/*

 * 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 <hsmenueventtransition.h>

#include "hsaddtohomescreenstate.h"

#include "hsaddappstocollectionstate.h"

#include "hsdeletecollectionstate.h"

#include "hsdeletecollectionitemstate.h"

#include "hsmenuworkerstate.h"

#include "hscollectionnamestate.h"

#include "hsarrangestate.h"

#include "hspreviewhswidgetstate.h"

/*!

 \class HsMenuWorkerState

 \ingroup group_hsmenustateplugin

 \brief Menu Worker State.

 */

/*!

 Constructor.

 \param parent Owner.

 */

HsMenuWorkerState::HsMenuWorkerState(QState *parent) :

    QState(parent), mInitialState(0)

{

    construct();

}

/*!

 Destructor.

 */

HsMenuWorkerState::~HsMenuWorkerState()

{

}

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

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

//

void HsMenuWorkerState::construct()

{

    HSMENUTEST_FUNC_ENTRY("HsMenuWorkerState::construct");

    setObjectName("homescreen.nokia.com/state/MenuWorkerState");

    mInitialState = new QState(this);

    setInitialState(mInitialState);

    // use templated creation method - less boilerplate code

    createChildState<HsAddToHomeScreenState> (HsMenuEvent::AddToHomeScreen);

    createChildState<HsDeleteCollectionState> (

        HsMenuEvent::DeleteCollection);

    createChildState<HsDeleteCollectionItemState> (

        HsMenuEvent::RemoveAppFromCollection);

    createChildState<HsArrangeState> (HsMenuEvent::ArrangeCollection);

    // create a new child state based on the template

    HsCollectionNameState *newChildState = new HsCollectionNameState(this);

    // create a transition to the new child state which will be triggered by

    // an event with specified operation type

    HsMenuEventTransition *renameCollectionTransition =

        new HsMenuEventTransition(HsMenuEvent::RenameCollection,

                                  mInitialState, newChildState);

    mInitialState->addTransition(renameCollectionTransition);

    HsMenuEventTransition *createCollectionTransition =

        new HsMenuEventTransition(HsMenuEvent::CreateCollection,

                                  mInitialState, newChildState);

    mInitialState->addTransition(createCollectionTransition);

    // set a transition to the initial state after child processing finished

    newChildState->addTransition(mInitialState);

    HsAddAppsToCollectionState *addAppsToCollectionState =

        new HsAddAppsToCollectionState(this);

    // create a transition to the new child state which will be triggered by

    // an event with specified operation type

    HsMenuEventTransition *addAppsToCollectionTransition =

        new HsMenuEventTransition(HsMenuEvent::AddAppsToCollection,

                                  mInitialState, addAppsToCollectionState);

    mInitialState->addTransition(addAppsToCollectionTransition);

    // set a transition to the initial state after child processing finished

    addAppsToCollectionState->addTransition(addAppsToCollectionState,

                                            SIGNAL(finished()), mInitialState);

    createChildState<HsPreviewHSWidgetState> (HsMenuEvent::PreviewHSWidget);

    HSMENUTEST_FUNC_EXIT("HsMenuWorkerState::construct");

}

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

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

//

template<class T>

T *HsMenuWorkerState::createChildState(

    HsMenuEvent::OperationType operation)

{

    HSMENUTEST_FUNC_ENTRY("HsMenuWorkerState::createChildState");

    // create a new child state based on the template

    T *newChildState = new T(this);

    // create a transition to the new child state which will be triggered by

    // an event with specified operation type

    HsMenuEventTransition *newChildStateTransition =

        new HsMenuEventTransition(operation, mInitialState, newChildState);

    mInitialState->addTransition(newChildStateTransition);

    // set a transition to the initial state after child processing finished

    newChildState->addTransition(mInitialState);

    HSMENUTEST_FUNC_EXIT("HsMenuWorkerState::createChildState");

    return newChildState;

}