phonebookengines/cntlistmodel/src/cntlistmodel.cpp
branchRCL_3
changeset 62 5b6f26637ad3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/cntlistmodel/src/cntlistmodel.cpp	Tue Aug 31 15:05:21 2010 +0300
@@ -0,0 +1,867 @@
+/*
+* 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:
+*
+*/
+#include "cntlistmodel_p.h"
+#include "cntlistmodel.h"
+#include "cntcache.h"
+#include "cntdebug.h"
+
+#include <qtcontacts.h>
+#include <QSet>
+#include <QTimerEvent>
+
+#include <hbindexfeedback.h>
+#include <hbframebackground.h>
+#include <hbframedrawer.h>
+#include <xqsettingsmanager.h> // for reading cenrep keys
+#include <xqsettingskey.h>
+
+const uint dummyMyCardId = 0;
+
+/*!
+ * Constuct a new contact model instance. The model will own its handle
+ * to the default persisted store.
+ */
+CntListModel::CntListModel(const QContactFilter& contactFilter,
+                         bool showMyCard,
+                         QObject *parent)
+    : QAbstractListModel(parent)
+{
+    CNT_ENTRY
+    m_defaultIcon = HbIcon("qtg_large_avatar");
+    m_defaultMyCardIcon = HbIcon("qtg_large_avatar_mycard");
+
+    d = new CntListModelData(contactFilter, showMyCard);
+    d->m_contactManager = new QContactManager;
+    d->m_ownedContactManager = true;
+    d->m_cache = CntCache::instance();
+    connect(d->m_cache, SIGNAL(contactInfoUpdated(QContactLocalId)), this, SLOT(handleContactInfoUpdated(QContactLocalId)));
+    d->m_myCardId = d->m_contactManager->selfContactId();
+    if (doConstruct() != QContactManager::NoError) {
+        throw("exception");
+    }
+    CNT_EXIT
+}
+
+/*!
+ * Construct a new CntListModel object using manager as the QContactManager
+ * instance to communicate with the contacts database.
+ *
+ * \param manager A QContactManager instance to be used for
+ *  communications with the contacts persistant store.
+ */
+CntListModel::CntListModel(QContactManager* manager,
+                         const QContactFilter& contactFilter,
+                         bool showMyCard,
+                         QObject *parent)
+    : QAbstractListModel(parent)
+{
+    CNT_ENTRY
+    m_defaultIcon = HbIcon("qtg_large_avatar");
+    m_defaultMyCardIcon = HbIcon("qtg_large_avatar_mycard");
+
+    d = new CntListModelData(contactFilter, showMyCard);
+
+    d->m_contactManager = manager;
+    d->m_cache = CntCache::instance();
+
+    connect(d->m_cache, SIGNAL(contactInfoUpdated(QContactLocalId)), this, SLOT(handleContactInfoUpdated(QContactLocalId)));
+    d->m_myCardId = d->m_contactManager->selfContactId();     
+
+    if (doConstruct() != QContactManager::NoError) {
+        throw("exception");
+    }
+    CNT_EXIT
+}
+
+CntListModel::~CntListModel()
+{
+}
+
+/*!
+ * Return the data to be used by the view or delegates for a particular
+ * item and role.
+ *
+ * \param index The index of the item to return data about.
+ * \param role The data should be relevant for this particular purpose.
+ * \return QVariant The data for the specified index and role.
