/*

 * 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 <HbAction>

#include <HbToolBar>

#include <HbToolBarExtension>

#include <HbStyleLoader>

#include "hstest_global.h"

#include "hsapplibrarystate.h"

#include "hsallappsstate.h"

#include "hsallcollectionsstate.h"

#include "hscollectionstate.h"

#include "hsinstalledappsstate.h"

#include "hsoperatorhandler.h"

#include "hsmenueventtransition.h"

#include "hsmenumodetransition.h"

/*!

 \class HsAppLibraryState

 \ingroup group_hsmenustateplugin

 \brief Application Library State.

 Parent state for Application Library functionality

 (browsing applications and collections)

 \lib ?library

 \see StateMachine

 */

/*!

 \var HsAppLibraryState::mSecondarySoftkeyAction

 Secondary Softkey action.

 Usually backstepping functionality.

 Own.

 */

/*!

 \var HsAppLibraryState::mAllAppsState

 All Applications state.

 Own.

 */

/*!

 \var HsAppLibraryState::mHistoryTransaction

 Transition to remember last visited child state in Application Library.

 Own.

 */

/*!

 \var HsAppLibraryState::mAllCollectionsState

 All Collections state.

 Own.

 */

/*!

 \var HsAppLibraryState::mCollectionState

 Collection state.

 Own.

 */

/*!

 \fn void HsAppLibraryState::toHomescreenState();

 Signal emitted when leaving the state,

 i.e when the back softkey is pressed.

 */

/*!

 \fn void HsAppLibraryState::initialize();

 Signal emitted when entering the state

 */

/*!

 Constructor.

 \param parent Owner.

 */

HsAppLibraryState::HsAppLibraryState(QState *parent) :

    QState(parent), mAllAppsState(0),

    mMenuMode(),mMainWindow(&mMenuMode)

{

    construct();

}

/*!

 Destructor.

 */

HsAppLibraryState::~HsAppLibraryState()

{

    delete mAllAppsState;

    delete mAllCollectionsState;

    delete mCollectionState;

    delete mInstalledAppsState;

}

/*!

 Constructs contained objects.

 */

void HsAppLibraryState::construct()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::construct");

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

    mAllAppsState = new HsAllAppsState(

        mMenuViewBuilder, mMenuMode, mMainWindow, this);

    mAllCollectionsState = new HsAllCollectionsState(mMenuViewBuilder,

        mMenuMode, mMainWindow, this);

    QState *initialState = new QState(this);

    setInitialState(initialState);

    mHistoryTransaction =  new HsMenuModeTransition(

        mMenuMode, Hs::NormalHsMenuMode, mAllAppsState);

    initialState->addTransition(mHistoryTransaction);

    initialState->addTransition(

        new HsMenuModeTransition(

        mMenuMode, Hs::AddHsMenuMode, mAllAppsState));

    mCollectionState = new HsCollectionState(mMenuViewBuilder,

        mMenuMode, mMainWindow, this);

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

    HsMenuEventTransition *openCollectionFromAppLibTransition =

        new HsMenuEventTransition(HsMenuEvent::OpenCollectionFromAppLibrary,

                                  this, mCollectionState);

    this->addTransition(openCollectionFromAppLibTransition);

    // It is called from:

    // HsDefaultRuntime::activityRequested(const QString &name)

    HsMenuEventTransition *openCollectionAfterActivityRequest =

            new HsMenuEventTransition(HsMenuEvent::OpenCollection,

                                      this, mCollectionState);

    this->addTransition(openCollectionAfterActivityRequest);

    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);

    mInstalledAppsState = new HsInstalledAppsState(

        mMenuViewBuilder, mMainWindow, this);

    HsMenuEventTransition *allViewToInstalledTransition =

        new HsMenuEventTransition(HsMenuEvent::OpenInstalledView,

            mAllAppsState, mInstalledAppsState);

    mAllAppsState->addTransition(allViewToInstalledTransition);

    HsMenuEventTransition *allCollectionsToInstalledTransition =

        new HsMenuEventTransition(HsMenuEvent::OpenInstalledView,

            mAllCollectionsState, mInstalledAppsState);

    mAllCollectionsState->addTransition(allCollectionsToInstalledTransition);

    HsMenuEventTransition *collectionToInstalledTransition =

        new HsMenuEventTransition(HsMenuEvent::OpenInstalledView,

            mCollectionState, mInstalledAppsState);

    mCollectionState->addTransition(collectionToInstalledTransition);

    constructToolbar();

    connect(mAllAppsState, SIGNAL(entered()),

            this, SLOT(allAppsStateEntered()));

    connect(mAllAppsState, SIGNAL(toAppLibraryState()),

            this, SIGNAL(toHomescreenState()));

    connect(mAllCollectionsState, SIGNAL(toAppLibraryState()),

            this, SIGNAL(toHomescreenState()));

    connect(mAllCollectionsState, SIGNAL(entered()),

            this, SLOT(allCollectionsStateEntered()));

    connect(mCollectionState, SIGNAL(entered()),

            this, SLOT(collectionStateEntered()));

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::construct");

}

/*!

 Sets entry event.

 \param event entry event.

