/*

 * 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: Menu Application Library state.

 *

 */

#include <qsignaltransition.h>

#include <qhistorystate.h>

#include <hbmainwindow.h>

#include <hbview.h>

#include <hbaction.h>

#include <hbtoolbar.h>

#include <hbinstance.h>

#include <hblistview.h>

#include <hbsearchpanel.h>

#include <hsmenueventtransition.h>

#include "hstest_global.h"

#include "hsapplibrarystate.h"

#include "hsallappsstate.h"

#include "hsallcollectionsstate.h"

#include "hscollectionstate.h"

#include "hsovistorehandler.h"

#include "hsmenuview.h"

#include "hsmenumodetransition.h"

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

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

//

HsAppLibraryState::HsAppLibraryState(QState *parent) :

    QState(parent), mSecondarySoftkeyAction(0), mAllAppsState(0),

    mHistoryTransaction(0), mAllCollectionsState(0), mCollectionState(0),

    mMenuView(HbInstance::instance()->allMainWindows().value(0))

{

    construct();

}

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

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

//

HsAppLibraryState::~HsAppLibraryState()

{

    HbMainWindow *const hbW =

        HbInstance::instance()->allMainWindows().value(0);

    if (hbW) {

        hbW->removeView(mMenuView.view());

        hbW->removeSoftKeyAction(Hb::SecondarySoftKey,

                                 mSecondarySoftkeyAction);

    }

}

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

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

//

void HsAppLibraryState::construct()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::construct");

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

    mSecondarySoftkeyAction = new HbAction(Hb::BackAction, this);

    connect(mSecondarySoftkeyAction, SIGNAL(triggered()),

            SIGNAL(toHomescreenState()));

    mAllAppsState = new HsAllAppsState(mMenuView, this);

    connect(this, SIGNAL(entered()),mAllAppsState, SLOT(scrollToBeginning()));

    mAllCollectionsState = new HsAllCollectionsState(mMenuView, this);

    connect(this, SIGNAL(entered()),

            mAllCollectionsState, SLOT(scrollToBeginning()));

    QState *initialState = new QState(this);

    setInitialState(initialState);

    mHistoryTransaction =  new HsMenuModeTransition(

        mMenuView, NormalHsMenuMode, mAllAppsState);

    initialState->addTransition(mHistoryTransaction);

    initialState->addTransition(new HsMenuModeTransition(

                                    mMenuView, AddHsMenuMode, mAllAppsState));

    mCollectionState = new HsCollectionState(mMenuView, this);

    connect(mCollectionState, SIGNAL(entered()),SLOT(clearToolbarLatch()));

    HsMenuEventTransition *eventTransition =

        new HsMenuEventTransition(HsMenuEvent::OpenCollection,

                                  mAllCollectionsState, mCollectionState);

    mAllCollectionsState->addTransition(eventTransition);

    HsMenuEventTransition *collectionDeletedTransition =

        new HsMenuEventTransition(HsMenuEvent::CollectionDeleted,

                                  mCollectionState, mAllCollectionsState);

    mCollectionState->addTransition(collectionDeletedTransition);

    //transition for returning from collection

    HsMenuEventTransition *collectionToAppLibTransition =

        new HsMenuEventTransition(HsMenuEvent::OpenApplicationLibrary,

                                  mCollectionState, mAllCollectionsState);

    mCollectionState->addTransition(collectionToAppLibTransition);

    constructToolbar();

    connect(this, SIGNAL(entered()),SLOT(stateEntered()));

    connect(this, SIGNAL(exited()),SLOT(stateExited()));

    connect(mAllCollectionsState, SIGNAL(sortOrderChanged(HsSortAttribute)),

            mAllAppsState, SLOT(collectionsSortOrder(HsSortAttribute)));

    connect(mAllCollectionsState, SIGNAL(sortOrderChanged(HsSortAttribute)),

            mCollectionState, SLOT(collectionsSortOrder(HsSortAttribute)));

    connect(mAllAppsState, SIGNAL(entered()),

            this, SLOT(allAppsStateEntered()));

    connect(mAllCollectionsState, SIGNAL(entered()),

            this, SLOT(allCollectionsStateEntered()));

