / KAnimDeviatinFactorDiv;
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	TInt devY = lenY * KAnimDeviatinFactorMul / KAnimDeviatinFactorDiv;
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   297
	
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	TInt szx(0);
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	TInt szy(0);
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   300
	
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	TInt addX = devX * inPhaseOfs / inPhaseMax;
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	TInt addY = devY * inPhaseOfs / inPhaseMax;
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   303
	
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	switch (phase)
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   305
	    {
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		case KAnimPhase1:
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			szx = lenX - addX;
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			szy = lenY - addY;
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			break;
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   310
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		case KAnimPhase2:
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		default:
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			szx = lenX - devX + addX;
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			szy = lenY - devY + addY;
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			break;
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	    }
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   317
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	TRect frameRect(TPoint( (lenX - szx) / 2, (lenY - szy) / 2),
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					TSize(szx, szy));
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	TRect iconRect(TPoint(0,0), aItemIcon.SizeInPixels());
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diff changeset
   321
	
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	if (NULL != aItemIconMask && NULL != ani->iFrameMaskGc)
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   323
	    {
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		ani->iFrameMaskGc->DrawBitmap(frameRect,aItemIconMask,iconRect);
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	    }
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diff changeset
   326
	
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	ani->iFrameGc->DrawBitmap(frameRect,&aItemIcon,iconRect);		
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   328
	
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	if (aAniType)
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   330
	    {
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	    // no compiler warning
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	    }
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   333
    }
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   334
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   335
// End of File