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author | 2022-06-22 23:21:48 -0700 | |
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committer | 2022-06-22 23:21:48 -0700 | |
commit | 729d445b6885f69dd2c6355f38707bd42851c791 (patch) | |
tree | f87a7c408929ea3f57bbb7ace380cf869da83c0e /src/bun.js/bindings/webcore/JSDOMGuardedObject.h | |
parent | 25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff) | |
download | bun-jarred/rename.tar.gz bun-jarred/rename.tar.zst bun-jarred/rename.zip |
change the directory structurejarred/rename
Diffstat (limited to 'src/bun.js/bindings/webcore/JSDOMGuardedObject.h')
-rw-r--r-- | src/bun.js/bindings/webcore/JSDOMGuardedObject.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/bun.js/bindings/webcore/JSDOMGuardedObject.h b/src/bun.js/bindings/webcore/JSDOMGuardedObject.h new file mode 100644 index 000000000..cf0887c32 --- /dev/null +++ b/src/bun.js/bindings/webcore/JSDOMGuardedObject.h @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2017-2021 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include "ActiveDOMCallback.h" +#include "JSDOMGlobalObject.h" +#include <JavaScriptCore/HeapInlines.h> +#include <JavaScriptCore/JSCell.h> +#include <JavaScriptCore/SlotVisitorInlines.h> +#include <JavaScriptCore/StrongInlines.h> + +namespace WebCore { + +class WEBCORE_EXPORT DOMGuardedObject : public RefCounted<DOMGuardedObject>, public ActiveDOMCallback { +public: + ~DOMGuardedObject(); + + bool isSuspended() const { return !m_guarded || !canInvokeCallback(); } // The wrapper world has gone away or active DOM objects have been suspended. + + template<typename Visitor> void visitAggregate(Visitor& visitor) { visitor.append(m_guarded); } + + JSC::JSValue guardedObject() const { return m_guarded.get(); } + JSDOMGlobalObject* globalObject() const { return m_globalObject.get(); } + + void clear(); + +protected: + DOMGuardedObject(JSDOMGlobalObject&, JSC::JSCell&); + + void contextDestroyed(); + bool isEmpty() const { return !m_guarded; } + + JSC::Weak<JSC::JSCell> m_guarded; + JSC::Weak<JSDOMGlobalObject> m_globalObject; + +private: + void removeFromGlobalObject(); +}; + +template<typename T> class DOMGuarded : public DOMGuardedObject { +protected: + DOMGuarded(JSDOMGlobalObject& globalObject, T& guarded) + : DOMGuardedObject(globalObject, guarded) + { + } + T* guarded() const { return JSC::jsDynamicCast<T*>(guardedObject()); } +}; + +} // namespace WebCore |