/*

 * 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 <hbinstance.h>

#include <hbapplication.h>

#include <hbaction.h>

#include <hbtoolbar.h>

#include <hbtoolbarextension.h>

#include <hblistview.h>

#include <hblistwidget.h>

#include <hblistwidgetitem.h>

#include <hbnotificationdialog.h>

#include <hbgroupbox.h>

#include <hbmessagebox.h>

#include <hbframebackground.h>

#include <QProcess>

#include <QSortFilterProxyModel>

#include <QGraphicsLinearLayout>

//cp settings launcher.

#include <cppluginlauncher.h>

#include <hblistviewitem.h>

#include <HbStyleLoader>

#include <hbeffect.h>

// USER INCLUDES

#include "msgconversationviewinterface.h"

#include "debugtraces.h"

#include "conversationsengine.h"

#include "conversationsenginedefines.h"

#include "msglistviewitem.h"

//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_MENU_DELETE_CONVERSATION hbTrId("txt_messaging_menu_delete_conversation")

#define LOC_DIALOG_DELETE_CONVERSATION hbTrId("txt_messaging_dialog_delete_conversation")

#define LOC_POPINFO_CONVERSATION_DELETED hbTrId("txt_messaging_dpopinfo_conversation_deleted")

#define LOC_COMMON_OPEN hbTrId("txt_common_menu_open")

#define LOC_BUTTON_DELETE hbTrId("txt_common_button_delete")

#define LOC_BUTTON_CANCEL hbTrId("txt_common_button_cancel")

#define LOC_SETTINGS hbTrId("txt_messaging_opt_settings")

#define LOC_TB_VIEW_EXTN hbTrId("txt_messaging_button_view")

#define LOC_TB_NEW_MESSAGE hbTrId("txt_messaging_button_new_message")

#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")

//const int MSGSETTINGSPLUGIN_UID = 0x2001FE74;

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

// MsgListView::MsgListView

// @see header

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

MsgListView::MsgListView(QGraphicsItem *parent) :

    MsgBaseView(parent)

{

    // Create the MsgListView.

    createView();

}

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

// MsgListView::~MsgListView

// @see header

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

MsgListView::~MsgListView()

{

    mMsgList->setModel(NULL);

}

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

// 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();

        // Add the menu items

        HbAction *contextItem1 = contextMenu->addAction(LOC_COMMON_OPEN);

        connect(contextItem1, SIGNAL(triggered()), this, SLOT(

            openConversation()));

        //This Item specific option is not mentioned in the UI spec

        HbAction *contextItem2 = contextMenu->addAction(tr("Show contact info"));

        connect(contextItem2, SIGNAL(triggered()), this, SLOT(showContact()));

        qint64 conversationId = mMsgList->currentIndex().data(ConversationId).toLongLong();

        bool isNotSent = false; //TODO implement new api 

        //MessageModel::instance()->isMessageSendingOrScheduled(conversationId);

        // Display Delete option only if conversation does not contain 

        // any message which is yet to be sent

        if (isNotSent == false) {

            HbAction *contextItem3 = contextMenu->addAction(LOC_MENU_DELETE_CONVERSATION);

            connect(contextItem3, SIGNAL(triggered()), this, SLOT(deleteItem()));

        }

        contextMenu->exec(point);

        // Cleanup

        delete contextMenu;

    }

}

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

// 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::sortBySubject

// @see header

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

void MsgListView::sortBySubject()

{

    //	mProxyModel->setSortRole(LatestMsg);

    //	mProxyModel->sort(0, Qt::AscendingOrder);

}

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

// MsgListView::sortByDate

// @see header

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

void MsgListView::sortByDate()

{

    //	mProxyModel->setSortRole(LatestMsgTimeStamp);

    //	mProxyModel->sort(0, Qt::DescendingOrder);

}

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

// MsgListView::sortBySender

// @see header

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

void MsgListView::sortBySender()

{

    //	mProxyModel->setSortRole(ContactName);

    //	mProxyModel->sort(0, Qt::AscendingOrder);

}

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

// MsgListView::sendNewMessage

// @see header

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

void MsgListView::sendNewMessage()

{

    QVariantList param;

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

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

    emit switchView(param);

}

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

// MsgListView::closeActiveClats

// @see header

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

void MsgListView::closeActiveChats()

