diff -r ecc8def7944a -r 2dc6caa42ec3 emailuis/nmailui/src/nmattachmentmanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/nmailui/src/nmattachmentmanager.cpp	Fri May 14 15:41:10 2010 +0300
@@ -0,0 +1,160 @@
+/*
+* 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:
+*
+*/
+
+#include "nmuiheaders.h"
+
+const int NmAttachmentManagerInitialProgressPercent = 5;
+
+/*!
+    \class NmAttachmentManager
+    \brief Attachment download manager, shares attachment download between editor and viewer
+*/
+
+/*!
+
+*/
+NmAttachmentManager::NmAttachmentManager(NmUiEngine &uiEngine) :
+    mUiEngine(uiEngine),
+    mFetchOperation(NULL),
+    mFetchObserver(NULL),
+    mAttaId(0),
+    mProgressValue(0),
+    mIsFetching(false)
+{
+
+}
+
+/*!
+
+*/
+NmAttachmentManager::~NmAttachmentManager()
+{
+    // cancel fetch
+    cancelFetch();
+}
+
+/*!
+    Starts attachment fetch. If earlier fetch operation exist it is cancelled.
+    Set observer with setObserver method to get process and complete events
+*/
+void NmAttachmentManager::fetchAttachment(
+        const NmId &mailboxId, 
+        const NmId &folderId, 
+        const NmId &messageId, 
+        const NmId &messagePartId)
+{
+    // cancel old fetch operation, Does nothing if fetch not ongoing
+    cancelFetch();
+
+    mFetchOperation = mUiEngine.fetchMessagePart(
+            mailboxId, folderId, messageId, messagePartId);
+    
+    if (mFetchOperation) {
+        mAttaId = messagePartId;
+        mIsFetching = true;
+        QObject::connect(mFetchOperation, SIGNAL(operationCompleted(int)),
+                this, SLOT(attachmentFetchCompleted(int)));
+        
+        QObject::connect(mFetchOperation, SIGNAL(operationProgressChanged(int)),
+                this, SLOT(changeProgress(int)));
+        // set progress to 5 % already in start
+        changeProgress(NmAttachmentManagerInitialProgressPercent);
+    }
+}
+
+/*!
+    Retruns true if fetch operation is ongoing
+*/
+bool NmAttachmentManager::isFetching() const
+{
+    return mIsFetching;
+}
+
+/*!
+    Retrunrs part id of attachment if fetch operation is ongoing. Zero id is returned otherwise
+*/
+NmId NmAttachmentManager::partIdUnderFetch() const
+{
+    return mAttaId;
+}
+
+/*!
+    Cancels fetch operation. Does nothing if fetch not ongoing
+*/
+void NmAttachmentManager::cancelFetch()
+{
+    if (mFetchOperation && mFetchOperation->isRunning()) { 
+        mFetchOperation->cancelOperation();
+    }
+    mIsFetching = false;
+    mAttaId = 0;
+    mProgressValue = 0;
+}
+
+/*!
+    Used by message part fetch operation
+*/
+void NmAttachmentManager::changeProgress(int value)
+{
+    if (mFetchObserver && value > mProgressValue) {
+        mProgressValue = value;
+        mFetchObserver->progressChanged(value);
+    }
+}
+
+/*!
+    Used by message part fetch operation
+*/
+void NmAttachmentManager::attachmentFetchCompleted(int result)
+{
+    if (mFetchObserver) {
+        mFetchObserver->fetchCompleted(result);
+    }
+    mAttaId = 0;
+    mProgressValue = 0;
+    mIsFetching = false;
+}
+
+/*!
+    Sets fetch observer
+*/
+void NmAttachmentManager::setObserver(NmAttachmentFetchObserver *observer)
+{
+    mFetchObserver = observer;
+    // send progress event wheng observer changes if fetch ongoing 
+    // to get progress bar updating
+    if (mIsFetching) {
+        changeProgress(mProgressValue);
+    }
+}
+
+/*!
+    Clear observer
+*/
+void NmAttachmentManager::clearObserver()
+{
+    mFetchObserver = NULL;
+}
+
+/*!
+    Returns progress value if fetch ongoing. Otherwise returns 0.
+*/
+int NmAttachmentManager::progressValue() const
+{
+    return mProgressValue;
+}
+