/*

* 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:

*

*

*/

#include "nmuiheaders.h"

/*!

    \class NmMessageListViewItem

    \brief list view item for message list view

*/

static const qreal NmItemLineOpacity = 0.3;

/*!

    Constructor

*/

NmMessageListViewItem::NmMessageListViewItem(QGraphicsItem *parent):

    HbTreeViewItem(parent),

    mSender(NULL),

    mSubject(NULL),

    mTime(NULL),

    mDividerTitle(NULL),

    mNewMsgIcon(NULL),

    mIcon1(NULL),

    mIcon2(NULL),

    mPrimarySize(0),

    mSecondarySize(0),

    mTinySize(0)    

{

}

/*!

    Destruction.

*/

NmMessageListViewItem::~NmMessageListViewItem()

{

}

/*!

    type. Returns items type. In this case

    the item type is custom Hb list item.

*/

int NmMessageListViewItem::type() const

{

    return NmMessageListViewItem::ItemType;

}

/*!

*/

HbTreeViewItem *NmMessageListViewItem::createItem()

{

    return new NmMessageListViewItem(*this);

}

/*!

    boolean value indicating model index availability. Always true since

    this item prototype is used for both divider and message

*/

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

{

    Q_UNUSED(index);

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

    return true;

}

/*!

    update child items. List calls this function whenever item is needed

    to be updated.

*/

void NmMessageListViewItem::updateChildItems()

{

    // Get model pointer

    NmMessageListModelItem *msgModelItem = modelIndex().data(

            Qt::DisplayRole).value<NmMessageListModelItem*>();

    // Check whether item is message item or title divider

    // and set the layout accordingly, dividers not currently used

    if (msgModelItem && msgModelItem->itemType() ==

        NmMessageListModelItem::NmMessageItemMessage){

        NmMessageListModel *model = static_cast<NmMessageListModel*>(msgModelItem->model());

        if (model){

            // First set item layout

            createMessageItemLayout();

            // Set content data to item after layout is created

            setContentsToMessageItem(msgModelItem->envelope(), model->dividersActive());

        }

    }

    HbTreeViewItem::updateChildItems();

}

/*!

    Set item layout.

    Function does not take ownership of model or model item

*/

void NmMessageListViewItem::createMessageItemLayout()

{ 

    getFontSizes();

    // Create sender label and set name from widgetml

    if (!mSender){

        mSender = new HbTextItem(this);

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

        mSender->setObjectName("ListViewItemMessageSender");

        mSender->setTextWrapping(Hb::TextNoWrap);

    }

    // 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");

        mSubject->setTextWrapping(Hb::TextNoWrap);

    }

    // Set new message icon

    if (!mNewMsgIcon) {

        mNewMsgIcon = new HbFrameItem(this);

     }

    // Create priority icon and set name from widgetml

    if (!mIcon1){

        mIcon1 = new HbIconItem(this);

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

        // According to layout guide, icon alignment is always right

        mIcon1->setAlignment(Qt::AlignRight);

    }

    // Create attachment icon and set name from widgetml

    if (!mIcon2){

        mIcon2 = new HbIconItem(this);

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

        // According to layout guide, icon alignment is always right

        mIcon2->setAlignment(Qt::AlignRight);

    }

    setObjectName("ListViewItemMessage");

}

/*!

    set item text label contents, icons, etc.

    Function does not take ownership of model or model item

*/

void NmMessageListViewItem::setContentsToMessageItem(const NmMessageEnvelope &envelope, 

                                                     bool dividersActive)

{

    // member variables are created in previous function

    // sender

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

    if (displayName.length()) {

        mSender->setText(NmUtilities::cleanupDisplayName(displayName));

    } else {

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

    }

    // time

    HbExtendedLocale locale = HbExtendedLocale::system();

    QDate sentLocalDate = envelope.sentTime().toLocalTime().date();

    QDate currentdate = QDate::currentDate();

    if (dividersActive || sentLocalDate == currentdate) {

        QString shortTimeSpec = r_qtn_time_usual;

        QTime time = envelope.sentTime().toLocalTime().time();

        mTime->setText(locale.format(time, shortTimeSpec));

