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// Copyright 2017 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/bindings/core/v8/to_v8_for_core.h"
#include "third_party/blink/renderer/bindings/core/v8/window_proxy.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/frame/dom_window.h"
#include "third_party/blink/renderer/core/frame/frame.h"
#include "third_party/blink/renderer/platform/bindings/runtime_call_stats.h"
namespace blink {
v8::Local<v8::Value> ToV8(DOMWindow* window,
v8::Local<v8::Object> creation_context,
v8::Isolate* isolate) {
RUNTIME_CALL_TIMER_SCOPE(isolate,
RuntimeCallStats::CounterId::kToV8DOMWindow);
// Notice that we explicitly ignore creationContext because the DOMWindow
// has its own creationContext.
if (UNLIKELY(!window))
return v8::Null(isolate);
// TODO(yukishiino): Get understanding of why it's possible to initialize
// the context after the frame is detached. And then, remove the following
// lines. See also https://crbug.com/712638 .
Frame* frame = window->GetFrame();
if (!frame)
return v8::Local<v8::Object>();
// TODO(yukishiino): Make this function always return the non-empty handle
// even if the frame is detached because the global proxy must always exist
// per spec.
return frame->GetWindowProxy(DOMWrapperWorld::Current(isolate))
->GlobalProxyIfNotDetached();
}
v8::Local<v8::Value> ToV8(EventTarget* impl,
v8::Local<v8::Object> creation_context,
v8::Isolate* isolate) {
if (UNLIKELY(!impl))
return v8::Null(isolate);
if (impl->InterfaceName() == event_target_names::kWindow)
return ToV8(static_cast<DOMWindow*>(impl), creation_context, isolate);
return ToV8(static_cast<ScriptWrappable*>(impl), creation_context, isolate);
}
} // namespace blink
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