/*

 * 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:Message List View for the messaging application.

 *

 */

#include "msglistview.h"

// SYSTEM INCLUDES

#include <hbmenu.h>

#include <hbaction.h>

#include <hbtoolbar.h>

#include <hbtoolbarextension.h>

#include <hblistview.h>

#include <hblistwidget.h>

#include <hblistwidgetitem.h>

#include <hbgroupbox.h>

#include <hbmessagebox.h>

#include <hbframebackground.h>

#include <QSortFilterProxyModel>

#include <QGraphicsLinearLayout>

#include <hblistviewitem.h>

#include <HbStyleLoader>

#include <HbMainWindow>

#include <xqaiwrequest.h>

#include <xqappmgr.h>

#include <qtcontacts.h>

// USER INCLUDES

#include "msgconversationviewinterface.h"

#include "debugtraces.h"

#include "conversationsengine.h"

#include "conversationsenginedefines.h"

#include "convergedmessage.h"

#include "msglistviewitem.h"

QTM_USE_NAMESPACE

//Icons

const QString POPUP_LIST_FRAME("qtg_fr_popup_list_normal");

const QString NEW_MESSAGE_ICON("qtg_mono_create_message");

const QString SORT_ICON("qtg_mono_sort");

//Localized constants

#define LOC_DIALOG_DELETE_CONVERSATION hbTrId("txt_messaging_dialog_delete_conversation")

#define LOC_DIALOG_UNABLE_TO_DELETE_CONVERSATION hbTrId("txt_messaging_dialog_unable_to_delete_conversation")

//itemspecific menu

#define LOC_OPEN hbTrId("txt_common_menu_open")

#define LOC_SAVETO_CONTACTS hbTrId("txt_messaging_menu_save_to_contacts")

#define LOC_DELETE_CONVERSATION hbTrId("txt_messaging_menu_delete_conversation")

#define LOC_OPEN_CONTACT_INFO hbTrId("txt_messaging_menu_contact_info")

//main menu

#define LOC_SETTINGS    hbTrId("txt_messaging_opt_settings")

#define LOC_TB_VIEW_EXTN hbTrId("txt_messaging_button_view")

#define LOC_TB_EXTN_DRAFTS hbTrId("txt_messaging_button_drafts")

#define LOC_TB_EXTN_CONVERSATIONS hbTrId("txt_messaging_button_conversations")

#define LOC_VIEW_HEADING hbTrId("txt_messaging_title_conversations")

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

// MsgListView::MsgListView

// @see header

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

MsgListView::MsgListView(QGraphicsItem *parent) :

    MsgBaseView(parent)

    {

    //These changes are needed for splash implementation to avoid flicker

    setupToolBar();

    setupMenu();

    // Create parent layout.

    mMainLayout = new QGraphicsLinearLayout(Qt::Vertical);

    mMainLayout->setContentsMargins(0, 0, 0, 0);

    mMainLayout->setSpacing(0);

    // Create view heading.

    HbGroupBox *viewHeading = new HbGroupBox();

    viewHeading->setHeading(LOC_VIEW_HEADING);

    // Add view heading widget to main layout.

    mMainLayout->addItem(viewHeading);

    this->setLayout(mMainLayout);

    connect(this->mainWindow(), SIGNAL(viewReady()), this,

            SLOT(doDelayedConstruction()));

    }

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

// MsgListView::~MsgListView

// @see header

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

MsgListView::~MsgListView()

{

}

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

// MsgListView::longPressed

// @see header

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

void MsgListView::longPressed(HbAbstractViewItem* viewItem, const QPointF& point)

{

    if (this->isVisible()) {

        // Set the current index as the present Item's index.

        // By default it will not be set.

        mMsgList->setCurrentIndex(viewItem->modelIndex(), QItemSelectionModel::Select);

        // Create new menu

        HbMenu *contextMenu = new HbMenu();

        contextMenu->setAttribute(Qt::WA_DeleteOnClose);

        //open menu option

        contextMenu->addAction(LOC_OPEN,this,SLOT(openConversation()));

        //save to contacts for unresolved.

        int msgType = viewItem->modelIndex().data(MessageType).toInt();

        if(msgType == ConvergedMessage::Sms || 

           msgType == ConvergedMessage::Mms || 

           msgType == ConvergedMessage::BioMsg)

            {

            qint64 contactId = mMsgList->currentIndex().data(ContactId).toLongLong();

            if(contactId < 0)

                {

                contextMenu->addAction(LOC_SAVETO_CONTACTS,this,SLOT(saveToContacts()));

