diff -r 64e38f08e49c -r 47d84de1c893 email_plat/contact_history_model_api/inc/nmcontacthistorymodel.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email_plat/contact_history_model_api/inc/nmcontacthistorymodel.h	Mon Oct 04 00:05:37 2010 +0300
@@ -0,0 +1,142 @@
+/*
+* Copyright (c) 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: Public declaration of Contact History Model API
+*
+*/
+#ifndef NMCONTACTHISTORYMODEL_H
+#define NMCONTACTHISTORYMODEL_H
+
+#include <QAbstractListModel>
+#include <QSharedDataPointer>
+
+#include "nmcontacthistorymodelcommon.h"
+
+// NmContactHistoryModelSubItem - display name is one item, email address/phone number another
+class NmContactHistoryModelSubItem
+{
+public:
+
+inline NmContactHistoryModelSubItem()
+{
+}
+
+inline ~NmContactHistoryModelSubItem()
+{
+}
+    // email address, or concatenated firstName+' '+lastName.
+    QString mItemText;
+    // amount of items in mMatchingRanges is 2*mItemTexts.length() because for each text there is begin/end index
+    // TODO: Fix above^ always two indeces
+    // for example "Ville Virtanen" with query "vi" returns indeces 0,1,6,7
+    QList<int> mMatchingRanges;
+};
+
+class NmContactHistoryModelPrivate;
+class NmContactHistoryModelItemData;
+
+class NMCHMAPI_EXPORT NmContactHistoryModelItem
+{
+public:
+    NmContactHistoryModelItem();
+    NmContactHistoryModelItem(const NmContactHistoryModelItem &other);
+    ~NmContactHistoryModelItem();
+
+public:
+    // contact id is 0xDEAD if not associated with a contact item
+    unsigned int contactId() const;
+
+    void setContactId(unsigned int contactId);
+
+    int subItemCount() const;
+
+    NmContactHistoryModelSubItem subItemAt(int index) const;
+
+    // First entry is display name, second email address.
+    QList<NmContactHistoryModelSubItem> subEntries() const;
+
+    void appendSubItem(NmContactHistoryModelSubItem entry);
+
+private:
+     //
+    QSharedDataPointer<NmContactHistoryModelItemData> d;
+};
+Q_DECLARE_METATYPE(NmContactHistoryModelItem)
+
+/**
+ * Model for contact history queries.
+ *
+ */
+class NMCHMAPI_EXPORT NmContactHistoryModel : public QAbstractListModel
+{
+    Q_OBJECT
+
+public: // The exported API
+
+    /**
+     * Constructor
+     * @param modelType
+     */
+    explicit NmContactHistoryModel(
+        const NmContactHistoryModelType modelType);
+
+    /**
+     * Destructor
+     */
+    ~NmContactHistoryModel();
+
+public: // From QAbstractItemModel
+
+    /**
+     * Get number of rows currently in the model.
+     * @return number of rows
+     */
+    virtual int rowCount(const QModelIndex &parent) const;
+
+    /**
+     * Get various data from the model. Fetched data type is defined
+     * by role input parameter. Only Qt::DisplayRole is supported.
+     */
+    virtual QVariant data(const QModelIndex &index, int role) const;
+
+signals:
+
+    /**
+     * Signaled once model is ready.
+     * @param err, 0 if building model was success
+     */
+    void modelCompleted(int err);
+
+public slots:
+
+    // TODO: query could keep previous query in order to check if results will only get narrowed (a char is appended)
+    void query(const QString &query);
+
+private slots:
+
+    /**
+     * Signaled once query is completed, emits modelCompleted.
+     * @param err, 0 if building model was success
+     */
+    void handleQueryCompleted(int err);
+
+private:
+    /*
+     * Private Implementation
+     * Own
+     */
+    NmContactHistoryModelPrivate *d_ptr;
+
+};
+
+#endif //NMCONTACTHISTORYMODEL_H