blob: e469811e9817d3f2daa7c3d39021488ef0fb89f2 [file] [log] [blame]
/*
* Copyright (C) 2006-2021 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "JSCanvasRenderingContext2D.h"
#include "JSNodeCustom.h"
namespace WebCore {
bool JSCanvasRenderingContext2DOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, JSC::AbstractSlotVisitor& visitor, const char** reason)
{
if (UNLIKELY(reason))
*reason = "Canvas is opaque root";
JSCanvasRenderingContext2D* jsCanvasRenderingContext = JSC::jsCast<JSCanvasRenderingContext2D*>(handle.slot()->asCell());
void* root = WebCore::root(jsCanvasRenderingContext->wrapped().canvas());
return visitor.containsOpaqueRoot(root);
}
template<typename Visitor>
void JSCanvasRenderingContext2D::visitAdditionalChildren(Visitor& visitor)
{
visitor.addOpaqueRoot(root(wrapped().canvas()));
}
DEFINE_VISIT_ADDITIONAL_CHILDREN(JSCanvasRenderingContext2D);
} // namespace WebCore