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/*
* Copyright (C) 2006, 2007, 2008 Apple 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 COMPUTER, 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 COMPUTER, 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 "core/dom/ClipboardAccessPolicy.h"
#include "core/dom/DocumentMarker.h"
#include "core/editing/FrameSelection.h"
#include "core/editing/VisibleSelection.h"
#include "platform/text/TextChecking.h"
namespace WebCore {
class Frame;
class SpellCheckerClient;
class SpellCheckRequest;
class SpellCheckRequester;
class TextCheckerClient;
class TextCheckingParagraph;
struct TextCheckingResult;
class SpellChecker {
WTF_MAKE_NONCOPYABLE(SpellChecker);
public:
static PassOwnPtr<SpellChecker> create(Frame&);
~SpellChecker();
SpellCheckerClient& spellCheckerClient() const;
TextCheckerClient& textChecker() const;
bool isContinuousSpellCheckingEnabled() const;
void toggleContinuousSpellChecking();
bool isGrammarCheckingEnabled();
void ignoreSpelling();
String misspelledWordAtCaretOrRange(Node* clickedNode) const;
bool isSpellCheckingEnabledInFocusedNode() const;
bool isSpellCheckingEnabledFor(Node*) const;
void markMisspellingsAfterTypingToWord(const VisiblePosition &wordStart, const VisibleSelection& selectionAfterTyping);
void markMisspellings(const VisibleSelection&, RefPtr<Range>& firstMisspellingRange);
void markBadGrammar(const VisibleSelection&);
void markMisspellingsAndBadGrammar(const VisibleSelection& spellingSelection, bool markGrammar, const VisibleSelection& grammarSelection);
void markAndReplaceFor(PassRefPtr<SpellCheckRequest>, const Vector<TextCheckingResult>&);
void markAllMisspellingsAndBadGrammarInRanges(TextCheckingTypeMask, Range* spellingRange, Range* grammarRange);
void advanceToNextMisspelling(bool startBeforeSelection = false);
void showSpellingGuessPanel();
void didBeginEditing(Element*);
void clearMisspellingsAndBadGrammar(const VisibleSelection&);
void markMisspellingsAndBadGrammar(const VisibleSelection&);
void respondToChangedSelection(const VisibleSelection& oldSelection, FrameSelection::SetSelectionOptions);
void spellCheckAfterBlur();
void spellCheckOldSelection(const VisibleSelection& oldSelection, const VisibleSelection& newAdjacentWords, const VisibleSelection& newSelectedSentence);
void didEndEditingOnTextField(Element*);
bool selectionStartHasMarkerFor(DocumentMarker::MarkerType, int from, int length) const;
void updateMarkersForWordsAffectedByEditing(bool onlyHandleWordsContainingSelection);
void cancelCheck();
void chunkAndMarkAllMisspellingsAndBadGrammar(Node*);
void requestTextChecking(const Element&);
// Exposed for testing only
SpellCheckRequester& spellCheckRequester() const { return *m_spellCheckRequester; }
private:
Frame& m_frame;
const OwnPtr<SpellCheckRequester> m_spellCheckRequester;
explicit SpellChecker(Frame&);
void markMisspellingsOrBadGrammar(const VisibleSelection&, bool checkSpelling, RefPtr<Range>& firstMisspellingRange);
TextCheckingTypeMask resolveTextCheckingTypeMask(TextCheckingTypeMask);
bool unifiedTextCheckerEnabled() const;
void chunkAndMarkAllMisspellingsAndBadGrammar(TextCheckingTypeMask textCheckingOptions, const TextCheckingParagraph& fullParagraphToCheck, bool asynchronous);
void markAllMisspellingsAndBadGrammarInRanges(TextCheckingTypeMask textCheckingOptions, Range* checkingRange, Range* paragraphRange, bool asynchronous, int requestNumber, int* checkingLength = 0);
};
} // namespace WebCore
#endif // SpellChecker_h
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