/*

* 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: 

* TestLayout.cpp test jig for CTmTextLayout

*

*/

#include "TestLayout.h"

#include "TGraphicsContext.h"

#include "TMINTERP.H"

#include <txtrich.h>

#include <e32test.h>

/**

Constructor.

@param aRichText

	Text to be formatted.

@param aDeviceMap

	Formatting and drawing device.

@internalComponent

*/

CETextSource::CETextSource(const CRichText& aRichText,

	MGraphicsDeviceMap* aDeviceMap)

	: iRichText(&aRichText), iDeviceMap(aDeviceMap)

	{

	}

/**

Gets the length of the document.

@return

	The number of Unicode UTF16 codes in the document.

@internalComponent

*/

TInt CETextSource::DocumentLength() const

	{

	return iRichText->DocumentLength();

	}

/**

Gets a run of text of constant formatting.

@param aPos

	Start of the text to get.

@param aText

	Segment of text to return.

@param aFormat

	Format of the segment of text.

@internalComponent

*/

void CETextSource::GetText(TInt aPos, TPtrC& aText, TTmCharFormat& aFormat) const

	{

	TCharFormat characterFormat;

	iRichText->GetChars(aText, characterFormat, aPos);

	aFormat = characterFormat;

	}

/**

Gets the format of the paragraph at aPos.

@param aPos

	Character index.

@param aFormat

	Returns the format.

@internalComponent

*/

void CETextSource::GetParagraphFormatL(TInt aPos, RTmParFormat& aFormat) const

	{

	CParaFormat* format = CParaFormat::NewLC();

	iRichText->GetParagraphFormatL(format, aPos);

	aFormat.CopyL(*format);

	CleanupStack::PopAndDestroy(format);

	}

/**

Returns the start of the paragraph containing aPos.

@param aPos

	Character index.

@return

	Character index of the start of the paragraph.

@internalComponent

*/

TInt CETextSource::ParagraphStart(TInt aPos) const

	{

	iRichText->ParagraphNumberForPos(aPos);

	return aPos;

	}

/**

Gets a pointer to the picture at aPos.

@param aPos

	Character index.

@return

	A pointer to the picture at aPos if there is one. 0 otherwise.

@internalComponent

*/

CPicture* CETextSource::PictureL(TInt aPos) const

	{

	return iRichText->PictureHandleL(aPos);

	}

/**

Creates a new CTestTmTextLayout.

@param aText

	Text to format.

@param aWrapWidth

	Width to format at.

@return

	The newly constructed object.

@internalComponent

*/

CTestTmTextLayout* CTestTmTextLayout::NewLC(

	const CRichText& aText, TInt aWrapWidth)

	{

	CTestTmTextLayout* r = new CTestTmTextLayout;

	CleanupStack::PushL(r);

	r->ConstructL(aText, aWrapWidth);

	return r;

	}

/**

Creates a new CTestTmTextLayout.

@param aText

	Text to format.

@param aWrapWidth

	Width to format at.

@param aTransliterate

	Function to transform aText with if required. 0 if no transformation is to

	take place.

@return

	The newly constructed object.

@internalComponent

*/

CTestTmTextLayout* CTestTmTextLayout::NewLC(

	const TDesC& aText, TInt aWrapWidth, TransliterationFn* aTransliterate)

	{

	CTestTmTextLayout* r = new CTestTmTextLayout;

	CleanupStack::PushL(r);

	r->iParagraphFormatLayer = CParaFormatLayer::NewL();

	r->iCharacterFormatLayer = CCharFormatLayer::NewL();

	HBufC* buf = HBufC::NewLC(aText.Length());

	TPtr des = buf->Des();

	if (aTransliterate)

		aTransliterate(aText, des);

	else

		des.Copy(aText);

	r->iRichText = CRichText::NewL(

		r->iParagraphFormatLayer, r->iCharacterFormatLayer);

	r->iRichText->InsertL(0, *buf);

	CleanupStack::PopAndDestroy(buf);

	r->ConstructL(*r->iRichText, aWrapWidth);

	return r;

	}

/**

Destructor.

@internalComponent

*/

CTestTmTextLayout::~CTestTmTextLayout()

	{

	delete iLayout;

	delete iSource;

	delete iDevice;

	delete iRichText;

	delete iCharacterFormatLayer;

	delete iParagraphFormatLayer;

	}

/**

Constructs a new CTestTmTextLayout.

@param aText

	Text to format.

@param aWrapWidth

	Width to format at.

@return

	The newly constructed object.

@internalComponent

*/

void CTestTmTextLayout::ConstructL(const CRichText& aText, TInt aWrapWidth)

	{

	iLayout = new (ELeave) CTmTextLayout;

	TSize screen(aWrapWidth, 100);

	iDevice = CTestGraphicsDevice::NewL(screen, 0);

	iSource = new (ELeave) CETextSource(aText, iDevice);

	iFormatParam.iWrapWidth = aWrapWidth;

	iFormatParam.iFlags = TTmFormatParamBase::EWrap;

	iLayout->SetTextL(*iSource, iFormatParam);

	}

/**

Reformats the text.

@param aIn

	Reformatting parameters.

@param aOut

	Reformatting result.

@internalComponent

*/

void CTestTmTextLayout::FormatL(const TTmReformatParam& aIn, TTmReformatResult& aOut)

	{

	iLayout->FormatL(iFormatParam, aIn, aOut);

	}

/**

@SYMTestCaseID          SYSLIB-FORM-UT-1887

@SYMTestCaseDesc        Testing CTmTextLayout::FindAdjacentChunks() API

@SYMTestPriority        Low

@SYMTestActions         Tests by finding the text chunks adjoining a given document position. When pos=-1,FindAdjacentChunks() returns false

@SYMTestExpectedResults Tests must not fail

@SYMREQ                 REQ0000

*/

void CTestTmTextLayout::TestAdjacentChunks()

	{

	RTest test(_L(" @SYMTestCaseID:SYSLIB-FORM-UT-1887  FindAdjacentChunks"));

	for (TInt pos = -1; pos != 4; ++pos)

		{

		for (TInt type = 0; type != 4; ++type)

			{

			TTmDocPosSpec posSpec(pos,static_cast<TTmDocPosSpec::TType>(type));

			CTmTextLayout::TTmChunkDescription left;

			CTmTextLayout::TTmChunkDescription right;

			TBool result = iLayout->FindAdjacentChunks(posSpec,left,right);

			if(pos==-1)

			test(result==0);

			}

		}

		test.Close();

	}