+ */
+QVariant CntListModel::data(const QModelIndex &index, int role) const
+{
+    CNT_ENTRY
+    int row = index.row();
+
+    // check that row is ok
+    if (!validRowId(row)) {
+        // invalid row
+        return QVariant();
+    }
+    
+    // update current contact if needed
+    if (row != d->m_currentRow ) {
+        if (d->m_contactIds[row] == dummyMyCardId) {
+            // row contains dummy MyCard, so create dummy CntContactInfo
+            d->m_currentContact = CntContactInfo();
+        }
+        else {
+            d->m_currentContact = d->m_cache->fetchContactInfo(row, d->m_contactIds);
+        }
+        d->m_currentRow = row;
+    }
+    
+    if (role == Qt::DisplayRole) {
+        return dataForRole(row, role);
+    }
+    else if (role == Hb::IndexFeedbackRole) {
+        if (row == 0 && (d->m_myCardId == d->m_contactIds[0] || dummyMyCardId == d->m_contactIds[0])) {
+            // do not include MyCard in index feedback
+            return QVariant();
+        }
+        else {
+            return dataForRole(row, role).toStringList().at(0).toUpper();
+        }
+    }
+    else if (role == Qt::BackgroundRole) {
+        if (d->m_myCardId == d->m_contactIds[row] || dummyMyCardId == d->m_contactIds[row]) {
+            return HbFrameBackground("qtg_fr_list_parent_normal", HbFrameDrawer::NinePieces);
+        }
+    }
+    else if (role == Qt::DecorationRole) {
+        if (d->m_currentRowSetting == CntTwoRowsNameAndPhoneNumber) {
+            //icon fits only if user selected 2 rows in each name list item
+            QList<QVariant> icons;
+            HbIcon avatar = d->m_currentContact.icon1();
+            HbIcon statusIcon = d->m_currentContact.icon2();
+        
+            if (!avatar.isNull()) {
+                icons.append(avatar);
+            }
+            else if (d->m_myCardId == d->m_contactIds[row] || dummyMyCardId == d->m_contactIds[row]) {
+                icons.append(m_defaultMyCardIcon);
+            }
+            else {
+                icons.append(m_defaultIcon);
+            }
+    
+            if (!statusIcon.isNull()) {
+                icons.append(statusIcon);
+            }
+    
+            return icons;
+        }
+        else {
+            return QVariant();
+        }
+    }
+    CNT_EXIT
+    return QVariant();
+}
+
+/*!
+ * Get the number of rows (contacts) in this model.
+ *
+ * \param parent Optional parent index value.
+ * \return Number of contacts in this model.
+ */
+int CntListModel::rowCount(const QModelIndex& /*parent*/) const
+{
+    return d->m_contactIds.count();
+}
+
+/*!
+ * Read a full contact entry from the database for the given model
+ * index value. Only the row part of the index information will be
+ * read. This is just an overload of CntListModel::contact() that
+ * supports old behaviour and calls:
+ *      CntListModel::contact(int row);
+ *
+ * The entry at the requested row will have its full contact information
+ * (all fields) read from the database and returned as a QContact instance.
+ *
+ * \param index Index for the sought contact entry in this model.
+ * \return A newly constructed QContact instance for this entry - ownership
+ *  is transferred to the caller.
+ *
+ */
+QContact CntListModel::contact(const QModelIndex &index) const
+{
+    return contact(index.row());
+}
+
+/*!
+ * Returns the id for the contact at the requested row.
+ *
+ * \param index Index for the sought contact entry in this model.
+ * \return The id for the contact, 0 if invalid index.
+ *
+ */
+QContactLocalId CntListModel::contactId(const QModelIndex &index) const
+{
+    CNT_ENTRY
+
+    if (!validRowId(index.row())) {
+        return 0;
+    }
+
+    CNT_EXIT
+    return d->m_contactIds[index.row()];
+}
+
+/*!
+ * Return an index that points to the row relating to the supplied contact.
+ *  E.g. if the contact is at row 7, the index with the following properties
+ *  is returned:
+ *      index.row() == 7
+ 
+ * \param contact The contact for whose row an index is required
+ * \return a QModelIndex with the row set to match that of the contact.
+ */
+QModelIndex CntListModel::indexOfContact(const QContact &contact) const
+{
+    return createIndex(rowId(contact.localId()), 0);
+}
+
+/*!
+ * Return an index that points to the row relating to the supplied contact id.
+ *  E.g. if the contact with this id is at row 7, the index with the following
+ *  properties is returned:
+ *      index.row() == 7
+ 
+ * \param contactId The id of the contact for whose row an index is required
+ * \return a QModelIndex with the row set to match that of the contact id.
