/*

 * 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 delete collection item state

 *

 */

#include <hbmessagebox.h>

#include <hbaction.h>

#include <hsmenuservice.h>

#include <hsshortcutservice.h>

#include <HbDocumentLoader>

#include <HbLabel>

#include <HbListView>

#include <HbParameterLengthLimiter>

#include <QStandardItemModel>

#include <QStandardItem>

#include <casoftwareregistry.h>

#include <caquery.h>

#include <canotifier.h>

#include "hsuninstallitemstate.h"

#include "hsmenuevent.h"

/*!

 \class HsUninstallItemState

 \ingroup group_hsworkerstateplugin

 \brief Uninstall Item State.

 Deletes app from collection.

 */

/*!

 Constructor.

 \param parent Parent state.

 */

HsUninstallItemState::HsUninstallItemState(QState *parent) :

    QState(parent),

    mItemId(0),

    mNotifier(NULL),

    mUninstallMessage(NULL),

    mUninstallJavaMessage(NULL),

    mConfirmAction(NULL)

{

    construct();

}

/*!

 Destructor.

 */

HsUninstallItemState::~HsUninstallItemState()

{

    cleanUp(); // in case of throw

}

/*!

 Constructs contained objects.

 */

void HsUninstallItemState::construct()

{

    setObjectName("/UninstallItemState");

    if (this->parent()) {

        setObjectName(this->parent()->objectName() + objectName());

    }

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

}

/*!

 Sets entry event.

 \param event entry event.

 */

void HsUninstallItemState::onEntry(QEvent *event)

{

    HSMENUTEST_FUNC_ENTRY("HsUninstallItemState::onEntry");

    QState::onEntry(event);

    qDebug("HsUninstallItemState::onEntry()");

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

    QVariantMap data = menuEvent->data();

    mItemId = data.value(itemIdKey()).toInt();

    QSharedPointer<CaEntry> entry = CaService::instance()->getEntry(mItemId);

    QString appType = entry->attribute(swTypeKey());

    if (!appType.compare(javaSwType())) {

        // java

        createUninstallJavaMessage();

    } else {

        // other

        createUninstallMessage();

    }

    subscribeForMemoryCardRemove();

    HSMENUTEST_FUNC_EXIT("HsUninstallItemState::onEntry");

}

/*!

 Action after closed confirmation dialog.

 \param finishedAction chosen action.

 \retval void

 */

void HsUninstallItemState::uninstallMessageFinished(HbAction* finishedAction)

{

        HsMenuService::executeAction(mItemId, removeActionIdentifier());

    }

    emit exit();

}

/*!

 Return information about a component: component name, a list of names

 of applications in this component and a delete message.

 \param[out] componentName component name.

 \param[out] applicationsNames a list of names of applications.

 \param[out] confirmationMessage delete message.

 \retval true if there is no error.

 */

bool HsUninstallItemState::getApplicationsNames(QString &componentName,

    QStringList &applicationsNames,

    QString &confirmationMessage)

{

    componentName.clear();

    applicationsNames.clear();

    confirmationMessage.clear();

    QSharedPointer<CaService> service = CaService::instance();

    QSharedPointer<CaEntry> entry = service->getEntry(mItemId);

    const int componentId =

        entry->attribute(componentIdAttributeName()).toInt();

    QSharedPointer<CaSoftwareRegistry> softwareRegistry =

        CaSoftwareRegistry::create();

    QStringList appUids;

    bool retval = softwareRegistry->getUninstallDetails(componentId,

        componentName,

        appUids,

        confirmationMessage);

    if (retval) {

        CaQuery query;

        foreach (QString uid, appUids) {

            query.setAttribute(applicationUidEntryKey(), uid);

            QList< QSharedPointer<CaEntry> > entries =

                service->getEntries(query);

            if (entries.length() > 0) {

                applicationsNames << entries[0]->text();

            }

        }

        if (applicationsNames.length()==1

            && applicationsNames[0]==componentName) {

            applicationsNames.clear();

        }

    }

    return retval;

}

/*!

 Subscribe for memory card remove.

