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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/SpellCheckRequestManager.h" | |
| 28 | |
| 29 #include "core/dom/Document.h" | |
| 30 #include "core/dom/DocumentMarkerController.h" | |
| 31 #include "core/dom/Node.h" | |
| 32 #include "core/dom/Range.h" | |
| 33 #include "core/editing/Editor.h" | |
| 34 #include "core/page/EditorClient.h" | |
| 35 #include "core/page/Frame.h" | |
| 36 #include "core/page/Page.h" | |
| 37 #include "core/page/Settings.h" | |
| 38 #include "core/platform/text/TextCheckerClient.h" | |
| 39 | |
| 40 namespace WebCore { | |
| 41 | |
| 42 SpellCheckRequest::SpellCheckRequest( | |
| 43 PassRefPtr<Range> checkingRange, | |
| 44 PassRefPtr<Range> paragraphRange, | |
| 45 const String& text, | |
| 46 TextCheckingTypeMask mask, | |
| 47 TextCheckingProcessType processType, | |
| 48 const Vector<uint32_t>& documentMarkersInRange, | |
| 49 const Vector<unsigned>& documentMarkerOffsets) | |
| 50 : m_checker(0) | |
| 51 , m_checkingRange(checkingRange) | |
| 52 , m_paragraphRange(paragraphRange) | |
| 53 , m_rootEditableElement(m_checkingRange->startContainer()->rootEditableEleme
nt()) | |
| 54 , m_requestData(unrequestedTextCheckingSequence, text, mask, processType, do
cumentMarkersInRange, documentMarkerOffsets) | |
| 55 { | |
| 56 } | |
| 57 | |
| 58 SpellCheckRequest::~SpellCheckRequest() | |
| 59 { | |
| 60 } | |
| 61 | |
| 62 // static | |
| 63 PassRefPtr<SpellCheckRequest> SpellCheckRequest::create(TextCheckingTypeMask tex
tCheckingOptions, TextCheckingProcessType processType, PassRefPtr<Range> checkin
gRange, PassRefPtr<Range> paragraphRange) | |
| 64 { | |
| 65 ASSERT(checkingRange); | |
| 66 ASSERT(paragraphRange); | |
| 67 | |
| 68 String text = checkingRange->text(); | |
| 69 if (!text.length()) | |
| 70 return PassRefPtr<SpellCheckRequest>(); | |
| 71 | |
| 72 const Vector<DocumentMarker*>& markers = checkingRange->ownerDocument()->mar
kers()->markersInRange(checkingRange.get(), DocumentMarker::Spelling | DocumentM
arker::Grammar); | |
| 73 Vector<uint32_t> hashes(markers.size()); | |
| 74 Vector<unsigned> offsets(markers.size()); | |
| 75 for (size_t i = 0; i < markers.size(); i++) { | |
| 76 hashes[i] = markers[i]->hash(); | |
| 77 offsets[i] = markers[i]->startOffset(); | |
| 78 } | |
| 79 | |
| 80 return adoptRef(new SpellCheckRequest(checkingRange, paragraphRange, text, t
extCheckingOptions, processType, hashes, offsets)); | |
| 81 } | |
| 82 | |
| 83 const TextCheckingRequestData& SpellCheckRequest::data() const | |
| 84 { | |
| 85 return m_requestData; | |
| 86 } | |
| 87 | |
| 88 void SpellCheckRequest::didSucceed(const Vector<TextCheckingResult>& results) | |
| 89 { | |
| 90 if (!m_checker) | |
| 91 return; | |
| 92 SpellChecker* checker = m_checker; | |
| 93 m_checker = 0; | |
| 94 checker->didCheckSucceed(m_requestData.sequence(), results); | |
| 95 } | |
| 96 | |
| 97 void SpellCheckRequest::didCancel() | |
| 98 { | |
| 99 if (!m_checker) | |
| 100 return; | |
| 101 SpellChecker* checker = m_checker; | |
| 102 m_checker = 0; | |
| 103 checker->didCheckCancel(m_requestData.sequence()); | |
| 104 } | |
| 105 | |
| 106 void SpellCheckRequest::setCheckerAndSequence(SpellChecker* requester, int seque
nce) | |
| 107 { | |
| 108 ASSERT(!m_checker); | |
| 109 ASSERT(m_requestData.sequence() == unrequestedTextCheckingSequence); | |
| 110 m_checker = requester; | |
| 111 m_requestData.m_sequence = sequence; | |
| 112 } | |
| 113 | |
| 114 void SpellCheckRequest::requesterDestroyed() | |
| 115 { | |
| 116 m_checker = 0; | |
| 117 } | |
| 118 | |
| 119 SpellChecker::SpellChecker(Frame* frame) | |
| 120 : m_frame(frame) | |
| 121 , m_lastRequestSequence(0) | |
| 122 , m_lastProcessedSequence(0) | |
| 123 , m_timerToProcessQueuedRequest(this, &SpellChecker::timerFiredToProcessQueu
edRequest) | |
| 124 { | |
| 125 } | |
| 126 | |
| 127 SpellChecker::~SpellChecker() | |
| 128 { | |
| 129 if (m_processingRequest) | |
| 130 m_processingRequest->requesterDestroyed(); | |
| 131 for (RequestQueue::iterator i = m_requestQueue.begin(); i != m_requestQueue.
