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| 1 /* | |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 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. | |
| 12 * | |
| 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. | |
| 24 */ | |
| 25 | |
| 26 #include "config.h" | |
| 27 #include "core/editing/SpellCheckRequester.h" | |
| 28 | |
| 29 #include "core/dom/Document.h" | |
| 30 #include "core/dom/Node.h" | |
| 31 #include "core/editing/SpellChecker.h" | |
| 32 #include "core/editing/markers/DocumentMarkerController.h" | |
| 33 #include "core/frame/LocalFrame.h" | |
| 34 #include "core/frame/Settings.h" | |
| 35 #include "platform/text/TextCheckerClient.h" | |
| 36 | |
| 37 namespace blink { | |
| 38 | |
| 39 SpellCheckRequest::SpellCheckRequest( | |
| 40 PassRefPtrWillBeRawPtr<Range> checkingRange, | |
| 41 PassRefPtrWillBeRawPtr<Range> paragraphRange, | |
| 42 const String& text, | |
| 43 TextCheckingTypeMask mask, | |
| 44 TextCheckingProcessType processType, | |
| 45 const Vector<uint32_t>& documentMarkersInRange, | |
| 46 const Vector<unsigned>& documentMarkerOffsets, | |
| 47 int requestNumber) | |
| 48 : m_requester(nullptr) | |
| 49 , m_checkingRange(checkingRange) | |
| 50 , m_paragraphRange(paragraphRange) | |
| 51 , m_rootEditableElement(m_checkingRange->startContainer()->rootEditableEleme
nt()) | |
| 52 , m_requestData(unrequestedTextCheckingSequence, text, mask, processType, do
cumentMarkersInRange, documentMarkerOffsets) | |
| 53 , m_requestNumber(requestNumber) | |
| 54 { | |
| 55 } | |
| 56 | |
| 57 SpellCheckRequest::~SpellCheckRequest() | |
| 58 { | |
| 59 } | |
| 60 | |
| 61 DEFINE_TRACE(SpellCheckRequest) | |
| 62 { | |
| 63 visitor->trace(m_requester); | |
| 64 visitor->trace(m_checkingRange); | |
| 65 visitor->trace(m_paragraphRange); | |
| 66 visitor->trace(m_rootEditableElement); | |
| 67 TextCheckingRequest::trace(visitor); | |
| 68 } | |
| 69 | |
| 70 // static | |
| 71 PassRefPtrWillBeRawPtr<SpellCheckRequest> SpellCheckRequest::create(TextChecking
TypeMask textCheckingOptions, TextCheckingProcessType processType, PassRefPtrWil
lBeRawPtr<Range> checkingRange, PassRefPtrWillBeRawPtr<Range> paragraphRange, in
t requestNumber) | |
| 72 { | |
| 73 ASSERT(checkingRange); | |
| 74 ASSERT(paragraphRange); | |
| 75 | |
| 76 String text = checkingRange->text(); | |
| 77 if (!text.length()) | |
| 78 return nullptr; | |
| 79 | |
| 80 const DocumentMarkerVector& markers = checkingRange->ownerDocument().markers
().markersInRange(EphemeralRange(checkingRange.get()), DocumentMarker::SpellChec
kClientMarkers()); | |
| 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(); | |
| 86 } | |
| 87 | |
| 88 return adoptRefWillBeNoop(new SpellCheckRequest(checkingRange, paragraphRang
e, text, textCheckingOptions, processType, hashes, offsets, requestNumber)); | |
| 89 } | |
| 90 | |
| 91 const TextCheckingRequestData& SpellCheckRequest::data() const | |
| 92 { | |
| 93 return m_requestData; | |
| 94 } | |
| 95 | |
| 96 void SpellCheckRequest::didSucceed(const Vector<TextCheckingResult>& results) | |
| 97 { | |
| 98 if (!m_requester) | |
| 99 return; | |
| 100 SpellCheckRequester* requester = m_requester; | |
| 101 m_requester = nullptr; | |
| 102 requester->didCheckSucceed(m_requestData.sequence(), results); | |
| 103 } | |
| 104 | |
| 105 void SpellCheckRequest::didCancel() | |
| 106 { | |
