1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SpellChecker_h
#define SpellChecker_h
#include "Element.h"
#include "Range.h"
#include "TextChecking.h"
#include "Timer.h"
#include <wtf/Deque.h>
#include <wtf/RefPtr.h>
#include <wtf/Noncopyable.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class Frame;
class Node;
class TextCheckerClient;
class SpellChecker;
class SpellCheckRequest : public TextCheckingRequest {
public:
static RefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange);
virtual ~SpellCheckRequest();
PassRefPtr<Range> checkingRange() const { return m_checkingRange; }
PassRefPtr<Range> paragraphRange() const { return m_paragraphRange; }
PassRefPtr<Element> rootEditableElement() const { return m_rootEditableElement; }
void setCheckerAndSequence(SpellChecker*, int sequence);
void requesterDestroyed();
bool isStarted() const { return m_checker; }
virtual const TextCheckingRequestData& data() const override;
virtual void didSucceed(const Vector<TextCheckingResult>&) override;
virtual void didCancel() override;
private:
SpellCheckRequest(PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType);
SpellChecker* m_checker { nullptr };
RefPtr<Range> m_checkingRange;
RefPtr<Range> m_paragraphRange;
RefPtr<Element> m_rootEditableElement;
TextCheckingRequestData m_requestData;
};
class SpellChecker {
WTF_MAKE_NONCOPYABLE(SpellChecker); WTF_MAKE_FAST_ALLOCATED;
public:
friend class SpellCheckRequest;
explicit SpellChecker(Frame&);
~SpellChecker();
bool isAsynchronousEnabled() const;
bool isCheckable(Range*) const;
void requestCheckingFor(PassRefPtr<SpellCheckRequest>);
int lastRequestSequence() const
{
return m_lastRequestSequence;
}
int lastProcessedSequence() const
{
return m_lastProcessedSequence;
}
private:
typedef Deque<RefPtr<SpellCheckRequest>> RequestQueue;
bool canCheckAsynchronously(Range*) const;
TextCheckerClient* client() const;
void timerFiredToProcessQueuedRequest();
void invokeRequest(PassRefPtr<SpellCheckRequest>);
void enqueueRequest(PassRefPtr<SpellCheckRequest>);
void didCheckSucceed(int sequence, const Vector<TextCheckingResult>&);
void didCheckCancel(int sequence);
void didCheck(int sequence, const Vector<TextCheckingResult>&);
Frame& m_frame;
int m_lastRequestSequence;
int m_lastProcessedSequence;
Timer m_timerToProcessQueuedRequest;
RefPtr<SpellCheckRequest> m_processingRequest;
RequestQueue m_requestQueue;
};
} // namespace WebCore
#endif // SpellChecker_h
|
