/*

* Copyright (c) 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 <hbtoolbar.h>

#include <hbnotificationdialog.h>

#include <hbaction.h>

#include <hbapplication.h>

#include <hbactivitymanager.h>

#include "HelpBaseView.h"

#include "HelpCategoryView.h"

#include "HelpKeywordView.h"

#include "HelpContentsView.h"

#include "HelpMainWindow.h"

#include "HelpDataProvider.h"

HelpMainWindow::HelpMainWindow() : 

mCategoryView(NULL),

mKeywordView(NULL),

mContentsView(NULL)

{

    QObject::connect(qApp, SIGNAL(aboutToQuit()), this, SLOT(saveActivity()));

	HelpDataProvider::instance()->createHelpCategory();

    activateCategoryView();

}

HelpMainWindow::~HelpMainWindow()

{

    HelpDataProvider::destroyInstance();

}

void HelpMainWindow::onActivateView(HelpViewName viewName)

{

	switch(viewName)

	{

	    case HelpViewCategory:

            activateCategoryView();

			break;

	    case HelpViewKeyword:

            activateKeywordView();

			break;

	    case HelpViewContents:

            activateContentsView();

			break;

		case PreviousView:

			{

				onActivateView(mPreviousViewName);

			}

			break;

	    default:

			HbApplication::exit();

	        break;

	}

}

void HelpMainWindow::activateCategoryView()

{

    if(!mCategoryView)

    {

        mCategoryView = new HelpCategoryView();

        addView(mCategoryView);

        mCategoryView->init();

        emit currentViewChanged(mCategoryView);

		connectViewSignal(mCategoryView);

    }

	mPreviousViewName = HelpViewCategory;

    setCurrentView(mCategoryView);

}

void HelpMainWindow::activateKeywordView()

{

    if(!mKeywordView)

    {

        mKeywordView = new HelpKeywordView();

		addView(mKeywordView);

        mKeywordView->init();

		connectViewSignal(mKeywordView);

    }

	mPreviousViewName = HelpViewKeyword;	

    setCurrentView(mKeywordView);	

}

void HelpMainWindow::activateContentsView()

{

    if(!mContentsView)

    {

		mContentsView = new HelpContentsView();

		addView(mContentsView);

        mContentsView->init();

        connectViewSignal(mContentsView);

    }

    setCurrentView(mContentsView);

}

void HelpMainWindow::connectViewSignal(const HelpBaseView *view)

{

	connect(this, SIGNAL(orientationChanged(Qt::Orientation)), view, SLOT(onOrientationChanged(Qt::Orientation)));

    connect(view, SIGNAL(activateView(HelpViewName)), this, SLOT(onActivateView(HelpViewName)));

    connect(view, SIGNAL(showAllList()), this, SLOT(onShowAllList()));

    connect(view, SIGNAL(showFindList()), this, SLOT(onShowFindList()));

}

////////////////////////////////////////////////////////////////////////////////////

// handle view event

void HelpMainWindow::onShowAllList()

{

    activateCategoryView();

}

void HelpMainWindow::onShowFindList()

{	

    activateKeywordView();

	mKeywordView->loadAllContent();

}

void HelpMainWindow::saveActivity()

{

	HbActivityManager* activityManager = qobject_cast<HbApplication*>(qApp)->activityManager();

	// clean up any previous versions of this activity from the activity manager.

	bool ok = activityManager->removeActivity("UserGuideMainView");

	if ( !ok )

	{

		//qFatal("Remove failed" );

	}

	// get a screenshot for saving to the activity manager

	QVariantHash metadata;

	metadata.insert("screenshot", QPixmap::grabWidget(this, rect()));

	// save any data necessary to save the state

	QByteArray serializedActivity;

	QDataStream stream(&serializedActivity, QIODevice::WriteOnly | QIODevice::Append);

	// add the activity to the activity manager

	ok = activityManager->addActivity("UserGuideMainView", serializedActivity, metadata);

	if ( !ok )

	{

		qFatal("Add failed" );

	}

}

// end of file