| 107 if (!m_requester) | |
| 108 return; | |
| 109 SpellCheckRequester* requester = m_requester; | |
| 110 m_requester = nullptr; | |
| 111 requester->didCheckCancel(m_requestData.sequence()); | |
| 112 } | |
| 113 | |
| 114 void SpellCheckRequest::setCheckerAndSequence(SpellCheckRequester* requester, in
t sequence) | |
| 115 { | |
| 116 ASSERT(!m_requester); | |
| 117 ASSERT(m_requestData.sequence() == unrequestedTextCheckingSequence); | |
| 118 m_requester = requester; | |
| 119 m_requestData.m_sequence = sequence; | |
| 120 } | |
| 121 | |
| 122 #if !ENABLE(OILPAN) | |
| 123 void SpellCheckRequest::requesterDestroyed() | |
| 124 { | |
| 125 m_requester = nullptr; | |
| 126 } | |
| 127 #endif | |
| 128 | |
| 129 SpellCheckRequester::SpellCheckRequester(LocalFrame& frame) | |
| 130 : m_frame(&frame) | |
| 131 , m_lastRequestSequence(0) | |
| 132 , m_lastProcessedSequence(0) | |
| 133 , m_timerToProcessQueuedRequest(this, &SpellCheckRequester::timerFiredToProc
essQueuedRequest) | |
| 134 { | |
| 135 } | |
| 136 | |
| 137 SpellCheckRequester::~SpellCheckRequester() | |
| 138 { | |
| 139 #if !ENABLE(OILPAN) | |
| 140 if (m_processingRequest) | |
| 141 m_processingRequest->requesterDestroyed(); | |
| 142 for (const auto& requestQueue : m_requestQueue) | |
| 143 requestQueue->requesterDestroyed(); | |
| 144 #endif | |
| 145 } | |
| 146 | |
| 147 TextCheckerClient& SpellCheckRequester::client() const | |
| 148 { | |
| 149 return frame().spellChecker().textChecker(); | |
| 150 } | |
| 151 | |
| 152 void SpellCheckRequester::timerFiredToProcessQueuedRequest(Timer<SpellCheckReque
ster>*) | |
| 153 { | |
| 154 ASSERT(!m_requestQueue.isEmpty()); | |
| 155 if (m_requestQueue.isEmpty()) | |
| 156 return; | |
| 157 | |
| 158 invokeRequest(m_requestQueue.takeFirst()); | |
| 159 } | |
| 160 | |
| 161 bool SpellCheckRequester::isAsynchronousEnabled() const | |
| 162 { | |
| 163 return frame().settings() && frame().settings()->asynchronousSpellCheckingEn
abled(); | |
| 164 } | |
| 165 | |
| 166 bool SpellCheckRequester::canCheckAsynchronously(Range* range) const | |
| 167 { | |
| 168 return isCheckable(range) && isAsynchronousEnabled(); | |
| 169 } | |
| 170 | |
| 171 bool SpellCheckRequester::isCheckable(Range* range) const | |
| 172 { | |
| 173 if (!range || !range->firstNode() || !range->firstNode()->layoutObject()) | |
| 174 return false; | |
| 175 const Node* node = range->startContainer(); | |
| 176 if (node && node->isElementNode() && !toElement(node)->isSpellCheckingEnable
d()) | |
| 177 return false; | |
| 178 return true; | |
| 179 } | |
| 180 | |
| 181 void SpellCheckRequester::requestCheckingFor(PassRefPtrWillBeRawPtr<SpellCheckRe
quest> request) | |
| 182 { | |
| 183 if (!request || !canCheckAsynchronously(request->paragraphRange().get())) | |
| 184 return; | |
| 185 | |
| 186 ASSERT(request->data().sequence() == unrequestedTextCheckingSequence); | |
| 187 int sequence = ++m_lastRequestSequence; | |
| 188 if (sequence == unrequestedTextCheckingSequence) | |
| 189 sequence = ++m_lastRequestSequence; | |
| 190 | |
| 191 request->setCheckerAndSequence(this, sequence); | |
| 192 | |
| 193 if (m_timerToProcessQueuedRequest.isActive() || m_processingRequest) { | |
| 194 enqueueRequest(request); | |
| 195 return; | |
| 196 } | |
| 197 | |
| 198 invokeRequest(request); | |
| 199 } | |
| 200 | |
| 201 void SpellCheckRequester::cancelCheck() | |
| 202 { | |
