/*

 * 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:Custom widget derived from HbTextEdit which provides rich text

 *              processing

 *

 */

#include "univieweraddresswidget.h"

// SYSTEM INCLUDES

#include <QTextCursor>

#include <QTextBlock>

#include <QApplication>

#include <QClipboard>

#include <HbMenu>

#include <HbAction>

#include <HbTapGesture>

#include <xqservicerequest.h>

#include <xqappmgr.h>

#include <cntservicescontact.h>

#include <qtcontacts.h>

#include <xqservicerequest.h>

#include <xqaiwrequest.h>

#include "msgcontacthandler.h"

// LOCAL CONSTANTS

const QString ADDRESS_SEPARATOR("; ");

const QString ADDRESS_OPEN(" (");

const QString ADDRESS_CLOSE(")");

const QString SPACE(" ");

//localization

#define LOC_CONTACT_INFO      hbTrId("txt_messaging_menu_contact_info")

#define LOC_CALL              hbTrId("txt_common_menu_call_verb")

#define LOC_SEND_MESSAGE      hbTrId("txt_common_menu_send_message")

#define LOC_SAVE_TO_CONTACTS  hbTrId("txt_common_menu_save_to_contacts")

#define LOC_COPY              hbTrId("txt_common_menu_copy")

const QString BG_FRAME_GRAPHICS("qtg_fr_lineedit_normal");

//---------------------------------------------------------------

// UniViewerAddressWidget::UniViewerAddressWidget

// @see header file

//---------------------------------------------------------------

UniViewerAddressWidget::UniViewerAddressWidget(QGraphicsItem * parent) :

HbTextEdit(parent),

mCursorPos(-1)

{

    this->setReadOnly(true);    

    this->setScrollable(false);

    this->setFlag(QGraphicsItem::ItemIsFocusable,false);

    this->setCursorVisibility(Hb::TextCursorHidden);

    this->setBackgroundItem(0);   

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    QFont font = fontSpec.font();

    this->setFont(font);

    mFormatNormal.setForeground(palette().link());

    mFormatNormal.setBackground(Qt::transparent);

    mFormatHighlight.setBackground(palette().highlight());

    mFormatHighlight.setForeground(palette().highlightedText());

    connect(this, SIGNAL(aboutToShowContextMenu(HbMenu*,QPointF)),

            this, SLOT(aboutToShowContextMenu(HbMenu*,QPointF)));

}

//---------------------------------------------------------------

// UniViewerAddressWidget::~UniViewerAddressWidget

// @see header file

//---------------------------------------------------------------

UniViewerAddressWidget::~UniViewerAddressWidget()

{

}

//---------------------------------------------------------------

//UniViewerAddressWidget :: gestureEvent

// @see header file

//---------------------------------------------------------------

void UniViewerAddressWidget::gestureEvent(QGestureEvent* event)

{

    //handle gesture to highlight and dehighlight find item.

    if(HbTapGesture *tap = qobject_cast<HbTapGesture*>(event->gesture(Qt::TapGesture)))

    {

        //capturing gesture position, and map to local co-ordinates.

        QPointF pos = mapFromScene(tap->scenePosition());

        switch (tap->state()) 

        {

            case Qt::GestureStarted:

            {

                //highlight find item.

                QTextDocument* doc = this->document();

                mCursorPos = doc->documentLayout()->hitTest(pos, Qt::ExactHit);

                highlightText(true);

                break;

            }  

            case Qt::GestureFinished:

            {

                if (HbTapGesture::Tap == tap->tapStyleHint()) 

                {

                    //gesture is finshed dehighlight text.

                    highlightText(false);

                    QString anchor = this->anchorAt(pos);

                    //do short tap action.

                    if (!anchor.isEmpty() && !this->textCursor().hasSelection())

                    {

                        shortTapAction(anchor,tap->scenePosition());

                    }

                }

                break;

            }

            case Qt::GestureCanceled:

            {

                //gesture is canceled due to pan or swipe, dehighlight text.

                if (HbTapGesture::Tap == tap->tapStyleHint()) 

                {

                highlightText(false);

                break;

                }

            }

            default:

                break;

        }

        event->accept();

    }

    else

    {

        event->ignore();

    }

    //passing gesture event to base class.

    HbTextEdit::gestureEvent(event);

}

//----------------------------------------------------------------------------

// UniViewerAddressWidget::populate

// @see header file

//----------------------------------------------------------------------------

void UniViewerAddressWidget::populate(const QString &label,

                                      const QString &address,

                                      const QString &alias)

{

    QString labelText = label;

    labelText.trimmed();

    labelText += SPACE;

    //Font.

