/*

* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include <s32file.h>

#include <graphics/shapeimpl.h>

#include "FNTSTORE.H"

#include "OPENFONT.H"

#include "FNTBODY.H"

#include "FNTSTD.H"

#include <graphics/shaperparams.h>

#include "linkedfonts.h"

#include "linkedfontsprivate.h"

#include "openfontsprivate.h"

#include "fbs.h"

#include <openfontlinkedtypefaceelementspec.h>

#include <graphics/openfontlinkedtypefacespecification.h>

EXPORT_C CLinkedTypefaceSpecification* CLinkedTypefaceSpecification::NewLC(const TDesC& aTypefaceName)

	{

	CLinkedTypefaceSpecification* self = new (ELeave) CLinkedTypefaceSpecification();

	CleanupStack::PushL(self);

	self->ConstructL(aTypefaceName);

	return self;

	}

CLinkedTypefaceSpecification::CLinkedTypefaceSpecification()

	{

	}

void CLinkedTypefaceSpecification::ConstructL(const TDesC &aTypefaceName)

	{

	iBody = new (ELeave) CLinkedTypefaceSpecificationBody();

	TInt length = aTypefaceName.Length();

	if ((length > KMaxTypefaceNameLength) || (length == 0))

		User::Leave(KErrArgument);

	iBody->iLinkedTypefaceName = aTypefaceName.AllocL();

	}

EXPORT_C void CLinkedTypefaceSpecification::AddTypefaceAtIndexL(CLinkedTypefaceElementSpec& aElementSpec, TInt aIndex)

	{

	DoAddTypefaceL(aElementSpec, aIndex);

	}

EXPORT_C void CLinkedTypefaceSpecification::AddTypefaceAtBackL(CLinkedTypefaceElementSpec& aElementSpec)

	{

	DoAddTypefaceL(aElementSpec, iBody->iTypefaces.Count());

	}

EXPORT_C TInt CLinkedTypefaceSpecification::RemoveTypeface(TInt aIndex)

	{

	if  ( (aIndex < iBody->iTypefaces.Count()) && (aIndex >= 0) )

		{

		CLinkedTypefaceElementSpec* elementSpec = iBody->iTypefaces[aIndex];

		iBody->iTypefaces.Remove(aIndex);

		delete elementSpec;

		return KErrNone;

		}

	else

		return KErrNotFound;

	}

EXPORT_C void CLinkedTypefaceSpecification::RegisterLinkedTypefaceL(CFbsTypefaceStore& aStore)

	{

	//Leave if there is no canonical element, or there are multiples.

	//The remaining validation must be performed in fntstore.

	User::LeaveIfError(CanonicalIndex());

	User::LeaveIfError(aStore.RegisterLinkedTypeface(*this));

	}

EXPORT_C void CLinkedTypefaceSpecification::FetchLinkedTypefaceSpecificationL(CFbsTypefaceStore& aStore)

	{	

	aStore.GetLinkedTypefaceL(*this);

	}

EXPORT_C TInt CLinkedTypefaceSpecification::TypefaceCount() const

	{

	return iBody->iTypefaces.Count();

	}

EXPORT_C TPtrC CLinkedTypefaceSpecification::Name() const

	{

	return *iBody->iLinkedTypefaceName;

	}

EXPORT_C CLinkedTypefaceSpecification::~CLinkedTypefaceSpecification()

	{

	delete iBody;

	}

EXPORT_C TInt CLinkedTypefaceSpecification::CanonicalIndex()

	{

	TInt index = KErrNotFound;

	for (TInt i = iBody->iTypefaces.Count()-1 ; i >= 0; i--)

		{

		if (iBody->iTypefaces[i]->Canonical())

			{

			if (index == KErrNotFound)

				index = i;

			else 

				return KErrOverflow;

			}

		}

	return index;

	}

EXPORT_C CLinkedTypefaceElementSpec* CLinkedTypefaceSpecification::Typeface(TInt aIndex) const

	{

	if ((aIndex >= iBody->iTypefaces.Count()) || (aIndex < 0))

		{

		return NULL;

		}

	else

		{

		return iBody->iTypefaces[aIndex];

		}

	}

void CLinkedTypefaceSpecification::DoAddTypefaceL(CLinkedTypefaceElementSpec& aElementSpec, TInt aPos)

	{

	if (iBody->iTypefaces.Count() == KMaxLinkedTypefaces)

		User::Leave(KErrOverflow);

	TInt err = iBody->iTypefaces.Find(&aElementSpec);

	if (err != KErrNotFound)

		User::Leave(KErrAlreadyExists);

	if (aElementSpec.Canonical() && CanonicalIndex() != KErrNotFound)

