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1 /* | 1 /* |
2 * Copyright (C) 2004 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2004 Apple Computer, 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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33 #include "core/editing/TextAffinity.h" | 33 #include "core/editing/TextAffinity.h" |
34 #include "core/editing/TextGranularity.h" | 34 #include "core/editing/TextGranularity.h" |
35 #include "core/editing/VisiblePosition.h" | 35 #include "core/editing/VisiblePosition.h" |
36 #include "core/editing/VisibleUnits.h" | 36 #include "core/editing/VisibleUnits.h" |
37 #include "wtf/Allocator.h" | 37 #include "wtf/Allocator.h" |
38 | 38 |
39 namespace blink { | 39 namespace blink { |
40 | 40 |
41 class LayoutPoint; | 41 class LayoutPoint; |
42 | 42 |
43 // TODO(yosin) We should use capitalized name instead of |SEL_DEFAULT_AFFINITY|. | 43 const TextAffinity SelDefaultAffinity = TextAffinity::Downstream; |
44 const TextAffinity SEL_DEFAULT_AFFINITY = TextAffinity::Downstream; // NOLINT | |
45 enum SelectionDirection { DirectionForward, DirectionBackward, DirectionRight, D
irectionLeft }; | 44 enum SelectionDirection { DirectionForward, DirectionBackward, DirectionRight, D
irectionLeft }; |
46 | 45 |
47 // Listener of |VisibleSelection| modification. |didChangeVisibleSelection()| | 46 // Listener of |VisibleSelection| modification. |didChangeVisibleSelection()| |
48 // will be invoked when base, extent, start or end is moved to a different | 47 // will be invoked when base, extent, start or end is moved to a different |
49 // position. | 48 // position. |
50 // | 49 // |
51 // Objects implementing |VisibleSelectionChangeObserver| interface must outlive | 50 // Objects implementing |VisibleSelectionChangeObserver| interface must outlive |
52 // the |VisibleSelection| object. | 51 // the |VisibleSelection| object. |
53 class CORE_EXPORT VisibleSelectionChangeObserver : public WillBeGarbageCollected
Mixin { | 52 class CORE_EXPORT VisibleSelectionChangeObserver : public WillBeGarbageCollected
Mixin { |
54 WTF_MAKE_NONCOPYABLE(VisibleSelectionChangeObserver); | 53 WTF_MAKE_NONCOPYABLE(VisibleSelectionChangeObserver); |
55 public: | 54 public: |
56 VisibleSelectionChangeObserver(); | 55 VisibleSelectionChangeObserver(); |
57 virtual ~VisibleSelectionChangeObserver(); | 56 virtual ~VisibleSelectionChangeObserver(); |
58 virtual void didChangeVisibleSelection() = 0; | 57 virtual void didChangeVisibleSelection() = 0; |
59 DEFINE_INLINE_VIRTUAL_TRACE() { } | 58 DEFINE_INLINE_VIRTUAL_TRACE() { } |
60 }; | 59 }; |
61 | 60 |
62 template <typename Strategy> | 61 template <typename Strategy> |
63 class CORE_TEMPLATE_CLASS_EXPORT VisibleSelectionTemplate { | 62 class CORE_TEMPLATE_CLASS_EXPORT VisibleSelectionTemplate { |
64 DISALLOW_NEW(); | 63 DISALLOW_NEW(); |
65 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(VisibleSelectionTemplate); | 64 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(VisibleSelectionTemplate); |
66 public: | 65 public: |
67 VisibleSelectionTemplate(); | 66 VisibleSelectionTemplate(); |
68 VisibleSelectionTemplate(const PositionTemplate<Strategy>&, TextAffinity, bo
ol isDirectional = false); | 67 VisibleSelectionTemplate(const PositionTemplate<Strategy>&, TextAffinity, bo
ol isDirectional = false); |
69 VisibleSelectionTemplate(const PositionTemplate<Strategy>& base, const Posit
ionTemplate<Strategy>& extent, TextAffinity = SEL_DEFAULT_AFFINITY, bool isDirec
tional = false); | 68 VisibleSelectionTemplate(const PositionTemplate<Strategy>& base, const Posit
ionTemplate<Strategy>& extent, TextAffinity = SelDefaultAffinity, bool isDirecti
onal = false); |
70 explicit VisibleSelectionTemplate(const EphemeralRangeTemplate<Strategy>&, T
extAffinity = SEL_DEFAULT_AFFINITY, bool isDirectional = false); | 69 explicit VisibleSelectionTemplate(const EphemeralRangeTemplate<Strategy>&, T
extAffinity = SelDefaultAffinity, bool isDirectional = false); |
71 | 70 |
72 explicit VisibleSelectionTemplate(const VisiblePositionTemplate<Strategy>&,
bool isDirectional = false); | 71 explicit VisibleSelectionTemplate(const VisiblePositionTemplate<Strategy>&,
bool isDirectional = false); |
73 VisibleSelectionTemplate(const VisiblePositionTemplate<Strategy>&, const Vis
iblePositionTemplate<Strategy>&, bool isDirectional = false); | 72 VisibleSelectionTemplate(const VisiblePositionTemplate<Strategy>&, const Vis
iblePositionTemplate<Strategy>&, bool isDirectional = false); |
74 | 73 |
75 explicit VisibleSelectionTemplate(const PositionWithAffinityTemplate<Strateg
y>&, bool isDirectional = false); | 74 explicit VisibleSelectionTemplate(const PositionWithAffinityTemplate<Strateg
y>&, bool isDirectional = false); |
76 | 75 |
77 static VisibleSelectionTemplate<Strategy> createWithoutValidation(const Posi
tionTemplate<Strategy>& base, const PositionTemplate<Strategy>& extent, const Po
sitionTemplate<Strategy>& start, const PositionTemplate<Strategy>& end, TextAffi
nity, bool isDirectional); | 76 static VisibleSelectionTemplate<Strategy> createWithoutValidation(const Posi
tionTemplate<Strategy>& base, const PositionTemplate<Strategy>& extent, const Po
sitionTemplate<Strategy>& start, const PositionTemplate<Strategy>& end, TextAffi
nity, bool isDirectional); |
78 | 77 |
79 VisibleSelectionTemplate(const VisibleSelectionTemplate&); | 78 VisibleSelectionTemplate(const VisibleSelectionTemplate&); |
80 VisibleSelectionTemplate& operator=(const VisibleSelectionTemplate&); | 79 VisibleSelectionTemplate& operator=(const VisibleSelectionTemplate&); |
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222 | 221 |
223 #ifndef NDEBUG | 222 #ifndef NDEBUG |
224 // Outside the WebCore namespace for ease of invocation from gdb. | 223 // Outside the WebCore namespace for ease of invocation from gdb. |
225 void showTree(const blink::VisibleSelection&); | 224 void showTree(const blink::VisibleSelection&); |
226 void showTree(const blink::VisibleSelection*); | 225 void showTree(const blink::VisibleSelection*); |
227 void showTree(const blink::VisibleSelectionInComposedTree&); | 226 void showTree(const blink::VisibleSelectionInComposedTree&); |
228 void showTree(const blink::VisibleSelectionInComposedTree*); | 227 void showTree(const blink::VisibleSelectionInComposedTree*); |
229 #endif | 228 #endif |
230 | 229 |
231 #endif // VisibleSelection_h | 230 #endif // VisibleSelection_h |
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