/*

* 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 "cntdefaultviewmanager.h"

#include "cntabstractviewfactory.h"

#include <cntabstractview.h>

#include "cntmainwindow.h"

#include <hbview.h>

#include <hbmainwindow.h>

#include <qtcontacts.h>

#include "cntviewnavigator.h"

#include "cntsimutility.h"

#include "cntdebug.h"

#include <QApplication>

#include "cntdefaultengine.h"

CntDefaultViewManager::CntDefaultViewManager( HbMainWindow* aWindow ) : QObject(),

    mFactory(NULL),

    mCurrent(NULL),

    mOldView(NULL),

    mNavigator(NULL),

    mMainWindow( aWindow ),

    mSimUtility(NULL),

    mEngine(NULL)

{

    CNT_ENTRY

    mEngine = new CntDefaultEngine( *this );

    int error = -1;

    mSimUtility = new CntSimUtility(CntSimUtility::AdnStore, error);

    if (error != 0) 

    {

        delete mSimUtility; 

        mSimUtility = 0;

    }

    CNT_EXIT

}

CntAbstractEngine& CntDefaultViewManager::engine()

{

    return *mEngine;

}

CntDefaultViewManager::~CntDefaultViewManager()

{

    CNT_ENTRY

    cleanup();

    delete mEngine;

    CNT_EXIT

}

void CntDefaultViewManager::cleanup()

{

    CNT_ENTRY

    mOldView = mCurrent;

    mCurrent = NULL;

    deleteOldView();

    qDeleteAll(mBackends);

    mBackends.clear();

    qDeleteAll(mDefaults.values());

    mDefaults.clear();

    delete mFactory;

    mFactory = NULL;

    delete mSimUtility;

    mSimUtility = NULL;

    CNT_EXIT

}

void CntDefaultViewManager::setViewFactory( CntAbstractViewFactory* aFactory ) 

{

    CNT_ENTRY

    if ( aFactory )

    {

        if (mFactory) {

            delete mFactory;

        }

        mFactory = aFactory;

    }

    CNT_EXIT

}

void CntDefaultViewManager::setViewNavigator( CntViewNavigator* aNavigator )

{

    CNT_ENTRY

    if ( aNavigator )

    {

        if (mNavigator) {

            delete mNavigator;

        }

        mNavigator = aNavigator;

    }

    CNT_EXIT

}

void CntDefaultViewManager::back(const CntViewParameters aArgs, bool toRoot)

{

    CNT_ENTRY

    mArgs.clear();

    QFlags<Hb::ViewSwitchFlag> flags;

    int back = mNavigator->back( flags, toRoot );

    foreach( int k, aArgs.keys() )

    {

        mArgs.insert( k, aArgs.value(k) );

    }

    mArgs.insert(EViewId, back );

    if (mArgs.value(EViewId).toInt() != noView)

    {

        switchView( mArgs, flags );

    }

    else 

    {

        // exiting application

        cleanup();

        closeApp();

    }

    CNT_EXIT

}

void CntDefaultViewManager::closeApp()

{

    CNT_ENTRY

    qApp->quit();

    CNT_EXIT

}

void CntDefaultViewManager::changeView(const CntViewParameters aArgs)

{

    CNT_ENTRY

    QFlags<Hb::ViewSwitchFlag> flags;

    mNavigator->next(aArgs.value(EViewId).toInt(), flags);

    switchView(aArgs, flags);

    CNT_EXIT

}

/*

QContactManager* CntDefaultViewManager::contactManager( const QString& aType )

{

    CNT_ENTRY

    foreach ( QContactManager* mgr, mBackends ) 

    {

        QString uri = mgr->managerUri();

        if ( aType.compare(uri, Qt::CaseInsensitive) == 0 )

        {

            return mgr;

        }

    }

    QContactManager* manager = QContactManager::fromUri( aType );

    if ( manager )

    {

        mBackends.append( manager );

    }

    CNT_EXIT

    return manager;

}

*/

void CntDefaultViewManager::removeCurrentView()

{

    CNT_ENTRY

    if (mOldView) 

    {

        connect(mMainWindow, SIGNAL(viewReady()), this, SLOT(deleteOldView()));

    }

    CNT_EXIT

}

void CntDefaultViewManager::deleteOldView()

{

    CNT_ENTRY

    disconnect(mMainWindow, SIGNAL(viewReady()), this, SLOT(deleteOldView()));

    if (mOldView)

    {

        mOldView->deactivate();

        HbView* oldView = mOldView->view();

        mMainWindow->removeView( oldView );

        if (!mOldView->isDefault())

        {

            delete mOldView;

            mOldView = NULL;

        }

        // If view id is not in defaults list, it means that view has changed

        // its opinnion about preserving state to true.

        else if ( !mDefaults.contains(mOldView->viewId()) ) 

        {

            mDefaults.insert( mOldView->viewId(), mOldView );

        }

    }

    CNT_EXIT

}

void CntDefaultViewManager::switchView(const CntViewParameters aArgs, QFlags<Hb::ViewSwitchFlag> flags)

{

    CNT_ENTRY

    int id = aArgs.value(EViewId).toInt();

    if ( id != noView )

    {

        CntAbstractView* nextView(NULL);

        if (mDefaults.contains(id))

        {

            nextView = mDefaults.value(id);

        }

        else

        {

            nextView = mFactory->createView( id );

            nextView->setEngine( *mEngine );

            if (nextView->isDefault())

            {

                mDefaults.insert(id, nextView);

            }

        }

        mOldView = mCurrent;

        mCurrent = nextView;

        mMainWindow->addView(mCurrent->view());

        mMainWindow->setCurrentView(mCurrent->view(), true, flags);

        mCurrent->activate(aArgs);

        removeCurrentView();

    }

    CNT_EXIT

}

int CntDefaultViewManager::currentViewId()

{

    return mCurrent->viewId();

}

// End of File