--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailcommon/src/CFSMailRequestHandler.cpp	Tue Aug 31 15:04:17 2010 +0300
@@ -0,0 +1,295 @@
+/*
+* Copyright (c) 2007-2009 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:  plugin request handler
+*
+*/
+
+#include "emailtrace.h"
+
+// <qmail>
+// Exports removed because entire class is exported from DLL
+#include <nmcommonheaders.h>
+// </qmail>
+
+#include "CFSMailRequestHandler.h"
+#include "CFSMailRequestObserver.h"
+
+
+// ================= MEMBER FUNCTIONS ==========================================    
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CFSMailRequestHandler
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler::CFSMailRequestHandler() : iRequestId(0)
+{
+    NM_FUNCTION;
+
+    // store pointer to TLS
+    TInt err = Dll::SetTls(static_cast<TAny*>(this));
+
+    // reset 
+    iPendingRequests.Reset();
+    iPluginList.Reset();
+    
+    iTempDirName =NULL;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::~CFSMailRequestHandler
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler::~CFSMailRequestHandler()
+    {
+    NM_FUNCTION;
+    
+    TRAP_IGNORE( CancelAllRequestsL() );
+    RemoveAllRequests();
+    iPendingRequests.Reset();
+    iPluginList.ResetAndDestroy();
+    
+    if(iTempDirName)
+        {
+        delete iTempDirName;
+        // close file server connection
+        iFs.Close();        
+        }
+    
+    // clear TLS
+    Dll::FreeTls();
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::NewLC
+// -----------------------------------------------------------------------------
+ CFSMailRequestHandler* CFSMailRequestHandler::NewLC( 
+                                    RPointerArray<CImplementationInformation>& aPluginInfo,
+                                    RPointerArray<CFSMailPlugin>& aPlugins )
+{
+    NM_FUNCTION;
+    
+    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 )
+{
+    NM_FUNCTION;
+    
+    CFSMailRequestHandler* pluginHandler =  
+        CFSMailRequestHandler::NewLC( aPluginInfo, aPlugins );
+    CleanupStack:: Pop(pluginHandler);
+    return pluginHandler;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::ConstructL
+// -----------------------------------------------------------------------------
+void CFSMailRequestHandler::ConstructL( 
+                                RPointerArray<CImplementationInformation> /*aPluginInfo*/,
+                                RPointerArray<CFSMailPlugin> /*aPlugins*/ )
+{
+    NM_FUNCTION;
+}
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::GetPluginByUid
+// -----------------------------------------------------------------------------
+ CFSMailPlugin* CFSMailRequestHandler::GetPluginByUid( TFSMailMsgId aObjectId )
+    {
+    NM_FUNCTION;
+
+    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)
+    {
+    NM_FUNCTION;
+    
+        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.AppendL(newRequest);
+        
+        return newRequest;
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CompleteRequest
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::CompleteRequest( TInt aRequestId )
+    {
+    NM_FUNCTION;
+    
+        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 )
+    {
+    NM_FUNCTION;
+    
+        for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        if(iPendingRequests[i].iRequestId == aRequestId &&
+            iPendingRequests[i].iRequestStatus == TFSPendingRequest::EFSRequestPending)
+            {
+            TFSMailMsgId pluginId(iPendingRequests[i].iPluginId,0);
+            if(CFSMailPlugin* plugin = GetPluginByUid(pluginId))
+                {
+                plugin->CancelL(aRequestId);
+                }
+            iPendingRequests[i].iRequestStatus = TFSPendingRequest::EFSRequestCancelled;
+            break;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::CancelAllRequestsL
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::CancelAllRequestsL( )
+    {
+    NM_FUNCTION;
+    
+        for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+            if(iPendingRequests[i].iRequestStatus == TFSPendingRequest::EFSRequestPending)
+                {
+                TFSMailMsgId pluginId(iPendingRequests[i].iPluginId,0);
+                if(CFSMailPlugin* plugin = GetPluginByUid(pluginId))
+                    {
+                    plugin->CancelL(iPendingRequests[i].iRequestId);
+                    }
+                iPendingRequests[i].iRequestStatus = TFSPendingRequest::EFSRequestCancelled;
+                }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::AddPluginL
+// -----------------------------------------------------------------------------
+ void CFSMailRequestHandler::AddPluginL( TUid aPluginId, CFSMailPlugin* aPlugin )
+    {
+    NM_FUNCTION;
+
+    CFSMailPluginData* pluginData = new (ELeave) CFSMailPluginData;
+    pluginData->iPluginId = aPluginId;
+    pluginData->iPlugin = aPlugin;
+    iPluginList.AppendL(pluginData);             
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::RemoveAllRequests
+// -----------------------------------------------------------------------------
+void CFSMailRequestHandler::RemoveAllRequests()
+    {
+    NM_FUNCTION;
+    
+    for(TInt i=0;i<iPendingRequests.Count();i++)
+        {
+        delete iPendingRequests[i].iObserver;
+        iPendingRequests[i].iObserver = NULL;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::GetTempFileL( )
+// -----------------------------------------------------------------------------
+ RFile CFSMailRequestHandler::GetTempFileL( TFSMailMsgId aContentId, TFileName aFileName )
+{
+    NM_FUNCTION;
+    
+    // get temp dir path
+    if(iTempDirName == NULL)
+        {
+        // 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( )
+    {
+    NM_FUNCTION;
+    }
+
+// -----------------------------------------------------------------------------
+// CFSMailRequestHandler::GetTempDirL
+// -----------------------------------------------------------------------------
+ TDesC& CFSMailRequestHandler::GetTempDirL( )
+    {
+    NM_FUNCTION;
+    
+    return *iTempDirName;
+    }
+