{

    // Implementation for closing all active chats

}

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

// MsgListView::deleteAll

// @see header

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

void MsgListView::deleteAll()

{

}

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

// MsgListView::viewImMessagesSeperately

// @see header

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

void MsgListView::viewImMessagesSeparately()

{

    //Lists all the Im messages separately

}

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

// 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();

    qint64 conversationId = 0;

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

    bool result = HbMessageBox::question(LOC_DIALOG_DELETE_CONVERSATION,

        LOC_BUTTON_DELETE, LOC_BUTTON_CANCEL);

    if (result) {

        ConversationsEngine::instance()->deleteConversations(conversationId);

        HbNotificationDialog::launchDialog(LOC_POPINFO_CONVERSATION_DELETED);

    }

#ifdef _DEBUG_TRACES_	

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

#endif

}

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

// MsgListView::createView

// @see header

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

void MsgListView::createView()

{

    setupMenu();

    setupToolBar();

    setupListView();

}

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

// MsgListView::setupView

// @see header

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

void MsgListView::setupListView()

{

    // Create parent layout.

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

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

    mainLayout->setSpacing(0);

    // Create view heading.

    HbGroupBox *viewHeading = new HbGroupBox();

    viewHeading->setTitleText(LOC_VIEW_HEADING);

    // Register the custorm css path.

    HbStyleLoader::registerFilePath(":/msglistviewitem.css");

    HbStyleLoader::registerFilePath(":/msglistviewitem.widgetml");

    mMsgList = new HbListView(this);

    HbEffect::add(QString("ListView"), QString(":/slide_in_from_screen_bottom.fxml"), QString(

        "show"));

    mMsgList->setLayoutName("custom");

    mMsgList->setItemRecycling(false);

    mMsgList->setUniformItemSizes(true);

    mMsgList->setScrollingStyle(HbScrollArea::PanOrFlick);

    MsgListViewItem *prototype = new MsgListViewItem(this);

    mMsgList->setItemPrototype(prototype);

    // Set proxy model

    mProxyModel = new QSortFilterProxyModel(this);

    mProxyModel->setDynamicSortFilter(true);

    mProxyModel->setSourceModel(ConversationsEngine::instance()->getConversationsSummaryModel());

    mProxyModel->setSortRole(TimeStamp);

    mProxyModel->sort(0, Qt::DescendingOrder);

    mMsgList->setModel(mProxyModel);

    connect(ConversationsEngine::instance(), SIGNAL(conversationListModelPopulated()), this,

        SLOT(populateListView()));

    // 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&)));

    // Add all widgets to main layout.

    mainLayout->addItem(viewHeading);

    mainLayout->addItem(mMsgList);

    this->setLayout(mainLayout);

}

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

// MsgListView::addMenu

// @see header

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

void MsgListView::setupMenu()

{

    // Main menu

    // Get the menu pointer for the view

    HbMenu* mainMenu = this->menu();

    // Delete (This option is not mentioned in the UI spec 1.04)

    HbAction* deleteItem = mainMenu->addAction(tr("Delete"));

    connect(deleteItem, SIGNAL(triggered()), this, SLOT(deleteAll()));

    // Settings

    HbAction* settings = mainMenu->addAction(LOC_SETTINGS);

    connect(settings, SIGNAL(triggered()), 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->setText(LOC_TB_VIEW_EXTN);

    viewAction->setIcon(HbIcon(SORT_ICON));

    mViewExtnList = new HbListWidget();

    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(activated(HbListWidgetItem*)), viewExtn, SLOT(close()));

    viewExtn->setContentWidget(mViewExtnList);

    // Create & setup 2nd ToolBar button.

    HbAction* newMessageAction = new HbAction(HbIcon(NEW_MESSAGE_ICON), LOC_TB_NEW_MESSAGE, this);

    connect(newMessageAction, SIGNAL(triggered()), this, SLOT(sendNewMessage()));

    toolBar->addAction(newMessageAction);

}

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

// MsgListView::activateView

// @see header

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

void MsgListView::activateView()

{

    HbEffect::start(mMsgList, QString("ListView"), QString("show"), this, NULL);

}

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

// MsgListView::populateListView

// @see header

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

void MsgListView::populateListView()

{

}

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

// 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);

    }

}

//EOF