                }

            else

                {

                contextMenu->addAction(LOC_OPEN_CONTACT_INFO,this,SLOT(contactInfo()));

                }

            }

        //delete conversation

        contextMenu->addAction(LOC_DELETE_CONVERSATION,this,SLOT(deleteItem()));

        contextMenu->setPreferredPos(point);    

        contextMenu->show();

    }

}

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

// MsgListView::openConversation

// @see header

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

void MsgListView::openConversation(const QModelIndex& index)

{

    //TODO: model populating possibilities.

    if (index.isValid()) {

        QVariant conversationId = index.data(ConversationId);

        // Launch conversation view

        QVariantList param;

        param << MsgBaseView::CV; // target view

        param << MsgBaseView::CLV; // source view

        param << conversationId;

        emit switchView(param);

    }

}

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

// MsgListView::sendNewMessage

// @see header

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

void MsgListView::sendNewMessage()

{

    QVariantList param;

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

    param << MsgBaseView::CLV; // source view

    emit switchView(param);

}

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

// MsgListView::settings

// @see header

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

void MsgListView::settings()

{

    // Launch message settings

    QVariantList param;

    param << MsgBaseView::MSGSETTINGS;

    param << MsgBaseView::CLV;

    emit switchView(param);

}

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

// MsgListView::openConversation

// @see header

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

void MsgListView::openConversation()

{

    QModelIndex modelIndex = mMsgList->currentIndex();

    openConversation(modelIndex);

}

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

// MsgListView::showContact

// @see header

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

void MsgListView::showContact()

{

}

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

// MsgListView::deleteItem

// @see header

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

void MsgListView::deleteItem()

{

#ifdef _DEBUG_TRACES_

    qDebug() << "Inside MsgListView::deleteItem";

#endif

    QModelIndex index = mMsgList->currentIndex();

    if (index.isValid())

    {

        int sendState = index.data(SendingState).toInt();

        if(ConvergedMessage::Sending == sendState)

        {

            //confirmation dialog.

            HbMessageBox::information(LOC_DIALOG_UNABLE_TO_DELETE_CONVERSATION,

                0,0,

                HbMessageBox::Ok);      

        }

        // not in sending state and hence can be deleted.

        else

        {

            //confirmation dialog.

            HbMessageBox::question(LOC_DIALOG_DELETE_CONVERSATION,

                this,SLOT(onDialogDeleteMsg(HbAction*)),

                HbMessageBox::Delete | HbMessageBox::Cancel);       

        }

    }

#ifdef _DEBUG_TRACES_	

    qDebug() << " Leaving MsgConversationView::deleteItem";

#endif

}

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

// MsgListView::setupView

// @see header

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

void MsgListView::setupListView()

    {

    // Register the custorm css path.

    HbStyleLoader::registerFilePath(":/clv");

    mMsgList = new HbListView(this);

    mMsgList->setClampingStyle(HbScrollArea::BounceBackClamping);

    mMsgList->setLayoutName("custom");

    mMsgList->setItemRecycling(true);

    mMsgList->setUniformItemSizes(true);

    MsgListViewItem *prototype = new MsgListViewItem(this);

    mMsgList->setItemPrototype(prototype);

    mMsgList->setModel(ConversationsEngine::instance()->getConversationsSummaryModel());

    // Single tap list item

    connect(mMsgList, SIGNAL(activated(const QModelIndex&)), this,

            SLOT(openConversation(const QModelIndex&)));

    // Long tap list item

    connect(mMsgList,

            SIGNAL(longPressed(HbAbstractViewItem*, const QPointF&)), this,

            SLOT(longPressed(HbAbstractViewItem*, const QPointF&)));

    // enable tap after delete is completed

    connect(ConversationsEngine::instance(),

            SIGNAL(conversationListEntryDeleted( int )), this,

            SLOT(enableListitem( int )));

    // Add list view to main layout.

    mMainLayout->addItem(mMsgList);

    }

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

// MsgListView::addMenu

// @see header

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

void MsgListView::setupMenu()

{

    // Main menu

    HbMenu* mainMenu = this->menu();

    mainMenu->addAction(LOC_SETTINGS,this,SLOT(settings()));

}

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

// MsgListView::setupToolBar

// @see header

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

void MsgListView::setupToolBar()

{

    // ToolBar

    HbToolBar *toolBar = this->toolBar();

    toolBar->setOrientation(Qt::Horizontal);

    // Create & setup ToolBar Extension

    HbToolBarExtension *viewExtn = new HbToolBarExtension();

