--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/inc/cxestate.h Fri Apr 16 14:51:30 2010 +0300
@@ -0,0 +1,72 @@
+/*
+* Copyright (c) 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:
+*
+*/
+
+#ifndef CXESTATE_H
+#define CXESTATE_H
+
+#include <QString>
+
+/**
+* CxeState represents one unique state in a finite state machine.
+* @sa CxeStateMachine
+*/
+class CxeState
+{
+public:
+ /**
+ * Constructor.
+ *
+ * @param stateId Integer ID for this state. Note that this must be unique
+ * and a power of two. This is needed so we can combine
+ * state IDs using bitwise or.
+ * @param stateName Name for this state (used for debug prints)
+ * @param allowedNextStates Bitmask of allowed next states.
+ */
+ CxeState(int stateId, const char* stateName, int allowedNextStates);
+
+ virtual ~CxeState();
+
+ /**
+ * Get the state ID of the state.
+ * @return State ID
+ */
+ int stateId() const;
+
+ /**
+ * Get the allowed state transitions
+ * @return A bitmask of state IDs which are considered valid next states after this state.
+ */
+ int allowedNextStates() const;
+
+ /**
+ * Get the name of this state
+ * @return Name of this state.
+ */
+ QString name() const;
+
+private:
+ //! State name (for debug prints)
+ QString mName;
+
+ //! ID of this state
+ int mId;
+
+ //! Bitmask of allowed states
+ int mAllowedNextStates;
+};
+
+#endif // CXESTATE_H