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1 /* | 1 /* |
2 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2008 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef VisiblePosition_h | 26 #ifndef VisiblePosition_h |
27 #define VisiblePosition_h | 27 #define VisiblePosition_h |
28 | 28 |
29 #include "core/dom/Position.h" | 29 #include "core/dom/Position.h" |
30 #include "core/editing/EditingBoundary.h" | 30 #include "core/editing/EditingBoundary.h" |
| 31 #include "platform/heap/Handle.h" |
31 #include "platform/text/TextDirection.h" | 32 #include "platform/text/TextDirection.h" |
32 | 33 |
33 namespace WebCore { | 34 namespace WebCore { |
34 | 35 |
35 // VisiblePosition default affinity is downstream because | 36 // VisiblePosition default affinity is downstream because |
36 // the callers do not really care (they just want the | 37 // the callers do not really care (they just want the |
37 // deep position without regard to line position), and this | 38 // deep position without regard to line position), and this |
38 // is cheaper than UPSTREAM | 39 // is cheaper than UPSTREAM |
39 #define VP_DEFAULT_AFFINITY DOWNSTREAM | 40 #define VP_DEFAULT_AFFINITY DOWNSTREAM |
40 | 41 |
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119 inline bool operator==(const VisiblePosition& a, const VisiblePosition& b) | 120 inline bool operator==(const VisiblePosition& a, const VisiblePosition& b) |
120 { | 121 { |
121 return a.deepEquivalent() == b.deepEquivalent(); | 122 return a.deepEquivalent() == b.deepEquivalent(); |
122 } | 123 } |
123 | 124 |
124 inline bool operator!=(const VisiblePosition& a, const VisiblePosition& b) | 125 inline bool operator!=(const VisiblePosition& a, const VisiblePosition& b) |
125 { | 126 { |
126 return !(a == b); | 127 return !(a == b); |
127 } | 128 } |
128 | 129 |
129 PassRefPtr<Range> makeRange(const VisiblePosition&, const VisiblePosition&); | 130 PassRefPtrWillBeRawPtr<Range> makeRange(const VisiblePosition&, const VisiblePos
ition&); |
130 bool setStart(Range*, const VisiblePosition&); | 131 bool setStart(Range*, const VisiblePosition&); |
131 bool setEnd(Range*, const VisiblePosition&); | 132 bool setEnd(Range*, const VisiblePosition&); |
132 VisiblePosition startVisiblePosition(const Range*, EAffinity); | 133 VisiblePosition startVisiblePosition(const Range*, EAffinity); |
133 | 134 |
134 Element* enclosingBlockFlowElement(const VisiblePosition&); | 135 Element* enclosingBlockFlowElement(const VisiblePosition&); |
135 | 136 |
136 bool isFirstVisiblePositionInNode(const VisiblePosition&, const Node*); | 137 bool isFirstVisiblePositionInNode(const VisiblePosition&, const Node*); |
137 bool isLastVisiblePositionInNode(const VisiblePosition&, const Node*); | 138 bool isLastVisiblePositionInNode(const VisiblePosition&, const Node*); |
138 | 139 |
139 } // namespace WebCore | 140 } // namespace WebCore |
140 | 141 |
141 #ifndef NDEBUG | 142 #ifndef NDEBUG |
142 // Outside the WebCore namespace for ease of invocation from gdb. | 143 // Outside the WebCore namespace for ease of invocation from gdb. |
143 void showTree(const WebCore::VisiblePosition*); | 144 void showTree(const WebCore::VisiblePosition*); |
144 void showTree(const WebCore::VisiblePosition&); | 145 void showTree(const WebCore::VisiblePosition&); |
145 #endif | 146 #endif |
146 | 147 |
147 #endif // VisiblePosition_h | 148 #endif // VisiblePosition_h |
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