		User::Leave(KErrArgument);

	if (GroupById(aElementSpec.GroupId()) == NULL)

		User::Leave(KErrArgument);

	TInt canIndex = CanonicalIndex();

	if (aElementSpec.Canonical())

		{

		if (canIndex!=KErrNotFound)

			User::Leave(KErrArgument);

		}

	err = iBody->iTypefaces.Insert(&aElementSpec, aPos);

	User::LeaveIfError(err);

	}

EXPORT_C void CLinkedTypefaceSpecification::AddLinkedTypefaceGroupL(CLinkedTypefaceGroup& aGroup)

	{

	if (iBody->iGroups.Count() == KMaxLinkedTypefaceGroups)

		User::Leave(KErrOverflow);

	for (TInt i = iBody->iGroups.Count()-1 ; i >= 0 ; i--)

		{

		if (iBody->iGroups[i]->GroupId() == aGroup.GroupId())

			User::Leave(KErrAlreadyExists);

		}

	iBody->iGroups.AppendL(&aGroup);

	}

EXPORT_C TInt CLinkedTypefaceSpecification::RemoveLinkedTypefaceGroup(TInt aGroupId)

	{

	//Search for & remove the group if it exists

	CLinkedTypefaceGroup* remove = GroupById(aGroupId);

	//If the group has been found & removed remove all associated typefaces

	if (remove)

		{

		CLinkedTypefaceElementSpec* elementSpec;

		for (TInt i = iBody->iTypefaces.Count()-1 ; i >= 0 ; i--)

			{

			elementSpec = iBody->iTypefaces[i];

			if (elementSpec->GroupId() == aGroupId)

				RemoveTypeface(i);

			}

		iBody->iGroups.Remove(iBody->iGroups.Find(remove));

		delete remove;

		return KErrNone;

		}

	return KErrNotFound;

	}

EXPORT_C CLinkedTypefaceGroup* CLinkedTypefaceSpecification::GroupById(TInt aGroupId) const

	{

	TInt index;

	TBool found = EFalse;

	for (index = iBody->iGroups.Count()-1; index != -1 ; index--)

		{

		if (iBody->iGroups[index]->GroupId() == aGroupId)

			{

			found = ETrue;

			break;

			}

		}

	if (found)

		return iBody->iGroups[index];

	else

		return NULL;

	}

EXPORT_C CLinkedTypefaceGroup* CLinkedTypefaceSpecification::Group(TInt aGroupIndex) const

	{

	if ( (aGroupIndex >= 0) && (aGroupIndex < iBody->iGroups.Count()) )

		return iBody->iGroups[aGroupIndex];

	else

		return NULL;

	}

EXPORT_C TInt CLinkedTypefaceSpecification::GroupCount() const

	{

	return iBody->iGroups.Count();

	}

EXPORT_C void CLinkedTypefaceSpecification::Clear()

	{

	iBody->iGroups.ResetAndDestroy();

	iBody->iTypefaces.ResetAndDestroy();

	}

EXPORT_C void CLinkedTypefaceSpecification::UpdateLinkedTypefaceL(CFbsTypefaceStore& aStore)

	{

	User::LeaveIfError(aStore.UpdateLinkedTypeface(*this));

	}

CLinkedTypefaceSpecificationBody::CLinkedTypefaceSpecificationBody()

	{

	}

CLinkedTypefaceSpecificationBody::~CLinkedTypefaceSpecificationBody()

	{

	delete iLinkedTypefaceName;

	iTypefaces.ResetAndDestroy();

	iGroups.ResetAndDestroy();

	}

EXPORT_C CLinkedTypefaceElementSpec* CLinkedTypefaceElementSpec::NewLC(const TDesC& aElementName, TInt aGroupId)

	{

	CLinkedTypefaceElementSpec* self = new(ELeave)CLinkedTypefaceElementSpec(aGroupId);

	CleanupStack::PushL(self);

	self->ConstructL(aElementName);

	return self;

	}

EXPORT_C CLinkedTypefaceElementSpec::~CLinkedTypefaceElementSpec()

	{

	delete iElementName;

	}

EXPORT_C TPtrC CLinkedTypefaceElementSpec::ElementName() const

	{

	return *iElementName;

	}

EXPORT_C void CLinkedTypefaceElementSpec::SetCanonical(TBool aIsCanonical)

	{

	iIsCanonical = aIsCanonical;

	}

EXPORT_C TBool CLinkedTypefaceElementSpec::Canonical() const

	{

	return iIsCanonical;

	}

CLinkedTypefaceElementSpec::CLinkedTypefaceElementSpec(TInt aGroupId)

