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1 /* | 1 /* |
2 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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41 , m_asyncEventQueue(GenericEventQueue::create(this)) | 41 , m_asyncEventQueue(GenericEventQueue::create(this)) |
42 { | 42 { |
43 ScriptWrappable::init(this); | 43 ScriptWrappable::init(this); |
44 } | 44 } |
45 | 45 |
46 TextTrackList::~TextTrackList() | 46 TextTrackList::~TextTrackList() |
47 { | 47 { |
48 ASSERT(!m_owner); | 48 ASSERT(!m_owner); |
49 | 49 |
50 m_asyncEventQueue->close(); | 50 m_asyncEventQueue->close(); |
51 | 51 #if !ENABLE(OILPAN) |
52 for (unsigned i = 0; i < length(); ++i) { | 52 for (unsigned i = 0; i < length(); ++i) { |
53 item(i)->setTrackList(0); | 53 item(i)->setTrackList(0); |
54 } | 54 } |
| 55 #endif |
55 } | 56 } |
56 | 57 |
57 unsigned TextTrackList::length() const | 58 unsigned TextTrackList::length() const |
58 { | 59 { |
59 return m_addTrackTracks.size() + m_elementTracks.size() + m_inbandTracks.siz
e(); | 60 return m_addTrackTracks.size() + m_elementTracks.size() + m_inbandTracks.siz
e(); |
60 } | 61 } |
61 | 62 |
62 int TextTrackList::getTrackIndex(TextTrack *textTrack) | 63 int TextTrackList::getTrackIndex(TextTrack *textTrack) |
63 { | 64 { |
64 if (textTrack->trackType() == TextTrack::TrackElement) | 65 if (textTrack->trackType() == TextTrack::TrackElement) |
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146 if (track->id() == id) | 147 if (track->id() == id) |
147 return track; | 148 return track; |
148 } | 149 } |
149 | 150 |
150 // When no tracks match the given argument, the method must return null. | 151 // When no tracks match the given argument, the method must return null. |
151 return 0; | 152 return 0; |
152 } | 153 } |
153 | 154 |
154 void TextTrackList::invalidateTrackIndexesAfterTrack(TextTrack* track) | 155 void TextTrackList::invalidateTrackIndexesAfterTrack(TextTrack* track) |
155 { | 156 { |
156 Vector<RefPtr<TextTrack> >* tracks = 0; | 157 WillBeHeapVector<RefPtrWillBeMember<TextTrack> >* tracks = 0; |
157 | 158 |
158 if (track->trackType() == TextTrack::TrackElement) { | 159 if (track->trackType() == TextTrack::TrackElement) { |
159 tracks = &m_elementTracks; | 160 tracks = &m_elementTracks; |
160 for (size_t i = 0; i < m_addTrackTracks.size(); ++i) | 161 for (size_t i = 0; i < m_addTrackTracks.size(); ++i) |
161 m_addTrackTracks[i]->invalidateTrackIndex(); | 162 m_addTrackTracks[i]->invalidateTrackIndex(); |
162 for (size_t i = 0; i < m_inbandTracks.size(); ++i) | 163 for (size_t i = 0; i < m_inbandTracks.size(); ++i) |
163 m_inbandTracks[i]->invalidateTrackIndex(); | 164 m_inbandTracks[i]->invalidateTrackIndex(); |
164 } else if (track->trackType() == TextTrack::AddTrack) { | 165 } else if (track->trackType() == TextTrack::AddTrack) { |
165 tracks = &m_addTrackTracks; | 166 tracks = &m_addTrackTracks; |
166 for (size_t i = 0; i < m_inbandTracks.size(); ++i) | 167 for (size_t i = 0; i < m_inbandTracks.size(); ++i) |
167 m_inbandTracks[i]->invalidateTrackIndex(); | 168 m_inbandTracks[i]->invalidateTrackIndex(); |
168 } else if (track->trackType() == TextTrack::InBand) | 169 } else if (track->trackType() == TextTrack::InBand) |
169 tracks = &m_inbandTracks; | 170 tracks = &m_inbandTracks; |
170 else | 171 else |
171 ASSERT_NOT_REACHED(); | 172 ASSERT_NOT_REACHED(); |
172 | 173 |
173 size_t index = tracks->find(track); | 174 size_t index = tracks->find(track); |
174 if (index == kNotFound) | 175 if (index == kNotFound) |
