--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/nmclientapi/src/nmapienvelopelisting.cpp	Fri Apr 16 14:51:52 2010 +0300
@@ -0,0 +1,140 @@
+/*
+ * 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 "nmapienvelopelisting_p.h"
+#include "nmapienvelopelisting.h"
+#include "nmapiengine.h"
+
+namespace EmailClientApi
+{
+/*!
+ * Constructor of class. It set start values.
+ */
+NmEnvelopeListing::NmEnvelopeListing(
+    QObject *parent,
+    const quint64 folderId,
+    const quint64 mailboxId) :
+    NmMessageTask(parent)
+{
+    mListingPrivate = new NmEnvelopeListingPrivate(this);
+    mListingPrivate->mailboxId = mailboxId;
+    mListingPrivate->folderId = folderId;
+    mListingPrivate->mIsRunning = false;
+}
+
+/*!
+ * Destructor of class. It release engine to be safe if manual releasing won't work.
+ */
+NmEnvelopeListing::~NmEnvelopeListing()
+{
+    if (mListingPrivate->mIsRunning) {
+        mListingPrivate->releaseEngine();
+    }
+}
+
+/*!
+ * \brief Starts gathering envelopes list.
+ * 
+ * In first turn it will get whole folderlist. 
+ * If start works, it do nothing.
+ * 
+ * To asynchronous operation ce be used \sa QTimer::singleShot on this method.
+ * Example:
+ * <code> 
+ * QTimer::singleShot(0,nmEnvelopeListing,SLOT(start());
+ * </code>
+ * 
+ */
+bool NmEnvelopeListing::start()
+{
+    bool result = false;
+
+    if (mListingPrivate->mIsRunning) {
+        result = true;
+    }
+    else {
+
+        bool started = mListingPrivate->initializeEngine();
+        if (!started) {
+            QMetaObject::invokeMethod(this, "envelopesListed", Qt::QueuedConnection, Q_ARG(qint32,
+                (qint32) EnvelopeListingFailed));
+            result = false;
+        }
+        else {
+            qint32 envelopesCount = mListingPrivate->grabEnvelopes();
+
+            mListingPrivate->mIsRunning = true;
+            QMetaObject::invokeMethod(this, "envelopesListed", Qt::QueuedConnection, Q_ARG(qint32,
+                envelopesCount));
+            result = true;
+        }
+    }
+    return result;
+}
+
+/*!
+ * \brief Stop gathering envelope list.
+ * 
+ * In first it change state of listing.
+ * Then it release engine.
+ * On end it clears list of envelopes and emits \sa NmMessageTask::canceled() signal.
+ */
+void NmEnvelopeListing::cancel()
+{
+    if (mListingPrivate->mIsRunning) {
+        mListingPrivate->mIsRunning = false;
+        mListingPrivate->releaseEngine();
+        mListingPrivate->mEnvelopes.clear();
+
+        emit canceled();
+    }
+}
+
+/*! 
+ * \brief Returns results after envelopesListed signal is received.
+ * 
+ *  Caller gets ownership of envelopes. Returns true if results were available.
+ *  It clears list of envelopes after be called.
+ *  It also at start clear inputlist of NmMessageEnvelope.
+ */
+bool NmEnvelopeListing::envelopes(QList<EmailClientApi::NmMessageEnvelope> &envelopes)
+{
+    envelopes.clear();
+
+    bool result = false;
+
+    if (!mListingPrivate->mIsRunning) {
+        result = false;
+    }
+    else {
+        envelopes = mListingPrivate->mEnvelopes;
+        mListingPrivate->mEnvelopes.clear();
+        result = true;
+    }
+    return result;
+}
+
+/*!
+ * \brief Return info if listing is running
+ */
+bool NmEnvelopeListing::isRunning() const
+{
+    return mListingPrivate->mIsRunning;
+}
+}
+
+#include "moc_nmapienvelopelisting.cpp"