2 * Copyright (C) 2010 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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.
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.
26 #ifndef SpellCheckRequester_h
27 #define SpellCheckRequester_h
29 #include "core/dom/Element.h"
30 #include "core/dom/Range.h"
31 #include "platform/Timer.h"
32 #include "platform/text/TextChecking.h"
33 #include "wtf/Deque.h"
34 #include "wtf/Noncopyable.h"
35 #include "wtf/RefPtr.h"
36 #include "wtf/Vector.h"
37 #include "wtf/text/WTFString.h"
43 class SpellCheckRequester;
44 class TextCheckerClient;
46 class SpellCheckRequest FINAL : public TextCheckingRequest {
48 static PassRefPtr<SpellCheckRequest> create(TextCheckingTypeMask, TextCheckingProcessType, PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange, int requestNumber = 0);
49 virtual ~SpellCheckRequest();
51 PassRefPtrWillBeRawPtr<Range> checkingRange() const { return m_checkingRange; }
52 PassRefPtrWillBeRawPtr<Range> paragraphRange() const { return m_paragraphRange; }
53 PassRefPtrWillBeRawPtr<Element> rootEditableElement() const { return m_rootEditableElement; }
55 void setCheckerAndSequence(SpellCheckRequester*, int sequence);
56 void requesterDestroyed();
58 virtual const TextCheckingRequestData& data() const OVERRIDE;
59 virtual void didSucceed(const Vector<TextCheckingResult>&) OVERRIDE;
60 virtual void didCancel() OVERRIDE;
62 int requestNumber() const { return m_requestNumber; }
65 SpellCheckRequest(PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange, const String&, TextCheckingTypeMask, TextCheckingProcessType, const Vector<uint32_t>& documentMarkersInRange, const Vector<unsigned>& documentMarkerOffsets, int requestNumber);
67 SpellCheckRequester* m_requester;
68 RefPtrWillBePersistent<Range> m_checkingRange;
69 RefPtrWillBePersistent<Range> m_paragraphRange;
70 RefPtrWillBePersistent<Element> m_rootEditableElement;
71 TextCheckingRequestData m_requestData;
75 class SpellCheckRequester {
76 WTF_MAKE_NONCOPYABLE(SpellCheckRequester); WTF_MAKE_FAST_ALLOCATED;
78 friend class SpellCheckRequest;
80 explicit SpellCheckRequester(LocalFrame&);
81 ~SpellCheckRequester();
83 bool isAsynchronousEnabled() const;
84 bool isCheckable(Range*) const;
86 void requestCheckingFor(PassRefPtr<SpellCheckRequest>);
89 int lastRequestSequence() const
91 return m_lastRequestSequence;
94 int lastProcessedSequence() const
96 return m_lastProcessedSequence;
100 typedef Deque<RefPtr<SpellCheckRequest> > RequestQueue;
102 bool canCheckAsynchronously(Range*) const;
103 TextCheckerClient& client() const;
104 void timerFiredToProcessQueuedRequest(Timer<SpellCheckRequester>*);
105 void invokeRequest(PassRefPtr<SpellCheckRequest>);
106 void enqueueRequest(PassRefPtr<SpellCheckRequest>);
107 void didCheckSucceed(int sequence, const Vector<TextCheckingResult>&);
108 void didCheckCancel(int sequence);
109 void didCheck(int sequence, const Vector<TextCheckingResult>&);
112 int m_lastRequestSequence;
113 int m_lastProcessedSequence;
115 Timer<SpellCheckRequester> m_timerToProcessQueuedRequest;
117 RefPtr<SpellCheckRequest> m_processingRequest;
118 RequestQueue m_requestQueue;
123 #endif // SpellCheckRequester_h