diff -r dcf0eedfc1a3 -r d189ee25cf9d emailuis/nmailuiengine/inc/nmmessagelistmodel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/nmailuiengine/inc/nmmessagelistmodel.h	Tue Aug 31 15:04:17 2010 +0300
@@ -0,0 +1,134 @@
+/*
+* Copyright (c) 2009 - 2010 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:
+*
+*/
+
+#ifndef NMMESSAGELISTMODEL_H_
+#define NMMESSAGELISTMODEL_H_
+
+#include <QStandardItemModel>
+
+#include "nmcommon.h"
+#include "nmmessagelistmodelitem.h"
+#include "nmuienginedef.h"
+#include "nmuiviewids.h"
+
+class NmMessage;
+class NmDataManager;
+class QModelIndex;
+class NmMessageEnvelope;
+
+
+class NMUIENGINE_EXPORT NmMessageListModel : public QStandardItemModel
+{
+    Q_OBJECT
+
+public:
+
+    NmMessageListModel(NmDataManager &dataManager,
+                       QObject *parent = 0);
+
+    virtual ~NmMessageListModel();
+
+    QVariant data(const QModelIndex &index,
+                  int role = Qt::DisplayRole) const;
+
+    void refresh(const NmId mailboxId,
+                 const NmId folderId,
+                 const QList<NmMessageEnvelope*> &messageEnvelopeList);
+
+    bool dividersActive();
+
+    // This function is temporary, to be removed when divider state can be
+    // modified with settings.
+    void setDividers(bool active);
+
+    void setEnvelopeProperties(NmEnvelopeProperties property,
+                               const QList<NmId> &messageIds);
+
+    NmId currentMailboxId();
+
+    void setIgnoreFolderIds(bool ignore);
+
+
+public slots:
+
+    void handleMessageEvent(NmMessageEvent event,
+                            const NmId &folderId,
+                            const QList<NmId> &messageIds,
+                            const NmId &mailboxId);
+
+
+private:
+
+    bool messagesBelongUnderSameDivider(
+        const NmMessageEnvelope *message1,
+        const NmMessageEnvelope *message2) const;
+
+    void insertDividerIntoModel(
+        NmMessageEnvelope *messageForDivider,
+        int parentRow);
+
+    void insertMessageIntoModel(
+        NmMessageEnvelope *messageEnvelope,
+        int childRow,
+        bool emitSignal);
+
+    void insertNewMessageIntoModel(
+        const NmId &mailboxId,
+        const NmId &folderId,
+        const NmId &msgId);
+
+    int getInsertionIndex(const NmMessageEnvelope &envelope) const;
+
+    int dividerInsertionIndex(int messageIndex);
+
+    NmMessageListModelItem *createTitleDividerItem(NmMessageEnvelope *messageForDivider);
+
+    NmMessageListModelItem *createMessageItem(NmMessageEnvelope *message);
+
+    void removeMessageFromModel(const NmId &msgId);
+
+    void removeItem(int row, NmMessageListModelItem &item);
+
+    NmMessageListModelItem *itemFromModel(const NmId &messageId);
+
+    bool changed(const NmMessageEnvelope &first,
+                 const NmMessageEnvelope &second);
+
+    void updateMessageEnvelope(const NmId &mailboxId,
+                               const NmId &folderId,
+                               const NmId &msgId);
+
+    void updateEnvelope(NmEnvelopeProperties property, const NmId &msgId);
+
+
+signals:
+
+    void setNewParam(NmUiStartParam *startParam);
+
+
+private: // Data
+
+    NmDataManager &mDataManager;
+    bool mDividersActive;
+    NmMessageListModelItem *mParentPtr; // Not owned
+    NmId mCurrentMailboxId;
+    NmId mCurrentFolderId;
+    NmFolderType mCurrentFolderType;
+    bool mIgnoreFolderIds;
+};
+
+#endif /* NMMESSAGELISTMODEL_H_*/