/*

* 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 "cnthistoryview.h"

#include <hblistview.h>

#include <hbgroupbox.h>

#include <hbdocumentloader.h>

#include <hbmenu.h>

#include <hbview.h>

#include <hbmessagebox.h>

#include <hbaction.h>

#include <xqappmgr.h>

#include <xqservicerequest.h>

#include <cnthistorymodel.h>

#include <hbparameterlengthlimiter.h>

#include <hbmainwindow.h>

#include <hbframebackground.h>

#include <hbabstractviewitem.h>

#include <QTimer>

#include <qtcontacts.h>

#include "cnthistoryviewitem.h"

#include "cntglobal.h"

#include "cntdebug.h"

const char *CNT_HISTORYVIEW_XML = ":/xml/contacts_history.docml";

/*!

Constructor, initialize member variables.

*/

CntHistoryView::CntHistoryView() : 

    mHistoryListView(NULL),

    mHistoryModel(NULL),

    mDocumentLoader(NULL),

    mViewMgr(NULL),

    mContact(NULL),

    mRequest(NULL)

{

    bool ok = false;

    docLoader()->load(CNT_HISTORYVIEW_XML, &ok);

    if (ok)

    {

        mView = static_cast<HbView*>(docLoader()->findWidget(QString("view")));

        // Create a back key action an set it as the default navigation

        // action once the back key is pressed

        mBackKey = new HbAction(Hb::BackNaviAction, mView);

        mView->setNavigationAction(mBackKey);        

        connect(mBackKey, SIGNAL(triggered()), this, SLOT(showPreviousView()));

        HbMenu* viewMenu = static_cast<HbMenu*>(docLoader()->findObject("viewMenu") );

        viewMenu->setParent(mView);

    }

    else

    {

        qFatal("Unable to read :/xml/contacts_history.docml");

    }

}

/*!

Destructor

*/

CntHistoryView::~CntHistoryView()

{

    mView->deleteLater();

    if (mDocumentLoader) {

        delete mDocumentLoader;

        mDocumentLoader = NULL;

    }

    if (mHistoryModel) {

        delete mHistoryModel;

        mHistoryModel = NULL;

    }

    if (mContact) {

        delete mContact;

        mContact = NULL;

    }

    delete mRequest;

    mRequest = NULL;

}

/*!

 * Deactivate the view

 */

void CntHistoryView::deactivate()

{

    QContactManager* cm = &mEngine->contactManager(SYMBIAN_BACKEND);

    disconnect(cm, SIGNAL(contactsRemoved(const QList<QContactLocalId>&)),

            this, SLOT(contactDeletedFromOtherSource(const QList<QContactLocalId>&)));

}

/**

 * Activate the view

 */

void CntHistoryView::activate( const CntViewParameters aArgs )

{

    mArgs = aArgs;

    mViewMgr = &mEngine->viewManager();

    QContactManager* cm = &mEngine->contactManager(SYMBIAN_BACKEND);

    mContact = new QContact(mArgs.value(ESelectedContact).value<QContact>());

    // Set history view heading

    HbGroupBox* groupBox = static_cast<HbGroupBox*>(docLoader()->findWidget(QString("groupBox")));

    QString name = mContact->displayLabel();

    if (name.isEmpty())

    {

        name = hbTrId("txt_phob_list_unnamed");

    }

    groupBox->setHeading(hbTrId("txt_phob_subtitle_history_with_1").arg(name));

    //construct listview

    mHistoryListView = static_cast<HbListView*>(docLoader()->findWidget(QString("listView")));

    mHistoryListView->setLayoutName("history");

    CntHistoryViewItem *item = new CntHistoryViewItem;

    item->setSecondaryTextRowCount(1, 3);

    item->setGraphicsSize(HbListViewItem::SmallIcon);

    mHistoryListView->setItemPrototype(item); //ownership is taken

    // Connect listview items to respective slots

    connect(mHistoryListView, SIGNAL(activated(const QModelIndex &)),

                      this,  SLOT(itemActivated(const QModelIndex &)));

    connect( mHistoryListView, SIGNAL(longPressed(HbAbstractViewItem*,const QPointF&)), 

            this, SLOT(onLongPressed(HbAbstractViewItem*,const QPointF&)) );

    mHistoryModel = new CntHistoryModel(mContact->localId(), cm);

    mHistoryListView->setModel(mHistoryModel); //ownership is not taken

    //start listening to the events amount changing in the model

    connect(mHistoryModel, SIGNAL(rowsInserted(const QModelIndex &, int, int)),

        this, SLOT(updateScrollingPosition()));

    connect(mHistoryModel, SIGNAL(rowsInserted(const QModelIndex &, int, int)),

        this, SLOT(showClearHistoryMenu()));

    connect(mHistoryModel, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),

        this, SLOT(updateScrollingPosition()));

    connect(mHistoryModel, SIGNAL(rowsRemoved(const QModelIndex &, int, int)),

        this, SLOT(showClearHistoryMenu()));

    connect(mHistoryModel, SIGNAL(layoutChanged()),

        this, SLOT(updateScrollingPosition()));

    connect(mHistoryModel, SIGNAL(modelReset()),

        this, SLOT(updateScrollingPosition()));

    connect(mHistoryModel, SIGNAL(modelReset()),

        this, SLOT(showClearHistoryMenu()));

