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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/CoreExport.h" | 29 #include "core/CoreExport.h" |
30 #include "core/editing/EditingBoundary.h" | 30 #include "core/editing/EditingBoundary.h" |
31 #include "core/editing/EphemeralRange.h" | |
32 #include "core/editing/PositionWithAffinity.h" | 31 #include "core/editing/PositionWithAffinity.h" |
33 #include "core/editing/TextAffinity.h" | 32 #include "core/editing/TextAffinity.h" |
34 #include "platform/heap/Handle.h" | 33 #include "platform/heap/Handle.h" |
35 #include "platform/text/TextDirection.h" | 34 #include "platform/text/TextDirection.h" |
36 | 35 |
37 namespace blink { | 36 namespace blink { |
38 | 37 |
39 // VisiblePosition default affinity is downstream because | 38 // VisiblePosition default affinity is downstream because |
40 // the callers do not really care (they just want the | 39 // the callers do not really care (they just want the |
41 // deep position without regard to line position), and this | 40 // deep position without regard to line position), and this |
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121 // Bounds of (possibly transformed) caret in absolute coords | 120 // Bounds of (possibly transformed) caret in absolute coords |
122 CORE_EXPORT IntRect absoluteCaretBoundsOf(const VisiblePosition&); | 121 CORE_EXPORT IntRect absoluteCaretBoundsOf(const VisiblePosition&); |
123 | 122 |
124 // Abs x/y position of the caret ignoring transforms. | 123 // Abs x/y position of the caret ignoring transforms. |
125 // TODO(yosin) navigation with transforms should be smarter. | 124 // TODO(yosin) navigation with transforms should be smarter. |
126 // TODO(yosin) We should move a glboal funciton | 125 // TODO(yosin) We should move a glboal funciton |
127 // |lineDirectionPointForBlockDirectionNavigationOf()| to "FrameSelection.h" | 126 // |lineDirectionPointForBlockDirectionNavigationOf()| to "FrameSelection.h" |
128 // as static function. | 127 // as static function. |
129 int lineDirectionPointForBlockDirectionNavigationOf(const VisiblePosition&); | 128 int lineDirectionPointForBlockDirectionNavigationOf(const VisiblePosition&); |
130 | 129 |
131 EphemeralRange makeRange(const VisiblePosition&, const VisiblePosition&); | |
132 | |
133 // TODO(yosin) We should move |leftPositionOf()| and |rightPositionOf()| to | 130 // TODO(yosin) We should move |leftPositionOf()| and |rightPositionOf()| to |
134 // "VisibleUnits.cpp". | 131 // "VisibleUnits.cpp". |
135 VisiblePosition leftPositionOf(const VisiblePosition&); | 132 VisiblePosition leftPositionOf(const VisiblePosition&); |
136 VisiblePosition rightPositionOf(const VisiblePosition&); | 133 VisiblePosition rightPositionOf(const VisiblePosition&); |
137 | 134 |
138 CORE_EXPORT Position canonicalPositionOf(const Position&); | 135 CORE_EXPORT Position canonicalPositionOf(const Position&); |
139 CORE_EXPORT PositionInComposedTree canonicalPositionOf(const PositionInComposedT
ree&); | 136 CORE_EXPORT PositionInComposedTree canonicalPositionOf(const PositionInComposedT
ree&); |
140 // TODO(yosin) We should move |characterAfter()| and |characterBefore()| to | 137 // TODO(yosin) We should move |characterAfter()| and |characterBefore()| to |
141 // "VisibleUnits.cpp" | 138 // "VisibleUnits.cpp" |
142 UChar32 characterAfter(const VisiblePosition&); | 139 UChar32 characterAfter(const VisiblePosition&); |
143 UChar32 characterBefore(const VisiblePosition&); | 140 UChar32 characterBefore(const VisiblePosition&); |
144 PositionWithAffinity honorEditingBoundaryAtOrBeforeOf(const PositionWithAffinity
&, const Position& anchor); | 141 PositionWithAffinity honorEditingBoundaryAtOrBeforeOf(const PositionWithAffinity
&, const Position& anchor); |
145 PositionInComposedTreeWithAffinity honorEditingBoundaryAtOrBeforeOf(const Positi
onInComposedTreeWithAffinity&, const PositionInComposedTree& anchor); | 142 PositionInComposedTreeWithAffinity honorEditingBoundaryAtOrBeforeOf(const Positi
onInComposedTreeWithAffinity&, const PositionInComposedTree& anchor); |
146 | 143 |
147 // TODO(yosin) We should move |nextPositionOf()| to "VisibleUnits.cpp". | 144 // TODO(yosin) We should move |nextPositionOf()| to "VisibleUnits.cpp". |
148 VisiblePosition nextPositionOf(const VisiblePosition&, EditingBoundaryCrossingRu
le = CanCrossEditingBoundary); | 145 VisiblePosition nextPositionOf(const VisiblePosition&, EditingBoundaryCrossingRu
le = CanCrossEditingBoundary); |
149 // TODO(yosin) We should move |previousPositionOf()| to "VisibleUnits.cpp" | 146 // TODO(yosin) We should move |previousPositionOf()| to "VisibleUnits.cpp" |
150 VisiblePosition previousPositionOf(const VisiblePosition&, EditingBoundaryCrossi
ngRule = CanCrossEditingBoundary); | 147 VisiblePosition previousPositionOf(const VisiblePosition&, EditingBoundaryCrossi
ngRule = CanCrossEditingBoundary); |
151 | 148 |
152 } // namespace blink | 149 } // namespace blink |
153 | 150 |
154 #ifndef NDEBUG | 151 #ifndef NDEBUG |
155 // Outside the WebCore namespace for ease of invocation from gdb. | 152 // Outside the WebCore namespace for ease of invocation from gdb. |
156 void showTree(const blink::VisiblePosition*); | 153 void showTree(const blink::VisiblePosition*); |
157 void showTree(const blink::VisiblePosition&); | 154 void showTree(const blink::VisiblePosition&); |
158 #endif | 155 #endif |
159 | 156 |
160 #endif // VisiblePosition_h | 157 #endif // VisiblePosition_h |
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