meetingrequest/mricalviewer/inc/cesmricalviewercmdhandler.h
branchRCL_3
changeset 64 3533d4323edc
parent 0 8466d47a6819
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mricalviewer/inc/cesmricalviewercmdhandler.h	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,131 @@
+/*
+* 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:  ESMR imap calendar entry retriever definition
+*
+*/
+
+
+#ifndef CESMRICALVIEWERCMDHANDLER_H
+#define CESMRICALVIEWERCMDHANDLER_H
+
+#include <e32base.h>
+//<cmail>
+#include "mesmricalviewerobserver.h"
+#include "mesmricalviewercallback.h"
+//</cmail>
+
+class CCalSession;
+class CFSMailClient;
+class CFSMailMessage;
+class MESMRIcalViewerCommand;
+
+/**
+ * CESMRIcalViewerCmdHandler is responsible for creating and
+ * executing esmricalviewer commands for CFSMailMessages.
+ */
+NONSHARABLE_CLASS( CESMRIcalViewerCmdHandler ) :
+        public CBase,
+        public MESMRIcalViewerObserver
+    {
+public: // Construction and destruction
+    /**
+     * Creates and initialzes new CESMRIcalViewerCmdHandler object.
+     * @param aCallback Reference to ESMRIcalviewer callback.
+     * @return Pointer to CESMRIcalViewerCmdHandler object.
+     */
+    static CESMRIcalViewerCmdHandler* NewL(
+            MESMRIcalViewerCallback& aCallback );
+
+    /**
+     * C++ destructor
+     */
+    ~CESMRIcalViewerCmdHandler();
+
+public: // Interface
+    /**
+     * Executes commands on based on CFSMailMessages based on  operation types
+     * @param aOpType commands operation type
+     * @param aObserver observer of the asynchronous command result
+     * @param aMessage the command is executed on this CFSMailMessage
+     */
+    void ExecuteCommandL(
+            TESMRIcalViewerOperationType aOpType,
+            MESMRIcalViewerObserver* aObserver,
+            CFSMailMessage& aMessage );
+
+    /**
+     * Executes commands on based on CFSMailMessages based on  operation types
+     * @param aOpType commands operation type
+     * @param aObserver observer of the asynchronous command result
+     * @param aMessage the command is executed on this CFSMailMessage
+     * @param aParam generic extension parameter type to extend ical commands
+     */
+    void ExecuteCommandL(
+            TESMRIcalViewerOperationType aOpType,
+            MESMRIcalViewerObserver* aObserver,
+            CFSMailMessage& aMessage,
+            TAny* aParam );
+
+    /**
+     * Cancel asynchronous operation execution
+     */
+    void CancelOperation();    
+    
+public: // From MESMRIcalViewerObserver
+    void OperationCompleted(
+                    TIcalViewerOperationResult aResult );
+    void OperationError(
+                    TIcalViewerOperationResult aResult );
+    
+private: // Implementation
+    CESMRIcalViewerCmdHandler(
+            MESMRIcalViewerCallback& aCallback );
+    void ConstructL();
+
+    void ExecuteCommandInternalL( 
+            TESMRIcalViewerOperationType aOpType,
+            MESMRIcalViewerObserver* aObserver,
+            CFSMailMessage& aMessage,
+            TAny* aParam );
+    
+    /**
+     * Operation state of command execution
+     */
+    enum TState
+        {
+        EIdle,
+        EExecuting
+        };
+
+private: // Data
+    TState iState;
+    /// Own. Calendar database session
+    CCalSession* iCalSession;
+    /// Own. FS Email mail client object.
+    CFSMailClient* iMailClient;
+    /// Own: Copy of the message to be handled.
+    CFSMailMessage* iMessage;
+    /// Own: Command array
+    MESMRIcalViewerCommand* iCommand;
+    /// Ref: Reference to command observer
+    MESMRIcalViewerObserver* iObserver;
+    /// Ref: ESMRIcalViewer callback
+    MESMRIcalViewerCallback& iCallback;
+    /// Own: Result structure
+    MESMRIcalViewerObserver::TIcalViewerOperationResult iResult;
+    };
+
+#endif
+
+// EOF