--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/mpxmyvideoscollection/inc/vcxmyvideosactivetask.h Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: Active object to split up long running tasks*
+*/
+
+
+
+#ifndef VCXMYVIDEOSACTIVETASK_H
+#define VCXMYVIDEOSACTIVETASK_H
+
+#include <mpxcommand.h>
+#include <mpxmessage2.h>
+
+/**
+* Observer class to the active task object
+*/
+NONSHARABLE_CLASS( MVcxMyVideosActiveTaskObserver )
+ {
+public:
+ /**
+ * Handle the execution of a step
+ * @return ETrue if complete, EFalse if more to do
+ */
+ virtual TBool HandleStepL() = 0;
+ /**
+ * Handle the completion of the operation
+ */
+ virtual void HandleOperationCompleted( TInt aErr ) = 0;
+ };
+
+/**
+ * Active object to execute tasks in multiple steps.
+ * Each collection plugin has its own task queue, which serializes all
+ * operations for a plugin.
+ */
+NONSHARABLE_CLASS( CVcxMyVideosActiveTask ) : public CActive
+ {
+public:
+ /**
+ * Two-phased constructor
+ */
+ static CVcxMyVideosActiveTask* NewL( MVcxMyVideosActiveTaskObserver& aObserver );
+
+ /**
+ * Destructor
+ */
+ virtual ~CVcxMyVideosActiveTask();
+
+public: // Accessor functions
+
+ /**
+ * Start the async command task
+ * @param aTask task id
+ * @param aCommand command for the operation
+ */
+ void StartL( TMPXCommandId aTask, const CMPXCommand& aCommand );
+
+ /**
+ * Get the current step for the current task
+ * @return the current step
+ */
+ TInt GetStep();
+
+ /*
+ * Get the command for the current task
+ * @return the current task
+ */
+ TMPXCommandId GetTask();
+
+ /**
+ * Get the command for the current task
+ * @return the current command
+ */
+ CMPXCommand& GetCommand();
+
+
+protected: // From base class
+
+ /**
+ * From CActive
+ */
+ void RunL();
+
+ /**
+ * From CActive
+ */
+ void DoCancel();
+
+ /**
+ * From CActive
+ */
+ TInt RunError( TInt aError );
+
+private:
+
+ /**
+ * Default Constructor
+ */
+ CVcxMyVideosActiveTask(MVcxMyVideosActiveTaskObserver& aObserver);
+
+ /**
+ * 2nd-phase Constructor
+ */
+ void ConstructL();
+
+private: // data
+
+ CMPXCommand* iCurCommand; // Current Command
+ TMPXCommandId iCurTask; // The task command id
+ TInt iCurStep; // The n-th stop in the operation
+ MVcxMyVideosActiveTaskObserver& iObserver; // Observer
+ };
+
+#endif // VCXMYVIDEOSACTIVETASK_H