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1 /* | |
2 * Copyright (C) 2010 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * 1. Redistributions of source code must retain the above copyright | |
8 * notice, this list of conditions and the following disclaimer. | |
9 * 2. Redistributions in binary form must reproduce the above copyright | |
10 * notice, this list of conditions and the following disclaimer in the | |
11 * documentation and/or other materials provided with the distribution. | |
12 * | |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
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. | |
24 */ | |
25 | |
26 #ifndef SpellCheckRequester_h | |
27 #define SpellCheckRequester_h | |
28 | |
29 #include "core/dom/Element.h" | |
30 #include "core/dom/Range.h" | |
31 #include "platform/Timer.h" | |
32 #include "platform/text/TextChecking.h" | |
33 #include "wtf/Deque.h" | |
34 #include "wtf/Noncopyable.h" | |
35 #include "wtf/RefPtr.h" | |
36 #include "wtf/Vector.h" | |
37 #include "wtf/text/WTFString.h" | |
38 | |
39 namespace blink { | |
40 | |
41 class LocalFrame; | |
42 class SpellCheckRequester; | |
43 class TextCheckerClient; | |
44 | |
45 class SpellCheckRequest final : public TextCheckingRequest { | |
46 public: | |
47 static PassRefPtrWillBeRawPtr<SpellCheckRequest> create(TextCheckingTypeMask
, TextCheckingProcessType, PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefP
trWillBeRawPtr<Range> paragraphRange, int requestNumber = 0); | |
48 ~SpellCheckRequest() override; | |
49 | |
50 PassRefPtrWillBeRawPtr<Range> checkingRange() const { return m_checkingRange
; } | |
51 PassRefPtrWillBeRawPtr<Range> paragraphRange() const { return m_paragraphRan
ge; } | |
52 PassRefPtrWillBeRawPtr<Element> rootEditableElement() const { return m_rootE
ditableElement; } | |
53 | |
54 void setCheckerAndSequence(SpellCheckRequester*, int sequence); | |
55 #if !ENABLE(OILPAN) | |
56 void requesterDestroyed(); | |
57 #endif | |
58 | |
59 const TextCheckingRequestData& data() const override; | |
60 void didSucceed(const Vector<TextCheckingResult>&) override; | |
61 void didCancel() override; | |
62 | |
63 int requestNumber() const { return m_requestNumber; } | |
64 | |
65 DECLARE_VIRTUAL_TRACE(); | |
66 | |
67 private: | |
68 SpellCheckRequest(PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWil
lBeRawPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextChecki
ngProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsi
gned>& documentMarkerOffsets, int requestNumber); | |
69 | |
70 RawPtrWillBeMember<SpellCheckRequester> m_requester; | |
71 RefPtrWillBeMember<Range> m_checkingRange; | |
72 RefPtrWillBeMember<Range> m_paragraphRange; | |
73 RefPtrWillBeMember<Element> m_rootEditableElement; | |
74 TextCheckingRequestData m_requestData; | |
75 int m_requestNumber; | |
76 }; | |
77 | |
78 class SpellCheckRequester final : public NoBaseWillBeGarbageCollectedFinalized<S
pellCheckRequester> { | |
79 WTF_MAKE_NONCOPYABLE(SpellCheckRequester); WTF_MAKE_FAST_ALLOCATED_WILL_BE_R
EMOVED(SpellCheckRequester); | |
80 public: | |
81 static PassOwnPtrWillBeRawPtr<SpellCheckRequester> create(LocalFrame& frame) | |
82 { | |
83 return adoptPtrWillBeNoop(new SpellCheckRequester(frame)); | |
84 } | |
85 | |
86 ~SpellCheckRequester(); | |
87 DECLARE_TRACE(); | |
88 | |
89 bool isAsynchronousEnabled() const; | |
90 bool isCheckable(Range*) const; | |
91 | |
92 void requestCheckingFor(PassRefPtrWillBeRawPtr<SpellCheckRequest>); | |
93 void cancelCheck(); | |
94 | |
95 int lastRequestSequence() const | |
96 { | |
97 return m_lastRequestSequence; | |
98 } | |
99 | |
100 int lastProcessedSequence() const | |
101 { | |
102 return m_lastProcessedSequence; | |
103 } | |
104 | |
105 private: | |
106 friend class SpellCheckRequest; | |
107 | |
108 explicit SpellCheckRequester(LocalFrame&); | |
109 | |
110 bool canCheckAsynchronously(Range*) const; | |
111 TextCheckerClient& client() const; | |
112 void timerFiredToProcessQueuedRequest(Timer<SpellCheckRequester>*); | |
113 void invokeRequest(PassRefPtrWillBeRawPtr<SpellCheckRequest>); | |
114 void enqueueRequest(PassRefPtrWillBeRawPtr<SpellCheckRequest>); | |
115 void didCheckSucceed(int sequence, const Vector<TextCheckingResult>&); | |
116 void didCheckCancel(int sequence); | |
117 void didCheck(int sequence, const Vector<TextCheckingResult>&); | |
118 | |
119 RawPtrWillBeMember<LocalFrame> m_frame; | |
120 LocalFrame& frame() const | |
121 { | |
122 ASSERT(m_frame); | |
123 return *m_frame; | |
124 } | |
125 | |
126 int m_lastRequestSequence; | |
127 int m_lastProcessedSequence; | |
128 | |
129 Timer<SpellCheckRequester> m_timerToProcessQueuedRequest; | |
130 | |
131 RefPtrWillBeMember<SpellCheckRequest> m_processingRequest; | |
132 | |
133 typedef WillBeHeapDeque<RefPtrWillBeMember<SpellCheckRequest>> RequestQueue; | |
134 RequestQueue m_requestQueue; | |
135 }; | |
136 | |
137 } // namespace blink | |
138 | |
139 #endif // SpellCheckRequester_h | |
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