175 return; | 176 return; |
176 | 177 |
177 for (size_t i = index; i < tracks->size(); ++i) | 178 for (size_t i = index; i < tracks->size(); ++i) |
178 tracks->at(index)->invalidateTrackIndex(); | 179 tracks->at(index)->invalidateTrackIndex(); |
179 } | 180 } |
180 | 181 |
181 void TextTrackList::append(PassRefPtr<TextTrack> prpTrack) | 182 void TextTrackList::append(PassRefPtrWillBeRawPtr<TextTrack> prpTrack) |
182 { | 183 { |
183 RefPtr<TextTrack> track = prpTrack; | 184 RefPtrWillBeRawPtr<TextTrack> track = prpTrack; |
184 | 185 |
185 if (track->trackType() == TextTrack::AddTrack) | 186 if (track->trackType() == TextTrack::AddTrack) |
186 m_addTrackTracks.append(track); | 187 m_addTrackTracks.append(track); |
187 else if (track->trackType() == TextTrack::TrackElement) { | 188 else if (track->trackType() == TextTrack::TrackElement) { |
188 // Insert tracks added for <track> element in tree order. | 189 // Insert tracks added for <track> element in tree order. |
189 size_t index = static_cast<LoadableTextTrack*>(track.get())->trackElemen
tIndex(); | 190 size_t index = static_cast<LoadableTextTrack*>(track.get())->trackElemen
tIndex(); |
190 m_elementTracks.insert(index, track); | 191 m_elementTracks.insert(index, track); |
191 } else if (track->trackType() == TextTrack::InBand) { | 192 } else if (track->trackType() == TextTrack::InBand) { |
192 // Insert tracks added for in-band in the media file order. | 193 // Insert tracks added for in-band in the media file order. |
193 size_t index = static_cast<InbandTextTrack*>(track.get())->inbandTrackIn
dex(); | 194 size_t index = static_cast<InbandTextTrack*>(track.get())->inbandTrackIn
dex(); |
194 m_inbandTracks.insert(index, track); | 195 m_inbandTracks.insert(index, track); |
195 } else | 196 } else |
196 ASSERT_NOT_REACHED(); | 197 ASSERT_NOT_REACHED(); |
197 | 198 |
198 invalidateTrackIndexesAfterTrack(track.get()); | 199 invalidateTrackIndexesAfterTrack(track.get()); |
199 | 200 |
200 ASSERT(!track->trackList()); | 201 ASSERT(!track->trackList()); |
201 track->setTrackList(this); | 202 track->setTrackList(this); |
202 | 203 |
203 scheduleAddTrackEvent(track.release()); | 204 scheduleAddTrackEvent(track.release()); |
204 } | 205 } |
205 | 206 |
206 void TextTrackList::remove(TextTrack* track) | 207 void TextTrackList::remove(TextTrack* track) |
207 { | 208 { |
208 Vector<RefPtr<TextTrack> >* tracks = 0; | 209 WillBeHeapVector<RefPtrWillBeMember<TextTrack> >* tracks = 0; |
209 | 210 |
210 if (track->trackType() == TextTrack::TrackElement) { | 211 if (track->trackType() == TextTrack::TrackElement) { |
211 tracks = &m_elementTracks; | 212 tracks = &m_elementTracks; |
212 } else if (track->trackType() == TextTrack::AddTrack) { | 213 } else if (track->trackType() == TextTrack::AddTrack) { |
213 tracks = &m_addTrackTracks; | 214 tracks = &m_addTrackTracks; |
214 } else if (track->trackType() == TextTrack::InBand) { | 215 } else if (track->trackType() == TextTrack::InBand) { |
215 tracks = &m_inbandTracks; | 216 tracks = &m_inbandTracks; |
216 } else { | 217 } else { |
217 ASSERT_NOT_REACHED(); | 218 ASSERT_NOT_REACHED(); |
218 } | 219 } |
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234 void TextTrackList::removeAllInbandTracks() | 235 void TextTrackList::removeAllInbandTracks() |
235 { | 236 { |
236 for (unsigned i = 0; i < m_inbandTracks.size(); ++i) { | 237 for (unsigned i = 0; i < m_inbandTracks.size(); ++i) { |
237 m_inbandTracks[i]->setTrackList(0); | 238 m_inbandTracks[i]->setTrackList(0); |
238 } | 239 } |
