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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google 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 are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Neither the name of Google Inc. nor the names of its | 10 * * Neither the name of Google Inc. nor the names of its |
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29 #include "bindings/core/v8/ExceptionState.h" | 29 #include "bindings/core/v8/ExceptionState.h" |
30 #include "core/css/StyleSheetList.h" | 30 #include "core/css/StyleSheetList.h" |
31 #include "core/css/resolver/StyleResolver.h" | 31 #include "core/css/resolver/StyleResolver.h" |
32 #include "core/css/resolver/StyleSharingDepthScope.h" | 32 #include "core/css/resolver/StyleSharingDepthScope.h" |
33 #include "core/dom/ElementTraversal.h" | 33 #include "core/dom/ElementTraversal.h" |
34 #include "core/dom/StyleEngine.h" | 34 #include "core/dom/StyleEngine.h" |
35 #include "core/dom/Text.h" | 35 #include "core/dom/Text.h" |
36 #include "core/dom/shadow/ElementShadow.h" | 36 #include "core/dom/shadow/ElementShadow.h" |
37 #include "core/dom/shadow/InsertionPoint.h" | 37 #include "core/dom/shadow/InsertionPoint.h" |
38 #include "core/dom/shadow/ShadowRootRareData.h" | 38 #include "core/dom/shadow/ShadowRootRareData.h" |
39 #include "core/dom/shadow/ShadowRootRareDataV0.h" | |
39 #include "core/editing/serializers/Serialization.h" | 40 #include "core/editing/serializers/Serialization.h" |
40 #include "core/html/HTMLShadowElement.h" | 41 #include "core/html/HTMLShadowElement.h" |
41 #include "public/platform/Platform.h" | 42 #include "public/platform/Platform.h" |
42 | 43 |
43 namespace blink { | 44 namespace blink { |
44 | 45 |
45 struct SameSizeAsShadowRoot : public DocumentFragment, public TreeScope, public DoublyLinkedListNode<ShadowRoot> { | 46 struct SameSizeAsShadowRoot : public DocumentFragment, public TreeScope, public DoublyLinkedListNode<ShadowRoot> { |
46 char emptyClassFieldsDueToGCMixinMarker[1]; | 47 char emptyClassFieldsDueToGCMixinMarker[1]; |
47 Member<void*> willbeMember[4]; | 48 Member<void*> willbeMember[5]; |
48 unsigned countersAndFlags[1]; | 49 unsigned countersAndFlags[1]; |
49 }; | 50 }; |
50 | 51 |
51 static_assert(sizeof(ShadowRoot) == sizeof(SameSizeAsShadowRoot), "ShadowRoot sh ould stay small"); | 52 static_assert(sizeof(ShadowRoot) == sizeof(SameSizeAsShadowRoot), "ShadowRoot sh ould stay small"); |
52 | 53 |
53 ShadowRoot::ShadowRoot(Document& document, ShadowRootType type) | 54 ShadowRoot::ShadowRoot(Document& document, ShadowRootType type) |
54 : DocumentFragment(0, CreateShadowRoot) | 55 : DocumentFragment(0, CreateShadowRoot) |
55 , TreeScope(*this, document) | 56 , TreeScope(*this, document) |
56 , m_prev(nullptr) | 57 , m_prev(nullptr) |
57 , m_next(nullptr) | 58 , m_next(nullptr) |
59 , m_shadowRootRareData(nullptr) | |
tkent
2016/04/21 05:46:01
You don't need to initialize Member<T> with nullpt
hayato
2016/04/21 06:33:27
Done
| |
60 , m_shadowRootRareDataV0(nullptr) | |
58 , m_slotAssignment(nullptr) | 61 , m_slotAssignment(nullptr) |
59 , m_numberOfStyles(0) | 62 , m_numberOfStyles(0) |
60 , m_type(static_cast<unsigned>(type)) | 63 , m_type(static_cast<unsigned>(type)) |
