/*

 * 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: Main view of unified viewer

 *

 */

#include "unifiedviewer.h"

// SYSTEM INCLUDES

#include <QGraphicsLinearLayout>

#include <HbAction>

#include <HbToolBar>

#include <hbmessagebox.h>

#include <hbnotificationdialog.h>

#include <HbStyleLoader>

#include <centralrepository.h>

#include <MmsEngineDomainCRKeys.h>

// USER INCLUDES

#include "uniscrollarea.h"

#include "unicontentswidget.h"

#include "univiewerfeeder.h"

#include "convergedmessageid.h"

#include "convergedmessage.h"

#include "convergedmessageaddress.h"

#include "conversationsenginedefines.h"

#include "conversationsengine.h"

#include "debugtraces.h"

#include "nativemessageconsts.h"

// LOCAL CONSTANTS

const QString REPLY_ICON("qtg_mono_reply");

const QString REPLY_ALL_ICON("qtg_mono_reply_all");

const QString FORWARD_ICON("qtg_mono_forward_msg");

const QString SEND_ICON("qtg_mono_send");

const QString DELETE_ICON("qtg_mono_delete");

//LOCALIZED CONSTANTS

#define LOC_DELETE_MESSAGE hbTrId("txt_messaging_dialog_delete_message")

#define LOC_BUTTON_DELETE hbTrId("txt_common_button_delete")

#define LOC_BUTTON_CANCEL hbTrId("txt_common_button_cancel")

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

// UnifiedViewer::UnifiedViewer

// constructor

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

UnifiedViewer::UnifiedViewer(const qint32 messageId, 

                             int canForwardMessage,

                             QGraphicsItem *parent) :

    MsgBaseView(parent), mForwardMessage(false)

{

    QDEBUG_WRITE("UnifiedViewer contruction start");

    if (!HbStyleLoader::registerFilePath(":/layouts"))

    {

        QDEBUG_WRITE("ERROR: UnifiedViewer -> HbStyleLoader::registerFilePath");

    }

    mMessageId = messageId;

    mViewFeeder = new UniViewerFeeder(mMessageId, this);

    if (canForwardMessage > 0) mForwardMessage = true;

    mScrollArea = new UniScrollArea(this);

    this->setWidget(mScrollArea);

    mContentsWidget = new UniContentsWidget(mViewFeeder,this);

    connect(mContentsWidget,SIGNAL(sendMessage(const QString&,const QString&)),

            this, SLOT(sendMessage(const QString&,const QString&)));

    connect(mScrollArea, SIGNAL(scrolledToNextSlide()),

    mContentsWidget, SLOT(populateNextSlide()));

    mScrollArea->setContentWidget(mContentsWidget);

    mScrollArea->setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff);

    mScrollArea->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAutoHide);

    QDEBUG_WRITE("UnifiedViewer contruction End");

}

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

// UnifiedViewer::UnifiedViewer

// Destructor

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

UnifiedViewer::~UnifiedViewer()

{

    HbStyleLoader::unregisterFilePath(":/layouts");

}

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

// UnifiedViewer::createToolBar

// Creates tool bar actions

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

void UnifiedViewer::createToolBar()

{

    HbToolBar* toolbar = this->toolBar();

    toolbar->setOrientation(Qt::Horizontal);

    int sendingState = mViewFeeder->sendingState();

    if (mViewFeeder->sendingState() == ConvergedMessage::Failed)

    {

        toolbar->addAction(HbIcon(SEND_ICON), "");

    }

    else

    {

        toolbar->addAction(HbIcon(REPLY_ICON), "");

        if (mViewFeeder->recipientCount() > 1)

        {

            toolbar->addAction(HbIcon(REPLY_ALL_ICON), "");

        }

    }

    if (mForwardMessage)    

    {

        toolbar->addAction(HbIcon(FORWARD_ICON), "", this, SLOT(handleFwdAction()));

    }

    toolbar->addAction(HbIcon(DELETE_ICON), "", this, SLOT(handleDeleteAction()));

}

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

// UnifiedViewer::clearContent

// @see header file

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

void UnifiedViewer::clearContent()

{

    QDEBUG_WRITE("UnifiedViewer clearContent start");

    mContentsWidget->clearContent();

    mContentsWidget->resize(mContentsWidget->rect().width(), -1);

    mScrollArea->setPosToStart();

    mViewFeeder->clearContent();

