/*

* 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 <qregexp.h>

#include <hbtextitem.h>

#include <hbiconitem.h>

#include <hbframeitem.h>

#include <hbframebackground.h>

#include <hbextendedlocale.h>

#include <hbcolorscheme.h>

#include <nmmessageenvelope.h>

#include <nmicons.h>

#include <hbstringutil.h>

#include "nmhswidgetlistviewitem.h"

/*!

    \class NmHsWidgetListViewItem

    \brief Mail widget list view item inherited from HbListViewItem

*/

/*!

    Constructor

*/

NmHsWidgetListViewItem::NmHsWidgetListViewItem(QGraphicsItem *parent)

: HbListViewItem(parent),

        mSeparator(NULL),

        mSender(NULL),

        mSubject(NULL),

        mTime(NULL),

        mNewMsgIcon(NULL),

        mIcon1(NULL),

        mIcon2(NULL)

{

    NM_FUNCTION; 

}

/*!

    Destructor

*/

NmHsWidgetListViewItem::~NmHsWidgetListViewItem()

{

    NM_FUNCTION;

}

/*!

    Item creation

*/

HbAbstractViewItem* NmHsWidgetListViewItem::createItem()

{

    NM_FUNCTION;

    return new NmHsWidgetListViewItem(*this);

}

/*!

    update child items

*/

void NmHsWidgetListViewItem::updateChildItems()

{

    NM_FUNCTION;

    NmMessageEnvelope *envelope =

           modelIndex().data(Qt::DisplayRole).value<NmMessageEnvelope*>();

    createMessageItemLayout();

    setContentsToMessageItem(*envelope);

    HbListViewItem::updateChildItems();   

}

/*!

    Set item layout.

    Function does not take ownership of model or model item.

 */

void NmHsWidgetListViewItem::createMessageItemLayout()

{

    NM_FUNCTION;

    getFontSizes();

    // Create separator icon and set name from widgetml.

    if (!mSeparator) {

        mSeparator = new HbIconItem(this);

        HbStyle::setItemName(mSeparator, "separator");

        mSeparator->setObjectName("ListViewItemMessageSeparator");

        mSeparator->setIcon(HbIcon("qtg_graf_divider_h_thin"));   

    }

    // Create sender label and set name from widgetml.

    if (!mSender) {

        mSender = new HbTextItem(this);

        HbStyle::setItemName(mSender, "sender");

        mSender->setObjectName("ListViewItemMessageSender");

    }

    // Create time label and set name from widgetml.

    if (!mTime) {

        mTime = new HbTextItem(this);

        HbStyle::setItemName(mTime, "time");

        mTime->setObjectName("ListViewItemMessageTime");

    }

    // Create subject label and set name from widgetml.

    if (!mSubject) {

        mSubject = new HbTextItem(this);

        HbStyle::setItemName(mSubject, "subject");

        mSubject->setObjectName("ListViewItemMessageSubject");

    }

    // Set new message icon.

    if (!mNewMsgIcon) {

        mNewMsgIcon = new HbFrameItem(this);

        HbStyle::setItemName(mNewMsgIcon, "msgicon");

    }

    // Create priority icon and set name from widgetml.

    if(!mIcon1){

        mIcon1 = new HbIconItem(this);

        HbStyle::setItemName(mIcon1, "icon1");

        mStatusIcons.append(mIcon1);

    }

    // Create attachment icon and set name from widgetml.

    if(!mIcon2){

        mIcon2 = new HbIconItem(this);

        HbStyle::setItemName(mIcon2, "icon2");

        mStatusIcons.append(mIcon2);

    }

    //set empty frame as list item only shows background when selected

    setDefaultFrame(HbFrameBackground("", HbFrameDrawer::OnePiece));

}

/*!

    Set item text label contents, icons, etc.

    Function does not take ownership of model or model item.

*/

void NmHsWidgetListViewItem::setContentsToMessageItem(const NmMessageEnvelope &envelope)

{

    NM_FUNCTION;

    // Member variables are created in previous function.

    // Sender.

    QString senderDisplayName = envelope.sender().displayName();

    if (!senderDisplayName.isNull() && !senderDisplayName.isEmpty()) {

        mSender->setText(cleanupDisplayName(senderDisplayName));

    }

    else {

        mSender->setText(envelope.sender().address());

    }

    // Time.

    HbExtendedLocale locale = HbExtendedLocale::system();

    QDateTime localTime = envelope.sentTime().addSecs(locale.universalTimeOffset());

    QDate sentLocalDate = localTime.date();

    QDate currentdate = QDate::currentDate();

    if (sentLocalDate == currentdate) {

        QString shortTimeSpec = r_qtn_time_usual;

        QTime time = localTime.time();

    } else {

        QString shortDateSpec = r_qtn_date_without_year;

    }

    // Subject.