	{

	iGroupId = aGroupId;

	iIsCanonical = EFalse;

	}

EXPORT_C TInt CLinkedTypefaceElementSpec::GroupId() const

	{

	return iGroupId;

	}

EXPORT_C COpenFontLinkedTypefaceSpecification* COpenFontLinkedTypefaceSpecification::NewLC(const TDesC& aTypefaceName)

	{

	COpenFontLinkedTypefaceSpecification* self = new (ELeave) COpenFontLinkedTypefaceSpecification();

	CleanupStack::PushL(self);

	self->ConstructL(aTypefaceName);

	return self;

	}

EXPORT_C COpenFontLinkedTypefaceSpecification* COpenFontLinkedTypefaceSpecification::NewLC(const TLinkedTypefaceSpecificationArgs& aSpecArgs)

	{

	COpenFontLinkedTypefaceSpecification* self = new (ELeave) COpenFontLinkedTypefaceSpecification();

	CleanupStack::PushL(self);

	self->ConstructL(aSpecArgs);

	return self;

	}

COpenFontLinkedTypefaceSpecification::COpenFontLinkedTypefaceSpecification()

	{

	}

void COpenFontLinkedTypefaceSpecification::ConstructL(const TDesC &aTypefaceName)

	{

	TInt length = aTypefaceName.Length();

	if ((length > KMaxTypefaceNameLength) || (length == 0))

		User::Leave(KErrArgument);

	iLinkedTypefaceName = aTypefaceName.AllocL();

	}

void COpenFontLinkedTypefaceSpecification::ConstructL(const TLinkedTypefaceSpecificationArgs& aSpecArgs)

	{

	iLinkedTypefaceName = aSpecArgs.iName.AllocL();

	TInt i;

	for (i = 0; i != aSpecArgs.iGroupSize ; i++)

		{

		CLinkedTypefaceGroup* grp = CLinkedTypefaceGroup::NewLC(aSpecArgs.iGroups[i].iGroupId);

		grp->SetBaselineShift(aSpecArgs.iGroups[i].iBaselineShift);

		grp->SetBoldnessPercentage(aSpecArgs.iGroups[i].iBoldnessPercentage);

		grp->SetItalicAngle(aSpecArgs.iGroups[i].iItalicAngle);

		grp->SetScalingOption(aSpecArgs.iGroups[i].iScalingOption);

		AddLinkedTypefaceGroupL(*grp);

		CleanupStack::Pop(grp);

		}

	for (i = 0 ; i != aSpecArgs.iSize ; i++)

		{

		COpenFontLinkedTypefaceElementSpec* es = COpenFontLinkedTypefaceElementSpec::NewLC(aSpecArgs.iTypefaces[i].iName, aSpecArgs.iTypefaces[i].iGroupId);

		es->SetCanonical(aSpecArgs.iTypefaces[i].iIsCanonical);

		AddTypefaceAtBackL(*es);

		CleanupStack::Pop(es);

		}

	//ASSERT Can. Indexs match.

	}

EXPORT_C COpenFontLinkedTypefaceSpecification::~COpenFontLinkedTypefaceSpecification()

	{

	delete iLinkedTypefaceName;

	iTypefaces.ResetAndDestroy();

	iTypefaces.Close();

	iGroups.ResetAndDestroy();

	iGroups.Close();

	}

EXPORT_C void COpenFontLinkedTypefaceSpecification::AddTypefaceAtIndexL(COpenFontLinkedTypefaceElementSpec& aElementSpec, TInt aIndex)

	{

	DoAddTypefaceL(aElementSpec, aIndex);

	}

EXPORT_C void COpenFontLinkedTypefaceSpecification::AddTypefaceAtBackL(COpenFontLinkedTypefaceElementSpec& aElementSpec)

	{

	DoAddTypefaceL(aElementSpec, iTypefaces.Count());

	}

EXPORT_C TInt COpenFontLinkedTypefaceSpecification::RemoveTypeface(TInt aIndex)

	{

	if  ( (aIndex < iTypefaces.Count()) && (aIndex >= 0) )

		{

		COpenFontLinkedTypefaceElementSpec* elementSpec = iTypefaces[aIndex];

		iTypefaces.Remove(aIndex);

		delete elementSpec;

		return KErrNone;

		}

	else

		return KErrNotFound;

	}

EXPORT_C TInt COpenFontLinkedTypefaceSpecification::TypefaceCount() const

	{

	return iTypefaces.Count();

	}

EXPORT_C TPtrC COpenFontLinkedTypefaceSpecification::Name() const

	{

	return *iLinkedTypefaceName;

