diff -r 053c6c7c14f3 -r 0efa10d348c0 tsdevicedialog/tsdevicedialogplugin/src/tsmodel.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsdevicedialog/tsdevicedialogplugin/src/tsmodel.cpp	Tue Aug 31 15:30:51 2010 +0300
@@ -0,0 +1,349 @@
+/*
+* 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: tsmodel.cpp
+*
+*/
+#include "tsmodel.h"
+
+#include <QVariant>
+#include <QList>
+
+#include <HbIcon>
+
+#include <afstorageglobals.h>
+
+#ifdef Q_OS_SYMBIAN
+#include <XQSettingsManager>
+#include <apaid.h>
+
+const int TSDeviceDialogUid = 0x2002677F;
+const int ItemsLimit = 0x00000001;
+#endif
+
+#include "tsmodelitem.h"
+#include "tsentrymodelitem.h"
+#include "tsactivitymodelitem.h"
+#include "tsdataroles.h"
+#include "tstaskchangeinfo.h"
+
+const int maxItems(10);
+/*!
+    \class TsModel
+    \ingroup group_tsdevicedialogplugin
+    \brief Model storing running application and activieties.
+*/
+
+/*!
+    Constructor
+    \param query used to create model
+    \param pointer to parent object
+*/
+TsModel::TsModel(TsTaskMonitor &applicationSrv, 
+                 QObject &activitySrv, 
+                 QObject *parent) :
+    QAbstractListModel(parent),
+    mEntries(),
+    mApplicationService(applicationSrv),
+    mActivityService(activitySrv),
+    mMaxItems(maxItems)
+{
+    
+#ifdef Q_OS_SYMBIAN
+    XQSettingsManager *crManager = new XQSettingsManager;
+    XQCentralRepositorySettingsKey itemsNumberKey(TSDeviceDialogUid, ItemsLimit);
+    QVariant itemsNumberVariant = 
+        crManager->readItemValue(itemsNumberKey, XQSettingsManager::TypeInt);
+    if (!itemsNumberVariant.isNull()) {
+        int number = itemsNumberVariant.toInt();
+        if (number > 0) {
+            mMaxItems = number;
+        }
+    }
+    iAppArcSession.Connect();
+#endif
+
+    connect(&activitySrv,
+	SIGNAL(dataChanged()),
+			 this,
+			 SLOT(updateActivities()));
+    connect(&applicationSrv,
+	        SIGNAL(taskListChanged()),
+			this,
+			SLOT(updateApplications()));
+
+    fullUpdate();    
+}
+
+/*!
+    Destructor
+*/
+TsModel::~TsModel()
+{
+#ifdef Q_OS_SYMBIAN
+    iAppArcSession.Close();
+#endif
+    qDeleteAll(mEntries);
+}
+
+/*!
+    Returns count of rows in model
+    \retval number of rows
+*/
+int TsModel::rowCount(
+    const QModelIndex &parent) const
+{
+    Q_UNUSED(parent);
+    return mEntries.count();
+}
+
+bool TsModel::insertRows(int row, int count, TsModelItem* item, const QModelIndex & parent)
+{
+    beginInsertRows(parent, row, row+count-1);
+    mEntries.insert(row, item);
+    endInsertRows();
+    return true;
+}
+
+bool TsModel::removeRows(int row, int count, const QModelIndex & parent)
+{
+    beginRemoveRows(parent, row, row + count - 1);
+    mEntries.removeAt(row);
+    endRemoveRows();
+    return true;
+}
+
+
+bool TsModel::moveRows(int oldPosition, int newPosition, const QModelIndex & parent)
+{
+   beginMoveRows(parent, oldPosition, oldPosition, parent, newPosition);
+   mEntries.move(oldPosition, newPosition);
+   endMoveRows();
+   return true;
+}
+
+
+bool TsModel::updateRows(int row, TsModelItem* item)
+{
+    TsModelItem *oldItem = mEntries.at(row);
+    mEntries[row] = item;
+    delete oldItem;
+
+    emit dataChanged(index(row),index(row));
+    return true;
+}
+
+/*!
+    Returns appropiate model's data
+    \param index model index
+    \param role which data role to return
+    \retval models data
+*/
+QVariant TsModel::data(const QModelIndex &index,
+                       int role) const
+{
+    return index.isValid() ? entry(index)->data(role) : QVariant();
+}
+
+/*!
+    Returns maximum anount of data allowed for model
+    \retval maximum data count
+*/
+
+int TsModel::maxRowCount()const
+{
+    return mMaxItems;
+}
+
+/*!
+    Activate one of model entries
+*/
+void TsModel::openApplication(const QModelIndex &index)
+{
+    if (!index.isValid()) {
+        return;
+    }
+    entry(index)->open();
+}
+
+/*!
+    Close one of moder entries
+*/
+void TsModel::closeApplication(const QModelIndex &index)
+{
+    if (!index.isValid() || 
+        !entry(index)->data(TsDataRoles::Closable).toBool()) {
+        return;
+    }
+    entry(index)->close();
+}
+
+/*!