    QDEBUG_WRITE("UnifiedViewer clearContent End");

}

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

// UnifiedViewer::populateContent

// @see header file

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

void UnifiedViewer::populateContent(const qint32 messageId, bool update, int msgCount)

{

    QDEBUG_WRITE("UnifiedViewer populateContent Start");

    mMsgCount = msgCount;

    mMessageId = messageId;

    QDEBUG_WRITE("UnifiedViewer feeder->updateContent START");

    if (update)

    {

        mViewFeeder->updateContent(messageId);

    }

    QDEBUG_WRITE("UnifiedViewer feeder->updateContent END");

    // Dont show the scroll bar.

    mScrollArea->setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff);

    if ( (mViewFeeder->msgType() == KSenduiMtmMmsUidValue) &&

         (mViewFeeder->slideCount() > 0) )

    {

        mScrollArea->setTotalSlides(mViewFeeder->slideCount());

    }

    else

    {

        mScrollArea->setTotalSlides(1);

    }

    mScrollArea->resetCurrentSlide();

    mContentsWidget->populateContent();

    //Creation of toolbar now depends on content

    createToolBar();

    QDEBUG_WRITE("UnifiedViewer populateContent END");

}

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

// UnifiedViewer::handleFwdAction

// @see header file

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

void UnifiedViewer::handleFwdAction()

{

    ConvergedMessage message;

    ConvergedMessageId id(mMessageId);

    message.setMessageId(id);

    if(mViewFeeder->msgType() == KSenduiMtmMmsUidValue)

    {

        message.setMessageType(ConvergedMessage::Mms);

    }

    else

    {

        message.setMessageType(ConvergedMessage::Sms);    

    }

    QByteArray dataArray;

    QDataStream messageStream

    (&dataArray, QIODevice::WriteOnly | QIODevice::Append);

    message.serialize(messageStream);

    QVariantList params;

    params << MsgBaseView::UNIEDITOR; // target view

    params << MsgBaseView::UNIVIEWER; // source view

    params << dataArray;

    params << MsgBaseView::FORWARD_MSG;

    emit switchView(params);

}

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

// UnifiedViewer::resizeEvent

// @see header file

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

void UnifiedViewer::resizeEvent(QGraphicsSceneResizeEvent * event)

{

    Q_UNUSED(event)

    mContentsWidget->resize(this->rect().width(), this->rect().height()+1);

}

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

// UnifiedViewer::handleDeleteAction

// @see header file

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

void UnifiedViewer::handleDeleteAction()

{

    HbMessageBox::question(LOC_DELETE_MESSAGE,this,SLOT(onDialogDeleteMsg(HbAction*)),

                                         LOC_BUTTON_DELETE, 

                                         LOC_BUTTON_CANCEL);

}

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

// UnifiedViewer::sendMessage

// @see header file

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

void UnifiedViewer::sendMessage(const QString& phoneNumber,const QString& alias)

    {

    ConvergedMessage message;

    message.setBodyText(QString());

    ConvergedMessageAddress address;

    address.setAlias(alias);

    address.setAddress(phoneNumber);

    message.addToRecipient(address);

    QByteArray dataArray;

    QDataStream messageStream

    (&dataArray, QIODevice::WriteOnly | QIODevice::Append);

    message.serialize(messageStream);

    QVariantList params;

    params << MsgBaseView::UNIEDITOR;

    params << MsgBaseView::UNIVIEWER;

    params << dataArray;

    emit switchView(params);

    }

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

// UnifiedViewer::onDialogDeleteMsg

// @see header file

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

void UnifiedViewer::onDialogDeleteMsg(HbAction* action)

{

    HbMessageBox *dlg = qobject_cast<HbMessageBox*> (sender());

    if (action == dlg->actions().at(0)) {

        QList<int> msgIdList;

        msgIdList << mMessageId;

        ConversationsEngine::instance()->deleteMessages(msgIdList);

        QVariantList param;

        if (mMsgCount > 1) {

            param << MsgBaseView::CV;

            param << MsgBaseView::UNIVIEWER;

        }

        else {

            param << MsgBaseView::CLV;

            param << MsgBaseView::UNIVIEWER;

        }

        QVariant dummy(QVariant::Invalid);

        param << dummy;

        emit switchView(param);

    }

}

// EOF