Subject.h

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#pragma once

#include <Core/DocObjectObserver.h>
#include <Core/Property.h>
#include <Core/core_defines2.h>

#include <set>
namespace Core
{
class CORE_EXPORT Subject
{
public:
    Subject();

    void attach(Core::DocObjectObserver* aObserver);
    void detach(Core::DocObjectObserver* aObserver);
    void notify(Core::DocObject* aCaller, const Core::DocObjectObserverMsg& aReason);

    ~Subject() {}

private:
    std::set<Core::DocObjectObserver*> _observer;
};
}  // namespace Core