#include <HbMessageBox>

#include <HbMainWindow>

#include <QAbstractItemModel>

// Long Tap

#define LOC_COMMON_OPEN           hbTrId("txt_common_menu_open")

#define LOC_COMMON_DELETE         hbTrId("txt_common_menu_delete")

// View heading

#define LOC_DLV_HEADING           hbTrId("txt_messaging_title_drafts")

// Menu items

#define LOC_MENU_DELETE_ALL       hbTrId("txt_messaging_opt_delete_all")

// Toolbar & toolbar exension

#define LOC_TB_EXTN_DRAFTS        hbTrId("txt_messaging_button_drafts")

#define LOC_TB_EXTN_CONVERSATIONS hbTrId("txt_messaging_button_conversations")

// Confirmation note

#define LOC_DELETE_MESSAGE        hbTrId("txt_messaging_dialog_delete_message")

#define LOC_DELETE_ALL_DRAFTS     hbTrId("txt_messaging_dialog_delate_all_drafts")

#define LOC_BUTTON_DELETE         hbTrId("txt_common_button_delete")

#define LOC_BUTTON_CANCEL         hbTrId("txt_common_button_cancel")

    MsgBaseView(parent), mListView(0), mViewExtnList(0), mToolBar(0)

    // Delayed loading.

    connect(this->mainWindow(), SIGNAL(viewReady()), this, SLOT(doDelayedLoading()));

    QAbstractItemModel *model = mListView->model();

    // Menu items are added/removed based on the item count.

    connect(mListView->model(), SIGNAL(rowsInserted(QModelIndex, int, int)), this,

        SLOT(handleModelChanged()), Qt::UniqueConnection);

    connect(mListView->model(), SIGNAL(rowsRemoved(QModelIndex, int, int)), this,

        SLOT(handleModelChanged()), Qt::UniqueConnection);

    if (!mToolBar) {

        mToolBar = this->toolBar();

        mToolBar->setOrientation(Qt::Horizontal);

        // Create & setup ToolBar Extension

        HbToolBarExtension *viewExtn = new HbToolBarExtension();

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

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

        viewExtn->setContentWidget(mViewExtnList);

        // Create & setup 2nd ToolBar button.

        mToolBar->addAction(HbIcon(NEW_MESSAGE_ICON), "", this, SLOT(createNewMessage()));

    }

    if (!mListView) {

        // 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->setHeading(LOC_DLV_HEADING);

        // Create List View.

        mListView = new HbListView(this);

        mListView->setScrollingStyle(HbScrollArea::PanOrFlick);

        mListView->setItemRecycling(true);

        mListView->setUniformItemSizes(true);

        mListView->setClampingStyle(HbScrollArea::BounceBackClamping);

        // Register the custorm css path.

        HbStyleLoader::registerFilePath(":/xml/hblistviewitem.css");

        //    mListView->setLayoutName("custom");

        // Set list item properties.

        HbListViewItem *prototype = mListView->listItemPrototype();

        prototype->setGraphicsSize(HbListViewItem::SmallIcon);

        prototype->setStretchingStyle(HbListViewItem::StretchLandscape);

        prototype->setSecondaryTextRowCount(1, 1);

        HbFrameBackground frame(LIST_ITEM_FRAME, HbFrameDrawer::NinePieces);

        prototype->setDefaultFrame(frame);

        // Create and set model

        QSortFilterProxyModel *proxyModel = new QSortFilterProxyModel(this);

        proxyModel->setDynamicSortFilter(true);

        proxyModel->setSourceModel(ConversationsEngine::instance()->getDraftsModel());

        proxyModel->setSortRole(TimeStamp);

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

        mListView->setModel(proxyModel);

        // Short & Long Taps

        connect(mListView, SIGNAL(activated(QModelIndex)), this,

            SLOT(openDraftMessage(QModelIndex)));

        connect(mListView, SIGNAL(longPressed(HbAbstractViewItem*,QPointF)), this,

            SLOT(handleLongPressed(HbAbstractViewItem*,QPointF)));

        // Add all widgets to main layout.

        mainLayout->addItem(viewHeading);

        mainLayout->addItem(mListView);

        this->setLayout(mainLayout);

    }

}

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

// DraftsListView::doDelayedLoading

// @see header

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

void DraftsListView::doDelayedLoading()

{

    setupToolbar();

    setupListView();

    setupMenu();

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

    QModelIndex index = mListView->currentIndex();

    if (!index.isValid()) {

        return;

    }

    bool result = HbMessageBox::question(LOC_DELETE_MESSAGE, LOC_BUTTON_DELETE, LOC_BUTTON_CANCEL);

    if (result) {

        int msgId = index.data(ConvergedMsgId).toInt();

        QList<int> msgIdList;

        msgIdList.append(msgId);

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

    }

}

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

// DraftsListView::deleteAllDraftMessage

// @see header

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

void DraftsListView::deleteAllDraftMessage()

{

    bool result = HbMessageBox::question(LOC_DELETE_ALL_DRAFTS, LOC_BUTTON_DELETE,

        LOC_BUTTON_CANCEL);

    if (result) {

        ConversationsEngine::instance()->deleteAllDraftMessages();

    }

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

// DraftsListView::handleModelChanged

// @see header

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

void DraftsListView::handleModelChanged()

{

    // If there are no items in list view, delete the menu item.

    HbMenu *mainMenu = this->menu();

    if (!mListView->model()->rowCount()) {

        mainMenu->clearActions();

    }

    else {

        if (this->menu()->isEmpty()) {

            mainMenu->addAction(LOC_MENU_DELETE_ALL, this, SLOT(deleteAllDraftMessage()));

        }

    }

}