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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_PERFORMANCE_ELEMENT_TIMING_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_PERFORMANCE_ELEMENT_TIMING_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/dom_high_res_time_stamp.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/geometry/dom_rect_read_only.h"
#include "third_party/blink/renderer/core/timing/performance_entry.h"
namespace blink {
// The PerformanceElementTiming object exposes the time in which an element is
// first rendered on the screen and its intersection with the viewport at the
// time it is painted. Currently this is only done for <img> elements but other
// element types should be supported in the future.
class CORE_EXPORT PerformanceElementTiming final : public PerformanceEntry {
DEFINE_WRAPPERTYPEINFO();
public:
static PerformanceElementTiming* Create(const AtomicString& name,
const String& url,
const FloatRect& intersection_rect,
DOMHighResTimeStamp render_time,
DOMHighResTimeStamp load_time,
const AtomicString& identifier,
int naturalWidth,
int naturalHeight,
const AtomicString& id,
Element*);
PerformanceElementTiming(const AtomicString& name,
DOMHighResTimeStamp start_time,
const String& url,
const FloatRect& intersection_rect,
DOMHighResTimeStamp render_time,
DOMHighResTimeStamp load_time,
const AtomicString& identifier,
int naturalWidth,
int naturalHeight,
const AtomicString& id,
Element*);
~PerformanceElementTiming() override;
AtomicString entryType() const override;
PerformanceEntryType EntryTypeEnum() const override;
DOMRectReadOnly* intersectionRect() const { return intersection_rect_; }
DOMHighResTimeStamp renderTime() const { return render_time_; }
DOMHighResTimeStamp loadTime() const { return load_time_; }
AtomicString identifier() const { return identifier_; }
unsigned naturalWidth() const { return naturalWidth_; }
unsigned naturalHeight() const { return naturalHeight_; }
AtomicString id() const { return id_; }
String url() const { return url_; }
Element* element() const;
void Trace(Visitor*) override;
private:
void BuildJSONValue(V8ObjectBuilder&) const override;
WeakMember<Element> element_;
Member<DOMRectReadOnly> intersection_rect_;
DOMHighResTimeStamp render_time_;
DOMHighResTimeStamp load_time_;
AtomicString identifier_;
unsigned naturalWidth_;
unsigned naturalHeight_;
AtomicString id_;
String url_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_TIMING_PERFORMANCE_ELEMENT_TIMING_H_
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