61 , m_registeredWithParentShadowRoot(false) | 64 , m_registeredWithParentShadowRoot(false) |
62 , m_descendantInsertionPointsIsValid(false) | 65 , m_descendantInsertionPointsIsValid(false) |
63 , m_delegatesFocus(false) | 66 , m_delegatesFocus(false) |
64 , m_descendantSlotsIsValid(false) | 67 , m_descendantSlotsIsValid(false) |
65 { | 68 { |
66 } | 69 } |
67 | 70 |
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187 | 190 |
188 ShadowRootRareData* ShadowRoot::ensureShadowRootRareData() | 191 ShadowRootRareData* ShadowRoot::ensureShadowRootRareData() |
189 { | 192 { |
190 if (m_shadowRootRareData) | 193 if (m_shadowRootRareData) |
191 return m_shadowRootRareData.get(); | 194 return m_shadowRootRareData.get(); |
192 | 195 |
193 m_shadowRootRareData = new ShadowRootRareData; | 196 m_shadowRootRareData = new ShadowRootRareData; |
194 return m_shadowRootRareData.get(); | 197 return m_shadowRootRareData.get(); |
195 } | 198 } |
196 | 199 |
200 ShadowRootRareDataV0* ShadowRoot::ensureShadowRootRareDataV0() | |
201 { | |
202 if (m_shadowRootRareDataV0) | |
203 return m_shadowRootRareDataV0.get(); | |
204 | |
205 m_shadowRootRareDataV0 = new ShadowRootRareDataV0; | |
206 return m_shadowRootRareDataV0.get(); | |
207 } | |
208 | |
197 bool ShadowRoot::containsShadowElements() const | 209 bool ShadowRoot::containsShadowElements() const |
198 { | 210 { |
199 return m_shadowRootRareData ? m_shadowRootRareData->containsShadowElements() : 0; | 211 return m_shadowRootRareDataV0 ? m_shadowRootRareDataV0->containsShadowElemen ts() : 0; |
tkent
2016/04/21 05:46:01
0 -> false?
hayato
2016/04/21 06:33:27
Done
| |
200 } | 212 } |
201 | 213 |
202 bool ShadowRoot::containsContentElements() const | 214 bool ShadowRoot::containsContentElements() const |
203 { | 215 { |
204 return m_shadowRootRareData ? m_shadowRootRareData->containsContentElements( ) : 0; | 216 return m_shadowRootRareDataV0 ? m_shadowRootRareDataV0->containsContentEleme nts() : 0; |
tkent
2016/04/21 05:46:01
0 -> false?
hayato
2016/04/21 06:33:27
Done
| |
205 } | 217 } |
206 | 218 |
207 bool ShadowRoot::containsShadowRoots() const | 219 bool ShadowRoot::containsShadowRoots() const |
208 { | 220 { |
209 return m_shadowRootRareData ? m_shadowRootRareData->containsShadowRoots() : 0; | 221 return m_shadowRootRareData ? m_shadowRootRareData->containsShadowRoots() : 0; |
210 } | 222 } |
211 | 223 |
212 unsigned ShadowRoot::descendantShadowElementCount() const | 224 unsigned ShadowRoot::descendantShadowElementCount() const |
213 { | 225 { |
214 return m_shadowRootRareData ? m_shadowRootRareData->descendantShadowElementC ount() : 0; | 226 return m_shadowRootRareDataV0 ? m_shadowRootRareDataV0->descendantShadowElem entCount() : 0; |
215 } | 227 } |
216 | 228 |
217 HTMLShadowElement* ShadowRoot::shadowInsertionPointOfYoungerShadowRoot() const | 229 HTMLShadowElement* ShadowRoot::shadowInsertionPointOfYoungerShadowRoot() const |
218 { | 230 { |
219 return m_shadowRootRareData ? m_shadowRootRareData->shadowInsertionPointOfYo ungerShadowRoot() : 0; | 231 return m_shadowRootRareDataV0 ? m_shadowRootRareDataV0->shadowInsertionPoint OfYoungerShadowRoot() : 0; |
tkent
2016/04/21 05:46:00
0 -> nullptr?