+ */
+QModelIndex CntListModel::indexOfContactId(const QContactLocalId &contactId) const
+{
+    return createIndex(rowId(contactId), 0);
+}
+
+/*!
+ * Return the contact manager used by this model.
+ *
+ * \return Reference to contact manager.
+ */
+QContactManager& CntListModel::contactManager() const
+{
+    return *d->m_contactManager;
+}
+
+/*!
+ * Set new filter and sort order for the model.
+ *
+ * \param contactFilter New contact filter.
+ * \param contactSortOrders New sort order.
+ */
+void CntListModel::setFilter(const QContactFilter& contactFilter)
+{
+    CNT_ENTRY
+    
+    d->setFilter(contactFilter);
+    
+    //refresh model
+    updateContactIdsArray();
+
+    beginResetModel();
+    reset();
+    endResetModel();
+    
+    CNT_EXIT
+}
+
+void CntListModel::setSortOrder()
+{
+    XQSettingsKey nameOrderKey(XQSettingsKey::TargetCentralRepository,
+                         KCRCntSettings.iUid,
+                         KCntNameOrdering);
+    XQSettingsManager settingsMng;
+    int order = settingsMng.readItemValue(nameOrderKey, XQSettingsManager::TypeInt).toInt();
+
+    QContactSortOrder sortOrderFirstName;
+    sortOrderFirstName.setDetailDefinitionName(QContactName::DefinitionName,
+        QContactName::FieldFirstName);
+    sortOrderFirstName.setCaseSensitivity(Qt::CaseInsensitive);
+
+    QContactSortOrder sortOrderLastName;
+    sortOrderLastName.setDetailDefinitionName(QContactName::DefinitionName,
+        QContactName::FieldLastName);
+    sortOrderLastName.setCaseSensitivity(Qt::CaseInsensitive);
+
+    QList<QContactSortOrder> sortOrders;
+    if (order == CntOrderLastFirst || order == CntOrderLastCommaFirst) {
+        sortOrders.append(sortOrderLastName);
+        sortOrders.append(sortOrderFirstName);
+    } else {
+        sortOrders.append(sortOrderFirstName);
+        sortOrders.append(sortOrderLastName);
+    }
+    
+    d->m_sortOrders = sortOrders;
+}
+
+void CntListModel::refreshModel()
+{
+    CNT_ENTRY
+    
+    setSortOrder();
+    d->m_cache->clearCache();
+    d->m_currentRow = -1;
+    
+    //refresh model
+    updateContactIdsArray();
+
+    beginResetModel();
+    reset();
+    endResetModel();
+    
+    CNT_EXIT
+}
+
+/*!
+ * Enable/disable MyCard appearance in the model.
+ *
+ * \param enabled Status of MyCard appearance in the model.
+ */
+void CntListModel::showMyCard(bool enabled)
+{
+    CNT_ENTRY
+    if (d->m_showMyCard == enabled) {
+        return;
+    }
+    
+    QContactLocalId myCardId = d->m_myCardId;
+    if (enabled) {
+        //add MyCard to the list
+        if (myCardId <= 0) {
+            // create a placeholder for MyCard
+            d->m_contactIds.insert(0, dummyMyCardId);
+        }
+        else {
+            d->m_contactIds.insert(0, myCardId);
+        }
+    }
+    else {
+        // remove MyCard from the list
+        if (myCardId <= 0) {
+            d->m_contactIds.removeOne(dummyMyCardId);
+        }
+        else {
+            d->m_contactIds.removeOne(myCardId);
+        }
+    }
+    d->m_showMyCard = enabled;
+    d->m_currentRow = -1;
+
+    beginResetModel();
+    reset();
+    endResetModel();
+    CNT_EXIT
+}
+
+/*!
+ * Returns MyCard status: shown or not.
+ *
+ * \return true if MyCard is shown, false otherwise.
