// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Symbian Foundation License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/sfl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#include "APGPRIV.H"

#include <e32hal.h>

#include <s32strm.h>

#include "APGCLI.H"

#include "APGICNFL.H"

#include "APGSTD.H"

#define KDefaultIconSizeInPixels TSize(96,96)

CApaIconPicture* CApaIconPicture::NewL(const TSize& aIconSizeInTwips, const TUid aAppUid)

	{

	CApaIconPicture* self=new(ELeave) CApaIconPicture(aIconSizeInTwips, aAppUid);

	CleanupStack::PushL(self);

	self->ConstructL();

	self->CreateIconL();

	CleanupStack::Pop(self);

	return self;

	}

CApaIconPicture::CApaIconPicture(const TSize& aIconSizeInTwips, const TUid aAppUid)

	: iAppUid(aAppUid),

	iOriginalSizeInTwips(aIconSizeInTwips),

	iScaleFactorWidth(1000),

	iScaleFactorHeight(1000)

	{

	__DECLARE_NAME(_S("CApaIconPicture"));

	}

void CApaIconPicture::ConstructL()

	{

	TMachineInfoV1Buf machineInfoBuf;

	User::LeaveIfError( UserHal::MachineInfo(machineInfoBuf) );

	TMachineInfoV1& machineInfo=machineInfoBuf();

	iDisplaySizeInTwips = machineInfo.iPhysicalScreenSize;

	iDisplaySizeInPixels = machineInfo.iDisplaySizeInPixels;

	//

	}

CApaIconPicture::~CApaIconPicture()

	{

	delete iIcon;

	}

void CApaIconPicture::CreateIconL()

	{

	// calculate the size of icon required in pixels

	TSize sizeInPixels;

	sizeInPixels.iWidth = (iOriginalSizeInTwips.iWidth*iDisplaySizeInPixels.iWidth*ScaleFactorWidth())/(iDisplaySizeInTwips.iWidth*1000);

	sizeInPixels.iHeight = (iOriginalSizeInTwips.iHeight*iDisplaySizeInPixels.iHeight*ScaleFactorHeight())/(iDisplaySizeInTwips.iHeight*1000);

	// if the required icon is not square get a large one and gdi will squash it during drawing

	CApaMaskedBitmap* newIcon = CApaMaskedBitmap::NewLC();

	RApaLsSession ls;

	CleanupClosePushL(ls);

	User::LeaveIfError(ls.Connect());

	User::LeaveIfError(ls.GetAppIcon(iAppUid, sizeInPixels, *newIcon));

	delete iIcon;

	iIcon = newIcon;

	CleanupStack::PopAndDestroy(&ls);

	CleanupStack::Pop(newIcon);

	//

	// set physical size

	TSize iconSizeInTwips;

	iconSizeInTwips.iWidth = (iOriginalSizeInTwips.iWidth*ScaleFactorWidth())/1000;

	iconSizeInTwips.iHeight = (iOriginalSizeInTwips.iHeight*ScaleFactorHeight())/1000;

	iIcon->SetSizeInTwips(iconSizeInTwips);

	}

void CApaIconPicture::Draw(CGraphicsContext& aGc,const TPoint& aTopLeft,const TRect& aClipRect,

						   MGraphicsDeviceMap* aMap) const

	{

	__ASSERT_DEBUG(iIcon,Panic(EDPanicNoIconInPicture));

	//

	TSize sizeInPixels(0,0);

	sizeInPixels.iWidth = aMap->HorizontalTwipsToPixels(iOriginalSizeInTwips.iWidth);

	sizeInPixels.iHeight = aMap->VerticalTwipsToPixels(iOriginalSizeInTwips.iHeight);

	sizeInPixels.iWidth = (ScaleFactorWidth()*sizeInPixels.iWidth)/1000;

	sizeInPixels.iHeight = (ScaleFactorHeight()*sizeInPixels.iHeight)/1000;

	//

	TRect originalRectInPixels(aTopLeft,sizeInPixels);

	aGc.SetClippingRect(aClipRect);

	aGc.DrawBitmap(originalRectInPixels,iIcon);

	aGc.CancelClippingRect();

	}

void CApaIconPicture::InternalizeL(RReadStream& /*aStream*/)

	{} //lint !e1762 Suppress member function could be made const

void CApaIconPicture::ExternalizeL(RWriteStream& /*aStream*/)const

	{}

void CApaIconPicture::GetOriginalSizeInTwips(TSize& aOriginalSize) const

	{

	aOriginalSize = iOriginalSizeInTwips;

	}

void CApaIconPicture::SetScaleFactor(TInt aScaleFactorWidth,TInt aScaleFactorHeight)

	{

	iScaleFactorWidth = aScaleFactorWidth;

	iScaleFactorHeight = aScaleFactorHeight;

	TRAP_IGNORE(CreateIconL()); // ignore any error, just keep using the current icon instead

	}

TInt CApaIconPicture::ScaleFactorWidth() const

	{

	return iScaleFactorWidth;

	}

TInt CApaIconPicture::ScaleFactorHeight() const

	{

	return iScaleFactorHeight;

	}

TPictureCapability CApaIconPicture::Capability() const

	{

	return TPictureCapability(TPictureCapability::ENotScaleable,EFalse); // scalable, not cropable

	}