UserActionElementSet.cpp   [plain text]

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
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#include "config.h"
#include "UserActionElementSet.h"

#include "Element.h"

namespace WebCore {

void UserActionElementSet::clear()
{
    m_elements.clear();
}

bool UserActionElementSet::hasFlag(const Element& element, Flag flag) const
{
    // Caller has the responsibility to check isUserActionElement before calling this.
    ASSERT(element.isUserActionElement());

    return m_elements.get(&const_cast<Element&>(element)).contains(flag);
}

void UserActionElementSet::clearFlags(Element& element, OptionSet<Flag> flags)
{
    ASSERT(!flags.isEmpty());

    if (!element.isUserActionElement())
        return;

    auto iterator = m_elements.find(&element);
    ASSERT(iterator != m_elements.end());
    auto updatedFlags = iterator->value - flags;
    if (updatedFlags.isEmpty()) {
        element.setUserActionElement(false);
        m_elements.remove(iterator);
    } else
        iterator->value = updatedFlags;
}

void UserActionElementSet::setFlags(Element& element, OptionSet<Flag> flags)
{
    ASSERT(!flags.isEmpty());

    m_elements.ensure(&element, [] {
        return OptionSet<Flag>();
    }).iterator->value.add(flags);

    element.setUserActionElement(true);
}

}