diff -r 4697dfb2d7ad -r 238255e8b033 messagingapp/msgui/inc/msgconversationviewinterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/inc/msgconversationviewinterface.h	Fri Apr 16 14:56:15 2010 +0300
@@ -0,0 +1,123 @@
+/*
+* 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:  Conversation view interface used for launching 
+ *                conversation view.
+ *
+*/
+
+
+#ifndef MSG_CONVERSATION_VIEW_INTERFACE_H
+#define MSG_CONVERSATION_VIEW_INTERFACE_H
+
+#include "msgconversationviewdefines.h"
+
+// FORWARD DECLARATIONS
+class HbMainWindow;
+class MsgConversationView;
+class HbView;
+
+/**
+ * Interface for launching the Conversation View.
+ * The conversation view then
+ * shall be used to show the conversations or used for editing message.
+ * 
+ * MsgConversationViewInterface emits 1 signal
+ * 
+ * conversationViewClosed() is emitted when the view is closed.
+ * The view is closed , when the back key is pressed.
+ * i.e. secondary softkey.
+ */
+class CONVERSATION_VIEW_EXPORT MsgConversationViewInterface : public QObject
+    {
+    Q_OBJECT
+
+public:
+
+    /**
+     * Constructor
+     */
+    MsgConversationViewInterface(HbMainWindow* parent=0);
+
+    /**
+     * Destructor
+     */
+    ~MsgConversationViewInterface();
+
+public:
+    /**
+     * openConversationView
+     * Launches conversation view
+     * @param entryId, the conversation index to be open
+     *
+     */
+    void openConversationView(qint64 entryId);
+
+    /**
+     * openConversationView
+     * Launches conversation view in send mode with pre-populated data.
+     * @param dataArray, the data array from which conversation view is
+     * populated.
+     */
+    void openConversationView(QByteArray dataArray);
+    
+    /**
+     * openConversationView
+     * Launches conversation view in send mode with pre-populated data.
+     * @param number specifies phone number string
+     * @param name specifies number alias name
+     */
+    void openConversationView(QString number, QString name);
+    
+public slots:   
+    /**
+     * Close the conversation view 
+     * This slot is triggered when user presses back(seconday sofykey)
+     */
+    void closeConversationView();
+ 
+ signals:
+     /**
+      * Signal emitted when the conversation view is closed.
+      */
+    void conversationViewClosed(); 
+    
+private :
+    /**
+     * Create and initialise the view
+     */
+    void initView();
+    
+private:
+    /**
+     * Reference of HbMainWindow, main window class
+     * Not Owned
+     */
+    HbMainWindow *mMainWindow;
+    
+    /**
+     * MsgConversationView, main view class
+     * Owned
+     */
+    MsgConversationView *mConversationView;
+
+    /**
+     * Container widget holding conversation view &
+     * header widget
+     * Owned
+     */
+    HbView *mMainWidget;
+
+    };
+
+#endif // MSG_CONVERSATION_VIEW_INTERFACE_H