    // Connect the menu options to respective slots

    mClearHistory = static_cast<HbAction*>(docLoader()->findObject("cnt:clearhistory"));

    mClearHistory->setParent(mView);

    connect(mClearHistory, SIGNAL(triggered()), this, SLOT(clearHistory()));

    showClearHistoryMenu();

    connect(cm, SIGNAL(contactsRemoved(const QList<QContactLocalId>&)), 

        this, SLOT(contactDeletedFromOtherSource(const QList<QContactLocalId>&)));

}

/*!

Called after new items are added to or removed from comm history view

*/

void CntHistoryView::updateScrollingPosition()

{

    int rowCnt = mHistoryModel->rowCount();

    // Scroll to the last item in the list

    mHistoryListView->scrollTo(mHistoryModel->index(rowCnt - 1, 0), 

        HbAbstractItemView::PositionAtBottom);

}

/*

Query the user for clearing communications history

*/

void CntHistoryView::clearHistory()

{

    // Ask the use if they want to clear the history

    QString name = mContact->displayLabel();

    if (name.isEmpty())

    {

        name = hbTrId("txt_phob_list_unnamed");

    }

    HbMessageBox::question(HbParameterLengthLimiter(hbTrId("txt_phob_info_clear_communications_history_with_1")).arg(name), this, 

            SLOT(handleClearHistory(int)), HbMessageBox::Delete | HbMessageBox::Cancel);

}

/*

Handle the selected action for clearing history

*/

void CntHistoryView::handleClearHistory(int action)

{

    if (action == HbMessageBox::Delete)

    {

        mHistoryModel->clearHistory();

    }

}

void CntHistoryView::onLongPressed(HbAbstractViewItem *item, const QPointF &coords)

{

    Q_UNUSED(coords);

    QModelIndex index = item->modelIndex();

    if (index.isValid())

    {

        itemActivated(index);

    }

}

/*!

Once list item is pressed on the list view this slot handles the 

emitted signal

 */

void CntHistoryView::itemActivated(const QModelIndex &index)

{

    int flags = index.data(CntFlagsRole).toInt();

    bool createRequest(false);

    QString interface;

    QString operation;

    QVariantList args;

    // If the list item is a call log a call is made to that item

    if ( flags & CntCallLog ) {

        // Make a call

        QVariant number = index.data(CntPhoneNumberRole);

        if ( number.isValid() ) {        

            interface = "com.nokia.symbian.ICallDial";

            operation = "dial(QString)";

            args << number;

            createRequest = true;

            // TODO: Using XQApplicationManager is not working with calls

            // The factory method cannot create a request. Find out why

            createRequest = false;

            QString service("com.nokia.symbian.ICallDial");

            QString type("dial(QString,int)");

            XQServiceRequest snd(interface, operation, false);

            snd << number.toString() << mContact->localId();

            snd.send();

        }

    } else if ( flags & CntMessage ) {

        // Open conversation view

        QVariant id = index.data(CntConverstaionIdRole);

        if ( id.isValid() ) {

            interface = "com.nokia.symbian.IMessageView";

            operation = "view(int)";

            args << id;

            createRequest = true;

        }

    }

    if ( createRequest ) {

        XQApplicationManager appMng;

        delete mRequest;

        mRequest = NULL;

        mRequest = appMng.create(interface, operation, true); // embedded

        if ( mRequest ) {

            mRequest->setArguments(args); 

            mRequest->send();

        }

    }

}

/*!

Go back to previous view

*/

void CntHistoryView::showPreviousView()

{

    QVariant var;

    var.setValue(*mContact);

    mArgs.insert(ESelectedContact, var);

    mViewMgr->back( mArgs );

}

/*!

Go back to the root view

*/

void CntHistoryView::showRootView()

{   

    mViewMgr->back( mArgs, true );

}

void CntHistoryView::contactDeletedFromOtherSource(const QList<QContactLocalId>& contactIds)

{

    CNT_ENTRY

    if ( contactIds.contains(mContact->localId()) )

    {

        // Do not switch to the previous view immediately. List views are

        // not updated properly if this is not done in the event loop

        QTimer::singleShot(0, this, SLOT(showRootView()));

    }

    CNT_EXIT

}

/*!

Show or hide the clear history menu

*/

void CntHistoryView::showClearHistoryMenu()

{

    if (mHistoryModel->rowCount() > 0) {

        mClearHistory->setEnabled(true);

    } else {

        mClearHistory->setEnabled(false);

    }

}

/*!

 * Document loader

 */

HbDocumentLoader* CntHistoryView::docLoader()

{

    if (!mDocumentLoader) {

        mDocumentLoader = new HbDocumentLoader();

    }

    return mDocumentLoader;

}

// end of file