/*

* 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:  CCSXHDocument class definition

*

*/

#include "CSXHDocument.h"

#include "CSXHAppUi.h"

#include "CSXHHelpDataBase.h"

#include "CSXHKywdTOC1.h"

#include "CSXHViewIDs.h"

#include <eikprogi.h>

#include <cshelp.rsg>

#include <AknProgressDialog.h>

// Standard Symbian OS construction sequence

CCSXHDocument* CCSXHDocument::NewL(CEikApplication& aApp)

    {

    CCSXHDocument* self = NewLC(aApp);

    CleanupStack::Pop(self);

    return self;

    }

CCSXHDocument* CCSXHDocument::NewLC(CEikApplication& aApp)

    {

    CCSXHDocument* self = new (ELeave) CCSXHDocument(aApp);

    CleanupStack::PushL(self);

    return self;

    }

CCSXHDocument::CCSXHDocument(CEikApplication& aApp) : CAknDocument(aApp)

    {// no implementation required

    }

CCSXHDocument::~CCSXHDocument()

    {

	delete iHelpDataBase;

    }

CEikAppUi* CCSXHDocument::CreateAppUiL()

    {

    // Create the application user interface, and return a pointer to it,

    // the framework takes ownership of this object. ConstructL of the AppUi

    // object will be called by the Application Framework

    iHelpAppUi = new (ELeave) CCSXHAppUi;

    HBufC* appToc = CCSXHAppUi::GetCoeEnv()->AllocReadResourceLC( R_CSHELP_TOC_APP_HELPS );

    iHelpDataBase = CCSXHHelpDataBase::NewL(CCSXHAppUi::GetCoeEnv(),AppCaption(), *appToc);

    CleanupStack::PopAndDestroy( appToc );

	iDisplayTopic = iHelpDataBase->GetMainTopics();

	iPrevTopic = NULL;

	iProgressDialog = NULL;

    return iHelpAppUi;

    }

// --------------------------------------------------------------------------

// Sets the topic to be displayed next

// --------------------------------------------------------------------------

void CCSXHDocument::SetDisplayTopic(CCSXHHelpContentBase* aDisplayTopic)

	{

	iDisplayTopic = aDisplayTopic;

	iPrevTopic = NULL;

	if(iDisplayTopic == NULL)

		iDisplayTopic = iHelpDataBase->GetMainTopics();

	}

// --------------------------------------------------------------------------

// Sets the topic to be displayed next and the previous topic

// The previous topic is needed to highlight the correct item in the listbox

// --------------------------------------------------------------------------

void CCSXHDocument::SetDisplayAndPrevTopic(CCSXHHelpContentBase* aDisplayTopic)

	{

	iPrevTopic = iDisplayTopic;

	iDisplayTopic = aDisplayTopic;

	if(iDisplayTopic == NULL)

		iDisplayTopic = iHelpDataBase->GetMainTopics();

	}

void CCSXHDocument::SendMessageToAppUiL(TInt aCommand)

	{

	iHelpAppUi->ProcessCommandL(aCommand);

	}

// --------------------------------------------------------------------------

// Sets the context topic as the next topic to be displayed

// --------------------------------------------------------------------------

TBool CCSXHDocument::SetContextTopicAsDisplayTopicL(const TDesC8& aContextMessage)

	{

	CCSXHHelpContentBase* topic = iHelpDataBase->GetContextTopic(aContextMessage);

	if(topic)

		{

		SetDisplayTopic(topic);	

		return ETrue;

		}

	return EFalse;

	}

CCSXHHelpContentBase* CCSXHDocument::GetHtmlTopicForUrlL(const TDesC& url)

	{

	return iHelpDataBase->GetHtmlTopicForUrlL(url);

	}

void CCSXHDocument::InitProgressBarL()

	{

    iProgressDialog = new(ELeave)CAknProgressDialog(

                           REINTERPRET_CAST(CEikDialog**,&iProgressDialog));

    iProgressDialog->PrepareLC(R_CSHELP_SEARCH_PROGRESS_NOTE);

    CEikProgressInfo* pBar = iProgressDialog->GetProgressInfoL();

    iTotalKeywordsInResultView = iHelpDataBase->InitGenerateKeywordTOC2ListL(

    									STATIC_CAST(CCSXHKywdTOC1*,iDisplayTopic));

    pBar->SetFinalValue(iTotalKeywordsInResultView);

 	iIdle = CIdle::NewL(CActive::EPriorityLow);

    TCallBack callback(CallBack, this);

    iIdle->Start(callback);

    iProgressDialog->RunDlgLD(CAknNoteDialog::ENoTone);  

	}

void CCSXHDocument::FreeProgressBarL()

	{

	delete iIdle;

    iIdle = NULL;

    if(iProgressDialog)

    	{

    	iProgressDialog->ProcessFinishedL();

		iProgressDialog = NULL;

    	}

	}

TInt CCSXHDocument::CallBack(TAny* aThis)

    {

    TInt err(KErrNone);

    TBool res(EFalse);

    CCSXHDocument* self = STATIC_CAST(CCSXHDocument*, aThis);

    TRAP( err, res = self->DoCallBackL() );

    if(err != KErrNone )

    	{

    	TRAP_IGNORE(self->FreeProgressBarL());

    	}

    return res;

    }

TBool CCSXHDocument::DoCallBackL()

    {

    if(!iProgressDialog)

        {

        delete iIdle;

        iIdle = NULL;

        return EFalse;

        }

    CEikProgressInfo* pBar= iProgressDialog->GetProgressInfoL();

    pBar->SetAndDraw(iHelpDataBase->GetKeywordSearchCount());

    if(iHelpDataBase->GetKeywordSearchCount() >= iTotalKeywordsInResultView)

    	{

    	FreeProgressBarL();

    	return EFalse;

    	}

    return ETrue;    

    }