 */

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();

        mMenuMode.setHsMenuMode(

            static_cast<Hs::HsMenuMode>(data.value(Hs::menuModeType).toInt()),

            data.value(Hs::homescreenData));

    } else {

        mMenuMode.setHsMenuMode(Hs::NormalHsMenuMode);

    }

    if (event->type() != HsMenuEvent::eventType() ||

            static_cast<HsMenuEvent *>(event)->operation() !=

            HsMenuEvent::OpenCollectionFromAppLibrary) {

        // we are back from HS, scroll those views to top

        mAllAppsState->setModel(mMenuMode.getHsMenuMode());

        mAllAppsState->scrollToBeginning();

        mAllCollectionsState->scrollToBeginning();

    }

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::onEntry");

}

/*!

 Sets up Toolbar.

 */

void HsAppLibraryState::constructToolbar()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::constructToolbar");

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

            this, SLOT(oviStoreAction()));

    HsOperatorHandler *const operatorHandler = new HsOperatorHandler(this);

    if (operatorHandler->oviStorePresent()

            && operatorHandler->operatorStorePresent()) {

        bool loaded = HbStyleLoader::registerFilePath(

                     ":/css/hsapplibrarystateplugin.css");

        Q_ASSERT(loaded);

        HbToolBarExtension *const extension(

        HbAction *const operatorAction(

        operatorAction->setText(hbTrId(operatorHandler->text().toLatin1()));

        if (operatorHandler->operatorStoreFirst()) {

            extension->addAction(operatorAction);

            extension->addAction(mMenuViewBuilder.oviStoreAction());

        } else {

            extension->addAction(mMenuViewBuilder.oviStoreAction());

            extension->addAction(operatorAction);

        }

    } else if (operatorHandler->oviStorePresent()) {

        mMenuViewBuilder.toolBar()->addAction(

    } else if (operatorHandler->operatorStorePresent()) {

        mMenuViewBuilder.toolBar()->addAction(

    }

    HbAction *const allCollectionsAction(

    mAllAppsState->addTransition(

    mCollectionState->addTransition(

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

    mAllCollectionsState->addTransition(

    mCollectionState->addTransition(

    mAllAppsState->assignProperty(allAppsAction, "checked", true);

    mAllCollectionsState->assignProperty(

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::constructToolbar");

}

/*!

 Clear toolbar latch

*/

void HsAppLibraryState::clearToolbarLatch()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::clearToolbarLatch");

    QAction *const checkedAction =

        mMenuViewBuilder.toolBarActionGroup()->checkedAction();

    if (checkedAction != NULL) {

        checkedAction->setChecked(false);

    }

    emit collectionEntered();

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::clearToolbarLatch");

}

/*!

 Ovi Store Action slot

*/

int HsAppLibraryState::oviStoreAction()

{

    HSMENUTEST_FUNC_ENTRY("HsAppLibraryState::oviStoreAction");

    CaEntry oviEntry;

    oviEntry.setEntryTypeName(Hs::applicationTypeName);

    oviEntry.setAttribute( Hs::applicationUidEntryKey,

                    QString::number(Hs::oviLauncherApplicationUid));

    int result = CaService::instance()->executeCommand(oviEntry);

    if (result) {

        oviEntry.setEntryTypeName(Hs::urlTypeName);

        oviEntry.setAttribute(Hs::urlEntryKey,

                          QString("https://store.ovi.com/applications/"));

        result = CaService::instance()->executeCommand(oviEntry);

    }

    HSMENUTEST_FUNC_EXIT("HsAppLibraryState::oviStoreAction");

    return result;

}

/*!

 All apps state entered.

 */

void HsAppLibraryState::allAppsStateEntered()

{

    if (mMenuMode.getHsMenuMode() == Hs::NormalHsMenuMode) {

        mHistoryTransaction->setTargetState(mAllAppsState);

    }

    while (!mInstalledAppsState->transitions().isEmpty()) {

        mInstalledAppsState->removeTransition(

            mInstalledAppsState->transitions()[0]);

    }

    HsMenuEventTransition *fromInstalledAppsTransition =

        new HsMenuEventTransition(HsMenuEvent::BackFromInstalledView,

        mInstalledAppsState, mAllAppsState);

    mInstalledAppsState->addTransition(fromInstalledAppsTransition);

}

/*!

 All collections state entered.

 */

void HsAppLibraryState::allCollectionsStateEntered()

{

    if (mMenuMode.getHsMenuMode() == Hs::NormalHsMenuMode) {

        mHistoryTransaction->setTargetState(mAllCollectionsState);

    }

    while (!mInstalledAppsState->transitions().isEmpty()) {

        mInstalledAppsState->removeTransition(

            mInstalledAppsState->transitions()[0]);

    }

    HsMenuEventTransition *fromInstalledAppsTransition =

        new HsMenuEventTransition(HsMenuEvent::BackFromInstalledView,

        mInstalledAppsState, mAllCollectionsState);

    mInstalledAppsState->addTransition(fromInstalledAppsTransition);

}

/*!

 Collection state entered.

 */

void HsAppLibraryState::collectionStateEntered()

{

    while (!mInstalledAppsState->transitions().isEmpty()) {

        mInstalledAppsState->removeTransition(

            mInstalledAppsState->transitions()[0]);

    }

    HsMenuEventTransition *fromInstalledAppsTransition =

        new HsMenuEventTransition(HsMenuEvent::BackFromInstalledView,

        mInstalledAppsState, mCollectionState);

    mInstalledAppsState->addTransition(fromInstalledAppsTransition);

}