/*

* 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:

*

*/

// USER INCLUDES

#include "lcviewmanager_p.h"

#include "lcuicomponentrepository.h"

#include "lcuidefs.h"

#include "lcuiengine.h"

#include "lcview.h"

#include "lclogger.h"

// SYSTEM INCLUDES

#include <hbmainwindow.h>

#include <hbdialog.h>

#include <hbaction.h>

#include <qcoreapplication.h>

// CONSTANTS

#define LC_VIEWMANAGER_SLOT_ACTIVATE_CURRENT_VIEW "activateCurrentView" 

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

// LcMainWindow::LcMainWindow

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

//

LcMainWindow::LcMainWindow() : 

    HbMainWindow(0, Hb::WindowFlagFixedHorizontal | Hb::WindowFlagTransparent)

{

    // TODO: remove flag WindowFlagFixedHorizontal if portait layout

    // is going to be supported.

}

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

// LcMainWindow::~LcMainWindow

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

//

LcMainWindow::~LcMainWindow()

{

}

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

// LcMainWindow::event

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

//

bool LcMainWindow::event(QEvent *event)

{

    if ( event->type() == QEvent::FocusIn ){

        LC_QDEBUG( "livecomms [UI] -> LcMainWindow::event(), focus in" )

        emit appFocusGained();

    } else if ( event->type() == QEvent::FocusOut ){

        LC_QDEBUG( "livecomms [UI] -> LcMainWindow::event(), focus out" )

        emit appFocusLost();

    }

    return HbMainWindow::event(event);

}

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

// LcViewManagerPrivate::LcViewManagerPrivate

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

//

LcViewManagerPrivate::LcViewManagerPrivate(

    const QString& engineName,

    const QString& applicationDisplayName) :

    mEngine( 0 ),

    mRepository( 0 )

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::LcViewManagerPrivate()" )

    mEngine = new LcUiEngine( engineName, applicationDisplayName );

    mRepository = new LcUiComponentRepository( *mEngine );

    setCurrentView( true );

    // TODO: ignore orientation change at the moment, enable later

    /*connect( &mMainWindow, SIGNAL( orientationChanged(Qt::Orientation) ), 

            this, SLOT( updateLayout() ) );    

    connect( &mMainWindow, SIGNAL( aboutToChangeOrientation() ), 

            this, SLOT( prepareOrientationChange() ) );

    */

    connect(&mMainWindow, SIGNAL(appFocusGained()), mEngine, SLOT(maximize()));

    connect(&mMainWindow, SIGNAL(appFocusLost()), mEngine, SLOT(minimize()));

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::LcViewManagerPrivate()" )

}

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

// LcViewManagerPrivate::~LcViewManagerPrivate

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

//

LcViewManagerPrivate::~LcViewManagerPrivate()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::~LcViewManagerPrivate()" )

    QList<HbView *> views = mMainWindow.views();

    foreach( HbView* view, views ){

        mMainWindow.removeView(view);

    }

    delete mRepository;

    delete mEngine;

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::~LcViewManagerPrivate()" ) 

}

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

// LcViewManagerPrivate::terminateSession

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

//

void LcViewManagerPrivate::terminateSession()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::terminateSession" )

    mEngine->stop(); 

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::terminateSession" )

}

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

// LcViewManagerPrivate::updateLayout

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

//

void LcViewManagerPrivate::updateLayout()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::updateLayout()" )

    if ( mMainWindow.currentView() ) {

        LcView* currentView = static_cast<LcView*>( mMainWindow.currentView() );

        QString layout = currentView->currentLayout();

        mRepository->loadLayout( layout );

        currentView->updateUiElements();

        currentView->updateVideoRects();

    }

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::updateLayout()" )

}

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

// LcViewManagerPrivate::prepareOrientationChange

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

//

void LcViewManagerPrivate::prepareOrientationChange()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::prepareOrientationChange()" )

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::prepareOrientationChange()" )

}

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

// LcViewManagerPrivate::activateCurrentView

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

//

void LcViewManagerPrivate::activateCurrentView(bool startup)

