1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple 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 "core/dom/DocumentMarker.h" 30 #include "core/editing/FrameSelection.h" 31 #include "core/editing/VisibleSelection.h" 32 #include "platform/heap/Handle.h" 33 #include "platform/text/TextChecking.h" 34 35 namespace blink { 36 37 class LocalFrame; 38 class SpellCheckerClient; 39 class SpellCheckRequest; 40 class SpellCheckRequester; 41 class TextCheckerClient; 42 class TextCheckingParagraph; 43 struct TextCheckingResult; 44 45 class SpellChecker FINAL : public NoBaseWillBeGarbageCollectedFinalized<SpellChecker> { 46 WTF_MAKE_NONCOPYABLE(SpellChecker); 47 public: 48 static PassOwnPtrWillBeRawPtr<SpellChecker> create(LocalFrame&); 49 50 ~SpellChecker(); 51 void trace(Visitor*); 52 53 SpellCheckerClient& spellCheckerClient() const; 54 TextCheckerClient& textChecker() const; 55 56 bool isContinuousSpellCheckingEnabled() const; 57 void toggleContinuousSpellChecking(); 58 bool isGrammarCheckingEnabled(); 59 void ignoreSpelling(); 60 bool isSpellCheckingEnabledInFocusedNode() const; 61 bool isSpellCheckingEnabledFor(Node*) const; 62 void markMisspellingsAfterLineBreak(const VisibleSelection& wordSelection); 63 void markMisspellingsAfterTypingToWord(const VisiblePosition &wordStart, const VisibleSelection& selectionAfterTyping); 64 void markMisspellings(const VisibleSelection&, RefPtrWillBeRawPtr<Range>& firstMisspellingRange); 65 void markBadGrammar(const VisibleSelection&); 66 void markMisspellingsAndBadGrammar(const VisibleSelection& spellingSelection, bool markGrammar, const VisibleSelection& grammarSelection); 67 void markAndReplaceFor(PassRefPtrWillBeRawPtr<SpellCheckRequest>, const Vector<TextCheckingResult>&); 68 void markAllMisspellingsAndBadGrammarInRanges(TextCheckingTypeMask, Range* spellingRange, Range* grammarRange); 69 void advanceToNextMisspelling(bool startBeforeSelection = false); 70 void showSpellingGuessPanel(); 71 void didBeginEditing(Element*); 72 void clearMisspellingsAndBadGrammar(const VisibleSelection&); 73 void markMisspellingsAndBadGrammar(const VisibleSelection&); 74 void respondToChangedSelection(const VisibleSelection& oldSelection, FrameSelection::SetSelectionOptions); 75 void replaceMisspelledRange(const String&); 76 void removeSpellingMarkers(); 77 void removeSpellingMarkersUnderWords(const Vector<String>& words); 78 void spellCheckAfterBlur(); 79 void spellCheckOldSelection(const VisibleSelection& oldSelection, const VisibleSelection& newAdjacentWords); 80 81 void didEndEditingOnTextField(Element*); 82 bool selectionStartHasMarkerFor(DocumentMarker::MarkerType, int from, int length) const; 83 bool selectionStartHasSpellingMarkerFor(int from, int length) const; 84 void updateMarkersForWordsAffectedByEditing(bool onlyHandleWordsContainingSelection); 85 void cancelCheck(); 86 void chunkAndMarkAllMisspellingsAndBadGrammar(Node*); 87 void requestTextChecking(const Element&); 88 89 // Exposed for testing only 90 SpellCheckRequester& spellCheckRequester() const { return *m_spellCheckRequester; } 91 92 private: 93 explicit SpellChecker(LocalFrame&); 94 95 LocalFrame& frame() const 96 { 97 ASSERT(m_frame); 98 return *m_frame; 99 } 100 101 void markMisspellingsOrBadGrammar(const VisibleSelection&, bool checkSpelling, RefPtrWillBeRawPtr<Range>& firstMisspellingRange); 102 TextCheckingTypeMask resolveTextCheckingTypeMask(TextCheckingTypeMask); 103 104 bool unifiedTextCheckerEnabled() const; 105 106 void chunkAndMarkAllMisspellingsAndBadGrammar(TextCheckingTypeMask textCheckingOptions, const TextCheckingParagraph& fullParagraphToCheck, bool asynchronous); 107 void markAllMisspellingsAndBadGrammarInRanges(TextCheckingTypeMask textCheckingOptions, Range* checkingRange, Range* paragraphRange, bool asynchronous, int requestNumber, int* checkingLength = 0); 108 109 RawPtrWillBeMember<LocalFrame> m_frame; 110 const OwnPtrWillBeMember<SpellCheckRequester> m_spellCheckRequester; 111 }; 112 113 } // namespace blink 114 115 #endif // SpellChecker_h 116
