--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrtasks/inc/cesmrcombinedtask.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,125 @@
+/*
+* 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:  Interface definition for ESMR send mr response via mail task
+*
+*/
+
+
+#ifndef C_ESMRCOMBINEDTASK_H
+#define C_ESMRCOMBINEDTASK_H
+
+#include "cesmrtaskbase.h"
+
+/**
+ * CESMRCombinedTask is responsibe for executing multiple tasks.
+ *
+ * CESMRCombinedTask executes the tasks in the order they are appended
+ * to task list.
+ *
+ * It is possible first add some tasks and execute them. Then remove
+ * some tasks and execute the task again.
+ *
+ * @code
+ *   CESMRCombinedTask* task = CESMRCombinedTask::NewL( ... );
+ *   CleanupStack::PushL( task );
+ *   task->AppendTaskL( ... );
+ *   task->AppendTaskL( ... );
+ *   task->AppendTaskL( ... );
+ *   task->ExecuteTaskL();
+ *   task->RemoveTaskL( ... );
+ *   task->ExecuteTaskL();
+ *   CleanupStack::PopAndDestroy();
+ * @endcode
+ *
+ * @lib esmrtasks.lib
+ */
+NONSHARABLE_CLASS( CESMRCombinedTask ) : public CESMRTaskBase
+    {
+public:
+
+    /**
+     * Enumeration for combined task execution rule.
+     * If EESMRTrap is used, each task is trapped when executed.
+     * If any of the tasks leave, then combined task leave after
+     * each task is executed.
+     * However leave code KErrCancel is leaved right away.
+     */
+    enum TESMRExecutionRule
+        {
+        EESMRLeave,     // Leave if any of the tasks leave
+        EESMRTrap       // TRAP each task and continue
+        };
+
+public:
+    /**
+     * Creates and initializes new CESMRCombinedTask object.
+     * Ownership is transferred to caller.
+     * @param aCalDbMgr Reference to cal db manager.
+     * @param aEntry Reference to ES MR calendar entry.
+     * @param aMRMailboxUtils Reference mr mailbox utilities.
+     * @param aRule Exection rule
+     */
+    static CESMRCombinedTask* NewL(
+        MESMRCalDbMgr& aCalDbMgr,
+        MESMRMeetingRequestEntry& aEntry,
+        CMRMailboxUtils& aMRMailboxUtils,
+        TESMRExecutionRule aRule =  CESMRCombinedTask::EESMRLeave );
+
+    /**
+     * C++ destructor.
+     */
+    ~CESMRCombinedTask();
+
+    /**
+     * Appends task to be executed. Ownership of appended task
+     * is transferred.
+     * @param aTask Pointer to task to be executed.
+     */
+    void AppendTaskL( MESMRTask* aTask );
+
+    /**
+     * Removes the task from task list. Method returns the pointer to
+     * removed task. Ownership of the removed task is transferred to caller.
+     *
+     * @param aTask Pointer to task to be removed.
+     * @return Pointer to removed task.
+     */
+    MESMRTask* RemoveTaskL( MESMRTask* aTask );
+
+public:// From MESMRTask
+    void ExecuteTaskL();
+
+private: // Implementation
+    CESMRCombinedTask(
+            MESMRCalDbMgr& aCalDbMgr,
+            MESMRMeetingRequestEntry& aEntry,
+            CMRMailboxUtils& aMRMailboxUtils,
+            TESMRExecutionRule aRule );
+
+    void ConstructL();
+
+private: // Data
+    /**
+    * Array of tasks to be executed
+    * Own
+    */
+    RPointerArray<MESMRTask> iTasks;
+
+    /**
+    * Task execution rule
+    */
+    TESMRExecutionRule iExecutionRule;
+    };
+
+#endif // C_ESMRCOMBINEDTASK_H