blob: 2737d2730527fdaea23acb38b7cf04438b6a1c32 [file] [log] [blame]
/*
* Copyright (C) 2020 Igalia S.L.
* Copyright (C) 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.
*/
#include "config.h"
#include "JSResizeObserver.h"
#include "Element.h"
#include "JSNodeCustom.h"
#include <JavaScriptCore/JSCInlines.h>
namespace WebCore {
template<typename Visitor>
void JSResizeObserver::visitAdditionalChildren(Visitor& visitor)
{
ResizeObserverCallback* callback = wrapped().callbackConcurrently();
if (callback)
callback->visitJSFunction(visitor);
}
DEFINE_VISIT_ADDITIONAL_CHILDREN(JSResizeObserver);
bool JSResizeObserverOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, JSC::AbstractSlotVisitor& visitor, const char**reason)
{
if (JSC::jsCast<JSResizeObserver*>(handle.slot()->asCell())->wrapped().isReachableFromOpaqueRoots(visitor)) {
if (UNLIKELY(reason))
*reason = "Reachable from observed nodes";
return true;
}
return false;
}
} // namespace WebCore