/*

 * Copyright (c) 2010 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 <QtGui>

#include <hbdocumentloader.h>

#include <hblabel.h>

#include <hbframedrawer.h>

#include <hbframeitem.h>

#include "nmicons.h"

#include "nmhswidgettitlerow.h"

#include "nmhswidgetconsts.h"

#include "emailtrace.h"

NmHsWidgetTitleRow::NmHsWidgetTitleRow(QGraphicsItem *parent, Qt::WindowFlags flags) :

    HbWidget(parent, flags), 

    mMailboxIcon(0), 

    mMailboxInfo(0), 

    mUnreadCountLabel(0),

    mCollapseExpIconLabel(0), 

    mAccountName(),

    mUnreadCount(0),

    mBackgroundLayoutItem(0)

{

    NM_FUNCTION;

}

/*!

 Destructor

 */

NmHsWidgetTitleRow::~NmHsWidgetTitleRow()

{

    NM_FUNCTION; 

}

/*!

 \fn QPainterPath NmHsWidgetTitleRow::shape()

 Called by home screen fw to check widget boundaries, needed to draw

 outside widget boundingRect.

 /return QPainterPath path describing actual boundaries of widget 

  including child items

 */

QPainterPath NmHsWidgetTitleRow::shape() const

{

    NM_FUNCTION;

    QPainterPath path;

    path.setFillRule(Qt::WindingFill);

    path.addRect(this->geometry());

    if (mMailboxIcon){

        path.addRect(mMailboxIcon->geometry());

    }    

    return path.simplified();

}

/*

 Setup email row ui

  Must be called after constructor.

   /return true if loading succeeded, otherwise false. False indicates that object is unusable.

 */

    {

    NM_FUNCTION;

        return false;

    }

    return true;

    }

/*!

 Loads layout data and child items from docml file. Must be called after constructor.

 /return true if loading succeeded, otherwise false. False indicates that object is unusable

 */

{

    NM_FUNCTION;

    QT_TRY{

        //Create layout

        QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);

        layout->setContentsMargins(KNmHsWidgetContentsMargin, KNmHsWidgetContentsMargin,

            KNmHsWidgetContentsMargin, KNmHsWidgetContentsMargin);

        layout->setSpacing(KNmHsWidgetContentsMargin);

        setLayout(layout); //pass the ownership

        // find container widget

        QGraphicsWidget *container = loader.findWidget(KNmHsWidgetTitleRowContainer);

        if (!container) {

            NM_ERROR(1,"NmHsWidgetTitleRow::loadDocML Fail @ container");

            return false;

        }

        layout->addItem(container);

        //child items possible to update

        mMailboxIcon = static_cast<HbLabel*> (loader.findWidget(KNmHsWidgetTitleRowMailboxIcon));

        mMailboxInfo = static_cast<HbLabel*> (loader.findWidget(KNmHsWidgetTitleRowMailboxNameLabel));

        mUnreadCountLabel = static_cast<HbLabel*> (loader.findWidget(

            KNmHsWidgetTitleRowUnreadCountLabel));

        mCollapseExpIconLabel = static_cast<HbPushButton*> (loader.findWidget(

            KNmHsWidgetTitleRowCollapseExpandIconLabel));

        if (!mMailboxIcon || !mMailboxInfo || !mUnreadCountLabel || !mCollapseExpIconLabel) {

            NM_ERROR(1,"NmHsWidgetTitleRow::loadDocML Fail @ icons & labels");

            return false;

        }

		//Expand collapse button

        connect(mCollapseExpIconLabel, SIGNAL(clicked()), this, SIGNAL(expandCollapseButtonPressed()));

        return true;

    }

    QT_CATCH(...){

        return false;

    }

}

/*

 Setup graphics that cannot be loaded from docml.

  /return true if loading succeeded, otherwise false. False indicates that object is unusable.

 */

bool NmHsWidgetTitleRow::setupGraphics()

    NM_FUNCTION;

    HbFrameDrawer* backgroundFrameDrawer = 0;

    QT_TRY{

        //pressed background

        backgroundFrameDrawer = new HbFrameDrawer("qtg_fr_hsitems_pressed", HbFrameDrawer::NinePieces);

        mBackgroundLayoutItem = new HbFrameItem( backgroundFrameDrawer );

        setBackgroundItem( mBackgroundLayoutItem );

		mBackgroundLayoutItem->hide();

        //set fonts color

		setHighlighedFontsColor(false);

        return true;

    }

    QT_CATCH(...){

        if(!mBackgroundLayoutItem && backgroundFrameDrawer){

            delete backgroundFrameDrawer;

            backgroundFrameDrawer = NULL;

        }

        return false;

    }

/*!

