107 lines
4.2 KiB
C++
107 lines
4.2 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Copyright (C) 2020 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "Element.h"
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#include "SimpleRange.h"
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#include "TextChecking.h"
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#include "Timer.h"
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#include <wtf/Deque.h>
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namespace WebCore {
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class SpellChecker;
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class TextCheckerClient;
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class SpellCheckRequest final : public TextCheckingRequest {
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public:
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static RefPtr<SpellCheckRequest> create(OptionSet<TextCheckingType>, TextCheckingProcessType, const SimpleRange& checkingRange, const SimpleRange& automaticReplacementRange, const SimpleRange& paragraphRange);
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virtual ~SpellCheckRequest();
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const SimpleRange& checkingRange() const { return m_checkingRange; }
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const SimpleRange& paragraphRange() const { return m_paragraphRange; }
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const SimpleRange& automaticReplacementRange() const { return m_automaticReplacementRange; }
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Element* rootEditableElement() const { return m_rootEditableElement.get(); }
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void setCheckerAndIdentifier(SpellChecker*, TextCheckingRequestIdentifier);
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void requesterDestroyed();
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bool isStarted() const { return m_checker; }
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const TextCheckingRequestData& data() const final;
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private:
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void didSucceed(const Vector<TextCheckingResult>&) final;
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void didCancel() final;
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SpellCheckRequest(const SimpleRange& checkingRange, const SimpleRange& automaticReplacementRange, const SimpleRange& paragraphRange, const String&, OptionSet<TextCheckingType>, TextCheckingProcessType);
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SpellChecker* m_checker { nullptr };
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SimpleRange m_checkingRange;
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SimpleRange m_automaticReplacementRange;
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SimpleRange m_paragraphRange;
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RefPtr<Element> m_rootEditableElement;
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TextCheckingRequestData m_requestData;
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};
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class SpellChecker {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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friend class SpellCheckRequest;
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explicit SpellChecker(Document&);
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~SpellChecker();
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bool isAsynchronousEnabled() const;
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bool isCheckable(const SimpleRange&) const;
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void requestCheckingFor(Ref<SpellCheckRequest>&&);
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TextCheckingRequestIdentifier lastRequestIdentifier() const { return m_lastRequestIdentifier; }
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TextCheckingRequestIdentifier lastProcessedIdentifier() const { return m_lastProcessedIdentifier; }
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private:
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bool canCheckAsynchronously(const SimpleRange&) const;
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TextCheckerClient* client() const;
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void timerFiredToProcessQueuedRequest();
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void invokeRequest(Ref<SpellCheckRequest>&&);
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void enqueueRequest(Ref<SpellCheckRequest>&&);
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void didCheckSucceed(TextCheckingRequestIdentifier, const Vector<TextCheckingResult>&);
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void didCheckCancel(TextCheckingRequestIdentifier);
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void didCheck(TextCheckingRequestIdentifier, const Vector<TextCheckingResult>&);
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Document& m_document;
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TextCheckingRequestIdentifier m_lastRequestIdentifier;
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TextCheckingRequestIdentifier m_lastProcessedIdentifier;
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Timer m_timerToProcessQueuedRequest;
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RefPtr<SpellCheckRequest> m_processingRequest;
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Deque<Ref<SpellCheckRequest>> m_requestQueue;
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};
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} // namespace WebCore
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