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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_DOM_FOCUSGROUP_FLAGS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_FOCUSGROUP_FLAGS_H_
#include "base/types/cxx23_to_underlying.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
namespace blink {
class Element;
namespace focusgroup {
enum FocusgroupFlags : uint8_t {
kNone = 0,
kExtend = 1 << 0,
kInline = 1 << 1,
kBlock = 1 << 2,
kGrid = 1 << 3,
kWrapInline = 1 << 4,
kWrapBlock = 1 << 5,
kRowFlow = 1 << 6,
kColFlow = 1 << 7,
};
inline constexpr FocusgroupFlags operator&(FocusgroupFlags a,
FocusgroupFlags b) {
return static_cast<FocusgroupFlags>(base::to_underlying(a) &
base::to_underlying(b));
}
inline constexpr FocusgroupFlags operator|(FocusgroupFlags a,
FocusgroupFlags b) {
return static_cast<FocusgroupFlags>(base::to_underlying(a) |
base::to_underlying(b));
}
inline FocusgroupFlags& operator|=(FocusgroupFlags& a, FocusgroupFlags b) {
return a = a | b;
}
inline FocusgroupFlags& operator&=(FocusgroupFlags& a, FocusgroupFlags b) {
return a = a & b;
}
inline constexpr FocusgroupFlags operator~(FocusgroupFlags flags) {
return static_cast<FocusgroupFlags>(~base::to_underlying(flags));
}
FocusgroupFlags FindNearestFocusgroupAncestorFlags(const Element* element);
// Implemented based on this explainer:
// https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/Focusgroup/explainer.md
FocusgroupFlags ParseFocusgroup(const Element* element,
const AtomicString& input);
} // namespace focusgroup
// The "::blink" prefix is to avoid false-positive of audit_non_blink_usages.py.
using FocusgroupFlags = ::blink::focusgroup::FocusgroupFlags;
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_FOCUSGROUP_FLAGS_H_
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