+ */
+bool CntListModel::myCardStatus() const
+{
+    return d->m_showMyCard;
+}
+
+/*!
+ * Returns MyCard id.
+ *
+ * \return MyCard id.
+ */
+QContactLocalId CntListModel::myCardId() const
+{
+    return d->m_myCardId;
+}
+
+/*!
+ * Initializes model data and attaches database notifications to handlers.
+ * 
+ * \return Error status
+ */
+int CntListModel::doConstruct()
+{
+    CNT_ENTRY
+    
+    int error = initializeData();
+    
+    // Attach database notifications to handlers.
+    connect(d->m_contactManager, SIGNAL(contactsAdded(const QList<QContactLocalId>&)), this, SLOT(handleAdded(const QList<QContactLocalId>&)));
+    connect(d->m_contactManager, SIGNAL(contactsChanged(const QList<QContactLocalId>&)), this, SLOT(handleChanged(const QList<QContactLocalId>&)));
+    connect(d->m_contactManager, SIGNAL(contactsRemoved(const QList<QContactLocalId>&)), this, SLOT(handleRemoved(const QList<QContactLocalId>&)));
+    connect(d->m_contactManager, SIGNAL(selfContactIdChanged(const QContactLocalId&, const QContactLocalId&)), this, SLOT(handleMyCardChanged(const QContactLocalId&, const QContactLocalId&)));
+    connect(d->m_contactManager, SIGNAL(dataChanged()), this, SLOT(refreshModel()));
+    connect(d->m_contactManager, SIGNAL(relationshipsAdded(const QList<QContactLocalId>&)), this, SLOT(handleAddedRelationship(const QList<QContactLocalId>&)));
+    connect(d->m_contactManager, SIGNAL(relationshipsRemoved(const QList<QContactLocalId>&)), this, SLOT(handleRemovedRelationship(const QList<QContactLocalId>&)));
+    
+    // Get current setting how to show an item in the name list and subscribe for changes
+    d->m_Settings = new XQSettingsManager;
+
+    d->m_NameListRowSettingkey = new XQSettingsKey(XQSettingsKey::TargetCentralRepository,
+                            KCRCntSettings.iUid,
+                            KCntNameListRowSetting);
+    d->m_currentRowSetting = d->m_Settings->readItemValue(*d->m_NameListRowSettingkey, XQSettingsManager::TypeInt).toInt();
+    d->m_Settings->startMonitoring(*d->m_NameListRowSettingkey, XQSettingsManager::TypeInt);
+    connect(d->m_Settings, SIGNAL(valueChanged(const XQSettingsKey&, const QVariant&)), this, SLOT(handleRowSettingChanged(const XQSettingsKey&, const QVariant&)));
+    
+    CNT_EXIT
+
+    return error;
+}
+
+/*!
+ * Initializes d->m_contactIds to contain contact Ids from the database.
+ * 
+ * \return Error status
+ */
+int CntListModel::initializeData()
+{
+    CNT_ENTRY
+    int error(QContactManager::NoError);
+    
+    setSortOrder();
+
+    // Get a list of all contact IDs in the database.
+    updateContactIdsArray();
+
+    CNT_EXIT
+    return error;
+}
+
+/*!
+ * Gets the filtered list of the contact Ids in a sorted order  
+ * 
+ * \return Error status
+ */
+void CntListModel::updateContactIdsArray()
+{
+    CNT_ENTRY
+    d->m_contactIds = d->m_contactManager->contactIds(d->m_filter,
+            d->m_sortOrders);
+                      
+    //find MyCard contact and move it to the first position
+    QContactLocalId myCardId = d->m_myCardId;
+    if (myCardId > 0) {
+        // MyCard exists
+        d->m_contactIds.removeOne(myCardId);
+        if (d->m_showMyCard) {
+            d->m_contactIds.insert(0, myCardId);
+        }
+    } 
+    else if (d->m_showMyCard) {
+        // create a placeholder for MyCard
+        d->m_contactIds.insert(0, dummyMyCardId);
+    }
+    CNT_EXIT
+}
+
+/*!