| 203 if (m_processingRequest) | |
| 204 m_processingRequest->didCancel(); | |
| 205 } | |
| 206 | |
| 207 void SpellCheckRequester::invokeRequest(PassRefPtrWillBeRawPtr<SpellCheckRequest
> request) | |
| 208 { | |
| 209 ASSERT(!m_processingRequest); | |
| 210 m_processingRequest = request; | |
| 211 client().requestCheckingOfString(m_processingRequest); | |
| 212 } | |
| 213 | |
| 214 void SpellCheckRequester::enqueueRequest(PassRefPtrWillBeRawPtr<SpellCheckReques
t> request) | |
| 215 { | |
| 216 ASSERT(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->rootEditab
leElement() | |
| 223 && request->requestNumber() == lastRequest->requestNumber() + 1; | |
| 224 } | |
| 225 | |
| 226 // Spellcheck requests for chunks of text in the same element should not ove
rwrite each other. | |
| 227 if (!continuation) { | |
| 228 for (auto& requestQueue : m_requestQueue) { | |
| 229 if (request->rootEditableElement() != requestQueue->rootEditableElem
ent()) | |
| 230 continue; | |
| 231 | |
| 232 requestQueue = request; | |
| 233 return; | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 m_requestQueue.append(request); | |
| 238 } | |
| 239 | |
| 240 void SpellCheckRequester::didCheck(int sequence, const Vector<TextCheckingResult
>& results) | |
| 241 { | |
| 242 ASSERT(m_processingRequest); | |
| 243 ASSERT(m_processingRequest->data().sequence() == sequence); | |
| 244 if (m_processingRequest->data().sequence() != sequence) { | |
| 245 m_requestQueue.clear(); | |
| 246 return; | |
| 247 } | |
| 248 | |
| 249 frame().spellChecker().markAndReplaceFor(m_processingRequest, results); | |
| 250 | |
| 251 if (m_lastProcessedSequence < sequence) | |
| 252 m_lastProcessedSequence = sequence; | |
| 253 | |
| 254 m_processingRequest.clear(); | |
| 255 if (!m_requestQueue.isEmpty()) | |
| 256 m_timerToProcessQueuedRequest.startOneShot(0, FROM_HERE); | |
| 257 } | |
| 258 | |
| 259 void SpellCheckRequester::didCheckSucceed(int sequence, const Vector<TextCheckin
gResult>& results) | |
| 260 { | |
| 261 TextCheckingRequestData requestData = m_processingRequest->data(); | |
| 262 if (requestData.sequence() == sequence) { | |
| 263 DocumentMarker::MarkerTypes markers = DocumentMarker::SpellCheckClientMa
rkers(); | |
| 264 if (!requestData.maskContains(TextCheckingTypeSpelling)) | |
| 265 markers.remove(DocumentMarker::Spelling); | |
| 266 if (!requestData.maskContains(TextCheckingTypeGrammar)) | |
| 267 markers.remove(DocumentMarker::Grammar); | |
| 268 RefPtrWillBeRawPtr<Range> checkingRange = m_processingRequest->checkingR
ange(); | |
| 269 frame().document()->markers().removeMarkers(EphemeralRange(checkingRange
.get()), markers); | |
| 270 } | |
| 271 didCheck(sequence, results); | |
| 272 } | |
| 273 | |
| 274 void SpellCheckRequester::didCheckCancel(int sequence) | |
| 275 { | |
| 276 Vector<TextCheckingResult> results; | |
| 277 didCheck(sequence, results); | |
| 278 } | |
| 279 | |
| 280 DEFINE_TRACE(SpellCheckRequester) | |
| 281 { | |
| 282 visitor->trace(m_frame); | |
| 283 visitor->trace(m_processingRequest); | |
| 284 visitor->trace(m_requestQueue); | |
| 285 } | |
| 286 | |
| 287 } // namespace blink | |
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Chromium Code Reviews
Issue 1287263004:
Move spell checker in core/editing/ related files into core/editing/spellcheck/ (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master