aboutsummaryrefslogtreecommitdiff
path: root/src/bun.js/bindings/webcore/JSDOMGuardedObject.h
diff options
context:
space:
mode:
authorGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
committerGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
commit729d445b6885f69dd2c6355f38707bd42851c791 (patch)
treef87a7c408929ea3f57bbb7ace380cf869da83c0e /src/bun.js/bindings/webcore/JSDOMGuardedObject.h
parent25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff)
downloadbun-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.h72
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