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// Copyright 2018 The Chromium Authors
// 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/layout_shift.h"
#include "third_party/blink/renderer/bindings/core/v8/idl_types.h"
#include "third_party/blink/renderer/bindings/core/v8/to_v8_traits.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_object_builder.h"
#include "third_party/blink/renderer/core/performance_entry_names.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
namespace blink {
// static
LayoutShift* LayoutShift::Create(double start_time,
double value,
bool input_detected,
double input_timestamp,
AttributionList sources,
DOMWindow* source) {
return MakeGarbageCollected<LayoutShift>(start_time, value, input_detected,
input_timestamp, sources, source);
}
LayoutShift::LayoutShift(double start_time,
double value,
bool input_detected,
double input_timestamp,
AttributionList sources,
DOMWindow* source)
: PerformanceEntry(g_empty_atom, start_time, start_time, source),
value_(value),
had_recent_input_(input_detected),
most_recent_input_timestamp_(input_timestamp),
sources_(sources) {}
LayoutShift::~LayoutShift() = default;
const AtomicString& LayoutShift::entryType() const {
return performance_entry_names::kLayoutShift;
}
PerformanceEntryType LayoutShift::EntryTypeEnum() const {
return PerformanceEntry::EntryType::kLayoutShift;
}
void LayoutShift::BuildJSONValue(V8ObjectBuilder& builder) const {
PerformanceEntry::BuildJSONValue(builder);
builder.AddNumber("value", value_);
builder.AddBoolean("hadRecentInput", had_recent_input_);
builder.AddNumber("lastInputTime", most_recent_input_timestamp_);
builder.AddV8Value("sources",
ToV8Traits<IDLArray<LayoutShiftAttribution>>::ToV8(
builder.GetScriptState(), sources_));
}
void LayoutShift::Trace(Visitor* visitor) const {
PerformanceEntry::Trace(visitor);
visitor->Trace(sources_);
}
} // namespace blink
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