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::activateCurrentView()" )

    if ( mMainWindow.currentView() ) {

        static_cast<LcView*>( mMainWindow.currentView() )->activated();

    }

    if ( startup ){

        LC_QDEBUG( "livecomms [UI]  Start engine" )

        startEngine();

    }

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::activateCurrentView()" )

}

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

// LcViewManagerPrivate::startEngine

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

//

void LcViewManagerPrivate::startEngine()

{

    connect(mEngine, SIGNAL(layoutChanged()), this, SLOT(changeView()), 

        Qt::QueuedConnection );

    connect(mEngine, SIGNAL(stopped()), this, SLOT(closeApp()), 

        Qt::QueuedConnection );

    mEngine->setUiComponents( mRepository->invitingNote(), 

                              mRepository->waitingNote(), 

                              mRepository->acceptQuery(), 

                              mRepository->recipientQuery(),

                              mRepository->shareOwnVideoQuery() );    

    mEngine->start();

}

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

// LcViewManagerPrivate::setCurrentView

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

//

void LcViewManagerPrivate::setCurrentView(bool startup)

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::setCurrentView()" )

    LcView* currView = currentView();

    bool found(false);

    foreach ( HbView* view, mMainWindow.views() ){

        found |= ( view == currView );

    }

    if ( !found ){

        mMainWindow.addView( currView );

    }

    mMainWindow.setCurrentView( currView );

    LcUtil::asyncSlotCall( 

        this, LC_VIEWMANAGER_SLOT_ACTIVATE_CURRENT_VIEW, Q_ARG( bool, startup ) );

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::setCurrentView()" )

}

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

// LcViewManagerPrivate::currentView

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

//

LcView* LcViewManagerPrivate::currentView()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::currentView()" )

    LcViewLayoutHint hint = mEngine->viewLayout();

    LcView* nextView = 0;

    switch ( hint ) {

        case Lc_ReceivedViewLayout:

            LC_QDEBUG( "livecomms [UI] - switching to receive view -" )

            nextView = mRepository->receiveView();

            break;

        case Lc_ReceivedOnlyViewLayout:

            LC_QDEBUG( "livecomms [UI] - switching to receive only view -" )

            nextView = mRepository->receiveOnlyView();

            break;

        case Lc_AllInOneViewLayout:

            LC_QDEBUG( "livecomms [UI] - switching to allinone view -" )

            nextView = mRepository->allInOneView();

            break;

        case Lc_TwowayViewLayout:

            LC_QDEBUG( "livecomms [UI] - switching to twoway view -" )

            nextView = mRepository->twowayView();

            break;

        case Lc_SharedViewLayout:

            LC_QDEBUG( "livecomms [UI] - switching to send view -" )

            nextView = mRepository->sendView();

            break;

        default:

            LC_QDEBUG( "livecomms [UI] - switching to idle view -" )

            nextView = mRepository->idleView();

            break;

    }

    if ( !nextView && hint > Lc_IdleViewLayout ) {

        LC_QDEBUG( "livecomms [UI] ! could not get view !" )

        LC_QDEBUG( "livecomms [UI] - switching to idle view -" )

        nextView = mRepository->idleView();

    }

    if ( !nextView ) {

        LC_QCRITICAL( "livecomms [UI] ! still could not get view !. ABORT" )

        LC_PANIC();

    }

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::currentView()" )

    return nextView;

}

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

// LcViewManagerPrivate::changeView

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

//

void LcViewManagerPrivate::changeView()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::changeView()" )

    LcView* currentView = static_cast<LcView*>( mMainWindow.currentView() );

    currentView->deactivated();

    setCurrentView();

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::changeView()" )

}

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

// LcViewManagerPrivate::closeApp

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

//

void LcViewManagerPrivate::closeApp()

{

    LC_QDEBUG( "livecomms [UI] -> LcViewManagerPrivate::closeApp()" )

    qApp->exit(0);

    LC_QDEBUG( "livecomms [UI] <- LcViewManagerPrivate::closeApp()" )

}

// End of file