+ * Read a full contact entry from the database for the row number.
+ *
+ * The entry at the requested row will have its full contact information
+ * (all fields) read from the database and returned as a QContact instance.
+ *
+ * \param row Row at which the sought contact entry is in this model.
+ * \return A newly constructed QContact instance for this entry - ownership
+ *  is transferred to the caller.
+ *
+ */
+QContact CntListModel::contact(int row) const
+{
+    CNT_ENTRY
+    if (!validRowId(row) || d->m_contactIds[row] == dummyMyCardId) {
+        return QContact();
+    }
+    CNT_EXIT
+    return d->m_contactManager->contact(d->m_contactIds[row]);
+}
+
+/*!
+ * Verify specified row id is valid.
+ *
+ * \param row A row number
+ * \return bool indicating validity of row id
+ */
+bool CntListModel::validRowId(int row) const
+{
+	return (row >= 0 && row < rowCount());
+}
+
+/*!
+ * Fetch the id of the row containing the contact of the specified id.
+ *
+ * \param contactId The id of the contact
+ * \return the row id of the contact or -1 if no item matched.
+ */
+int CntListModel::rowId(const QContactLocalId &contactId) const
+{
+    return d->m_contactIds.indexOf(contactId);
+}
+
+/*!
+ * Return the data to be used by the view for a display role.
+ *
+ * \param row The row of the item to return data about.
+ * \param column The column of the item to return data about.
+ * \return QVariant The data for the specified index.
+ */
+QVariant CntListModel::dataForRole(int row, int role) const
+{
+    CNT_ENTRY
+    QStringList list;
+    QString name;
+    QString infoText;
+    bool isSelfContact = false;
+    bool isNonEmptySelfContact = false;
+    
+    QContactLocalId id = d->m_contactIds[row];
+    if (d->m_myCardId == id || dummyMyCardId == id) {
+        isSelfContact = true;
+        if (d->m_currentContact.id() == -1) {
+            // empty card
+            name = hbTrId("txt_phob_dblist_mycard");
+            infoText = hbTrId("txt_phob_dblist_mycard_val_create_my_identity");
+        }
+        else {
+            isNonEmptySelfContact = true;
+        }
+    }
+
+    if (!isSelfContact || isNonEmptySelfContact) {
+        name = d->m_currentContact.name();
+        if (name.isEmpty()) {
+            name = hbTrId("txt_phob_list_unnamed");
+        }
+        infoText = d->m_currentContact.text();
+    }
+    
+    if ( role == Qt::DisplayRole )
+    {
+        list << d->m_Format->formattedText(name, d->m_filter);
+    }
+    else
+    {
+        list << name;
+    }
+    
+    if (!isNonEmptySelfContact) {
+        if (d->m_currentRowSetting == CntTwoRowsNameAndPhoneNumber) {
+            //add additional text only if user wants 2 rows in each name list item
+            list << infoText;
+        }
+    }
+    CNT_EXIT
+    return list;
+}
+
+/*!
+ * Handle adding of contacts. 
+ *
+ * \param contactIds Ids of contacts added.
+ */
+void CntListModel::handleAdded(const QList<QContactLocalId>& contactIds)
+{
+    CNT_ENTRY
+    
+    //if contacts are added already, no need to do anything
+    bool newContacts = false;
+    for (int k = 0; k < contactIds.count() && !newContacts; k++) { 
+        if(!d->m_contactIds.contains(contactIds.at(k))) {
+            newContacts = true;
+        }
+    }
+    if (!newContacts) {
+        return;
+    }
+
+    //invalidate cached contact
+    d->m_currentRow = -1;
+    
+    QList<QContactLocalId> oldIdList = d->m_contactIds;
+    updateContactIdsArray();
+    
+    //Find all new contacts (=rows)
+    QList<int> newRows;
+    for(int i = 0; i < d->m_contactIds.count(); i++) {
+        if (!oldIdList.contains(d->m_contactIds.at(i))) {
+            newRows.append(i);
+        }
+    }
+    
+    // only 1 (or no) contact is added, it can be handled by beginInsertRows()
+    // and endInsertRows()
+    if (newRows.count() <= 1) {
+        for(int j = 0; j < newRows.count(); j++) {
+            beginInsertRows(QModelIndex(), newRows.at(j), newRows.at(j));
+            endInsertRows();   
+        }
+    }
+    else {
+        beginResetModel();
+        reset();
+        endResetModel();
+    }
+    CNT_EXIT
+}
+
+/*!
