third_party/WebKit/Source/bindings/core/v8/ActiveScriptWrappable.cpp

// Copyright 2016 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 "bindings/core/v8/ActiveScriptWrappable.h"

#include "bindings/core/v8/ScriptWrappable.h"
#include "bindings/core/v8/ScriptWrappableVisitor.h"
#include "bindings/core/v8/V8PerIsolateData.h"

namespace blink {

ActiveScriptWrappable::ActiveScriptWrappable(ScriptWrappable* self)
    : m_scriptWrappable(self) {
  ASSERT(ThreadState::current());
  v8::Isolate* isolate = ThreadState::current()->isolate();
  V8PerIsolateData* isolateData = V8PerIsolateData::from(isolate);
  isolateData->addActiveScriptWrappable(this);
}

void ActiveScriptWrappable::traceActiveScriptWrappables(
    v8::Isolate* isolate,
    ScriptWrappableVisitor* visitor) {
  V8PerIsolateData* isolateData = V8PerIsolateData::from(isolate);
  auto activeScriptWrappables = isolateData->activeScriptWrappables();
  if (!activeScriptWrappables) {
    return;
  }

  for (auto activeWrappable : *activeScriptWrappables) {
    auto scriptWrappable = activeWrappable->toScriptWrappable();
    if (!scriptWrappable->hasPendingActivity()) {
      continue;
    }

    auto wrapperTypeInfo =
        const_cast<WrapperTypeInfo*>(scriptWrappable->wrapperTypeInfo());
    visitor->RegisterV8Reference(
        std::make_pair(wrapperTypeInfo, scriptWrappable));
  }
}

}  // namespace blink