/*

* 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 <hblabel.h>

//#include <hsiwidgetprovider.h>

#include <hbmessagebox.h>

#include <qstatemachine.h>

#include <hbaction.h>

#include <HbDocumentLoader>

#include <hbdialog.h>

#include <hbwidget.h>

#include <hbscrollarea.h>

#include <hbscrollbar.h>

#include <QtAlgorithms>

#include <hbnotificationdialog.h>

#include "hsmenueventfactory.h"

#include "hsmenuservice.h"

#include "hswidgethost.h"

#include "hspreviewhswidgetstate.h"

#include "hsmenuevent.h"

#include "hsapp_defs.h"

#include "hsscene.h"

#include "hspage.h"

#include "canotifier.h"

#include "canotifierfilter.h"

#include "caservice.h"

#include "hsdomainmodel_global.h"

#include <hscontentservice.h>

const char HS_PREVIEW_HS_WIDGET_STATE[] = "HsPreviewHSWidgetState";

/*!

 \class HsPreviewHSWidgetState

 \ingroup group_hsworkerstateplugin

 \brief Application Library State.

 Parent state for Application Library functionality (browsing applications and collections)

 \see StateMachine

 \lib ?library

 */

/*!

 Constructor

 \param parent: parent state

 \retval void

 */

HsPreviewHSWidgetState::HsPreviewHSWidgetState(QState *parent) :

    HsMenuBaseState(HS_PREVIEW_HS_WIDGET_STATE, parent),

    mPopupDialog(0),

    mNotifier(0),

    mScrollArea(0),

    mWidget(0),

    mEntryId(0),

    mCorruptedMessage(0)

{

    requestServices(QList<QVariant> () << CONTENT_SERVICE_KEY);

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

}

/*!

 Destructor.

 */

HsPreviewHSWidgetState::~HsPreviewHSWidgetState()

{

    cleanUp(); // in case of throw

}

/*!

 onEntry method invoked on entering the state

 Adds a widget or shortcut to the active page of home screen.

 It reads "data" property which value is a string map.

 The map can keep either data specific for shortcut (item id)

 or widget (entry type name, widget library name, widget uri).

 Depending on the property values it calls method for adding widget

 or shortcut.

 \param contentService: service for adding widgets

 \param shortcutService: service for adding shortcuts

 \retval void

 */

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void HsPreviewHSWidgetState::onEntry(QEvent *event)

{

    HSMENUTEST_FUNC_ENTRY("HsPreviewHSWidgetState::onEntry");

    HsMenuBaseState::onEntry(event);

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

    QVariantMap data = menuEvent->data();

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

    QVariantHash widgetData;

    widgetData.insert(LIBRARY, data.value(widgetLibraryAttributeName()).toString());

    widgetData.insert(URI, data.value(widgetUriAttributeName()).toString());

    QScopedPointer<HsWidgetHost> widget(contentService()->createWidgetForPreview(widgetData));

    if (widget) {

        widget->setMinimumSize(widget->preferredWidth(),widget->preferredHeight());

        HbDocumentLoader loader;

        bool loadStatusOk = false;

        mObjectList = 

            loader.load(HS_WIDGET_PREVIEW_DIALOG_LAYOUT, &loadStatusOk);

        Q_ASSERT_X(loadStatusOk,

            HS_WIDGET_PREVIEW_DIALOG_LAYOUT,

               "Error while loading docml file.");

        mPopupDialog = 

            qobject_cast<HbDialog*>(

                loader.findWidget(HS_WIDGET_PREVIEW_DIALOG_NAME));

        mScrollArea =

            qobject_cast<HbScrollArea*>(

                loader.findWidget(HS_WIDGET_PREVIEW_SCROLL_AREA_NAME));

        // set parent to actions to delete them together with dialog

        mPopupDialog->actions()[0]->setParent(mPopupDialog);

        mPopupDialog->actions()[1]->setParent(mPopupDialog);

        if (mPopupDialog != NULL && mScrollArea != NULL) {

            mPopupDialog->setContentWidget(mScrollArea); // ownership transferred

            mPopupDialog->setTimeout(HbPopup::NoTimeout);

            mPopupDialog->setAttribute(Qt::WA_DeleteOnClose, true);

            mScrollArea->verticalScrollBar()->setInteractive(true);

            mScrollArea->horizontalScrollBar()->setInteractive(true);

            mWidget = widget.take(); // ownership transfered

            mScrollArea->setContentWidget(mWidget); // ownership transferred

            subscribeForMemoryCardRemove();

            // Launch popup asyncronously

            mPopupDialog->open(this, SLOT(previewDialogFinished(HbAction*)));    

        }

    } else {

        showMessageWidgetCorrupted();

    }

    HSMENUTEST_FUNC_EXIT("HsPreviewHSWidgetState::onEntry");

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

/*!

 Slot launched after state has exited and in destructor.

 \retval void

 */

void HsPreviewHSWidgetState::cleanUp()

{

    if (mPopupDialog) {

        mPopupDialog->close();

    }

    if (mCorruptedMessage) {

        mCorruptedMessage->close();

    }

    mScrollArea = NULL;

    mWidget = NULL;

    disconnect(mNotifier,

               SIGNAL(entryChanged(CaEntry,ChangeType)),

    delete mNotifier;

    mNotifier = NULL;

}

/*!

 Slot launched on dismissing the preview dialog

 \retval void

 */

void HsPreviewHSWidgetState::previewDialogFinished(HbAction* finishedAction)

{

            mScrollArea->takeContentWidget();

    }

}

/*!

 Subscribe for memory card remove.

 \retval void

 */

void HsPreviewHSWidgetState::subscribeForMemoryCardRemove()

{

    CaNotifierFilter filter;

    QList<int> entryIds;

    entryIds.append(mEntryId);

    filter.setIds(entryIds);

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

    mNotifier->setParent(this);

    connect(mNotifier,

            SIGNAL(entryChanged(CaEntry,ChangeType)),

}

/*!

 Shows message about corrupted widget library. Deletes widget eventually

 \retval void

 */

#ifdef COVERAGE_MEASUREMENT

#pragma CTC SKIP

#endif //COVERAGE_MEASUREMENT

void HsPreviewHSWidgetState::showMessageWidgetCorrupted()

{

    HSMENUTEST_FUNC_ENTRY("HsCollectionState::showMessageWidgetCorrupted");

    mCorruptedMessage = new HbMessageBox(HbMessageBox::MessageTypeQuestion);

    mCorruptedMessage->setAttribute(Qt::WA_DeleteOnClose);

    QString message(hbTrId("txt_applib_dialog_file_corrupted_unable_to_use_wi"));

    mCorruptedMessage->setText(message);

    HbAction *primaryAction = new HbAction(hbTrId("txt_common_button_ok"), mCorruptedMessage);

    HbAction *secondaryAction = new HbAction(hbTrId("txt_common_button_cancel"), mCorruptedMessage);

    mCorruptedMessage->addAction(secondaryAction);

    mCorruptedMessage->open(this, SLOT(messageWidgetCorruptedFinished(HbAction*)));

    HSMENUTEST_FUNC_EXIT("HsCollectionState::showMessageWidgetCorrupted");

}

#ifdef COVERAGE_MEASUREMENT

#pragma CTC ENDSKIP

#endif //COVERAGE_MEASUREMENT

/*!

 Slot launched on dismissing the corrupted widget error note

 \retval void

 */

void HsPreviewHSWidgetState::messageWidgetCorruptedFinished(HbAction* finishedAction)

{

    }

}