81 lines
3.7 KiB
C++
81 lines
3.7 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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* Copyright (C) 2013-2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <wtf/Forward.h>
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#include <wtf/HashMap.h>
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#include <wtf/OptionSet.h>
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#include <wtf/Ref.h>
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namespace WebCore {
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class Element;
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class UserActionElementSet {
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public:
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bool isActive(const Element& element) { return hasFlag(element, Flag::IsActive); }
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bool isFocused(const Element& element) { return hasFlag(element, Flag::IsFocused); }
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bool isHovered(const Element& element) { return hasFlag(element, Flag::IsHovered); }
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bool isInActiveChain(const Element& element) { return hasFlag(element, Flag::InActiveChain); }
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bool isBeingDragged(const Element& element) { return hasFlag(element, Flag::IsBeingDragged); }
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bool hasFocusVisible(const Element& element) { return hasFlag(element, Flag::HasFocusVisible); }
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bool hasFocusWithin(const Element& element) { return hasFlag(element, Flag::HasFocusWithin); }
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void setActive(Element& element, bool enable) { setFlags(element, enable, Flag::IsActive); }
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void setFocused(Element& element, bool enable) { setFlags(element, enable, Flag::IsFocused); }
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void setHovered(Element& element, bool enable) { setFlags(element, enable, Flag::IsHovered); }
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void setInActiveChain(Element& element, bool enable) { setFlags(element, enable, Flag::InActiveChain); }
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void setBeingDragged(Element& element, bool enable) { setFlags(element, enable, Flag::IsBeingDragged); }
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void setHasFocusVisible(Element& element, bool enable) { setFlags(element, enable, Flag::HasFocusVisible); }
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void setHasFocusWithin(Element& element, bool enable) { setFlags(element, enable, Flag::HasFocusWithin); }
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void clearActiveAndHovered(Element& element) { clearFlags(element, { Flag::IsActive, Flag::InActiveChain, Flag::IsHovered }); }
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void clear();
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private:
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enum class Flag {
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IsActive = 1 << 0,
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InActiveChain = 1 << 1,
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IsHovered = 1 << 2,
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IsFocused = 1 << 3,
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IsBeingDragged = 1 << 4,
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HasFocusVisible = 1 << 5,
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HasFocusWithin = 1 << 6,
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};
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void setFlags(Element& element, bool enable, OptionSet<Flag> flags) { enable ? setFlags(element, flags) : clearFlags(element, flags); }
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void setFlags(Element&, OptionSet<Flag>);
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void clearFlags(Element&, OptionSet<Flag>);
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bool hasFlag(const Element&, Flag) const;
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HashMap<RefPtr<Element>, OptionSet<Flag>> m_elements;
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};
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} // namespace WebCore
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