diff -r e7aa27f58ae1 -r 578830873419 emailservices/nmclientapi/src/nmapifolderlisting.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/nmclientapi/src/nmapifolderlisting.cpp	Fri Apr 16 14:51:52 2010 +0300
@@ -0,0 +1,132 @@
+/*
+ * 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:
+ *
+ */
+
+#include "nmapifolderlisting_p.h"
+#include "nmapifolderlisting.h"
+#include <QtCore>
+
+namespace EmailClientApi
+{
+
+/*!
+ * \class Class for creating list of all folders
+ */
+
+/*!
+ * Constructor of class. It set start values.
+ */
+NmFolderListing::NmFolderListing(QObject *parent, const quint64 &nmMailboxId) :
+    NmMessageTask(parent)
+{
+    mFolderListing = new NmFolderListingPrivate(this);
+    mFolderListing->mIsRunning = false;
+    mFolderListing->mMailboxId = nmMailboxId;
+}
+
+/*!
+ * Destructor of class. It release engine to be safe if manual releasing won't work.
+ */
+NmFolderListing::~NmFolderListing()
+{
+    if (mFolderListing->mIsRunning) {
+        mFolderListing->releaseEngine();
+    }
+}
+
+/*! 
+ * \brief Returns results after foldersListed signal is received.
+ * 
+ *  Caller gets ownership of messages. Returns true if results were available.
+ *  It clears list of folders after be called.
+ *  It also at start clear inputlist of NmFolder.
+ */
+bool NmFolderListing::folders(QList<EmailClientApi::NmFolder> &folders)
+{
+    folders.clear();
+    if (!mFolderListing->mIsRunning || mFolderListing->mFolders.isEmpty()) {
+        return false;
+    }
+    folders = mFolderListing->mFolders;
+    mFolderListing->mFolders.clear();
+    return true;
+}
+
+/*!
+ * \brief Starts gathering folders list.
+ * 
+ * In first turn it will get whole folderlist. and then
+ * it emits information signal \sa folderListed 
+ * 
+ * To asynchronous operation ce be used \sa QTimer::singleShot on this method.
+ * Example:
+ * <code> 
+ * QTimer::singleShot(0,nmFolderListing,SLOT(start());
+ * </code>
+ * 
+ */
+bool NmFolderListing::start()
+{
+    if (mFolderListing->mIsRunning) {
+        return true;
+    }
+
+    if (!mFolderListing->initializeEngine()) {
+        QMetaObject::invokeMethod(this, "foldersListed", Qt::QueuedConnection, Q_ARG(qint32,
+            (qint32) FolderListingFailed));
+        return false;
+    }
+
+    qint32 folderCount = mFolderListing->grabFolders();
+
+    mFolderListing->mIsRunning = true;
+    QMetaObject::invokeMethod(this, "foldersListed", Qt::QueuedConnection,
+        Q_ARG(qint32, folderCount));
+
+    return true;
+}
+
+/*!
+ * \brief Stop gathering folder list.
+ * 
+ * In first it change state of listing.
+ * Then it release engine.
+ * On end it clears list of folders and emits \sa NmMessageTask::canceled() signal.
+ */
+void NmFolderListing::cancel()
+{
+    if (!mFolderListing->mIsRunning) {
+        return;
+    }
+
+    mFolderListing->mIsRunning = false;
+    mFolderListing->releaseEngine();
+    mFolderListing->mFolders.clear();
+
+    emit canceled();
+}
+
+/*!
+ * \brief Return info if listing is running
+ */
+bool NmFolderListing::isRunning() const
+{
+    return mFolderListing->mIsRunning;
+}
+
+}
+
+#include "moc_nmapifolderlisting.cpp"