 Slot for updating account name, calls updateData to update ui.

 */

void NmHsWidgetTitleRow::updateAccountName(const QString& accountName)

{

    NM_FUNCTION;

    mAccountName = accountName;

    updateData();

}

/*!

 Set account icon name

 */

void NmHsWidgetTitleRow::setAccountIcon(const QString& accountIconName)

{

    NM_FUNCTION;

    mMailboxIcon->setIcon(accountIconName);

}

/*!

 Slot for updating unread count, calls updateData to update ui.

 */

void NmHsWidgetTitleRow::updateUnreadCount(const int& unreadCount)

{

    NM_FUNCTION;

    mUnreadCount = unreadCount;

    updateData();

}

/*!

 Slot for updating expand collapse icon

 */

void NmHsWidgetTitleRow::setExpandCollapseIcon(const bool& expand)

{

    NM_FUNCTION;

    if(expand){

        HbIcon icon("qtg_mono_arrow_up");

        mCollapseExpIconLabel->setIcon(icon);

    }

    else{

        HbIcon icon("qtg_mono_arrow_down");

        mCollapseExpIconLabel->setIcon(icon);

    }

}

/*!

 Update the data displayed in the UI

 */

void NmHsWidgetTitleRow::updateData()

{

    NM_FUNCTION;

    mMailboxInfo->setPlainText(mAccountName);

    //If unread count is -1, hide the unread count label completely.

    //This indicates that there are no mails at all (or the initial sync is not done)

        QString unreadCount(hbTrId("txt_mail_widget_list_l1").arg(mUnreadCount));

        mUnreadCountLabel->setPlainText(unreadCount);

    }

    else {

    }

}

/*!

    sets fonts color.

    /param bool pressed indicates if row is pressed down or not

*/

void NmHsWidgetTitleRow::setHighlighedFontsColor( bool pressed )

    {

    NM_FUNCTION;

    QColor newFontColor;

    if(pressed){

        newFontColor = HbColorScheme::color("qtc_hs_list_item_pressed");

    }

    else{

        newFontColor = HbColorScheme::color("qtc_hs_list_item_title_normal");

    }

    mMailboxInfo->setTextColor(newFontColor);

    mUnreadCountLabel->setTextColor(newFontColor);

    }

/*!

    change background pressed state

    /param bool show if true then shown, false hide

*/

void NmHsWidgetTitleRow::showHighlight( bool show )

    {

    NM_FUNCTION;;

    if(show){

        mBackgroundLayoutItem->show();

    }

    else{

        mBackgroundLayoutItem->hide();

    }

    }

/*!

 mousePressEvent(QGraphicsSceneMouseEvent *event)

 */

void NmHsWidgetTitleRow::mousePressEvent(QGraphicsSceneMouseEvent *event)

{

    NM_FUNCTION;

	//to avoid opening email account mistakenly  when tabbing expand/collapse button

	//we dont handle events that are on the top, down or right side of the button

    if(event->pos().x() < mUnreadCountLabel->geometry().right())

        {

        setHighlighedFontsColor(true);

        showHighlight(true);

        }

}

/*!

    mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

*/

void NmHsWidgetTitleRow::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)

{

    NM_FUNCTION;

	//to avoid opening email account mistakenly when tabbing expand/collapse button

	//we dont handle events that are on the top, down or right side of the button

    if(event->pos().x() < mUnreadCountLabel->geometry().right())

        {

        setHighlighedFontsColor(false);

        showHighlight(false);

        emit mailboxLaunchTriggered();

        }

}

/*

 * NmHsWidgetTitleRow::event()

 */

bool NmHsWidgetTitleRow::event( QEvent *event )

{

    NM_FUNCTION;

    QEvent::Type eventType = event->type();

    if( eventType == HbEvent::ThemeChanged ){

        setHighlighedFontsColor(false);

        return true;

    }

    return HbWidget::event(event);

}