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juce_AsyncUpdater.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
26//==============================================================================
38 class JUCE_API AsyncUpdater
39{
40 public:
41 //==============================================================================
43 AsyncUpdater();
44
48 virtual ~AsyncUpdater();
49
50 //==============================================================================
65 void triggerAsyncUpdate();
66
76 void cancelPendingUpdate() noexcept;
77
88 void handleUpdateNowIfNeeded();
89
91 bool isUpdatePending() const noexcept;
92
93 //==============================================================================
99 virtual void handleAsyncUpdate() = 0;
100
101 private:
102 //==============================================================================
103 class AsyncUpdaterMessage;
104 friend class ReferenceCountedObjectPtr<AsyncUpdaterMessage>;
105 ReferenceCountedObjectPtr<AsyncUpdaterMessage> activeMessage;
106
107 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AsyncUpdater)
108};
109
110} // namespace juce
juce::AsyncUpdater
Definition: juce_AsyncUpdater.h:39
juce::AsyncUpdater::handleAsyncUpdate
virtual void handleAsyncUpdate()=0
juce::ReferenceCountedObjectPtr
Definition: juce_ReferenceCountedObject.h:247