	}

EXPORT_C TInt COpenFontLinkedTypefaceSpecification::CanonicalIndex() const

	{

	TInt index = KErrNotFound;

	for (TInt i = iTypefaces.Count()-1 ; i >= 0; i--)

		{

		if (iTypefaces[i]->Canonical())

			{

			if (index == KErrNotFound)

				index = i;

			else 

				return KErrOverflow;

			}

		}

	return index;

	}

EXPORT_C COpenFontLinkedTypefaceElementSpec* COpenFontLinkedTypefaceSpecification::Typeface(TInt aIndex) const

	{

	if ((aIndex >= iTypefaces.Count()) || (aIndex < 0))

		{

		return NULL;

		}

	else

		{

		return iTypefaces[aIndex];

		}

	}

void COpenFontLinkedTypefaceSpecification::DoAddTypefaceL(COpenFontLinkedTypefaceElementSpec& aElementSpec, TInt aPos)

	{

	if (iTypefaces.Count() == KMaxLinkedTypefaces)

		User::Leave(KErrOverflow);

	TInt err = iTypefaces.Find(&aElementSpec);

	if (err != KErrNotFound)

		User::Leave(KErrAlreadyExists);

	if (aElementSpec.Canonical() && CanonicalIndex() >= 0)

		User::Leave(KErrArgument);

	if (GroupById(aElementSpec.GroupId()) == NULL)

		User::Leave(KErrArgument);

	err = iTypefaces.Insert(&aElementSpec, aPos);

	User::LeaveIfError(err);

	}

EXPORT_C void COpenFontLinkedTypefaceSpecification::AddLinkedTypefaceGroupL(CLinkedTypefaceGroup& aGroup)

	{

	if (iGroups.Count() == KMaxLinkedTypefaceGroups)

		User::Leave(KErrOverflow);

	for (TInt i = iGroups.Count()-1 ; i >= 0 ; i--)

		{

		if (iGroups[i]->GroupId() == aGroup.GroupId())

			User::Leave(KErrAlreadyExists);

		}

	iGroups.AppendL(&aGroup);

	}

EXPORT_C TInt COpenFontLinkedTypefaceSpecification::RemoveLinkedTypefaceGroup(TInt aGroupId)

	{

	//Search for & remove the group if it exists

	CLinkedTypefaceGroup* remove = GroupById(aGroupId);

	//If the group has been found & removed remove all associated typefaces

	if (remove)

		{

		COpenFontLinkedTypefaceElementSpec* elementSpec;

		for (TInt i = iTypefaces.Count()-1 ; i >= 0 ; i--)

			{

			elementSpec = iTypefaces[i];

			if (elementSpec->GroupId() == aGroupId)

				RemoveTypeface(i);

			}

		iGroups.Remove(iGroups.Find(remove));

		delete remove;

		return KErrNone;

		}

	return KErrNotFound;

	}

EXPORT_C CLinkedTypefaceGroup* COpenFontLinkedTypefaceSpecification::GroupById(TInt aGroupId) const

	{

	TInt index;

	TBool found = EFalse;

	for (index = iGroups.Count()-1; index != -1 ; index--)

		{

		if (iGroups[index]->GroupId() == aGroupId)

			{

			found = ETrue;

			break;

			}

		}

	if (found)

		return iGroups[index];

	else

		return NULL;

	}

EXPORT_C const CLinkedTypefaceGroup* COpenFontLinkedTypefaceSpecification::Group(TInt aGroupIndex) const

	{

	if ( (aGroupIndex >= 0) && (aGroupIndex < iGroups.Count()) )

		return iGroups[aGroupIndex];

	else

		return NULL;

	}

EXPORT_C TInt COpenFontLinkedTypefaceSpecification::GroupCount() const

	{

	return iGroups.Count();

	}

COpenFontLinkedTypefaceSpecificationBody::COpenFontLinkedTypefaceSpecificationBody()

	{

	}

// destructor

COpenFontLinkedTypefaceSpecificationBody::~COpenFontLinkedTypefaceSpecificationBody()

	{

	delete iLinkedTypefaceName;

	iTypefaces.Reset();

	}

EXPORT_C COpenFontLinkedTypefaceElementSpec* COpenFontLinkedTypefaceElementSpec::NewLC(const TDesC& aElementName, TInt aGroupId)

	{

	COpenFontLinkedTypefaceElementSpec* self = new(ELeave)COpenFontLinkedTypefaceElementSpec(aGroupId);

	CleanupStack::PushL(self);

	self->ConstructL(aElementName);

	return self;

	}

EXPORT_C COpenFontLinkedTypefaceElementSpec::~COpenFontLinkedTypefaceElementSpec()

	{

	delete iElementName;

	delete iFileName;

	}