239 m_inbandTracks.clear(); | 240 m_inbandTracks.clear(); |
240 } | 241 } |
241 | 242 |
242 bool TextTrackList::contains(TextTrack* track) const | 243 bool TextTrackList::contains(TextTrack* track) const |
243 { | 244 { |
244 const Vector<RefPtr<TextTrack> >* tracks = 0; | 245 const WillBeHeapVector<RefPtrWillBeMember<TextTrack> >* tracks = 0; |
245 | 246 |
246 if (track->trackType() == TextTrack::TrackElement) | 247 if (track->trackType() == TextTrack::TrackElement) |
247 tracks = &m_elementTracks; | 248 tracks = &m_elementTracks; |
248 else if (track->trackType() == TextTrack::AddTrack) | 249 else if (track->trackType() == TextTrack::AddTrack) |
249 tracks = &m_addTrackTracks; | 250 tracks = &m_addTrackTracks; |
250 else if (track->trackType() == TextTrack::InBand) | 251 else if (track->trackType() == TextTrack::InBand) |
251 tracks = &m_inbandTracks; | 252 tracks = &m_inbandTracks; |
252 else | 253 else |
253 ASSERT_NOT_REACHED(); | 254 ASSERT_NOT_REACHED(); |
254 | 255 |
255 return tracks->find(track) != kNotFound; | 256 return tracks->find(track) != kNotFound; |
256 } | 257 } |
257 | 258 |
258 const AtomicString& TextTrackList::interfaceName() const | 259 const AtomicString& TextTrackList::interfaceName() const |
259 { | 260 { |
260 return EventTargetNames::TextTrackList; | 261 return EventTargetNames::TextTrackList; |
261 } | 262 } |
262 | 263 |
263 ExecutionContext* TextTrackList::executionContext() const | 264 ExecutionContext* TextTrackList::executionContext() const |
264 { | 265 { |
265 ASSERT(m_owner); | 266 ASSERT(m_owner); |
266 return m_owner->executionContext(); | 267 return m_owner->executionContext(); |
267 } | 268 } |
268 | 269 |
269 void TextTrackList::clearOwner() | 270 void TextTrackList::clearOwner() |
270 { | 271 { |
271 m_owner = 0; | 272 m_owner = 0; |
272 } | 273 } |
273 | 274 |
274 void TextTrackList::scheduleTrackEvent(const AtomicString& eventName, PassRefPtr
<TextTrack> track) | 275 void TextTrackList::scheduleTrackEvent(const AtomicString& eventName, PassRefPtr
WillBeRawPtr<TextTrack> track) |
275 { | 276 { |
276 TrackEventInit initializer; | 277 TrackEventInit initializer; |
277 initializer.track = track; | 278 initializer.track = track; |
278 initializer.bubbles = false; | 279 initializer.bubbles = false; |
279 initializer.cancelable = false; | 280 initializer.cancelable = false; |
280 | 281 |
281 m_asyncEventQueue->enqueueEvent(TrackEvent::create(eventName, initializer)); | 282 m_asyncEventQueue->enqueueEvent(TrackEvent::create(eventName, initializer)); |
282 } | 283 } |
283 | 284 |
284 void TextTrackList::scheduleAddTrackEvent(PassRefPtr<TextTrack> track) | 285 void TextTrackList::scheduleAddTrackEvent(PassRefPtrWillBeRawPtr<TextTrack> trac
k) |
285 { | 286 { |
286 // 4.8.10.12.3 Sourcing out-of-band text tracks | 287 // 4.8.10.12.3 Sourcing out-of-band text tracks |
287 // 4.8.10.12.4 Text track API | 288 // 4.8.10.12.4 Text track API |
288 // ... then queue a task to fire an event with the name addtrack, that does
not | 289 // ... then queue a task to fire an event with the name addtrack, that does
not |
289 // bubble and is not cancelable, and that uses the TrackEvent interface, wit
h | 290 // bubble and is not cancelable, and that uses the TrackEvent interface, wit
h |
290 // the track attribute initialized to the text track's TextTrack object, at | 291 // the track attribute initialized to the text track's TextTrack object, at |
291 // the media element's textTracks attribute's TextTrackList object. | 292 // the media element's textTracks attribute's TextTrackList object. |