end(); ++i) | |
| 132 (*i)->requesterDestroyed(); | |
| 133 } | |
| 134 | |
| 135 TextCheckerClient* SpellChecker::client() const | |
| 136 { | |
| 137 Page* page = m_frame->page(); | |
| 138 if (!page) | |
| 139 return 0; | |
| 140 return page->editorClient()->textChecker(); | |
| 141 } | |
| 142 | |
| 143 void SpellChecker::timerFiredToProcessQueuedRequest(Timer<SpellChecker>*) | |
| 144 { | |
| 145 ASSERT(!m_requestQueue.isEmpty()); | |
| 146 if (m_requestQueue.isEmpty()) | |
| 147 return; | |
| 148 | |
| 149 invokeRequest(m_requestQueue.takeFirst()); | |
| 150 } | |
| 151 | |
| 152 bool SpellChecker::isAsynchronousEnabled() const | |
| 153 { | |
| 154 return m_frame->settings() && m_frame->settings()->asynchronousSpellChecking
Enabled(); | |
| 155 } | |
| 156 | |
| 157 bool SpellChecker::canCheckAsynchronously(Range* range) const | |
| 158 { | |
| 159 return client() && isCheckable(range) && isAsynchronousEnabled(); | |
| 160 } | |
| 161 | |
| 162 bool SpellChecker::isCheckable(Range* range) const | |
| 163 { | |
| 164 if (!range || !range->firstNode() || !range->firstNode()->renderer()) | |
| 165 return false; | |
| 166 const Node* node = range->startContainer(); | |
| 167 if (node && node->isElementNode() && !toElement(node)->isSpellCheckingEnable
d()) | |
| 168 return false; | |
| 169 return true; | |
| 170 } | |
| 171 | |
| 172 void SpellChecker::requestCheckingFor(PassRefPtr<SpellCheckRequest> request) | |
| 173 { | |
| 174 if (!request || !canCheckAsynchronously(request->paragraphRange().get())) | |
| 175 return; | |
| 176 | |
| 177 ASSERT(request->data().sequence() == unrequestedTextCheckingSequence); | |
| 178 int sequence = ++m_lastRequestSequence; | |
| 179 if (sequence == unrequestedTextCheckingSequence) | |
| 180 sequence = ++m_lastRequestSequence; | |
| 181 | |
| 182 request->setCheckerAndSequence(this, sequence); | |
| 183 | |
| 184 if (m_timerToProcessQueuedRequest.isActive() || m_processingRequest) { | |
| 185 enqueueRequest(request); | |
| 186 return; | |
| 187 } | |
| 188 | |
| 189 invokeRequest(request); | |
| 190 } | |
| 191 | |
| 192 void SpellChecker::cancelCheck() | |
| 193 { | |
| 194 if (m_processingRequest) | |
| 195 m_processingRequest->didCancel(); | |
| 196 } | |
| 197 | |
| 198 void SpellChecker::invokeRequest(PassRefPtr<SpellCheckRequest> request) | |
| 199 { | |
| 200 ASSERT(!m_processingRequest); | |
| 201 if (!client()) | |
| 202 return; | |
| 203 m_processingRequest = request; | |
| 204 client()->requestCheckingOfString(m_processingRequest); | |
| 205 } | |
| 206 | |
| 207 void SpellChecker::enqueueRequest(PassRefPtr<SpellCheckRequest> request) | |
| 208 { | |
| 209 ASSERT(request); | |
| 210 | |
| 211 for (RequestQueue::iterator it = m_requestQueue.begin(); it != m_requestQueu
e.end(); ++it) { | |
| 212 if (request->rootEditableElement() != (*it)->rootEditableElement()) | |
| 213 continue; | |
| 214 | |
| 215 *it = request; | |
| 216 return; | |
| 217 } | |
| 218 | |
| 219 m_requestQueue.append(request); | |
| 220 } | |
| 221 | |
| 222 void SpellChecker::didCheck(int sequence, const Vector<TextCheckingResult>& resu
lts) | |
| 223 { | |
| 224 ASSERT(m_processingRequest); | |
| 225 ASSERT(m_processingRequest->data().sequence() == sequence); | |
| 226 if (m_processingRequest->data().sequence() != sequence) { | |
| 227 m_requestQueue.clear(); | |
| 228 return; | |
| 229 } | |
| 230 | |
| 231 m_frame->editor()->markAndReplaceFor(m_processingRequest, results); | |
| 232 | |
| 233 if (m_lastProcessedSequence < sequence) | |
| 234 m_lastProcessedSequence = sequence; | |
| 235 | |
| 236 m_processingRequest.clear(); | |
| 237 if (!m_requestQueue.isEmpty()) | |
| 238 m_timerToProcessQueuedRequest.startOneShot(0); | |
| 239 } | |
| 240 | |
| 241 void SpellChecker::didCheckSucceed(int sequence, const Vector<TextCheckingResult
>& results) | |
| 242 { | |
| 243 TextCheckingRequestData requestData = m_processingRequest->data(); | |
| 244 if (requestData.sequence() == sequence) { | |
| 245 unsigned markers = 0; | |
| 246 if (requestData.mask() & TextCheckingTypeSpelling) | |
| 247 markers |= DocumentMarker::Spelling; | |
| 248 if (requestData.mask() & TextCheckingTypeGrammar) | |
| 249 markers |= DocumentMarker::Grammar; | |
| 250 if (markers) | |
| 251 m_frame->document()->markers()->removeMarkers(m_processingRequest->c
heckingRange().get(), markers); | |
| 252 } | |
| 253 didCheck(sequence, results); | |
| 254 } | |
| 255 | |
| 256 void SpellChecker::didCheckCancel(int sequence) | |
| 257 { | |
| 258 Vector<TextCheckingResult> results; | |
| 259 didCheck(sequence, results); | |
| 260 } | |
| 261 | |
| 262 } // namespace WebCore | |
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Chromium Code Reviews
Issue 22475010:
Copy SpellChecker.{cpp,h} to SpellCheckRequester.{cpp.h} (Closed)
Base URL: svn://svn.chromium.org/blink/trunk