hayato
2016/04/21 06:33:27
Done
| |
220 } | 232 } |
221 | 233 |
222 void ShadowRoot::setShadowInsertionPointOfYoungerShadowRoot(HTMLShadowElement* s hadowInsertionPoint) | 234 void ShadowRoot::setShadowInsertionPointOfYoungerShadowRoot(HTMLShadowElement* s hadowInsertionPoint) |
223 { | 235 { |
224 if (!m_shadowRootRareData && !shadowInsertionPoint) | 236 if (!m_shadowRootRareDataV0 && !shadowInsertionPoint) |
225 return; | 237 return; |
226 ensureShadowRootRareData()->setShadowInsertionPointOfYoungerShadowRoot(shado wInsertionPoint); | 238 ensureShadowRootRareDataV0()->setShadowInsertionPointOfYoungerShadowRoot(sha dowInsertionPoint); |
227 } | 239 } |
228 | 240 |
229 void ShadowRoot::didAddInsertionPoint(InsertionPoint* insertionPoint) | 241 void ShadowRoot::didAddInsertionPoint(InsertionPoint* insertionPoint) |
230 { | 242 { |
231 ensureShadowRootRareData()->didAddInsertionPoint(insertionPoint); | 243 ensureShadowRootRareDataV0()->didAddInsertionPoint(insertionPoint); |
232 invalidateDescendantInsertionPoints(); | 244 invalidateDescendantInsertionPoints(); |
233 } | 245 } |
234 | 246 |
235 void ShadowRoot::didRemoveInsertionPoint(InsertionPoint* insertionPoint) | 247 void ShadowRoot::didRemoveInsertionPoint(InsertionPoint* insertionPoint) |
236 { | 248 { |
237 m_shadowRootRareData->didRemoveInsertionPoint(insertionPoint); | 249 m_shadowRootRareDataV0->didRemoveInsertionPoint(insertionPoint); |
238 invalidateDescendantInsertionPoints(); | 250 invalidateDescendantInsertionPoints(); |
239 } | 251 } |
240 | 252 |
241 void ShadowRoot::addChildShadowRoot() | 253 void ShadowRoot::addChildShadowRoot() |
242 { | 254 { |
243 ensureShadowRootRareData()->didAddChildShadowRoot(); | 255 ensureShadowRootRareData()->didAddChildShadowRoot(); |
244 } | 256 } |
245 | 257 |
246 void ShadowRoot::removeChildShadowRoot() | 258 void ShadowRoot::removeChildShadowRoot() |
247 { | 259 { |
248 // FIXME: Why isn't this an ASSERT? | 260 // FIXME: Why isn't this an ASSERT? |
249 if (!m_shadowRootRareData) | 261 if (!m_shadowRootRareData) |
250 return; | 262 return; |
251 m_shadowRootRareData->didRemoveChildShadowRoot(); | 263 m_shadowRootRareData->didRemoveChildShadowRoot(); |
252 } | 264 } |
253 | 265 |
254 unsigned ShadowRoot::childShadowRootCount() const | 266 unsigned ShadowRoot::childShadowRootCount() const |
255 { | 267 { |
256 return m_shadowRootRareData ? m_shadowRootRareData->childShadowRootCount() : 0; | 268 return m_shadowRootRareData ? m_shadowRootRareData->childShadowRootCount() : 0; |
257 } | 269 } |
258 | 270 |
259 void ShadowRoot::invalidateDescendantInsertionPoints() | 271 void ShadowRoot::invalidateDescendantInsertionPoints() |
260 { | 272 { |
261 m_descendantInsertionPointsIsValid = false; | 273 m_descendantInsertionPointsIsValid = false; |
262 m_shadowRootRareData->clearDescendantInsertionPoints(); | 274 m_shadowRootRareDataV0->clearDescendantInsertionPoints(); |
263 } | 275 } |
264 | 276 |
265 const HeapVector<Member<InsertionPoint>>& ShadowRoot::descendantInsertionPoints( ) | 277 const HeapVector<Member<InsertionPoint>>& ShadowRoot::descendantInsertionPoints( ) |
