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 * in the documentation and/or other materials provided with the
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#ifndef ActiveDOMCallback_h
#define ActiveDOMCallback_h

#include "core/dom/ContextLifecycleObserver.h"
#include "wtf/OwnPtr.h"

namespace WebCore {

class ExecutionContext;

// A base class that prevents binding callbacks from executing when
// active dom objects are stopped or suspended, and is used by the
// generated callback v8 bindings code to avoid erroneously CRASH()'ing
// after script execution on a worker has been scheduled to terminate.
//
// Should only be created, used, and destroyed on the script execution
// context thread.
class ActiveDOMCallback : public ContextLifecycleObserver {
public:
    explicit ActiveDOMCallback(ExecutionContext*);
    virtual ~ActiveDOMCallback();

    bool canInvokeCallback() const;
    bool isScriptControllerTerminating() const;
};

} // namespace WebCore

#endif // ActiveDOMCallback_h