/*

* Copyright (c) 2006 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:  CCSXHHelpDataBase class definition

*

*/

#include "CSXHHelpDataBase.h"

#include "CSXHHTMLContentParser.h"

#include "CSXHLegacyContentParser.h"

#include "CSXHViewIDs.h"

#include "CSXHGenericTOC2.h"

#include "CSXHKywdTOC1.h"

#include "CSXHMainTopics.h"

#include "CSXHKywdTopics.h"

#include "CsHelpCmdLineParser.h"

#include "CSXHContextTopic.h"

#include "coehelp.h" 

#include <eikprogi.h>

#include <utf.h>

#include <bautils.h>

#include <data_caging_path_literals.hrh>

#include <eikenv.h> 

#include <eikprogi.h>

#include <AknProgressDialog.h>

EXPORT_C CCSXHHelpDataBase* CCSXHHelpDataBase::NewL(CCoeEnv* aCoeEnv,

	const TApaAppCaption& aAppCaption, const TApaAppCaption& aAppHelpTopic)

    {

    CCSXHHelpDataBase* self = CCSXHHelpDataBase::NewLC(aCoeEnv,aAppCaption, aAppHelpTopic);

    CleanupStack::Pop(self);

    return self;    

    }

CCSXHHelpDataBase* CCSXHHelpDataBase::NewLC(CCoeEnv* aCoeEnv, const TApaAppCaption& aAppCaption, const TApaAppCaption& aAppHelpTopic)

    {

    CCSXHHelpDataBase *self = NULL;

    //Add stuff into TLS

    if(Dll::Tls() == NULL )

        {

        // TLS is still null, which means that no Singleton has

        // been instantiated yet. Do so now, and return that

        // instance:

        // Store a pointer to the new instance in thread local storage:

        self = new(ELeave) CCSXHHelpDataBase(aCoeEnv,aAppCaption, aAppHelpTopic);

        CleanupStack::PushL(self);

        self->ConstructL();

        TInt err = Dll::SetTls(self);

        if (err != KErrNone)

            {

            CleanupStack::Pop(self);            

            delete self;

            self = NULL;

            User::Leave(err);

            }

        }

     else

        {

        self = GetInstance();

        }

    return self;

    }

CCSXHHelpDataBase* CCSXHHelpDataBase::GetInstance()

    {

    // Singleton has been instantiated once already, so return

    // that instance:

    return static_cast<CCSXHHelpDataBase*>(Dll::Tls());

    }

CCSXHHelpDataBase::CCSXHHelpDataBase(CCoeEnv* aCoeEnv, const TApaAppCaption& aAppCaption, const TApaAppCaption& aAppHelpTopic)

             : iCoeEnv(aCoeEnv), iAppCaption(aAppCaption), iAppHelpTopic(aAppHelpTopic), iKeywordSearchCount(0)

    {

    }

CCSXHHelpDataBase::~CCSXHHelpDataBase()

    {

    delete iMainTOC1;

    delete iKywdTOC1;

    delete iLastContextTopic;   

    delete iHTMLContentParser;

    delete iLegacyContentParser;

    Dll::SetTls( NULL );

    }

void CCSXHHelpDataBase::ConstructL()

    {

    iHTMLContentParser = CCSXHHTMLContentParser::NewL(iCoeEnv);

    iLegacyContentParser = CCSXHLegacyContentParser::NewL(this);

    iMainTOC1 = CCSXHMainTopics::NewL(KCSXHToc1ViewID,iAppCaption);

    iKywdTOC1 = CCSXHKywdTopics::NewL(iAppCaption);

    //No need to delete iAppHelpsToc in destruct,

    //because it will be deleted when deleting iMainTOC1.

    //All third-party helps will be put to this topic

    TInt appHelpPriority = 20001;

    iAppHelpsToc = CCSXHMainTopics::NewL( KCSXHToc1AppHelpsViewID, iAppHelpTopic, appHelpPriority );

    //Build the TOC1 list here

    iMainTOC1->InsertChildWithPriority(iAppHelpsToc, EFalse);

    iHTMLContentParser->GenerateTOC1ListL(this);

    iLegacyContentParser->GenerateTOC1ListL(this);

    }

CCoeEnv* CCSXHHelpDataBase::GetCoeEnv()

    {

    return iCoeEnv;

    }

EXPORT_C CCSXHGenericTOC1* CCSXHHelpDataBase::GetMainTopics()

    {

    return iMainTOC1;   

    }

EXPORT_C CCSXHGenericTOC1* CCSXHHelpDataBase::GetKywdTopics()

    {

    return iKywdTOC1;

    }

EXPORT_C CCSXHGenericTOC1* CCSXHHelpDataBase::GetAppHelpsTopics()

    {

    return iAppHelpsToc;   

    }

EXPORT_C CCSXHHelpContentBase* CCSXHHelpDataBase::GetContextTopic(const TDesC8& aContextMessage)

    {

    TRAP_IGNORE(GetContextTopicL(aContextMessage));

    return iLastContextTopic;

    }

CCSXHHelpContentBase* CCSXHHelpDataBase::GetContextTopicL(const TDesC8& aContextMessage)

    {

    if(iLastContextTopic)

        {

        delete iLastContextTopic;

        iLastContextTopic = NULL;

        }

    //TSW Error Correction:Help: Application crashes 

    //after trying to re-open context-dependent help from application

    //Clear childlist of all (TOC1)parents.    