+    Updates model with fresh entries
+*/
+void TsModel::updateApplications()
+{
+    RDebug::Printf( "TsModel::updateApps \n");
+    RDebug::Printf(" from %d \n: ",this);
+    QList<TsTaskChange>  changes(mApplicationService.changeList());
+    
+    if(changes.count() == 0)
+    {
+        //no applications - only activities on list
+        return;
+    }
+    //check 1st item whether we have cancel change - if so reset model
+    if (changes[0].first.changeType() == TsTaskChangeInfo::EChangeCancel) {
+        fullUpdate();
+        return;
+    }
+    for (int iter(0); iter < changes.count(); iter++) {
+        switch (changes[iter].first.changeType()) {
+            case TsTaskChangeInfo::EChangeDelete :
+                removeRows(changes[iter].first.oldOffset(), 1);
+            break;
+            case TsTaskChangeInfo::EChangeInsert :
+                insertRows(changes[iter].first.newOffset(), 1,
+                    new TsEntryModelItem(changes[iter].second));
+            break;
+            case TsTaskChangeInfo::EChangeMove :
+                moveRows(changes[iter].first.oldOffset(), changes[iter].first.newOffset());
+            break;            
+            case TsTaskChangeInfo::EChangeUpdate :
+                updateRows(changes[iter].first.oldOffset(),
+                           new TsEntryModelItem(changes[iter].second));
+            break;
+            default:
+            break;
+        }
+    }
+
+    //because delete entries are at end of changelist - iterate backwards
+
+}
+
+/*!
+    Updates model with fresh entries
+*/
+void TsModel::updateActivities()
+{
+    //as for now we need full update when activities change
+    fullUpdate();
+}
+
+/*!
+    reset model using full application and activities lists
+*/
+void TsModel::fullUpdate()
+{
+    qDeleteAll(mEntries);
+    mEntries.clear();
+    getApplications();
+    getActivities();
+    endResetModel();
+
+}
+
+/*!
+    Read list of running applications
+*/
+void TsModel::getApplications()
+{
+    RDebug::Printf( "CTsTaskMonitorClientImpl::RunL \n");
+    //get all running applications and append to entries list
+    TsModelItem *entry(0);
+    QList< TsTaskChange> tasks(mApplicationService.changeList(true));
+    foreach (TsTaskChange taskData, tasks) {
+        if (!taskData.second.isNull()) {
+            entry = new TsEntryModelItem(taskData.second);
+            if (entry) {
+                mEntries.append(entry);
+            }
+        }
+    }
+}
+
+/*!
+    Read current activities
+*/
+void TsModel::getActivities()
+{
+    //get activities
+    TsModelItem *entry(0);
+    QList<QVariantHash> activities;
+    QMetaObject::invokeMethod(&mActivityService, 
+                              "activitiesList", 
+                              Q_RETURN_ARG(QList<QVariantHash>, 
+                              activities));
+    foreach(QVariantHash activity, activities) {
+        prepareActivityEntry(activity);
+        entry = new TsActivityModelItem(*this, mActivityService, activity);
+        if (maxRowCount() <= mEntries.count()) {
+            delete entry;
+            break;
+        }
+        mEntries.append(entry);
+    }
+}
+
+/*!
+    Modify activity entry replacing application id with name
+*/
+void TsModel::prepareActivityEntry(QVariantHash &activity)
+{
+    if (!activity.contains(TsActivityModelItem::applicationKeyword())) {
+        activity.insert(TsActivityModelItem::applicationKeyword(),
+                    activity.contains(ActivityApplicationKeyword) ?
+                    getApplicationName(activity[ActivityApplicationKeyword].toInt()) :
+                    QString::null);
+    }
+}
+
+/*!
+    Return application name
+    \param id - reqiested application identyfier
+*/
+QString TsModel::getApplicationName(int id)
+{
+    QString retVal;
+#ifdef Q_OS_SYMBIAN
+    TApaAppInfo info;
+    iAppArcSession.GetAppInfo( info, TUid::Uid(id));
+    retVal = QString::fromUtf16(info.iShortCaption.Ptr(),
+                                info.iShortCaption.Length());
+#endif
+    return retVal;
+}
+
+/*!
+    Called when some item was changed
+    \param itemPtr - address of updated item
+*/
+void TsModel::entryChanged(TsModelItem *itemPtr)
+{
+    const int itemIndex = mEntries.indexOf(itemPtr);
+    if (itemIndex != -1) {
+        emit dataChanged(index(itemIndex, 0), index(itemIndex, 0));
+    }
+}
+
+/*!
+    Returns an entry from model
+    \param index of entry in model
+    \retval pointer to an entry
+*/
+TsModelItem *TsModel::entry(const QModelIndex &index) const
+{
+    return mEntries.at(index.row());
+}
+