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 | |
33 | namespace WebCore { |
34 | |
35 | void UserActionElementSet::clear() |
36 | { |
37 | m_elements.clear(); |
38 | } |
39 | |
40 | bool 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 | |
48 | void 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 | |
65 | void 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 | |