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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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#ifndef SKY_ENGINE_CORE_EVENTS_RESOURCEPROGRESSEVENT_H_
#define SKY_ENGINE_CORE_EVENTS_RESOURCEPROGRESSEVENT_H_

#include "sky/engine/core/events/ProgressEvent.h"

namespace blink {

// ResourceProgressEvent is a non-standard class that is simply a ProgressEvent
// with an additional read-only "url" property containing a string URL. This is
// used by the Chromium NaCl integration to indicate to which resource the
// event applies. This is useful because the NaCl integration will download
// (and translate in the case of PNaCl) multiple binary files. It is not
// constructable by web content at all, and so does not provide the usual
// EventInit pattern for Event construction.
class ResourceProgressEvent final : public ProgressEvent {
    DEFINE_WRAPPERTYPEINFO();
public:
    static PassRefPtr<ResourceProgressEvent> create()
    {
        return adoptRef(new ResourceProgressEvent);
    }
    static PassRefPtr<ResourceProgressEvent> create(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total, const String& url)
    {
        return adoptRef(new ResourceProgressEvent(type, lengthComputable, loaded, total, url));
    }

    const String& url() const;

    virtual const AtomicString& interfaceName() const override;

protected:
    ResourceProgressEvent();
    ResourceProgressEvent(const AtomicString& type, bool lengthComputable, unsigned long long loaded, unsigned long long total, const String& url);

private:
    String m_url;
};

} // namespace blink

#endif  // SKY_ENGINE_CORE_EVENTS_RESOURCEPROGRESSEVENT_H_