--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailcommon/src/CFSMailRequestHandler.cpp	Fri Apr 16 14:51:52 2010 +0300
@@ -0,0 +1,276 @@
+/*
+* Copyright (c) 2007-2008 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:  plugin request handler
+*
+*/
+
+
+#include <nmcommonheaders.h>
+#include "emailtrace.h"
+#include "CFSMailRequestHandler.h"
+#include "CFSMailRequestObserver.h"
+
+
+// ================= MEMBER FUNCTIONS ==========================================  
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CFSMailRequestHandler
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler::CFSMailRequestHandler() : iRequestId(0)
+{
+    FUNC_LOG;
+
+    // store pointer to TLS
+    TInt err = Dll::SetTls(static_cast<TAny*>(this));
+
+    // reset 
+    iPendingRequests.Reset();
+    iPluginList.Reset();
+  
+    iTempDirName =NULL;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::~CFSMailRequestHandler
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler::~CFSMailRequestHandler()
+{
+    FUNC_LOG;
+    TRAP_IGNORE( CancelAllRequestsL() );
+    RemoveAllRequests();
+    iPendingRequests.Reset();
+    iPluginList.ResetAndDestroy();
+    
+    if(iTempDirName)
+        {
+        delete iTempDirName;
+        // close file server connection
+        iFs.Close();        
+        }
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::NewLC
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler* CFSMailRequestHandler::NewLC( 
+                  RPointerArray<CImplementationInformation>& aPluginInfo,
+                  RPointerArray<CFSMailPlugin>& aPlugins )
+{
+    FUNC_LOG;
+    CFSMailRequestHandler* pluginHandler = new (ELeave) CFSMailRequestHandler();
+    CleanupStack:: PushL(pluginHandler);
+    pluginHandler->ConstructL( aPluginInfo, aPlugins );
+    return pluginHandler;
+} 
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::NewL
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler* CFSMailRequestHandler::NewL( 
+                  RPointerArray<CImplementationInformation>& aPluginInfo,
+                  RPointerArray<CFSMailPlugin>& aPlugins )
+{
+    FUNC_LOG;
+    CFSMailRequestHandler* pluginHandler =  
+          CFSMailRequestHandler::NewLC( aPluginInfo, aPlugins );
+    CleanupStack:: Pop(pluginHandler);
+    return pluginHandler;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::ConstructL
+// -----------------------------------------------------------------------------
+void CFSMailRequestHandler::ConstructL( 
+                RPointerArray<CImplementationInformation> /*aPluginInfo*/,
+                RPointerArray<CFSMailPlugin> /*aPlugins*/ )
+{
+    FUNC_LOG;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::GetPluginByUid
+// -----------------------------------------------------------------------------
+ CFSMailPlugin* CFSMailRequestHandler::GetPluginByUid( TFSMailMsgId aObjectId )
+{
+    FUNC_LOG;
+
+    for(TInt i=0;i<iPluginList.Count();i++)
+        {
+        if(iPluginList[i]->iPluginId.iUid == aObjectId.PluginId().iUid)
+            {
+            return iPluginList[i]->iPlugin;
+            }
+        }
+    return NULL;
+}
+  
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::InitAsyncRequestL
+// -----------------------------------------------------------------------------
+ TFSPendingRequest CFSMailRequestHandler::InitAsyncRequestL( 
+                          TUid aPluginId,
+                          MFSMailRequestObserver& aOperationObserver )
+{
+    FUNC_LOG;
+    TFSPendingRequest newRequest;
+    for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        if(iPendingRequests[i].iRequestStatus != TFSPendingRequest::EFSRequestPending)
+            {
+            iPendingRequests[i].iPluginId = aPluginId;
+            iPendingRequests[i].iRequestStatus = TFSPendingRequest::EFSRequestPending;
+            iPendingRequests[i].iObserver->SetUserObserver(aOperationObserver);     
+            newRequest = iPendingRequests[i];
+            return newRequest;
+            }
+        }
+
+    newRequest.iRequestId = iPendingRequests.Count();
+    newRequest.iPluginId = aPluginId;
