--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/nmailuiengine/inc/nmuiengine.h	Fri Apr 16 14:51:52 2010 +0300
@@ -0,0 +1,178 @@
+/*
+* 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:
+*
+*/
+
+#ifndef NMUIENGINE_H
+#define NMUIENGINE_H
+
+#include <QObject>
+#include <QList>
+#include "nmcommon.h"
+#include "nmuienginedef.h"
+
+class NmMailboxListModel;
+class NmMessageListModel;
+class NmDataManager;
+class NmDataPluginFactory;
+class NmMailboxMetaData;
+class NmMessage;
+class NmMessagePart;
+class NmMessageEnvelope;
+class NmMessageCreationOperation;
+class NmStoreEnvelopesOperation;
+class NmAddAttachmentsOperation;
+class NmOperation;
+class NmCheckOutboxOperation;
+class NmMessageSendingOperation;
+
+class NMUIENGINE_EXPORT NmUiEngine: public QObject
+{
+    Q_OBJECT
+public:
+
+    static NmUiEngine *instance();
+    static void releaseInstance(NmUiEngine *&instance);
+
+    NmMailboxListModel &mailboxListModel();
+
+    void refreshMailboxListModel();
+
+    NmMessageListModel &messageListModel(const NmId &mailboxId, const NmId &folderId);
+
+    void releaseMessageListModel(const NmId &mailboxId);
+
+    NmId standardFolderId(const NmId &mailboxId, NmFolderType folderType);
+
+    NmMessage *message(
+        const NmId &mailboxId,
+        const NmId &folderId,
+        const NmId &messageId);
+
+    NmOperation *fetchMessage(
+        const NmId &mailboxId,
+        const NmId &folderId,
+        const NmId &messageId);
+
+    NmOperation *fetchMessagePart( 
+        const NmId &mailboxId,
+        const NmId &folderId,
+        const NmId &messageId,
+        const NmId& messagePartId);
+    
+    NmMailboxMetaData *mailboxById(const NmId &mailboxId);
+
+    int contentToMessagePart(
+        const NmId &mailboxId,
+        const NmId &folderId,
+        const NmId &messageId,
+        NmMessagePart &messagePart);
+
+    NmMessage *createMessage(
+        const NmId &mailboxId,
+        const NmId &folderId);
+
+    int deleteMessages(
+        const NmId &mailboxId,
+        const NmId &folderId,
+        const QList<NmId> &messageIdList);
+
+    NmStoreEnvelopesOperation *setEnvelopes(
+            const NmId &mailboxId,
+            const NmId &folderId,
+            NmEnvelopeProperties property,
+            const QList<const NmMessageEnvelope*> &envelopeList);
+
+
+    NmMessageCreationOperation *createNewMessage(const NmId &mailboxId);
+
+    NmMessageCreationOperation *createForwardMessage(
+            const NmId &mailboxId,
+            const NmId &originalMessageId);
+
+    NmMessageCreationOperation *createReplyMessage(
+            const NmId &mailboxId,
+            const NmId &originalMessageId,
+            bool replyAll);
+
+    int saveMessage(const NmMessage &message);
+
+    NmOperation *saveMessageWithSubparts(const NmMessage &message);
+
+    int refreshMailbox(const NmId &mailboxId);
+
+    int removeMessage(
+                const NmId &mailboxId,
+                const NmId &folderId,
+                const NmId &messageId);
+
+    void storeOperation(NmOperation *op);
+
+    void sendMessage(NmMessage *message);
+
+    bool isSendingMessage() const;
+
+    const NmMessage *messageBeingSent();
+    NmAddAttachmentsOperation *addAttachments(
+            const NmMessage &message,
+            const QList<QString> &fileList);
+    
+    NmOperation *removeAttachment(const NmMessage &message, const NmId &attachmentPartId);
+
+    NmCheckOutboxOperation *checkOutbox(const NmId &mailboxId);
+    
+    NmSyncState syncState(const NmId& mailboxId);
+    NmConnectState connectionState(const NmId& mailboxId);
+
+public slots:
+    void handleCompletedOperation();
+
+    void handleCompletedSendOperation();
+    void handleCompletedSaveOperation(int error);
+
+    void cleanupSendOperation();
+    
+signals:
+    void syncStateEvent(NmSyncState, const NmId &);
+    void connectionEvent(NmConnectState, const NmId &);
+
+private:
+
+    NmUiEngine();
+    virtual ~NmUiEngine();
+
+private:
+
+    static NmUiEngine *mInstance;
+    static int	mReferenceCount;
+
+    NmDataPluginFactory *mPluginFactory;
+    NmDataManager *mDataManager;                // Owned
+    NmMailboxListModel *mMailboxListModel;      // Owned
+    NmMessageListModel *mMessageListModel;      // Owned
+    QList<NmOperation*> mOperations;			// Owned
+
+    NmMessageSendingOperation *mSendOperation;  // Owned
+    NmOperation *mSaveOperation;                // Owned
+
+    // Flag that idicates if the message should be sent after storing
+    bool mMessageToBeSent;
+
+	NmMessage *mMessage;                        // Owned
+};
+
+
+#endif /* NMUIENGINE_H */
+