+ * Handle changes in contacts. 
+ *
+ * \param contactIds Ids of contacts changed.
+ */
+void CntListModel::handleChanged(const QList<QContactLocalId>& contactIds)
+{
+    CNT_ENTRY
+    
+    if (contactIds.count() == 0) {
+        return;
+    }
+    
+    //invalidate cached contact
+    d->m_currentRow = -1; 
+
+    int firstChangedContactPosBefore = rowId(contactIds.at(0));  
+    updateContactIdsArray();
+    int firstChangedContactPosAfter = rowId(contactIds.at(0)); 
+
+    // if only one contact was updated and its position didn't change,
+    // refresh the corresponding row
+    if (contactIds.count() == 1 &&
+        firstChangedContactPosBefore == firstChangedContactPosAfter &&
+        firstChangedContactPosBefore >= 0) {
+        QModelIndex top = index(firstChangedContactPosBefore);
+        QModelIndex bottom = index(firstChangedContactPosBefore);
+        emit dataChanged(top, bottom);
+    }
+    else {
+        beginResetModel();
+        reset();
+        endResetModel();
+    }
+    
+    CNT_EXIT
+}
+
+/*!
+ * Handle removing of contacts. 
+ *
+ * \param contactIds Ids of contacts removed.
+ */
+void CntListModel::handleRemoved(const QList<QContactLocalId>& contactIds)
+{
+    CNT_ENTRY
+    
+    bool removeContacts = false;
+    QList<QContactLocalId> idList = d->m_contactIds;
+    for (int k = 0; k < contactIds.count() && !removeContacts; k++) {
+        if(idList.contains(contactIds.at(k))) {
+            removeContacts = true;
+        }
+    }
+    if (!removeContacts) {
+        return;
+    }
+    
+    //Find contacts to remove (=rows)
+    QList<int> removeRows;
+    for(int i = 0; i < contactIds.count(); i++) {
+        if (idList.contains(contactIds.at(i))) {
+            removeRows.append(rowId(contactIds.at(i)));
+        }
+    }
+    
+    // invalidate cached contact
+    d->m_currentRow = -1;
+    
+    int myCardRow = -1;
+    if (contactIds.contains(d->m_myCardId)) {
+        myCardRow = rowId(d->m_myCardId);
+        d->m_myCardId = 0;
+    }
+
+    // remove rows starting from the bottom
+    qSort(removeRows.begin(), removeRows.end(), qGreater<int>());
+    for (int j = 0; j < removeRows.count(); j++) {
+        if (removeRows.at(j) != myCardRow || !d->m_showMyCard) {
+            beginRemoveRows(QModelIndex(), removeRows.at(j), removeRows.at(j));
+            endRemoveRows();
+        }
+    }
+
+    foreach (QContactLocalId id, contactIds) {
+        d->m_contactIds.removeOne(id);
+    }
+
+    if (myCardRow != -1 && d->m_showMyCard) {
+        d->m_contactIds.insert(0, dummyMyCardId);
+        QModelIndex index = createIndex(0, 0);
+        emit dataChanged(index, index);
+    }
+
+    CNT_EXIT
+}
+
+/*!
+ * Handle my card change. 
+ *
+ * \param oldId Id of the old MyCard.
+ * \param newId Id of the new MyCard.