+    newRequest.iRequestStatus = TFSPendingRequest::EFSRequestPending;     
+    CFSMailRequestObserver* observer = 
+            CFSMailRequestObserver::NewL(*this, aOperationObserver);
+    newRequest.iObserver = observer;
+    iPendingRequests.Append(newRequest);
+      
+    return newRequest;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CompleteRequest
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::CompleteRequest( TInt aRequestId )
+{
+    FUNC_LOG;
+    for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        if(iPendingRequests[i].iRequestId == aRequestId)
+            {
+            iPendingRequests[i].iRequestStatus = TFSPendingRequest::EFSRequestComplete;
+            break;
+            }
+        }
+}
+  
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CancelRequestL
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::CancelRequestL( TInt aRequestId )
+{
+    FUNC_LOG;
+    for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        if(iPendingRequests[i].iRequestId == aRequestId 
+            && iPendingRequests[i].iRequestStatus == TFSPendingRequest::EFSRequestPending)
+            {
+            TFSMailMsgId pluginId(iPendingRequests[i].iPluginId,0);
+            CFSMailPlugin* plugin = GetPluginByUid(pluginId);
+            plugin->CancelL(aRequestId);
+            iPendingRequests[i].iRequestStatus = TFSPendingRequest::EFSRequestCancelled;
+            break;
+            }
+        }
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CancelAllRequestsL
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::CancelAllRequestsL( )
+{
+    FUNC_LOG;
+    for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        if(iPendingRequests[i].iRequestStatus == TFSPendingRequest::EFSRequestPending)
+            {
+            TFSMailMsgId pluginId(iPendingRequests[i].iPluginId,0);
+            CFSMailPlugin* plugin = GetPluginByUid(pluginId);
+            plugin->CancelL(iPendingRequests[i].iRequestId);
+            iPendingRequests[i].iRequestStatus = TFSPendingRequest::EFSRequestCancelled;
+            }
+        }
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::AddPluginL
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::AddPluginL( TUid aPluginId, CFSMailPlugin* aPlugin )
+{
+    FUNC_LOG;
+
+    CFSMailPluginData* pluginData = new (ELeave) CFSMailPluginData;
+    pluginData->iPluginId = aPluginId;
+    pluginData->iPlugin = aPlugin;
+    iPluginList.Append(pluginData);       
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::RemoveAllRequests
+// -----------------------------------------------------------------------------
+void CFSMailRequestHandler::RemoveAllRequests()
+{
+    FUNC_LOG;
+    for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        delete iPendingRequests[i].iObserver;
+        iPendingRequests[i].iObserver = NULL;
+        }
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::GetTempFileL( )
+// -----------------------------------------------------------------------------
+// <qmail>
+ RFile CFSMailRequestHandler::GetTempFileL( TFSMailMsgId aContentId, TFileName aFileName )
+// </qmail>
+{
+    FUNC_LOG;
+    
+    // get temp dir path
+    // <qmail>
+    if(!iTempDirName)
+    // </qmail>
+        {
+        // open file server connection
+        User::LeaveIfError(iFs.Connect());
+        iFs.CreatePrivatePath(EDriveC);
+        iTempDirName = HBufC::NewL(20);
+        TPtr ptr = iTempDirName->Des();
+        iFs.PrivatePath(ptr);        
+        }
+    
+    // create temp file
+    RFile file;
+    aFileName.Append(iTempDirName->Des());
+    aFileName.AppendNum(aContentId.PluginId().iUid);
+    aFileName.AppendNum(aContentId.Id());
+    file.Replace(iFs,aFileName,EFileWrite);
+    return file;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CleanTempDirL
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::CleanTempDirL( )
+{
+    FUNC_LOG;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::GetTempDirL
+// -----------------------------------------------------------------------------
+ TDesC& CFSMailRequestHandler::GetTempDirL( )
+{
+    FUNC_LOG;
+    return *iTempDirName;
+}
+