    HbAction *viewAction = toolBar->addExtension(viewExtn);

    viewAction->setIcon(HbIcon(SORT_ICON));

    mViewExtnList = new HbListWidget();

    mViewExtnList->setSizePolicy(QSizePolicy::Preferred,QSizePolicy::Fixed);

    mViewExtnList->addItem(LOC_TB_EXTN_DRAFTS);

    mViewExtnList->addItem(LOC_TB_EXTN_CONVERSATIONS);

    HbListViewItem *prototype = mViewExtnList->listItemPrototype();

    HbFrameBackground frame(POPUP_LIST_FRAME, HbFrameDrawer::NinePieces);

    prototype->setDefaultFrame(frame);

    connect(mViewExtnList, SIGNAL(activated(HbListWidgetItem*)),

            this,SLOT(handleViewExtnActivated(HbListWidgetItem*)));

    connect(mViewExtnList, SIGNAL(released(HbListWidgetItem*)), viewExtn, SLOT(close()));

    viewExtn->setContentWidget(mViewExtnList);

    // Create & setup 2nd ToolBar button.

    toolBar->addAction(HbIcon(NEW_MESSAGE_ICON),"",this,SLOT(sendNewMessage()));

}

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

// MsgListView::handleViewExtnActivated

// @see header

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

void MsgListView::handleViewExtnActivated(HbListWidgetItem *item)

{

    int row = mViewExtnList->row(item);

    if (DRAFTS_EXTN == row) {

        QVariantList param;

        param << MsgBaseView::DLV; // target view

        param << MsgBaseView::CLV; // source view

        emit switchView(param);

    }

}

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

// MsgListView::doDelayedConstruction

// @see header

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

void MsgListView::doDelayedConstruction()

    {    

    setupListView();

    disconnect(this->mainWindow(),SIGNAL(viewReady()),this,SLOT(doDelayedConstruction()));

    }

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

// MsgListView::saveToContacts

// @see header

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

void MsgListView::saveToContacts()

    {

    //save to contacts with phone number field prefilled.

    QList<QVariant> args;  

    QString data = mMsgList->currentIndex().data(DisplayName).toString();

    QString type = QContactPhoneNumber::DefinitionName;

    args << type;

    args << data;

    //service stuff.

    QString service("phonebookservices");

    QString interface("com.nokia.symbian.IContactsEdit");

    QString operation("editCreateNew(QString,QString)");

    XQAiwRequest* request;

    XQApplicationManager appManager;

    request = appManager.create(service, interface, operation, true); // embedded

    if ( request == NULL )

        {

        return;       

        }

    request->setArguments(args);

    request->send();

    delete request;

    }

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

// MsgListView::contactInfo

// @see header

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

void MsgListView::contactInfo()

    {

    //open contact info.

    QList<QVariant> args;  

    int contactId = mMsgList->currentIndex().data(ContactId).toInt();

    args << contactId;

    //service stuff.

    QString service("phonebookservices");

    QString interface("com.nokia.symbian.IContactsView");

    QString operation("openContactCard(int)");

    XQAiwRequest* request;

    XQApplicationManager appManager;

    request = appManager.create(service, interface, operation, true); // embedded

    if ( request == NULL )

        {

        return;       

        }

    request->setArguments(args);

    request->send();

    delete request;

    }

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

// MsgListView::onDialogDeleteMsg

// @see header

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

void MsgListView::onDialogDeleteMsg(HbAction* action)

    {

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

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

        {

        QModelIndex index = mMsgList->currentIndex();

        if (index.isValid())

            {

            HbAbstractViewItem *item = mMsgList->currentViewItem();

            item->ungrabGesture(Qt::TapGesture);

            qint64 conversationId = index.data(ConversationId).toLongLong();

            ConversationsEngine::instance()->deleteConversations(

                    conversationId);

            }

        }

    }

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

// MsgListView::enableListitem

// @see header

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

void MsgListView::enableListitem(int conversationId)

    {

    QAbstractItemModel* proxyModel = mMsgList->model();

    QModelIndexList indexList = proxyModel->match(proxyModel->index(0, 0),

            ConversationId, conversationId, 1, Qt::MatchExactly);

    HbAbstractViewItem* item = NULL;

    int count = indexList.count();

	// only item is expected to be the result of the above match function

    if (1 == count)

        {

        item = mMsgList->itemByIndex(indexList[0]);

        if (item)

            {

            item->grabGesture(Qt::TapGesture);

            }

        }

    }

//EOF