 */

void HsUninstallItemState::subscribeForMemoryCardRemove()

{

    CaNotifierFilter filter;

    filter.setIds(QList<int>() << mItemId);

    mNotifier = CaService::instance()->createNotifier(filter);

    mNotifier->setParent(this);

    connect(mNotifier,

        SIGNAL(entryChanged(CaEntry,ChangeType)),

        SIGNAL(exit()));

}

/*!

 Slot launched after state has exited and in destructor.

 \retval void

 */

void HsUninstallItemState::cleanUp()

{

    // Close messagebox if App key was pressed

    if (mUninstallMessage) {

        disconnect(mUninstallMessage, SIGNAL(finished(HbAction*)),

            this, SLOT(uninstallMessageFinished(HbAction*)));

        mUninstallMessage->close();

        mUninstallMessage = NULL;

    }

    if (mUninstallJavaMessage) {

        disconnect(mUninstallJavaMessage, SIGNAL(finished(HbAction*)), this, SLOT(uninstallMessageFinished(HbAction*)));

        mUninstallJavaMessage->close();

        mUninstallJavaMessage = NULL;

    }

    delete mNotifier;

    mNotifier = NULL;

    mConfirmAction = NULL;

    mItemId = 0;

}

/*!

 Method create uninstall confirmation message.

 \retval void

 */

void HsUninstallItemState::createUninstallMessage()

{

    CaQuery parentsQuery;

    parentsQuery.setChildId(mItemId);

    parentsQuery.setEntryTypeNames(QStringList(collectionTypeName()));

    QList<int> parentsIds = CaService::instance()->getEntryIds(

            parentsQuery);

    QString message;

    if (HsShortcutService::instance()->isItemShortcutWidget(mItemId) || (parentsIds.count() > 0)) {

        message.append(

            HbParameterLengthLimiter("txt_applib_dialog_uninstalls_1_and_deletes_all_sh").arg(

                HsMenuService::getName(mItemId)));

    } else {

        message.append(

            HbParameterLengthLimiter("txt_applib_dialog_1_will_be_removed_from_phone_c").arg(

                HsMenuService::getName(mItemId)));

    }

    // create and show message box

    mUninstallMessage->open(this, SLOT(uninstallMessageFinished(HbAction*)));

}

/*!

 Method create uninstall confirmation dialog for java.

 \retval void

 */

void HsUninstallItemState::createUninstallJavaMessage()

{

    HbDocumentLoader loader;

    bool loadStatusOk = false;

    Q_ASSERT_X(loadStatusOk,

            HS_UNINSTALL_DIALOG_LAYOUT,

           "Error while loading docml file.");

    QString componentName;

    QStringList applicationsNames;

    QString detailsMessage;

    getApplicationsNames(componentName, applicationsNames, detailsMessage);

    QString section;

    if (applicationsNames.isEmpty() && detailsMessage.isEmpty()) {

        mDialogType = UninstallDialogDefinition01;

        section = QString("uninstallDialogDefinition01");

                HS_UNINSTALL_DIALOG_LAYOUT, section, &loadStatusOk);

    } else if ( (!applicationsNames.isEmpty()) && (!detailsMessage.isEmpty())) {

        mDialogType = UninstallDialogDefinition02;

        section = QString("uninstallDialogDefinition02");

                HS_UNINSTALL_DIALOG_LAYOUT, section, &loadStatusOk);

    } else if ( (!applicationsNames.isEmpty() && detailsMessage.isEmpty())) {

        mDialogType = UninstallDialogDefinition03;

        section = QString("uninstallDialogDefinition03");

                HS_UNINSTALL_DIALOG_LAYOUT, section, &loadStatusOk);

    } else if (applicationsNames.isEmpty()  && (!detailsMessage.isEmpty())) {

        mDialogType = UninstallDialogDefinition04;

        section = QString("uninstallDialogDefinition04");

                HS_UNINSTALL_DIALOG_LAYOUT, section, &loadStatusOk);

    }

    mUninstallJavaMessage = 

        qobject_cast<HbDialog*>(

            loader.findWidget(HS_UNINSTALL_DIALOG_NAME));

        }

    }

}