292 scheduleTrackEvent(EventTypeNames::addtrack, track); | 293 scheduleTrackEvent(EventTypeNames::addtrack, track); |
293 } | 294 } |
294 | 295 |
295 void TextTrackList::scheduleChangeEvent() | 296 void TextTrackList::scheduleChangeEvent() |
296 { | 297 { |
297 // 4.8.10.12.1 Text track model | 298 // 4.8.10.12.1 Text track model |
298 // Whenever a text track that is in a media element's list of text tracks | 299 // Whenever a text track that is in a media element's list of text tracks |
299 // has its text track mode change value, the user agent must run the | 300 // has its text track mode change value, the user agent must run the |
300 // following steps for the media element: | 301 // following steps for the media element: |
301 // ... | 302 // ... |
302 // Fire a simple event named change at the media element's textTracks | 303 // Fire a simple event named change at the media element's textTracks |
303 // attribute's TextTrackList object. | 304 // attribute's TextTrackList object. |
304 | 305 |
305 EventInit initializer; | 306 EventInit initializer; |
306 initializer.bubbles = false; | 307 initializer.bubbles = false; |
307 initializer.cancelable = false; | 308 initializer.cancelable = false; |
308 | 309 |
309 m_asyncEventQueue->enqueueEvent(Event::create(EventTypeNames::change, initia
lizer)); | 310 m_asyncEventQueue->enqueueEvent(Event::create(EventTypeNames::change, initia
lizer)); |
310 } | 311 } |
311 | 312 |
312 void TextTrackList::scheduleRemoveTrackEvent(PassRefPtr<TextTrack> track) | 313 void TextTrackList::scheduleRemoveTrackEvent(PassRefPtrWillBeRawPtr<TextTrack> t
rack) |
313 { | 314 { |
314 // 4.8.10.12.3 Sourcing out-of-band text tracks | 315 // 4.8.10.12.3 Sourcing out-of-band text tracks |
315 // When a track element's parent element changes and the old parent was a | 316 // When a track element's parent element changes and the old parent was a |
316 // media element, then the user agent must remove the track element's | 317 // media element, then the user agent must remove the track element's |
317 // corresponding text track from the media element's list of text tracks, | 318 // corresponding text track from the media element's list of text tracks, |
318 // and then queue a task to fire a trusted event with the name removetrack, | 319 // and then queue a task to fire a trusted event with the name removetrack, |
319 // that does not bubble and is not cancelable, and that uses the TrackEvent | 320 // that does not bubble and is not cancelable, and that uses the TrackEvent |
320 // interface, with the track attribute initialized to the text track's | 321 // interface, with the track attribute initialized to the text track's |
321 // TextTrack object, at the media element's textTracks attribute's | 322 // TextTrack object, at the media element's textTracks attribute's |
322 // TextTrackList object. | 323 // TextTrackList object. |
323 scheduleTrackEvent(EventTypeNames::removetrack, track); | 324 scheduleTrackEvent(EventTypeNames::removetrack, track); |
324 } | 325 } |
325 | 326 |
326 HTMLMediaElement* TextTrackList::owner() const | 327 HTMLMediaElement* TextTrackList::owner() const |
327 { | 328 { |
328 return m_owner; | 329 return m_owner; |
329 } | 330 } |
| 331 |
| 332 void TextTrackList::trace(Visitor* visitor) |
| 333 { |
| 334 visitor->trace(m_addTrackTracks); |
| 335 visitor->trace(m_elementTracks); |
| 336 visitor->trace(m_inbandTracks); |
| 337 } |
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