diff -r dcf0eedfc1a3 -r d189ee25cf9d emailuis/nmailui/src/nmmailboxserviceinterface.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/nmailui/src/nmmailboxserviceinterface.cpp	Tue Aug 31 15:04:17 2010 +0300
@@ -0,0 +1,154 @@
+/*
+* 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: NMail application service interface used for displaying the
+*              messages contained by the given mailbox. The service utilizes
+*              thr Qt highway framework.
+*/
+
+//  INCLUDES
+#include "nmuiheaders.h" // Includes also the class header.
+
+
+/*!
+    \class NmMailboxServiceInterface
+    \brief A service interface for displaying the messages contained by the
+           given mailbox.
+*/
+
+
+/*!
+    Class constructor.
+*/
+NmMailboxServiceInterface::NmMailboxServiceInterface(QObject *parent,
+        NmUiEngine &uiEngine,
+        NmApplication *application)
+    : XQServiceProvider(emailFullServiceNameMailbox, parent),
+      mUiEngine(uiEngine),
+      mApplication(application),
+      mAsyncReqId(0)
+{
+    publishAll();
+}
+
+
+/*!
+    Class desctructor.
+*/
+NmMailboxServiceInterface::~NmMailboxServiceInterface()
+{
+    NM_FUNCTION;
+}
+
+
+/*!
+    Called by some external application when the content of a mailbox needs to
+    be viewed.
+    \param data The ID of the mailbox to open.
+*/
+void NmMailboxServiceInterface::displayInboxByMailboxId(QVariant data)
+{
+    NM_FUNCTION;
+
+
+    // Get the given ID and convert it into NmId type.
+    NmId mailboxNmId(data.toULongLong());
+
+    mAsyncReqId = setCurrentRequestAsync();
+
+    // Make sure that app stays background if user presses back in message list view
+    bool visible = mApplication->updateVisibilityState();
+
+    if (mailboxExistsById(mailboxNmId)) {
+        // Fetch inbox id
+        NmId inboxId = mUiEngine.standardFolderId(mailboxNmId, NmFolderInbox);
+        // Bring the application to the foreground.
+        if (!XQServiceUtil::isEmbedded()) {
+            XQServiceUtil::toBackground(false);
+        }
+        if (mApplication) {
+            HbMainWindow *mainWindow = mApplication->mainWindow();
+            mainWindow->show();
+
+            // Launch the message list view.
+            NmUiStartParam *startParam =
+                new NmUiStartParam(NmUiViewMessageList,
+                                   mailboxNmId,
+                                   inboxId, // folder id
+                                   0, // message id
+                                   NmUiEditorCreateNew, // editor start mode
+                                   NULL, // address list
+                                   NULL, // attachment list
+                                   true); // start as service
+            mApplication->enterNmUiView(startParam);
+        }
+
+        completeRequest(mAsyncReqId, 0);
+    }
+    else {
+        // No mailbox found with the given ID or Inbox ID is not known
+
+        // if started as embedded, do not hide the app
+		if (!XQServiceUtil::isEmbedded() && !visible) {
+			XQServiceUtil::toBackground(true);
+		}
+
+        completeRequest(mAsyncReqId, 1);
+
+        // Close the application if started as a service.
+        if (XQServiceUtil::isService()) {
+            connect(this, SIGNAL(returnValueDelivered()),
+                    mApplication, SLOT(delayedExitApplication()));
+        }
+    }
+}
+
+
+/*!
+    Resolves whether a mailbox with the given ID exists or not.
+    \param mailboxId The mailbox ID to look for.
+    \return True if a mailbox with the given ID exists, false otherwise.
+*/
+bool NmMailboxServiceInterface::mailboxExistsById(const NmId &mailboxId) const
+{
+    NM_FUNCTION;
+
+    const NmMailboxListModel& mailboxListModel = mUiEngine.mailboxListModel();
+    int mailboxCount = mailboxListModel.rowCount();
+
+    QModelIndex modelIndex;
+    QVariant mailbox;
+    NmMailboxMetaData *mailboxMetaData = NULL;
+    NmId currentId;
+
+    // Try to find the mailbox with the given ID.
+    for (int i = 0; i < mailboxCount; ++i) {
+        modelIndex = mailboxListModel.index(i, 0);
+        mailbox = mailboxListModel.data(modelIndex);
+        mailboxMetaData = mailbox.value<NmMailboxMetaData*>();
+        if (mailboxMetaData) {
+            currentId = mailboxMetaData->id();
+        }
+
+        if (currentId.id() == mailboxId.id()) {
+            // Found a mailbox with the matching ID.
+            return true;
+        }
+    }
+
+    // No mailbox exist with the given ID.
+    return false;
+}
+
+
+// End of file.