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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "modules/compositorworker/WindowAnimationWorklet.h" | 5 #include "modules/compositorworker/WindowAnimationWorklet.h" |
| 6 | 6 |
| 7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
| 8 #include "core/frame/LocalDOMWindow.h" | 8 #include "core/frame/LocalDOMWindow.h" |
| 9 #include "core/frame/LocalFrame.h" | 9 #include "core/frame/LocalFrame.h" |
| 10 #include "modules/compositorworker/AnimationWorklet.h" | 10 #include "modules/compositorworker/AnimationWorklet.h" |
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| 48 | 48 |
| 49 // Break the following cycle when the context gets detached. | 49 // Break the following cycle when the context gets detached. |
| 50 // Otherwise, the worklet object will leak. | 50 // Otherwise, the worklet object will leak. |
| 51 // | 51 // |
| 52 // window => window.animationWorklet | 52 // window => window.animationWorklet |
| 53 // => WindowAnimationWorklet | 53 // => WindowAnimationWorklet |
| 54 // => AnimationWorklet <--- break this reference | 54 // => AnimationWorklet <--- break this reference |
| 55 // => ThreadedWorkletMessagingProxy | 55 // => ThreadedWorkletMessagingProxy |
| 56 // => Document | 56 // => Document |
| 57 // => ... => window | 57 // => ... => window |
| 58 void WindowAnimationWorklet::contextDestroyed() { | 58 void WindowAnimationWorklet::contextDestroyed(ExecutionContext*) { |
| 59 m_animationWorklet = nullptr; | 59 m_animationWorklet = nullptr; |
| 60 } | 60 } |
| 61 | 61 |
| 62 DEFINE_TRACE(WindowAnimationWorklet) { | 62 DEFINE_TRACE(WindowAnimationWorklet) { |
| 63 visitor->trace(m_animationWorklet); | 63 visitor->trace(m_animationWorklet); |
| 64 Supplement<LocalDOMWindow>::trace(visitor); | 64 Supplement<LocalDOMWindow>::trace(visitor); |
| 65 ContextLifecycleObserver::trace(visitor); | 65 ContextLifecycleObserver::trace(visitor); |
| 66 } | 66 } |
| 67 | 67 |
| 68 } // namespace blink | 68 } // namespace blink |
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