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    qreal fontHeight = 0.0;

    style()->parameter("hb-param-text-height-tiny", fontHeight);

    fontSpec.setTextHeight(fontHeight);    

    QFont font = fontSpec.font();

    QTextCharFormat labelFormat;

    labelFormat.setFont(font);

    QTextCharFormat addressFormat;

    addressFormat.setForeground(palette().link());

    addressFormat.setFontUnderline(true);

    // Insert the label then the addresses

    QTextCursor cursor(this->textCursor());

    cursor.insertText(labelText,labelFormat);

    QString address1 = QString();

    if (!(alias.isEmpty()))

    {

        address1.append(alias);

        QString alias1 = QString();

        int totalNumbers = 0;

        MsgContactHandler::resolveContactDisplayName(

                        address,

                        alias1,

                        totalNumbers);

        if (totalNumbers > 1)

        {

            address1.append(ADDRESS_OPEN);

            address1.append(address);

            address1.append(ADDRESS_CLOSE);

        }

    }

    else

    {

        address1.append(address);

    }

    addressFormat.setAnchorHref(address);

    cursor.insertText(address1, addressFormat);

}

//----------------------------------------------------------------------------

// UniViewerAddressWidget::populate

// @see header file

//----------------------------------------------------------------------------

void UniViewerAddressWidget::populate(const QString &label,

                                      ConvergedMessageAddressList addressList)

{

    QString labelText = label;

    labelText.trimmed();

    labelText += SPACE;

    //Font.

    HbFontSpec fontSpec(HbFontSpec::Secondary);

    qreal fontHeight = 0.0;

    style()->parameter("hb-param-text-height-tiny", fontHeight);

    fontSpec.setTextHeight(fontHeight);    

    QFont font = fontSpec.font();

    QTextCharFormat labelFormat;

    labelFormat.setFont(font);

    QTextCharFormat defaultFormat;

    defaultFormat.setForeground(palette().link());

    QTextCharFormat addressFormat;

    addressFormat.setForeground(palette().link());

    addressFormat.setFontUnderline(true);

    // Insert the label then the addresses

    QTextCursor cursor(this->document());

    cursor.insertText(labelText,labelFormat);

    int addressCount = addressList.count();

    for (int i = 0; i < addressCount; ++i)

    {

        QString address = QString();

        if (! (addressList[i]->alias().isEmpty()))

        {

            address.append(addressList[i]->alias());

            QString alias = QString();

            int totalNumbers = 0;

            MsgContactHandler::resolveContactDisplayName(

                            addressList[i]->address(),

                            alias,

                            totalNumbers);

            if (totalNumbers > 1)

            {

                address.append(ADDRESS_OPEN);

                address.append(addressList[i]->address());

                address.append(ADDRESS_CLOSE);

            }

        }

        else

        {

            address.append(addressList[i]->address());

        }

        addressFormat.setAnchorHref(addressList[i]->address());

        cursor.insertText(address, addressFormat);

        if (addressCount - 1 != i)

        {

            cursor.insertText(ADDRESS_SEPARATOR, defaultFormat);

        }

    }

}

//----------------------------------------------------------------------------

// UniViewerAddressWidget::clearContent

// @see header file

//----------------------------------------------------------------------------

void UniViewerAddressWidget::clearContent()

{

    this->document()->clear();

}

//----------------------------------------------------------------------------

// UniViewerAddressWidget::menuClosed

// @see header file

//----------------------------------------------------------------------------

void UniViewerAddressWidget::menuClosed()

{

    highlightText(false);

}

//----------------------------------------------------------------------------

// UniViewerAddressWidget::highlightText

// @see header file

//----------------------------------------------------------------------------

void UniViewerAddressWidget::highlightText(bool highlight)

{

    QTextBlock textBlock = this->document()->findBlock(mCursorPos);

    QTextBlock::iterator it;

    for (it = textBlock.begin(); !(it.atEnd()); ++it)

    {

        QTextFragment currentFragment = it.fragment();

        if (currentFragment.isValid() && currentFragment.contains(mCursorPos)

            && currentFragment.charFormat().fontUnderline())

        {

            int start = currentFragment.position();

            int length = currentFragment.length();

            QTextCursor cursor = this->textCursor();

            cursor.clearSelection();

            cursor.setPosition(start);

            cursor.setPosition(start + length,QTextCursor::KeepAnchor);

            if(highlight)

