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27 #include "core/editing/SpellCheckRequester.h"
29 #include "core/dom/Document.h"
30 #include "core/dom/DocumentMarkerController.h"
31 #include "core/dom/Node.h"
32 #include "core/editing/SpellChecker.h"
33 #include "core/frame/LocalFrame.h"
34 #include "core/frame/Settings.h"
35 #include "platform/text/TextCheckerClient.h"
39 SpellCheckRequest::SpellCheckRequest(
40 PassRefPtrWillBeRawPtr<Range> checkingRange,
41 PassRefPtrWillBeRawPtr<Range> paragraphRange,
43 TextCheckingTypeMask mask,
44 TextCheckingProcessType processType,
45 const Vector<uint32_t>& documentMarkersInRange,
46 const Vector<unsigned>& documentMarkerOffsets,
48 : m_requester(nullptr)
49 , m_checkingRange(checkingRange)
50 , m_paragraphRange(paragraphRange)
51 , m_rootEditableElement(m_checkingRange->startContainer()->rootEditableElement())
52 , m_requestData(unrequestedTextCheckingSequence, text, mask, processType, documentMarkersInRange, documentMarkerOffsets)
53 , m_requestNumber(requestNumber)
57 SpellCheckRequest::~SpellCheckRequest()
61 void SpellCheckRequest::trace(Visitor* visitor)
63 visitor->trace(m_requester);
64 visitor->trace(m_checkingRange);
65 visitor->trace(m_paragraphRange);
66 visitor->trace(m_rootEditableElement);
67 TextCheckingRequest::trace(visitor);
71 PassRefPtrWillBeRawPtr<SpellCheckRequest> SpellCheckRequest::create(TextCheckingTypeMask textCheckingOptions, TextCheckingProcessType processType, PassRefPtrWillBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange, int requestNumber)
73 ASSERT(checkingRange);
74 ASSERT(paragraphRange);
76 String text = checkingRange->text();
80 const DocumentMarkerVector& markers = checkingRange->ownerDocument().markers().markersInRange(checkingRange.get(), DocumentMarker::SpellCheckClientMarkers());
81 Vector<uint32_t> hashes(markers.size());
82 Vector<unsigned> offsets(markers.size());
83 for (size_t i = 0; i < markers.size(); i++) {
84 hashes[i] = markers[i]->hash();
85 offsets[i] = markers[i]->startOffset();
88 return adoptRefWillBeNoop(new SpellCheckRequest(checkingRange, paragraphRange, text, textCheckingOptions, processType, hashes, offsets, requestNumber));
91 const TextCheckingRequestData& SpellCheckRequest::data() const
96 void SpellCheckRequest::didSucceed(const Vector<TextCheckingResult>& results)
100 SpellCheckRequester* requester = m_requester;
101 m_requester = nullptr;
102 requester->didCheckSucceed(m_requestData.sequence(), results);
105 void SpellCheckRequest::didCancel()
109 SpellCheckRequester* requester = m_requester;
110 m_requester = nullptr;
111 requester->didCheckCancel(m_requestData.sequence());
114 void SpellCheckRequest::setCheckerAndSequence(SpellCheckRequester* requester, int sequence)
116 ASSERT(!m_requester);
117 ASSERT(m_requestData.sequence() == unrequestedTextCheckingSequence);
118 m_requester = requester;
119 m_requestData.m_sequence = sequence;
123 void SpellCheckRequest::requesterDestroyed()
125 m_requester = nullptr;
129 SpellCheckRequester::SpellCheckRequester(LocalFrame& frame)
131 , m_lastRequestSequence(0)
132 , m_lastProcessedSequence(0)
133 , m_timerToProcessQueuedRequest(this, &SpellCheckRequester::timerFiredToProcessQueuedRequest)
137 SpellCheckRequester::~SpellCheckRequester()
140 if (m_processingRequest)
141 m_processingRequest->requesterDestroyed();
142 for (const auto& requestQueue : m_requestQueue)
143 requestQueue->requesterDestroyed();
147 TextCheckerClient& SpellCheckRequester::client() const
149 return frame().spellChecker().textChecker();
152 void SpellCheckRequester::timerFiredToProcessQueuedRequest(Timer<SpellCheckRequester>*)
154 ASSERT(!m_requestQueue.isEmpty());
155 if (m_requestQueue.isEmpty())
158 invokeRequest(m_requestQueue.takeFirst());
