| /* |
| * Copyright (C) 2010 Google 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 SpellCheckRequester_h |
| #define SpellCheckRequester_h |
| |
| #include "core/dom/Element.h" |
| #include "core/dom/Range.h" |
| #include "platform/Timer.h" |
| #include "platform/text/TextChecking.h" |
| #include "wtf/Deque.h" |
| #include "wtf/Noncopyable.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/Vector.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace WebCore { |
| |
| class Frame; |
| class Node; |
| class SpellCheckRequester; |
| class TextCheckerClient; |
| |
| class SpellCheckRequest FINAL : public TextCheckingRequest { |
| public: |
| static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, int requestNumber = 0); |
| virtual ~SpellCheckRequest(); |
| |
| PassRefPtr<Range> checkingRange() const { return m_checkingRange; } |
| PassRefPtr<Range> paragraphRange() const { return m_paragraphRange; } |
| PassRefPtr<Element> rootEditableElement() const { return m_rootEditableElement; } |
| |
| void setCheckerAndSequence(SpellCheckRequester*, int sequence); |
| void requesterDestroyed(); |
| |
| virtual const TextCheckingRequestData& data() const OVERRIDE; |
| virtual void didSucceed(const Vector<TextCheckingResult>&) OVERRIDE; |
| virtual void didCancel() OVERRIDE; |
| |
| int requestNumber() const { return m_requestNumber; } |
| |
| private: |
| SpellCheckRequest(PassRefPtr<Range> checkingRange, PassRefPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsigned>& documentMarkerOffsets, int requestNumber); |
| |
| SpellCheckRequester* m_requester; |
| RefPtr<Range> m_checkingRange; |
| RefPtr<Range> m_paragraphRange; |
| RefPtr<Element> m_rootEditableElement; |
| TextCheckingRequestData m_requestData; |
| int m_requestNumber; |
| }; |
| |
| class SpellCheckRequester { |
| WTF_MAKE_NONCOPYABLE(SpellCheckRequester); WTF_MAKE_FAST_ALLOCATED; |
| public: |
| friend class SpellCheckRequest; |
| |
| explicit SpellCheckRequester(Frame&); |
| ~SpellCheckRequester(); |
| |
| bool isAsynchronousEnabled() const; |
| bool isCheckable(Range*) const; |
| |
| void requestCheckingFor(PassRefPtr<SpellCheckRequest>); |
| void cancelCheck(); |
| |
| int lastRequestSequence() const |
| { |
| return m_lastRequestSequence; |
| } |
| |
| int lastProcessedSequence() const |
| { |
| return m_lastProcessedSequence; |
| } |
| |
| private: |
| typedef Deque<RefPtr<SpellCheckRequest> > RequestQueue; |
| |
| bool canCheckAsynchronously(Range*) const; |
| TextCheckerClient& client() const; |
| void timerFiredToProcessQueuedRequest(Timer<SpellCheckRequester>*); |
| void invokeRequest(PassRefPtr<SpellCheckRequest>); |
| void enqueueRequest(PassRefPtr<SpellCheckRequest>); |
| void didCheckSucceed(int sequence, const Vector<TextCheckingResult>&); |
| void didCheckCancel(int sequence); |
| void didCheck(int sequence, const Vector<TextCheckingResult>&); |
| |
| Frame& m_frame; |
| int m_lastRequestSequence; |
| int m_lastProcessedSequence; |
| |
| Timer<SpellCheckRequester> m_timerToProcessQueuedRequest; |
| |
| RefPtr<SpellCheckRequest> m_processingRequest; |
| RequestQueue m_requestQueue; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // SpellCheckRequester_h |