    QString subjectText = envelope.subject();

    if (subjectText.length()) {

        mSubject->setText(subjectText);

    } else {

        mSubject->setText(hbTrId("txt_mailwdgt_dblist_val_no_subject"));

    }

    // Here we have list for priority and attachment icons. Later it is easy to add

    // followup icon or something else if needed.

    QList<HbIcon> iconList;

    //make sure icons are not shown yet

    for (int i = 0; i < mStatusIcons.count(); i++) {

        mStatusIcons.at(i)->hide();

    }

    // Priority icon is added to list first thus it is always shown most right.

    switch (envelope.priority()) {

        case NmMessagePriorityLow:

            iconList.append(NmIcons::getIcon(NmIcons::NmIconPriorityLow));

            break;

        case NmMessagePriorityHigh:

            iconList.append(NmIcons::getIcon(NmIcons::NmIconPriorityHigh));

            break;

        default:

            // Normal priority has no icon

            break;

    }

    // Attachment icon is always shown on the left side of priority icon if it

    // exists. Otherwise in the most right.

    if (envelope.hasAttachments()) {

        iconList.append(NmIcons::getIcon(NmIcons::NmIconAttachment));

    }

    // Here we show icons added to the iconList in the order they have been added.

    for (int count = 0; count < iconList.count(); count++) {

        mStatusIcons.at(count)->setIcon(iconList.at(count));

        mStatusIcons.at(count)->show();

    }

    // Message read status.

    bool msgReadStatus(envelope.isRead());

    HbFrameDrawer *drawer(NULL);

    HbStyle::setItemName(mNewMsgIcon, "msgicon");

    if (!msgReadStatus) {

        setFontsUnread();

        mNewMsgIcon->setObjectName("ListViewItemMessageIconUnread");

        drawer = new HbFrameDrawer("qtg_fr_list_new_item",

                HbFrameDrawer::ThreePiecesVertical);

        drawer->setFillWholeRect(false);

        // Set drawer. Takes ownership of the drawer and deletes previous drawer.

        mNewMsgIcon->setFrameDrawer(drawer);

        mNewMsgIcon->show();

   } else {

        setFontsRead();

        mNewMsgIcon->setObjectName("ListViewItemMessageIconRead");

        drawer = new HbFrameDrawer(); // Create empty drawer.

        drawer->setFillWholeRect(false);

        // Set drawer. Takes ownership of the drawer and deletes previous drawer.

        mNewMsgIcon->setFrameDrawer(drawer);

        mNewMsgIcon->hide();        

    }

   repolish();

}

/*!

    Boolean value indicating model index availability. Always true since

    this item prototype is used for both divider and message.

 */

bool NmHsWidgetListViewItem::canSetModelIndex(const QModelIndex &index) const

{

    NM_FUNCTION;

    Q_UNUSED(index);

    // This item class can handle all items in message list.

    return true;

}

/*!

    Set fonts unread.

 */

void  NmHsWidgetListViewItem::setFontsUnread()

{

    NM_FUNCTION;

    HbFontSpec fontSpec(HbFontSpec::Primary);

    setFonts(colorRole, fontSpec);

}

/*!

    Set fonts read.

 */

void  NmHsWidgetListViewItem::setFontsRead()

{

    NM_FUNCTION;

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    setFonts(colorRole, fontSpec);

}

/*!

    Get font sizes.

 */

void  NmHsWidgetListViewItem::getFontSizes()

{

    NM_FUNCTION;

    // Get font sizes from style.

    qreal currentSize;

    bool found = style()->parameter(QString("hb-param-text-height-secondary"), currentSize );

    if (found) {

        mPrimarySize = currentSize;

    }      

    found = style()->parameter(QString("hb-param-text-height-tiny"), currentSize );

    if (found) {

        mSecondarySize = currentSize;

    }        

}

/*!

    Set fonts.

 */

void  NmHsWidgetListViewItem::setFonts(const QColor &colorRole, 

        HbFontSpec &fontSpec)

{

    NM_FUNCTION;

    // Change sizes explicitly since css is overwritten in polish now.    

    if (mSender && mSubject && mTime) {

        fontSpec.setTextHeight(mPrimarySize);

        mSender->setFontSpec(fontSpec);

        mSender->setTextColor(colorRole);

        mSubject->setFontSpec(fontSpec);

        mSubject->setTextColor(colorRole);

        mTime->setFontSpec(fontSpec);        

        mTime->setTextColor(colorRole);

    }

}

/*!

  Cleans up display name by stripping extra characters from the beginning and end of the string.

*/

QString NmHsWidgetListViewItem::cleanupDisplayName( const QString &displayName )

{

    NM_FUNCTION;

    // find the first and last position that is NOT one of the characters below

    QRegExp rx("[^\\s\"<>]");

    int firstPos = std::max(rx.indexIn(displayName), 0);

    int lastPos = rx.lastIndexIn(displayName);

    if (lastPos < 0) {

        lastPos = displayName.length() - 1;

    }

    return displayName.mid(firstPos, lastPos - firstPos + 1);

}