| // 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. |
| |
| #include "third_party/blink/renderer/core/timing/performance_element_timing.h" |
| |
| #include "third_party/blink/renderer/bindings/core/v8/v8_object_builder.h" |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/performance_entry_names.h" |
| |
| namespace blink { |
| |
| // static |
| PerformanceElementTiming* 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* element) { |
| // It is possible to 'paint' images which have naturalWidth or naturalHeight |
| // equal to 0. |
| DCHECK_GE(naturalWidth, 0); |
| DCHECK_GE(naturalHeight, 0); |
| DCHECK(element); |
| double start_time = render_time != 0.0 ? render_time : load_time; |
| return MakeGarbageCollected<PerformanceElementTiming>( |
| name, start_time, url, intersection_rect, render_time, load_time, |
| identifier, naturalWidth, naturalHeight, id, element); |
| } |
| |
| PerformanceElementTiming::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* element) |
| : PerformanceEntry(name, start_time, start_time), |
| element_(element), |
| intersection_rect_(DOMRectReadOnly::FromFloatRect(intersection_rect)), |
| render_time_(render_time), |
| load_time_(load_time), |
| identifier_(identifier), |
| naturalWidth_(naturalWidth), |
| naturalHeight_(naturalHeight), |
| id_(id), |
| url_(url) {} |
| |
| PerformanceElementTiming::~PerformanceElementTiming() = default; |
| |
| AtomicString PerformanceElementTiming::entryType() const { |
| return performance_entry_names::kElement; |
| } |
| |
| PerformanceEntryType PerformanceElementTiming::EntryTypeEnum() const { |
| return PerformanceEntry::EntryType::kElement; |
| } |
| |
| Element* PerformanceElementTiming::element() const { |
| if (!element_ || !element_->isConnected() || element_->IsInShadowTree()) |
| return nullptr; |
| |
| // Do not expose |element_| when the document is not 'fully active'. |
| const Document& document = element_->GetDocument(); |
| if (!document.IsActive() || !document.GetFrame()) |
| return nullptr; |
| |
| return element_; |
| } |
| |
| void PerformanceElementTiming::BuildJSONValue(V8ObjectBuilder& builder) const { |
| PerformanceEntry::BuildJSONValue(builder); |
| builder.Add("renderTime", render_time_); |
| builder.Add("loadTime", load_time_); |
| builder.Add("intersectionRect", intersection_rect_); |
| builder.Add("identifier", identifier_); |
| builder.Add("naturalWidth", naturalWidth_); |
| builder.Add("naturalHeight", naturalHeight_); |
| builder.Add("id", id_); |
| builder.Add("element", element()); |
| builder.Add("url", url_); |
| } |
| |
| void PerformanceElementTiming::Trace(blink::Visitor* visitor) { |
| visitor->Trace(element_); |
| visitor->Trace(intersection_rect_); |
| PerformanceEntry::Trace(visitor); |
| } |
| |
| } // namespace blink |