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25 lines
545 B
C++
25 lines
545 B
C++
// Aseprite
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// Copyright (C) 2021 Igara Studio S.A.
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//
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// This program is distributed under the terms of
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// the End-User License Agreement for Aseprite.
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#ifndef APP_UI_TIMELINE_TIMELINE_OBSERVER_H_INCLUDED
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#define APP_UI_TIMELINE_TIMELINE_OBSERVER_H_INCLUDED
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#pragma once
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namespace app {
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class Timeline;
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class TimelineObserver {
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public:
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virtual ~TimelineObserver() { }
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// Called when the current timeline range is going to change.
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virtual void onBeforeRangeChanged(Timeline* timeline) { }
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};
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} // namespace app
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#endif
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