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| 1 // Copyright 2016 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 "modules/worklet/DOMWindowWorklet.h" |
| 6 |
| 7 #include "core/frame/LocalDOMWindow.h" |
| 8 #include "core/frame/LocalFrame.h" |
| 9 #include "modules/worklet/Worklet.h" |
| 10 |
| 11 namespace blink { |
| 12 |
| 13 DOMWindowWorklet::DOMWindowWorklet(LocalDOMWindow& window) |
| 14 : DOMWindowProperty(window.frame()) |
| 15 { |
| 16 } |
| 17 |
| 18 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowWorklet); |
| 19 |
| 20 const char* DOMWindowWorklet::supplementName() |
| 21 { |
| 22 return "DOMWindowWorklet"; |
| 23 } |
| 24 |
| 25 // static |
| 26 DOMWindowWorklet& DOMWindowWorklet::from(LocalDOMWindow& window) |
| 27 { |
| 28 DOMWindowWorklet* supplement = static_cast<DOMWindowWorklet*>(WillBeHeapSupp
lement<LocalDOMWindow>::from(window, supplementName())); |
| 29 if (!supplement) { |
| 30 supplement = new DOMWindowWorklet(window); |
| 31 provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement)); |
| 32 } |
| 33 return *supplement; |
| 34 } |
| 35 |
| 36 // static |
| 37 Worklet* DOMWindowWorklet::renderWorklet(ExecutionContext* executionContext, DOM
Window& window) |
| 38 { |
| 39 return from(toLocalDOMWindow(window)).renderWorklet(executionContext); |
| 40 } |
| 41 |
| 42 Worklet* DOMWindowWorklet::renderWorklet(ExecutionContext* executionContext) con
st |
| 43 { |
| 44 if (!m_renderWorklet && frame()) |
| 45 m_renderWorklet = Worklet::create(executionContext); |
| 46 return m_renderWorklet.get(); |
| 47 } |
| 48 |
| 49 DEFINE_TRACE(DOMWindowWorklet) |
| 50 { |
| 51 visitor->trace(m_renderWorklet); |
| 52 WillBeHeapSupplement<LocalDOMWindow>::trace(visitor); |
| 53 DOMWindowProperty::trace(visitor); |
| 54 } |
| 55 |
| 56 } // namespace blink |
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