CustusX  16.5
An IGT application
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cxMessageListener.h
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
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19  without specific prior written permission.
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
32 #ifndef CXMESSAGELISTENER_H
33 #define CXMESSAGELISTENER_H
34 
35 #include "cxResourceExport.h"
36 #include "cxReporter.h"
37 
38 #include <vector>
39 #include <QPointer>
40 
41 #include "cxEnumConverter.h"
42 
43 namespace cx
44 {
45 
46 typedef boost::shared_ptr<class MessageFilter> MessageFilterPtr;
47 typedef boost::shared_ptr<class MessageObserver> MessageObserverPtr;
48 typedef boost::shared_ptr<class MessageListener> MessageListenerPtr;
49 typedef boost::shared_ptr<class Log> LogPtr;
50 
61 class cxResource_EXPORT MessageListener : public QObject
62 {
63  Q_OBJECT
64 public:
65  static MessageListenerPtr create(LogPtr log=LogPtr());
66  static MessageListenerPtr createWithQueue(LogPtr log=LogPtr(), int size=1000);
67  MessageListenerPtr clone();
68  ~MessageListener();
69  bool containsErrors() const;
70  bool containsText(const QString text) const;
71  QList<Message> getMessages() const;
72 
73  void restart(); // emit all messages in queue, then continue emitting new incoming messages
74 
75  void installFilter(MessageFilterPtr);
76  void setMessageQueueMaxSize(int count);
77  int getMessageQueueMaxSize() const; // <0 means infinite
78 
79 signals:
80  void newMessage(Message message);
81  void newChannel(QString channel);
82 
83 private slots:
84  void messageReceived(Message message);
85 private:
87  bool isError(MESSAGE_LEVEL level) const;
88  void limitQueueSize();
89  QList<Message> mMessages;
90  LogPtr mManager;
91  int mMessageHistoryMaxSize;
92 
93  MessageObserverPtr mObserver;
94 };
95 
96 
97 } // namespace cx
98 
99 
100 #endif // CXMESSAGELISTENER_H
boost::shared_ptr< class MessageFilter > MessageFilterPtr
boost::shared_ptr< class Log > LogPtr
Definition: cxLog.h:68
boost::shared_ptr< class MessageObserver > MessageObserverPtr
Definition: cxLog.h:65
boost::shared_ptr< class MessageListener > MessageListenerPtr
Definition: cxLog.h:66