/*

* 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 "cpmainview.h"

#include "cpmainmodel.h"

#include <QList>

#include <hbmainwindow.h>

#include <hbdataform.h>

#include <cpitemdatahelper.h>

#include <cplogger.h>

#include <hbactivitymanager.h>

#include <hbapplication.h>

#include <hbinstance.h>

#include <QPixMap>

#include <QMetaType>

#include "cpcategorysettingformitemdata.h"

//CpMainView implementation

CpMainView::CpMainView(HbMainWindow *mainWindow/*= 0*/)

: CpBaseSettingView(0,0), 

  mMainModel(0), 

  mItemDataHelper(0), 

  mMainWindow(mainWindow),

  mActivityManager(0)

{ 

    //delay loading

    //connect(mMainWindow,SIGNAL(viewReady()),this,SLOT(initializeMainModel()));

    // AUTO SAVE ACTIVITY OF CONTROLPANEL

    HbApplication *app= qobject_cast<HbApplication *>(qApp);

    mActivityManager = app->activityManager();

    initializeMainModel();    

    connect(this, SIGNAL(aboutToClose()),this, SLOT(saveActivity()));

}

CpMainView::~CpMainView()

{

    delete mMainModel;

    delete mItemDataHelper;

}

bool CpMainView::event(QEvent *e)

{

    if (e->type() == QEvent::Show || e->type() == QEvent::ShowToParent) {

        CPPERF_LOG("CpMainView shown.");

    }

    return CpBaseSettingView::event(e);

}

void CpMainView::initializeMainModel()

{

    if (HbDataForm *form = qobject_cast<HbDataForm *>(widget())) {

        if (!mMainModel) {  

            mItemDataHelper = new CpItemDataHelper(form);

            mMainModel = new CpMainModel;

            mMainModel->initialize(*mItemDataHelper);

            form->setModel(mMainModel);

            connect(form, SIGNAL(activated(QModelIndex)), this, SLOT(onDataFormItemActivated(QModelIndex)));

            connect(mMainWindow, SIGNAL(aboutToChangeView(HbView *, HbView *)), this, SLOT(onAboutToChangeView(HbView *, HbView *)));

        }

    }   

    loadActivity();

}

void CpMainView::loadActivity()

{

    if (mMainModel == 0) {

        return;            

    } 

    QVariant data = mActivityManager->activityData(QString("ControlPanelView"));

    if (data.canConvert<QList<QVariant> >())

    {

        QList<QVariant> isExpanded = qvariant_cast<QList<QVariant> >(data);

        HbDataFormModelItem *root = mMainModel->invisibleRootItem();

        int groupCount = 0;

        if (root) {

         groupCount = root->childCount();

        }

        if (groupCount == isExpanded.count()) {

            for (int i = 0; i < groupCount; i++) {

                HbDataFormModelItem *groupItem = root->childAt(i);

                QModelIndex index = mMainModel->indexFromItem(groupItem);

                HbDataForm *form = qobject_cast<HbDataForm *>(widget());

                if (form) {

                    if (isExpanded.at(i).toBool()) {

                        onDataFormItemActivated(index);

                    }

                    form->setExpanded(index,isExpanded.at(i).toBool());

                }

            }

        }

        mActivityManager->removeActivity("ControlPanelView");

    }

}

void CpMainView::saveActivity()

{

    HbDataFormModelItem *root = mMainModel->invisibleRootItem();

    int groupCount = 0;

    QList<QVariant> isExpanded;

    if (root) {

        groupCount = root->childCount();

    }

    for (int i = 0; i < groupCount; i++) {

        HbDataFormModelItem *groupItem = root->childAt(i);

        QModelIndex index = mMainModel->indexFromItem(groupItem);

        HbDataForm *form = qobject_cast<HbDataForm *>(widget());    

        isExpanded << form->isExpanded(index);

    }

    HbMainWindow *mainWindow = hbInstance->allMainWindows().first();

    HbView *view = mainWindow->currentView();

    if(this == view)

        {

        mScreenshot = QPixmap::grabWidget(mainWindow, mainWindow->rect());

        }

    QVariantHash metadata;

    metadata.insert("screenshot", mScreenshot);

    QVariant data(isExpanded);

    mActivityManager->addActivity("ControlPanelView", data, metadata);

}

void CpMainView::onDataFormItemActivated(const QModelIndex &index)

{

    CPFW_LOG("CpMainView::onDataFormItemActivated");

    CpSettingFormItemData *itemData = static_cast<CpSettingFormItemData *>(mMainModel->itemFromIndex(index));

    if (CpCategorySettingFormItemData *categoryItemData = qobject_cast<CpCategorySettingFormItemData*>(itemData)) {

        categoryItemData->initialize(*mItemDataHelper);

    }    

}

void CpMainView::onAboutToChangeView(HbView * oldView, HbView *newView)

{

    Q_UNUSED(newView);

    if (this == oldView) {

        mScreenshot = QPixmap::grabWidget(mMainWindow, mMainWindow->rect());

        }

    }

// End of File