	ClearAllTOC1Contents();    

    CArrayFix<TCoeHelpContext>* contextList;

    CCsHlpCmdLineParser* parser = new(ELeave) CCsHlpCmdLineParser;

    CleanupStack::PushL(parser);

    parser->ConstructL(aContextMessage);

    contextList = parser->ContextListL();

    CleanupStack::PopAndDestroy(parser); // parser

    CleanupStack::PushL(contextList);

    CCSXHHelpContentBase* contextTopic;

    TInt numberOfContextList = contextList->Count();

    TCoeHelpContext* context;

    for (TInt i(0); i < numberOfContextList; i++)

        {

        context = &(contextList->At(i));

        contextTopic = iHTMLContentParser->GetContextTopicL(this, context->iMajor,context->iContext);

        if(contextTopic)

            {

            CleanupStack::PopAndDestroy(contextList);

            iLastContextTopic = CCSXHContextTopic::NewL(contextTopic);

            return iLastContextTopic;

            }

        }

    for (TInt i(0); i < numberOfContextList; i++)

        {

        context = &(contextList->At(i));

        contextTopic = iLegacyContentParser->GetContextTopic(*context);

        if(contextTopic)

            {

            CleanupStack::PopAndDestroy(contextList);

            iLastContextTopic = CCSXHContextTopic::NewL(contextTopic);

            return iLastContextTopic;

            }

        }

    CleanupStack::PopAndDestroy(contextList);    

    return NULL;

    }

EXPORT_C void CCSXHHelpDataBase::ClearAllTOC1Contents()

    {

    iMainTOC1->ResetChildList();

    iKywdTOC1->ResetChildList();

    }

CCSXHLegacyContentParser* CCSXHHelpDataBase::GetLegacyParser() 

    {

    return iLegacyContentParser;        

    }

CCSXHHTMLContentParser* CCSXHHelpDataBase::GetHtmlParser() 

    {

    return iHTMLContentParser;      

    }

void CCSXHHelpDataBase::InsertKeywordL(const TDesC& aKywdName, 

	TInt aLegacyKywdIndex, const TUid& aCatUid)

    {

    if(!iHTMLContentParser->IsUidCategoryPresent(aCatUid))

        iKwydBuilder->InsertKeywordL(iKywdTOC1,aKywdName,aLegacyKywdIndex);

    }

void CCSXHHelpDataBase::InsertKeywordL(const TDesC& aKywdName, CCSXHHtmlTOC1* aToc1)

    {

    iKwydBuilder->InsertKeywordL(iKywdTOC1,aKywdName,aToc1);

    }

CCSXHKywdTOC1* CCSXHHelpDataBase::InsertKeywordTopicL(CCSXHGenericTOC2* aToc2)

    {

    CCSXHKywdTOC1* toc1 = iKywdTOC1->GetSelectedTopic();

    InsertKeywordTopic(toc1,aToc2);

    return toc1;

    }

void CCSXHHelpDataBase::InsertKeywordTopic(CCSXHKywdTOC1* aToc1, CCSXHGenericTOC2* aToc2)

    {

    aToc1->InsertChild(aToc2);

    }

EXPORT_C TInt CCSXHHelpDataBase::InitGenerateKeywordTOC2ListL(CCSXHKywdTOC1* aTopic)

    {

    iKeywordSearchCount = 0;

    RPointerArray<CCSXHHtmlTOC1>* TOC1HtmlList = aTopic->GetHtmlTOC1List();

    TInt htmlCount = TOC1HtmlList ? TOC1HtmlList->Count() : 0;

    TInt legacyCount = iLegacyContentParser->InitGenerateTOC2ListForKeywordSearchL(aTopic);

    return (htmlCount + legacyCount);

    }

void CCSXHHelpDataBase::GenerateKeywordTOC2ListL(CCSXHKywdTOC1* aTopic)

    {

    iHTMLContentParser->GenerateTOC2ListForKeywordSearchL(this,aTopic);

 	iLegacyContentParser->GenerateTOC2ListForKeywordSearchL(aTopic);

    }

EXPORT_C CCSXHHelpContentBase* CCSXHHelpDataBase::GetHtmlTopicForUrlL(const TDesC& url)

    {

    return iHTMLContentParser->GetHtmlTopicForUrlL(url);

    }

void CCSXHHelpDataBase::FillKeywordTopicsL(MCSXHKywdBuilder* aBuilder)

    {

    iKwydBuilder = aBuilder;

    iHTMLContentParser->GenerateKywdTOC1ListL(this);

    iLegacyContentParser->GenerateKywdTOC1ListL(this);

    }

void CCSXHHelpDataBase::IncrementKeywordSearchCount(TInt aUnits)

	{

	iKeywordSearchCount += aUnits;

	}

EXPORT_C TInt CCSXHHelpDataBase::GetKeywordSearchCount()

	{

	return iKeywordSearchCount;

	}