sky/engine/core/dom/custom/CustomElementLifecycleCallbacks.h

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#ifndef SKY_ENGINE_CORE_DOM_CUSTOM_CUSTOMELEMENTLIFECYCLECALLBACKS_H_
#define SKY_ENGINE_CORE_DOM_CUSTOM_CUSTOMELEMENTLIFECYCLECALLBACKS_H_

#include "sky/engine/wtf/RefCounted.h"
#include "sky/engine/wtf/text/AtomicString.h"

namespace blink {

class Element;

class CustomElementLifecycleCallbacks : public RefCounted<CustomElementLifecycleCallbacks> {
public:
    virtual ~CustomElementLifecycleCallbacks() { }

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

    bool hasCallback(CallbackType type) const { return m_which & 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;

protected:
    CustomElementLifecycleCallbacks(CallbackType which) : m_which(which) { }

private:
    CallbackType m_which;
};

}

#endif  // SKY_ENGINE_CORE_DOM_CUSTOM_CUSTOMELEMENTLIFECYCLECALLBACKS_H_