Move parseFontFaceDescriptor to CSSPropertyParser.cpp
[chromium-blink-merge.git] / third_party / WebKit / Source / core / dom / UserActionElementSet.h
blobfaa075a9c26b57c751b090627b4360c9ec6115d1
1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Neither the name of Google Inc. nor the names of its
11 * contributors may be used to endorse or promote products derived from
12 * this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #ifndef UserActionElementSet_h
28 #define UserActionElementSet_h
30 #include "platform/heap/Handle.h"
31 #include "wtf/HashMap.h"
32 #include "wtf/PassOwnPtr.h"
33 #include "wtf/RefPtr.h"
35 namespace blink {
37 class Node;
38 class Element;
40 class UserActionElementSet final {
41 DISALLOW_ALLOCATION();
42 public:
43 bool isFocused(const Node* node) { return hasFlags(node, IsFocusedFlag); }
44 bool isActive(const Node* node) { return hasFlags(node, IsActiveFlag); }
45 bool isInActiveChain(const Node* node) { return hasFlags(node, InActiveChainFlag); }
46 bool isHovered(const Node* node) { return hasFlags(node, IsHoveredFlag); }
47 void setFocused(Node* node, bool enable) { setFlags(node, enable, IsFocusedFlag); }
48 void setActive(Node* node, bool enable) { setFlags(node, enable, IsActiveFlag); }
49 void setInActiveChain(Node* node, bool enable) { setFlags(node, enable, InActiveChainFlag); }
50 void setHovered(Node* node, bool enable) { setFlags(node, enable, IsHoveredFlag); }
52 UserActionElementSet();
53 ~UserActionElementSet();
55 void didDetach(Element&);
57 #if !ENABLE(OILPAN)
58 void documentDidRemoveLastRef();
59 #endif
61 DECLARE_TRACE();
63 private:
64 enum ElementFlags {
65 IsActiveFlag = 1 ,
66 InActiveChainFlag = 1 << 1,
67 IsHoveredFlag = 1 << 2,
68 IsFocusedFlag = 1 << 3
71 void setFlags(Node* node, bool enable, unsigned flags) { enable ? setFlags(node, flags) : clearFlags(node, flags); }
72 void setFlags(Node*, unsigned);
73 void clearFlags(Node*, unsigned);
74 bool hasFlags(const Node*, unsigned flags) const;
76 void setFlags(Element*, unsigned);
77 void clearFlags(Element*, unsigned);
78 bool hasFlags(const Element*, unsigned flags) const;
80 typedef WillBeHeapHashMap<RefPtrWillBeMember<Element>, unsigned> ElementFlagMap;
81 ElementFlagMap m_elements;
84 } // namespace
86 #endif // UserActionElementSet_h