266 { | 278 { |
267 DEFINE_STATIC_LOCAL(HeapVector<Member<InsertionPoint>>, emptyList, (new Heap Vector<Member<InsertionPoint>>)); | 279 DEFINE_STATIC_LOCAL(HeapVector<Member<InsertionPoint>>, emptyList, (new Heap Vector<Member<InsertionPoint>>)); |
268 if (m_shadowRootRareData && m_descendantInsertionPointsIsValid) | 280 if (m_shadowRootRareDataV0 && m_descendantInsertionPointsIsValid) |
269 return m_shadowRootRareData->descendantInsertionPoints(); | 281 return m_shadowRootRareDataV0->descendantInsertionPoints(); |
270 | 282 |
271 m_descendantInsertionPointsIsValid = true; | 283 m_descendantInsertionPointsIsValid = true; |
272 | 284 |
273 if (!containsInsertionPoints()) | 285 if (!containsInsertionPoints()) |
274 return emptyList; | 286 return emptyList; |
275 | 287 |
276 HeapVector<Member<InsertionPoint>> insertionPoints; | 288 HeapVector<Member<InsertionPoint>> insertionPoints; |
277 for (InsertionPoint& insertionPoint : Traversal<InsertionPoint>::descendants Of(*this)) | 289 for (InsertionPoint& insertionPoint : Traversal<InsertionPoint>::descendants Of(*this)) |
278 insertionPoints.append(&insertionPoint); | 290 insertionPoints.append(&insertionPoint); |
279 | 291 |
280 ensureShadowRootRareData()->setDescendantInsertionPoints(insertionPoints); | 292 ensureShadowRootRareDataV0()->setDescendantInsertionPoints(insertionPoints); |
281 | 293 |
282 return m_shadowRootRareData->descendantInsertionPoints(); | 294 return m_shadowRootRareDataV0->descendantInsertionPoints(); |
283 } | 295 } |
284 | 296 |
285 StyleSheetList* ShadowRoot::styleSheets() | 297 StyleSheetList* ShadowRoot::styleSheets() |
286 { | 298 { |
287 if (!ensureShadowRootRareData()->styleSheets()) | 299 if (!ensureShadowRootRareData()->styleSheets()) |
288 m_shadowRootRareData->setStyleSheets(StyleSheetList::create(this)); | 300 m_shadowRootRareData->setStyleSheets(StyleSheetList::create(this)); |
289 | 301 |
290 return m_shadowRootRareData->styleSheets(); | 302 return m_shadowRootRareData->styleSheets(); |
291 } | 303 } |
292 | 304 |
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339 if (!m_slotAssignment) | 351 if (!m_slotAssignment) |
340 m_slotAssignment = SlotAssignment::create(); | 352 m_slotAssignment = SlotAssignment::create(); |
341 m_slotAssignment->resolveAssignment(*this); | 353 m_slotAssignment->resolveAssignment(*this); |
342 } | 354 } |
343 | 355 |
344 DEFINE_TRACE(ShadowRoot) | 356 DEFINE_TRACE(ShadowRoot) |
345 { | 357 { |
346 visitor->trace(m_prev); | 358 visitor->trace(m_prev); |
347 visitor->trace(m_next); | 359 visitor->trace(m_next); |
348 visitor->trace(m_shadowRootRareData); | 360 visitor->trace(m_shadowRootRareData); |
361 visitor->trace(m_shadowRootRareDataV0); | |
349 visitor->trace(m_slotAssignment); | 362 visitor->trace(m_slotAssignment); |
350 TreeScope::trace(visitor); | 363 TreeScope::trace(visitor); |
351 DocumentFragment::trace(visitor); | 364 DocumentFragment::trace(visitor); |
352 } | 365 } |
353 | 366 |
354 } // namespace blink | 367 } // namespace blink |
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