| // 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 "modules/worklet/DOMWindowWorklet.h" |
| |
| #include "core/frame/LocalDOMWindow.h" |
| #include "core/frame/LocalFrame.h" |
| #include "modules/worklet/Worklet.h" |
| |
| namespace blink { |
| |
| DOMWindowWorklet::DOMWindowWorklet(LocalDOMWindow& window) |
| : DOMWindowProperty(window.frame()) |
| { |
| } |
| |
| DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowWorklet); |
| |
| const char* DOMWindowWorklet::supplementName() |
| { |
| return "DOMWindowWorklet"; |
| } |
| |
| // static |
| DOMWindowWorklet& DOMWindowWorklet::from(LocalDOMWindow& window) |
| { |
| DOMWindowWorklet* supplement = static_cast<DOMWindowWorklet*>(WillBeHeapSupplement<LocalDOMWindow>::from(window, supplementName())); |
| if (!supplement) { |
| supplement = new DOMWindowWorklet(window); |
| provideTo(window, supplementName(), adoptPtrWillBeNoop(supplement)); |
| } |
| return *supplement; |
| } |
| |
| // static |
| Worklet* DOMWindowWorklet::renderWorklet(ExecutionContext* executionContext, DOMWindow& window) |
| { |
| return from(toLocalDOMWindow(window)).renderWorklet(executionContext); |
| } |
| |
| Worklet* DOMWindowWorklet::renderWorklet(ExecutionContext* executionContext) const |
| { |
| if (!m_renderWorklet && frame()) |
| m_renderWorklet = Worklet::create(frame(), executionContext); |
| return m_renderWorklet.get(); |
| } |
| |
| DEFINE_TRACE(DOMWindowWorklet) |
| { |
| visitor->trace(m_renderWorklet); |
| WillBeHeapSupplement<LocalDOMWindow>::trace(visitor); |
| DOMWindowProperty::trace(visitor); |
| } |
| |
| } // namespace blink |