1/*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * * Neither the name of Google Inc. nor the names of its
12 * contributors may be used to endorse or promote products derived from
13 * this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "config.h"
29#include "UserActionElementSet.h"
30
31#include "Element.h"
32
33namespace WebCore {
34
35void UserActionElementSet::clear()
36{
37 m_elements.clear();
38}
39
40bool UserActionElementSet::hasFlag(const Element& element, Flag flag) const
41{
42 // Caller has the responsibility to check isUserActionElement before calling this.
43 ASSERT(element.isUserActionElement());
44
45 return m_elements.get(&const_cast<Element&>(element)).contains(flag);
46}
47
48void UserActionElementSet::clearFlags(Element& element, OptionSet<Flag> flags)
49{
50 ASSERT(!flags.isEmpty());
51
52 if (!element.isUserActionElement())
53 return;
54
55 auto iterator = m_elements.find(&element);
56 ASSERT(iterator != m_elements.end());
57 auto updatedFlags = iterator->value - flags;
58 if (updatedFlags.isEmpty()) {
59 element.setUserActionElement(false);
60 m_elements.remove(iterator);
61 } else
62 iterator->value = updatedFlags;
63}
64
65void UserActionElementSet::setFlags(Element& element, OptionSet<Flag> flags)
66{
67 ASSERT(!flags.isEmpty());
68
69 m_elements.ensure(&element, [] {
70 return OptionSet<Flag>();
71 }).iterator->value.add(flags);
72
73 element.setUserActionElement(true);
74}
75
76}
77