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1 /*
2  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
4  * Copyright (C) 2010 Google Inc. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef TextCheckerClient_h
29 #define TextCheckerClient_h
30 
31 #include "TextChecking.h"
32 
33 #include <wtf/Forward.h>
34 #include <wtf/Vector.h>
35 #include <wtf/text/WTFString.h>
36 
37 namespace WebCore {
38 
39 class SpellChecker;
40 
41 struct GrammarDetail {
42     int location;
43     int length;
44     Vector<String> guesses;
45     String userDescription;
46 };
47 
48 struct TextCheckingResult {
49     TextCheckingType type;
50     int location;
51     int length;
52     Vector<GrammarDetail> details;
53     String replacement;
54 };
55 
56 class TextCheckerClient {
57 public:
~TextCheckerClient()58     virtual ~TextCheckerClient() {}
59 
60     virtual void ignoreWordInSpellDocument(const String&) = 0;
61     virtual void learnWord(const String&) = 0;
62     virtual void checkSpellingOfString(const UChar*, int length, int* misspellingLocation, int* misspellingLength) = 0;
63     virtual String getAutoCorrectSuggestionForMisspelledWord(const String& misspelledWord) = 0;
64     virtual void checkGrammarOfString(const UChar*, int length, Vector<GrammarDetail>&, int* badGrammarLocation, int* badGrammarLength) = 0;
65 
66 #if USE(UNIFIED_TEXT_CHECKING)
67     virtual void checkTextOfParagraph(const UChar* text, int length, TextCheckingTypeMask checkingTypes, Vector<TextCheckingResult>& results) = 0;
68 #endif
69 
70     // For spellcheckers that support multiple languages, it's often important to be able to identify the language in order to
71     // provide more accurate correction suggestions. Caller can pass in more text in "context" to aid such spellcheckers on language
72     // identification. Noramlly it's the text surrounding the "word" for which we are getting correction suggestions.
73     virtual void getGuessesForWord(const String& word, const String& context, Vector<String>& guesses) = 0;
74     virtual void requestCheckingOfString(SpellChecker*, int, TextCheckingTypeMask, const String&) = 0;
75 };
76 
77 }
78 
79 #endif // TextCheckerClient_h
80