+ */
+void CntListModel::handleMyCardChanged(const QContactLocalId& /*oldId*/, const QContactLocalId& newId)
+{
+    CNT_ENTRY
+    
+    //invalidate cached contact
+    d->m_currentRow = -1;
+    d->m_myCardId = newId;
+
+    updateContactIdsArray();
+    
+    beginResetModel();
+    reset();
+    endResetModel();
+    
+    CNT_EXIT
+}
+
+/*!
+ * Handle added relationships. 
+ *
+ * \param contactIds Ids of contacts added (group id and contact ids).
+ */
+void CntListModel::handleAddedRelationship(const QList<QContactLocalId>& contactIds)
+{
+    CNT_ENTRY
+
+    if (contactIds.contains(d->m_groupId)) {
+        foreach (QContactLocalId id, contactIds) {
+            if (id != d->m_groupId && !d->m_contactIds.contains(id)) {
+                // at least one new contact id has been added to this group,
+                // so update the model
+                updateRelationships();
+                break;
+            }
+        }
+    }
+
+    CNT_EXIT
+}
+
+/*!
+ * Handle removed relationships. 
+ *
+ * \param contactIds Ids of contacts removed from a relationship (group id and contact ids).
+ */
+void CntListModel::handleRemovedRelationship(const QList<QContactLocalId>& contactIds)
+{
+    CNT_ENTRY
+
+    if (contactIds.contains(d->m_groupId)) {
+        foreach (QContactLocalId id, contactIds) {
+            if (d->m_contactIds.contains(id)) {
+                // at least one new contact id has been removed from this group,
+                // so update the model
+                updateRelationships();
+                break;
+            }
+        }
+    }
+
+    CNT_EXIT
+}
+
+/*!
+ * Updates the model to reflect changes in the relationships.
+ */
+void CntListModel::updateRelationships()
+{
+    CNT_ENTRY
+
+    //invalidate cached contact
+    d->m_currentRow = -1;
+    
+    QList<QContactLocalId> oldIdList = d->m_contactIds;
+    updateContactIdsArray();
+    
+    // find all changed rows
+    QList<int> newRows, removedRows;
+    for (int i = 0; i < d->m_contactIds.count(); i++) {
+        if (!oldIdList.contains(d->m_contactIds.at(i))) {
+            newRows.append(i);
+        }
+    }
+    for (int i = 0; i < oldIdList.count(); i++) {
+        if (!d->m_contactIds.contains(oldIdList.at(i))) {
+            removedRows.append(i);
+        }
+    }
+
+    // currently only one-row-changes are handled with beginInsertRows/beginRemoveRows
+    // if there are more than one change, the whole model is reset
+    if (removedRows.count() == 1 && newRows.count() == 0) {
+        beginRemoveRows(QModelIndex(), removedRows.at(0), removedRows.at(0));
+        endRemoveRows();
+    }
+    else if (newRows.count() == 1 && removedRows.count() == 0) {
+        beginInsertRows(QModelIndex(), newRows.at(0), newRows.at(0));
+        endInsertRows();
+    }
+    else {
+        beginResetModel();
+        endResetModel();
+    }
+
+    CNT_EXIT
+}
+
+/*!
+* Notify views that info for a contact has become
+* available or has changed.
+*
+* \param contactId the id of the contact
+*/
+void CntListModel::handleContactInfoUpdated(QContactLocalId contactId)
+{
+    CNT_ENTRY
+    
+    QModelIndex index = createIndex(rowId(contactId), 0);
+    if (index.row() == d->m_currentRow) {
+        d->m_currentRow = -1;
+    }
+    emit dataChanged(index, index);
+    
+    CNT_EXIT
+}
+
+/*!
+* Handle a change how name list item should be represented
+*
+* \param key Central repository key
+* \param value New value in the key
+*/
+void CntListModel::handleRowSettingChanged(const XQSettingsKey& /*key*/, const QVariant& value)
+{
+    bool ok = false;
+    int newSetting = value.toInt(&ok);
+    if (ok) {
+        d->m_currentRowSetting = newSetting;
+        beginResetModel();
+        reset();
+        endResetModel();
+    }
+}