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74 lines
1.3 KiB
C++
74 lines
1.3 KiB
C++
#pragma once
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#include <AK/AKString.h>
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#include <AK/Function.h>
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#include <AK/Types.h>
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#include <AK/WeakPtr.h>
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class CObject;
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class CEvent {
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public:
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enum Type {
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Invalid = 0,
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Quit,
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Timer,
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DeferredDestroy,
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DeferredInvoke,
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ChildAdded,
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ChildRemoved,
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};
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CEvent() {}
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explicit CEvent(unsigned type)
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: m_type(type)
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{
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}
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virtual ~CEvent() {}
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unsigned type() const { return m_type; }
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private:
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unsigned m_type { Type::Invalid };
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};
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class CDeferredInvocationEvent : public CEvent {
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friend class CEventLoop;
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public:
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CDeferredInvocationEvent(Function<void(CObject&)> invokee)
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: CEvent(CEvent::Type::DeferredInvoke)
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, m_invokee(move(invokee))
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{
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}
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private:
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Function<void(CObject&)> m_invokee;
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};
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class CTimerEvent final : public CEvent {
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public:
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explicit CTimerEvent(int timer_id)
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: CEvent(CEvent::Timer)
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, m_timer_id(timer_id)
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{
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}
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~CTimerEvent() {}
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int timer_id() const { return m_timer_id; }
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private:
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int m_timer_id;
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};
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class CChildEvent final : public CEvent {
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public:
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CChildEvent(Type, CObject& child);
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~CChildEvent();
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CObject* child() { return m_child.ptr(); }
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const CObject* child() const { return m_child.ptr(); }
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private:
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WeakPtr<CObject> m_child;
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};
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