third_party/WebKit/Source/core/dom/custom/V0CustomElementLifecycleCallbacks.h

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#ifndef V0CustomElementLifecycleCallbacks_h
#define V0CustomElementLifecycleCallbacks_h

#include "platform/heap/Handle.h"
#include "wtf/text/AtomicString.h"

namespace blink {

class Element;

class V0CustomElementLifecycleCallbacks : public GarbageCollectedFinalized<V0CustomElementLifecycleCallbacks> {
public:
    virtual ~V0CustomElementLifecycleCallbacks() { }

    enum CallbackType {
        None                     = 0,
        CreatedCallback          = 1 << 0,
        AttachedCallback         = 1 << 1,
        DetachedCallback         = 1 << 2,
        AttributeChangedCallback = 1 << 3
    };

    bool hasCallback(CallbackType type) const { return m_callbackType & type; }

    virtual void created(Element*) = 0;
    virtual void attached(Element*) = 0;
    virtual void detached(Element*) = 0;
    virtual void attributeChanged(Element*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) = 0;

    DEFINE_INLINE_VIRTUAL_TRACE() { }

protected:
    explicit V0CustomElementLifecycleCallbacks(CallbackType type) : m_callbackType(type) { }

private:
    CallbackType m_callbackType;
};

} // namespace blink

#endif // V0CustomElementLifecycleCallbacks_h