            {

                cursor.mergeCharFormat(mFormatHighlight);

            }

            else

            {

                cursor.mergeCharFormat(mFormatNormal);

            }

            cursor.clearSelection();

            break;

        }

    }

}

void UniViewerAddressWidget::aboutToShowContextMenu(HbMenu *contextMenu, const QPointF &pos)

{

    //remove default actions.

    contextMenu->clearActions();

    // Check if there is an anchor at this pos

    QString  anchor = this->anchorAt(pos);

    if(!anchor.isEmpty() && !this->textCursor().hasSelection())

    {

        populateMenu(contextMenu,anchor);

    }

}

void UniViewerAddressWidget::populateMenu(HbMenu* contextMenu,const QString& data)

{

    HbAction* action = NULL;

    int contactId = MsgContactHandler::resolveContactDisplayName(

                                 data, 

                                 QContactPhoneNumber::DefinitionName,

                                 QContactPhoneNumber::FieldNumber); 

    if(contactId > 0)

    {

        action = contextMenu->addAction(LOC_CONTACT_INFO, this, SLOT(openContactInfo()));

        action->setData(data);

    }

    else

    {

        action = contextMenu->addAction(LOC_SAVE_TO_CONTACTS, this, SLOT(saveToContacts()));

        action->setData(data);  

    }

    action = contextMenu->addAction(LOC_CALL, this, SLOT(call()));

    action->setData(data);

    action = contextMenu->addAction(LOC_SEND_MESSAGE, this, SLOT(sendMessage()));

    action->setData(data);

    action = contextMenu->addAction(LOC_COPY, this, SLOT(copyToClipboard()));

    action->setData(data);

    connect(contextMenu,SIGNAL(aboutToClose()),this,SLOT(menuClosed())); 

}

void UniViewerAddressWidget::shortTapAction(QString anchor,const QPointF& pos)

{

    HbAction action;

    action.setData(anchor);

    int contactId = MsgContactHandler::resolveContactDisplayName(

        anchor, 

        QContactPhoneNumber::DefinitionName,

        QContactPhoneNumber::FieldNumber);        

    if(contactId > 0 )

    {

        //if resolved conatct open contact card 

        connect(&action,SIGNAL(triggered()),this,SLOT(openContactInfo()));

    }

    else

    {

        //unresolved contact show popup.  

        highlightText(true);

        HbMenu* contextMenu = new HbMenu();

        contextMenu->setDismissPolicy(HbPopup::TapAnywhere);

        contextMenu->setAttribute(Qt::WA_DeleteOnClose, true);

        contextMenu->setPreferredPos(pos); 

        populateMenu(contextMenu,anchor);

        contextMenu->show();

    }

    action.trigger();

}

void UniViewerAddressWidget::copyToClipboard()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QMimeData* data = new QMimeData();

        QString str = action->data().toString();

        data->setText(str);

        QApplication::clipboard()->setMimeData(data);

    }

}

void UniViewerAddressWidget::call()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QString phoneNumber = action->data().toString();

        //invoke dialer service and pass phoneNumber.        

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

        QString operation("dial(QString)");

        XQServiceRequest* serviceRequest = new XQServiceRequest(serviceName,operation,false);

        connect(serviceRequest, SIGNAL(requestCompleted(QVariant)),

                this, SLOT(onServiceRequestCompleted()));

        connect(serviceRequest, SIGNAL(requestError(int)),

                this, SLOT(onServiceRequestCompleted()));

        *serviceRequest << phoneNumber;

        serviceRequest->send();

    }

}

void UniViewerAddressWidget::onServiceRequestCompleted()

    {

    //service request is now complete. delete it.    

    XQServiceRequest* request = qobject_cast<XQServiceRequest*>(sender());

    if(request)

        {

        delete request;

        }

    }

void UniViewerAddressWidget::openContactInfo()

{

    HbAction* action = qobject_cast<HbAction*>(sender());

    if(action)

    {

        QString data = action->data().toString();        

        int contactId = MsgContactHandler::resolveContactDisplayName(

                data,

                QContactPhoneNumber::DefinitionName,

                QContactPhoneNumber::FieldNumber);

        // if contact is unresolved on phone number field

        // then, try resolving it on email address field

        if(contactId <= 0)

        {

            contactId = MsgContactHandler::resolveContactDisplayName(

                data,

                QContactEmailAddress::DefinitionName,

                QContactEmailAddress::FieldEmailAddress);

        }