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/*
* Copyright (C) 2016-2021 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 <WebCore/AbstractRange.h>
#include <WebCore/SimpleRange.h>
namespace JSC {
class AbstractSlotVisitor;
}
namespace WebCore {
template<typename> class ExceptionOr;
class StaticRange final : public AbstractRange, public SimpleRange {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(StaticRange);
public:
struct Init {
RefPtr<Node> startContainer;
unsigned startOffset { 0 };
RefPtr<Node> endContainer;
unsigned endOffset { 0 };
};
static ExceptionOr<Ref<StaticRange>> create(Init&&);
WEBCORE_EXPORT static Ref<StaticRange> create(const SimpleRange&);
static Ref<StaticRange> create(SimpleRange&&);
Node& startContainer() const final { return SimpleRange::startContainer(); }
unsigned startOffset() const final { return SimpleRange::startOffset(); }
Node& endContainer() const final { return SimpleRange::endContainer(); }
unsigned endOffset() const final { return SimpleRange::endOffset(); }
bool collapsed() const final { return SimpleRange::collapsed(); }
// https://dom.spec.whatwg.org/#staticrange-valid
bool computeValidity() const;
void visitNodesConcurrently(JSC::AbstractSlotVisitor&) const;
private:
StaticRange(SimpleRange&&);
bool isLiveRange() const final { return false; }
};
}
SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::StaticRange)
static bool isType(const WebCore::AbstractRange& range) { return !range.isLiveRange(); }
SPECIALIZE_TYPE_TRAITS_END()
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