diff -r 139d4b7b2938 -r 99bcbff212ad emailuis/nmailui/src/nmviewerviewnetreply.cpp
--- a/emailuis/nmailui/src/nmviewerviewnetreply.cpp	Mon May 24 21:02:02 2010 +0300
+++ b/emailuis/nmailui/src/nmviewerviewnetreply.cpp	Fri May 28 13:56:43 2010 +0300
@@ -28,18 +28,52 @@
 /*!
     Constructor
 */
-NmViewerViewNetReply::NmViewerViewNetReply(QVariant data)
+NmViewerViewNetReply::NmViewerViewNetReply(QVariant data, NmUiEngine &uiEngine)
     : QNetworkReply(),
       mDataArray(data.toByteArray()),
+      mUiEngine(uiEngine),
+      mOperation(NULL),
       mReadIndex(0)
 {
+    NM_FUNCTION;
+    
     open(ReadWrite);
     setReadBufferSize(mDataArray.length());
     // QNetworkAccessManager starts listening the signals only
     // after the construction, so we cannot signal reply to be
     // ready instantly. We need to emit the signals after the
     // construction.
-    QTimer::singleShot(100, this, SLOT(signalReady()));
+    QMetaObject::invokeMethod(this, "signalReady", Qt::QueuedConnection);
+}
+
+/*!
+
+*/
+NmViewerViewNetReply::NmViewerViewNetReply(QVariant data, NmUiEngine &uiEngine, 
+        const NmId &mailboxId, const NmId &folderId, const NmId &messageId, 
+        const NmId &messagePartId)
+    : QNetworkReply(),
+      mDataArray(data.toByteArray()),
+      mUiEngine(uiEngine),
+      mMailboxId(mailboxId),
+      mFolderId(folderId),
+      mMessageId(messageId),
+      mMessagePartId(messagePartId),
+      mOperation(NULL),
+      mReadIndex(0)
+{
+    mOperation = uiEngine.fetchMessagePart(mMailboxId, mFolderId, mMessageId, mMessagePartId);
+    if (mOperation) {
+        connect(mOperation, SIGNAL(operationCompleted(int)),
+            this, SLOT(fetchCompleted(int)));
+        connect(mOperation, SIGNAL(operationCancelled()),
+            this, SLOT(fetchCancelled()));
+    }
+    else {
+        open(ReadWrite);
+        setReadBufferSize(mDataArray.length());
+        QMetaObject::invokeMethod(this, "signalReady", Qt::QueuedConnection);
+    }
 }
 
 /*!
@@ -47,6 +81,7 @@
 */
 NmViewerViewNetReply::~NmViewerViewNetReply()
 {
+    NM_FUNCTION;
 }
 
 /*!
@@ -54,6 +89,8 @@
 */
 void NmViewerViewNetReply::signalReady()
 {
+    NM_FUNCTION;
+    
     // Insert embedded images into cache manually
     if(manager()) {
         if(manager()->cache() && request().url().scheme() == NMUI_NET_REPLY_CONTENT_ID) {
@@ -76,11 +113,60 @@
 }
 
 /*!
+    Slot. Called when fetch operation completes
+*/
+void NmViewerViewNetReply::fetchCompleted(int result)
+{
+    NM_FUNCTION;
+    
+    Q_UNUSED(result);
+    NmMessage *message = NULL;
+    message = mUiEngine.message(
+            mMailboxId,
+            mFolderId,
+            mMessageId);
+    if (message) {
+        QList<NmMessagePart*> partList;
+        message->attachmentList(partList);
+        NmMessagePart *part = NULL;
+        for (int i = 0; !part && i < partList.count(); i++) {
+            if (partList[i]->partId() == mMessagePartId) {
+                part = partList[i];
+            }
+        }
+        if (part) {
+            int error = mUiEngine.contentToMessagePart(mMailboxId, mFolderId, mMessageId, *part);
+            if (error == NmNoError) {
+                mDataArray = part->binaryContent();
+            }
+        }
+    }
+    delete message;
+    message = NULL;
+    open(ReadWrite);
+    setReadBufferSize(mDataArray.length());
+    QMetaObject::invokeMethod(this, "signalReady", Qt::QueuedConnection);
+}
+
+/*!
+    Slot. Called if fetch operation is cancelled
+*/
+void NmViewerViewNetReply::fetchCancelled()
+{
+    NM_FUNCTION;
+    
+    // just call fetch completed
+    fetchCompleted(NmCancelError);
+}
+
+/*!
     setOriginalRequest. This function is created to provide access to call
     base class' protected function setRequest
 */
 void NmViewerViewNetReply::setOriginalRequest(const QNetworkRequest &request)
 {
+    NM_FUNCTION;
+    
     setRequest(request);
 }
 
@@ -89,6 +175,8 @@
 */
 qint64 NmViewerViewNetReply::readData(char *data, qint64 maxlen)
 {
+    NM_FUNCTION;
+    
     qint64 i = 0;
     const qint64 dataLength(mDataArray.length());
 
@@ -107,6 +195,8 @@
 */
 qint64 NmViewerViewNetReply::readBufferSize() const
 {
+    NM_FUNCTION;
+    
     return mDataArray.length();
 }
 
@@ -118,6 +208,8 @@
 */
 qint64 NmViewerViewNetReply::bytesAvailable() const
 {
+    NM_FUNCTION;
+    
     return mDataArray.length() + QIODevice::bytesAvailable();
 }
 
@@ -126,6 +218,8 @@
 */
 bool NmViewerViewNetReply::isSequential () const
 {
+    NM_FUNCTION;
+    
     return false;
 }
 
@@ -135,5 +229,6 @@
 */
 void NmViewerViewNetReply::abort()
 {
+    NM_FUNCTION;
 }