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 SpellChecker_h
27#define SpellChecker_h
28
29#include "DocumentMarker.h"
30#include "TextCheckerClient.h"
31#include <wtf/Noncopyable.h>
32
33namespace WebCore {
34
35class TextCheckerClient;
36class Frame;
37class Node;
38
39class SpellChecker {
40    WTF_MAKE_NONCOPYABLE(SpellChecker);
41public:
42    explicit SpellChecker(Frame*);
43    ~SpellChecker();
44
45    bool isAsynchronousEnabled() const;
46    bool canCheckAsynchronously(Node*) const;
47    bool isBusy() const;
48    bool isValid(int sequence) const;
49    bool isCheckable(Node*) const;
50    void requestCheckingFor(TextCheckingTypeMask, Node*);
51    void didCheck(int sequence, const Vector<TextCheckingResult>&);
52
53private:
54    bool initRequest(Node*);
55    void clearRequest();
56    TextCheckerClient* client() const;
57
58    Frame* m_frame;
59
60    RefPtr<Node> m_requestNode;
61    String m_requestText;
62    int m_requestSequence;
63};
64
65} // namespace WebCore
66
67#endif // SpellChecker_h
68