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2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
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5  * distributed with this work for additional information
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8  * "License"); you may not use this file except in compliance
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21 
22 
23 
24 #ifndef _CHART2_CHANGINGRESOURCE_HXX
25 #define _CHART2_CHANGINGRESOURCE_HXX
26 
27 //.............................................................................
28 namespace chart
29 {
30 //.............................................................................
31 
32 //-----------------------------------------------------------------------------
33 /**
34 */
35 
36 class ChangingResource;
37 class ResourceChangeListener
38 {
39 public:
40     virtual void stateChanged( ChangingResource* pResource ) = 0;
41     virtual ~ResourceChangeListener();
42 };
43 
44 class ChangingResource
45 {
46 public:
47     ChangingResource();
48     virtual ~ChangingResource();
49 
50     virtual void setChangeListener( ResourceChangeListener* pListener );
51 
52 protected:
53     ResourceChangeListener* m_pChangeListener;
54 };
55 
56 //.............................................................................
57 } //namespace chart
58 //.............................................................................
59 #endif
60