qtinternetradio/ui/src/irhistorymodel.cpp
changeset 0 09774dfdd46b
child 3 ee64f059b8e1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/ui/src/irhistorymodel.cpp	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,190 @@
+/*
+* 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 <hbicon.h>
+#include <QBrush>
+
+#include "irqsonghistoryinfo.h"
+#include "irqsonghistoryengine.h"
+#include "irhistorymodel.h"
+#include "iruidefines.h"
+
+IRHistoryModel::IRHistoryModel(QObject *aParent) : QAbstractListModel(aParent)
+{
+    iStationLogo = new HbIcon(":/stationlist/icon_stationdefault.png");
+
+    iHistoryEngine = IRQSongHistoryEngine::openInstance();
+    getAllList();
+}
+
+IRHistoryModel::~IRHistoryModel()
+{
+    delete iStationLogo;
+    iStationLogo = NULL;
+
+    clearAndDestroyLogos();
+
+    while (!iHistoryList.isEmpty())
+    {
+        delete iHistoryList.takeFirst();
+    }
+    
+    if (iHistoryEngine)
+    {
+        iHistoryEngine->closeInstance();
+        iHistoryEngine = NULL;
+    }
+}
+
+int IRHistoryModel::rowCount(const QModelIndex &aParent) const
+{
+    Q_UNUSED(aParent);
+    return iHistoryList.count();
+}
+
+QString IRHistoryModel::getImageUrl(int aRow) const
+{
+    return iHistoryList.at(aRow)->getImageUrl();
+}
+
+void IRHistoryModel::setLogo(HbIcon *aIcon, int aIndex)
+{
+    iLogos[aIndex] = aIcon;
+    emit dataChanged(index(aIndex), index(aIndex));
+}
+
+QVariant IRHistoryModel::data(const QModelIndex &aIndex, int aRole) const
+{
+    if (!aIndex.isValid())
+    {
+        return QVariant();
+    }
+
+    if (aIndex.row() >= iHistoryList.count())
+    {
+        return QVariant();
+    }
+    
+    if (aRole == Qt::DisplayRole)
+    {
+        QVariantList list;
+        
+        int row = aIndex.row();
+        QString primaryText = QString::number(row+1) + ". " + iHistoryList.at(row)->getChannelName();
+        list.append(primaryText);
+        // fix bug #9888,if left descriptions as blank, only one line appears
+        QString tempDes = iHistoryList.at(row)->getChannelDesc();
+        if (0 == tempDes.length())
+        {
+            tempDes = " ";
+        }
+        list.append(tempDes);
+        
+        return list;
+    }
+    else if (aRole == Qt::DecorationRole)
+    {
+        QVariantList list;
+        int row = aIndex.row();
+        const HbIcon *icon = iLogos.value(row);
+        if (icon)
+        {
+            list.append(*icon);
+        }
+        else
+        {
+            list.append(*iStationLogo);
+        }
+        
+        return list;
+    }
+    else if (aRole == Qt::BackgroundRole)
+    {
+        if (aIndex.row() % 2 == 0)
+        {
+            return QBrush(KListEvenRowColor);
+        }
+        else
+        {
+            return QBrush(KListOddRowColor);
+        }
+    }
+
+    return QVariant();
+}
+
+IRQSongHistoryInfo* IRHistoryModel::getHistoryInfo(int aIndex)
+{
+    if (aIndex >= 0 && aIndex < iHistoryList.count())
+    {
+        return iHistoryList.at(aIndex);
+    }
+
+    return NULL;
+}
+
+void IRHistoryModel::clearAllList()
+{
+    while (!iHistoryList.isEmpty())
+    {
+        IRQSongHistoryInfo *firstItem = iHistoryList.takeFirst();
+        delete firstItem;
+    }
+    iHistoryEngine->clearAllHistory();
+    clearAndDestroyLogos();
+    emit modelChanged();
+}
+
+bool IRHistoryModel::checkHistoryUpdate()
+{
+    getAllList();    
+    return true;
+}
+
+void IRHistoryModel::clearAndDestroyLogos()
+{
+    for (QMap<int, HbIcon*>::iterator it = iLogos.begin(); it != iLogos.end(); ++it)
+    {
+        delete it.value();
+    }
+    
+    iLogos.clear();
+}
+
+void IRHistoryModel::getAllList()
+{
+    iHistoryEngine->getAllHistory(iHistoryList);
+
+    emit modelChanged();
+}
+
+bool IRHistoryModel::deleteOneItem(int aIndex)
+{
+    bool ret = iHistoryEngine->deleteOneItem(aIndex);
+     
+    if( !ret )
+    {
+        return false;                
+    }
+    
+    beginRemoveRows(QModelIndex(), aIndex, aIndex);
+    iHistoryList.removeAt(aIndex);
+    endRemoveRows(); 
+    
+    emit modelChanged();    
+    return true;
+}