    } else {

        QString shortDateSpec = r_qtn_date_without_year;

        mTime->setText(locale.format(sentLocalDate, shortDateSpec));

    }

    // subject 

    QString subjectText = envelope.subject();

    if (subjectText.length()) {

        mSubject->setText(subjectText);

    } else {

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

    }

    // priority

    bool priorityIs(false);

    mIcon1->hide();

    mIcon2->hide();

    switch (envelope.priority()) {

        case NmMessagePriorityLow:

            priorityIs = true;

            mIcon1->setObjectName("ListViewItemMessageIconPriorityLow");

            mIcon1->setIcon(NmIcons::getIcon(NmIcons::NmIconPriorityLow));

            mIcon1->show();

            break;

        case NmMessagePriorityHigh:

            priorityIs = true;

            mIcon1->setObjectName("ListViewItemMessageIconPriorityHigh");

            mIcon1->setIcon(NmIcons::getIcon(NmIcons::NmIconPriorityHigh));

            mIcon1->show();

            break;

        case NmMessagePriorityNormal:

        default:

            // Normal priority has no icon so hide the label hide.

            mIcon1->setObjectName("ListViewItemMessageIconPriorityNormal");

            break;

    }

    // attachments

    HbIconItem *attaIcon = (priorityIs ? mIcon2 : mIcon1);

    if (envelope.hasAttachments()) {

        HbIcon &icon = NmIcons::getIcon(NmIcons::NmIconAttachment);

        attaIcon->setIcon(icon);

        attaIcon->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);

    } 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);

    }

}

/*!

    paint. Paint function for line painting.

*/

void NmMessageListViewItem::paint(

    QPainter *painter,

    const QStyleOptionGraphicsItem *option,

    QWidget *widget)

{

    Q_UNUSED(option);

    Q_UNUSED(widget);

    if (painter){

        painter->setOpacity(NmItemLineOpacity);

        QColor col = HbColorScheme::color("list_item_content_normal");

        if (col.isValid()) {

            painter->setPen(col);

        }

        QLineF line1( rect().topLeft().x(), rect().bottomRight().y(),

                     rect().bottomRight().x(), rect().bottomRight().y());

        painter->drawLine(line1);

        // Draw line before each item

        QLineF line2( rect().topLeft().x(), rect().topLeft().y(),

                     rect().bottomRight().x(), rect().topLeft().y());

        painter->drawLine(line2);

    }

}

void  NmMessageListViewItem::setFontsUnread()

{    

    static QColor colorRole = HbColorScheme::color("list_item_title");

    HbFontSpec spekki(HbFontSpec::Primary);

    setFonts(colorRole, spekki);

}

void  NmMessageListViewItem::setFontsRead()

{

    static QColor colorRole = HbColorScheme::color("list_item_content");

    HbFontSpec spekki(HbFontSpec::Secondary);

    setFonts(colorRole, spekki);

}

void  NmMessageListViewItem::getFontSizes()

{

    // Get font sizes from style  

    qreal currentSize;

    HbStyle mystyle;

    bool found = mystyle.parameter(QString("hb-param-text-height-primary"), currentSize );

    if (found) {

        mPrimarySize = currentSize;

    }      

    found = mystyle.parameter(QString("hb-param-text-height-secondary"), currentSize );

    if (found) {

        mSecondarySize = currentSize;

    }        

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

    if (found) {

        mTinySize = currentSize;

    } 

}

void  NmMessageListViewItem::setFonts(const QColor &colorRole, 

        HbFontSpec &spekki)

{

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

    if (mSender && mSubject && mTime) {

        if (mPrimarySize) {

            spekki.setTextHeight(mPrimarySize);

        }      

        mSender->setFontSpec(spekki);

        mSender->setTextColor(colorRole);

        if (mSecondarySize) {

            spekki.setTextHeight(mSecondarySize);

        }        

        mSubject->setFontSpec(spekki);

        mSubject->setTextColor(colorRole);

        if (mTinySize) {

            spekki.setTextHeight(mTinySize);

        } 

        mTime->setFontSpec(spekki);        

        mTime->setTextColor(colorRole);

    }

}