161 bool SpellCheckRequester::isAsynchronousEnabled() const
163 return frame().settings() && frame().settings()->asynchronousSpellCheckingEnabled();
166 bool SpellCheckRequester::canCheckAsynchronously(Range* range) const
168 return isCheckable(range) && isAsynchronousEnabled();
171 bool SpellCheckRequester::isCheckable(Range* range) const
173 if (!range || !range->firstNode() || !range->firstNode()->renderer())
175 const Node* node = range->startContainer();
176 if (node && node->isElementNode() && !toElement(node)->isSpellCheckingEnabled())
181 void SpellCheckRequester::requestCheckingFor(PassRefPtrWillBeRawPtr<SpellCheckRequest> request)
183 if (!request || !canCheckAsynchronously(request->paragraphRange().get()))
186 ASSERT(request->data().sequence() == unrequestedTextCheckingSequence);
187 int sequence = ++m_lastRequestSequence;
188 if (sequence == unrequestedTextCheckingSequence)
189 sequence = ++m_lastRequestSequence;
191 request->setCheckerAndSequence(this, sequence);
193 if (m_timerToProcessQueuedRequest.isActive() || m_processingRequest) {
194 enqueueRequest(request);
198 invokeRequest(request);
201 void SpellCheckRequester::cancelCheck()
203 if (m_processingRequest)
204 m_processingRequest->didCancel();
207 void SpellCheckRequester::invokeRequest(PassRefPtrWillBeRawPtr<SpellCheckRequest> request)
209 ASSERT(!m_processingRequest);
210 m_processingRequest = request;
211 client().requestCheckingOfString(m_processingRequest);
214 void SpellCheckRequester::enqueueRequest(PassRefPtrWillBeRawPtr<SpellCheckRequest> request)
217 bool continuation = false;
218 if (!m_requestQueue.isEmpty()) {
219 RefPtrWillBeRawPtr<SpellCheckRequest> lastRequest = m_requestQueue.last();
220 // It's a continuation if the number of the last request got incremented in the new one and
221 // both apply to the same editable.
222 continuation = request->rootEditableElement() == lastRequest->rootEditableElement()
223 && request->requestNumber() == lastRequest->requestNumber() + 1;
226 // Spellcheck requests for chunks of text in the same element should not overwrite each other.
228 for (auto& requestQueue : m_requestQueue) {
229 if (request->rootEditableElement() != requestQueue->rootEditableElement())
232 requestQueue = request;
237 m_requestQueue.append(request);
240 void SpellCheckRequester::didCheck(int sequence, const Vector<TextCheckingResult>& results)
242 ASSERT(m_processingRequest);
243 ASSERT(m_processingRequest->data().sequence() == sequence);
244 if (m_processingRequest->data().sequence() != sequence) {
245 m_requestQueue.clear();
249 frame().spellChecker().markAndReplaceFor(m_processingRequest, results);
251 if (m_lastProcessedSequence < sequence)
252 m_lastProcessedSequence = sequence;
254 m_processingRequest.clear();
255 if (!m_requestQueue.isEmpty())
256 m_timerToProcessQueuedRequest.startOneShot(0, FROM_HERE);
259 void SpellCheckRequester::didCheckSucceed(int sequence, const Vector<TextCheckingResult>& results)
261 TextCheckingRequestData requestData = m_processingRequest->data();
262 if (requestData.sequence() == sequence) {
263 DocumentMarker::MarkerTypes markers = DocumentMarker::SpellCheckClientMarkers();
264 if (!requestData.maskContains(TextCheckingTypeSpelling))
265 markers.remove(DocumentMarker::Spelling);
266 if (!requestData.maskContains(TextCheckingTypeGrammar))
267 markers.remove(DocumentMarker::Grammar);
268 frame().document()->markers().removeMarkers(m_processingRequest->checkingRange().get(), markers);
270 didCheck(sequence, results);
273 void SpellCheckRequester::didCheckCancel(int sequence)
275 Vector<TextCheckingResult> results;
276 didCheck(sequence, results);
279 void SpellCheckRequester::trace(Visitor* visitor)
281 visitor->trace(m_frame);
282 visitor->trace(m_processingRequest);
283 visitor->trace(m_requestQueue);