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::construct");

}

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

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

//

void HsAppLibraryState::onEntry(QEvent *event)

{

    qDebug("HsCollectionState::onEntry()");

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::onEntry");

    QState::onEntry(event);

    if (event->type() == HsMenuEvent::eventType()) {

        HsMenuEvent *menuEvent = static_cast<HsMenuEvent *>(event);

        QVariantMap data = menuEvent->data();

        mMenuView.setHsMenuMode(

            static_cast<HsMenuMode>(data.value(menuModeType()).toInt()));

    } else {

        mMenuView.setHsMenuMode(NormalHsMenuMode);

    }

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::onEntry");

}

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

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

//

void HsAppLibraryState::stateEntered()

{

    HSTEST_FUNC_ENTRY("AppLibraryState::stateEntered");

    HbMainWindow *hbW = HbInstance::instance()->allMainWindows().value(0);

    if (!hbW->views().contains(mMenuView.view())) {

        hbW->addView(mMenuView.view());

    }

    hbW->addSoftKeyAction(Hb::SecondarySoftKey, mSecondarySoftkeyAction);

    hbW->setCurrentView(mMenuView.view());

    HSTEST_FUNC_EXIT("AppLibraryState::stateEntered");

}

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

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

//

void HsAppLibraryState::stateExited()

{

    HSTEST_FUNC_ENTRY("AppLibraryState::stateExited");

    HbMainWindow *hbW = HbInstance::instance()->allMainWindows().value(0);

    //when exiting the pointer can be NULL

    if (hbW) {

        hbW->removeSoftKeyAction(Hb::SecondarySoftKey,

                                 mSecondarySoftkeyAction);

    }

    HSTEST_FUNC_EXIT("AppLibraryState::stateExited");

}

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

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

//

void HsAppLibraryState::constructToolbar()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::constructToolbar");

    HsOviStoreHandler *const oviStoreHandler = new HsOviStoreHandler(this);

    HbAction *const oviStoreAction(mMenuView.oviStoreAction());

    oviStoreAction->setIcon(HbIcon(oviStoreHandler->icon()));

    connect(mMenuView.oviStoreAction(), SIGNAL(triggered()),

            oviStoreHandler, SLOT(action()));

    HbAction *const allCollectionsAction(mMenuView.allCollectionsAction());

    mAllAppsState->addTransition(allCollectionsAction, SIGNAL(triggered()),

                                 mAllCollectionsState);

    mCollectionState->addTransition(allCollectionsAction,

                                    SIGNAL(triggered()), mAllCollectionsState);

    HbAction *const allAppsAction(mMenuView.allAppsAction());

    mAllCollectionsState->addTransition(allAppsAction,

                                        SIGNAL(triggered()), mAllAppsState);

    mCollectionState->addTransition(allAppsAction, SIGNAL(triggered()),

                                    mAllAppsState);

    mAllAppsState->assignProperty(

        allAppsAction, "checked", true);

    mAllCollectionsState->assignProperty(

        allCollectionsAction, "checked", true);

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::constructToolbar");

}

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

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

//

void HsAppLibraryState::clearToolbarLatch()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::clearToolbarLatch");

    QAction *const checkedAction =

        mMenuView.toolBarActionGroup()->checkedAction();

    if (checkedAction != NULL) {

        checkedAction->setChecked(false);

    }

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::clearToolbarLatch");

}

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

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

//

void HsAppLibraryState::allAppsStateEntered()

{

    if (mMenuView.getHsMenuMode() == NormalHsMenuMode) {

        mHistoryTransaction->setTargetState(mAllAppsState);

    }

}

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

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

//

void HsAppLibraryState::allCollectionsStateEntered()

{

    if (mMenuView.getHsMenuMode() == NormalHsMenuMode) {

        mHistoryTransaction->setTargetState(mAllCollectionsState);

    }

}