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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.
#include "third_party/blink/renderer/core/timing/performance_mark.h"
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value.h"
#include "third_party/blink/renderer/bindings/core/v8/serialization/serialized_script_value_factory.h"
namespace blink {
PerformanceMark::PerformanceMark(ScriptState* script_state,
const String& name,
double start_time,
const ScriptValue& detail)
: PerformanceEntry(name, start_time, start_time) {
world_ = WrapRefCounted(&script_state->World());
if (detail.IsEmpty() || detail.IsNull() || detail.IsUndefined()) {
return;
}
detail_.Set(detail.GetIsolate(), detail.V8Value());
}
AtomicString PerformanceMark::entryType() const {
return PerformanceEntry::MarkKeyword();
}
PerformanceEntryType PerformanceMark::EntryTypeEnum() const {
return PerformanceEntry::EntryType::kMark;
}
ScriptValue PerformanceMark::detail(ScriptState* script_state) const {
v8::Isolate* isolate = script_state->GetIsolate();
if (detail_.IsEmpty()) {
return ScriptValue(script_state, v8::Null(isolate));
}
// Return a serialized clone when the world is different.
if (!world_ || world_->GetWorldId() != script_state->World().GetWorldId()) {
v8::Local<v8::Value> value = detail_.NewLocal(isolate);
scoped_refptr<SerializedScriptValue> serialized =
SerializedScriptValue::SerializeAndSwallowExceptions(isolate, value);
return ScriptValue(script_state, serialized->Deserialize(isolate));
}
return ScriptValue(script_state, detail_.NewLocal(isolate));
}
void PerformanceMark::Trace(blink::Visitor* visitor) {
visitor->Trace(detail_);
PerformanceEntry::Trace(visitor);
}
} // namespace blink
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