openshot-audio  0.1.2
juce_ChangeBroadcaster.h
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1 /*
2  ==============================================================================
3 
4  This file is part of the JUCE library.
5  Copyright (c) 2015 - ROLI Ltd.
6 
7  Permission is granted to use this software under the terms of either:
8  a) the GPL v2 (or any later version)
9  b) the Affero GPL v3
10 
11  Details of these licenses can be found at: www.gnu.org/licenses
12 
13  JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
14  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15  A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 
17  ------------------------------------------------------------------------------
18 
19  To release a closed-source product which uses JUCE, commercial licenses are
20  available: visit www.juce.com for more information.
21 
22  ==============================================================================
23 */
24 
25 #ifndef JUCE_CHANGEBROADCASTER_H_INCLUDED
26 #define JUCE_CHANGEBROADCASTER_H_INCLUDED
27 
28 
29 //==============================================================================
36 {
37 public:
38  //==============================================================================
41 
43  virtual ~ChangeBroadcaster();
44 
45  //==============================================================================
49  void addChangeListener (ChangeListener* listener);
50 
54  void removeChangeListener (ChangeListener* listener);
55 
57  void removeAllChangeListeners();
58 
59  //==============================================================================
66  void sendChangeMessage();
67 
75  void sendSynchronousChangeMessage();
76 
82  void dispatchPendingMessages();
83 
84 private:
85  //==============================================================================
86  class ChangeBroadcasterCallback : public AsyncUpdater
87  {
88  public:
89  ChangeBroadcasterCallback();
90  void handleAsyncUpdate() override;
91 
92  ChangeBroadcaster* owner;
93  };
94 
95  friend class ChangeBroadcasterCallback;
96  ChangeBroadcasterCallback callback;
97  ListenerList <ChangeListener> changeListeners;
98 
99  void callListeners();
100 
102 };
103 
104 
105 #endif // JUCE_CHANGEBROADCASTER_H_INCLUDED
Definition: juce_ChangeListener.h:44
#define noexcept
Definition: juce_CompilerSupport.h:141
Definition: juce_ChangeBroadcaster.h:35
#define JUCE_API
Definition: juce_StandardHeader.h:139
Definition: juce_AsyncUpdater.h:39
#define JUCE_DECLARE_NON_COPYABLE(className)
Definition: juce_PlatformDefs.h:191