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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "bindings/core/v8/ToV8ForCore.h" |
| 6 |
| 7 #include "bindings/core/v8/WindowProxy.h" |
| 8 #include "core/events/EventTarget.h" |
| 9 #include "core/frame/DOMWindow.h" |
| 10 #include "core/frame/Frame.h" |
| 11 |
| 12 namespace blink { |
| 13 |
| 14 v8::Local<v8::Value> ToV8(DOMWindow* window, |
| 15 v8::Local<v8::Object> creation_context, |
| 16 v8::Isolate* isolate) { |
| 17 // Notice that we explicitly ignore creationContext because the DOMWindow |
| 18 // has its own creationContext. |
| 19 |
| 20 if (UNLIKELY(!window)) |
| 21 return v8::Null(isolate); |
| 22 |
| 23 // TODO(yukishiino): Get understanding of why it's possible to initialize |
| 24 // the context after the frame is detached. And then, remove the following |
| 25 // lines. See also https://crbug.com/712638 . |
| 26 Frame* frame = window->GetFrame(); |
| 27 if (!frame) |
| 28 return v8::Local<v8::Object>(); |
| 29 |
| 30 // TODO(yukishiino): Make this function always return the non-empty handle |
| 31 // even if the frame is detached because the global proxy must always exist |
| 32 // per spec. |
| 33 return frame->GetWindowProxy(DOMWrapperWorld::Current(isolate)) |
| 34 ->GlobalProxyIfNotDetached(); |
| 35 } |
| 36 |
| 37 v8::Local<v8::Value> ToV8(EventTarget* impl, |
| 38 v8::Local<v8::Object> creation_context, |
| 39 v8::Isolate* isolate) { |
| 40 if (UNLIKELY(!impl)) |
| 41 return v8::Null(isolate); |
| 42 |
| 43 if (impl->InterfaceName() == EventTargetNames::DOMWindow) |
| 44 return ToV8(static_cast<DOMWindow*>(impl), creation_context, isolate); |
| 45 return ToV8(static_cast<ScriptWrappable*>(impl), creation_context, isolate); |
| 46 } |
| 47 |
| 48 } // namespace blink |
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