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Side by Side Diff: Source/core/dom/NodeListsNodeData.h

Issue 390043003: Move NodeListsNodeData class out of NodeRareData.h (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2008, 2010 Apple Inc. All rights reserved. 2 * Copyright (C) 2008, 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 David Smith <catfish.man@gmail.com> 3 * Copyright (C) 2008 David Smith <catfish.man@gmail.com>
4 * 4 *
5 * This library is free software; you can redistribute it and/or 5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public 6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either 7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version. 8 * version 2 of the License, or (at your option) any later version.
9 * 9 *
10 * This library is distributed in the hope that it will be useful, 10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details. 13 * Library General Public License for more details.
14 * 14 *
15 * You should have received a copy of the GNU Library General Public License 15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to 16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA. 18 * Boston, MA 02110-1301, USA.
19 * 19 *
20 */ 20 */
21 21
22 #ifndef NodeRareData_h 22 #ifndef NodeListsNodeData_h
23 #define NodeRareData_h 23 #define NodeListsNodeData_h
24 24
25 #include "core/dom/ChildNodeList.h" 25 #include "core/dom/ChildNodeList.h"
26 #include "core/dom/EmptyNodeList.h" 26 #include "core/dom/EmptyNodeList.h"
27 #include "core/dom/LiveNodeList.h"
28 #include "core/dom/MutationObserverRegistration.h"
29 #include "core/dom/QualifiedName.h" 27 #include "core/dom/QualifiedName.h"
30 #include "core/dom/TagCollection.h" 28 #include "core/dom/TagCollection.h"
29 #include "core/html/CollectionType.h"
31 #include "platform/heap/Handle.h" 30 #include "platform/heap/Handle.h"
32 #include "wtf/HashSet.h"
33 #include "wtf/OwnPtr.h"
34 #include "wtf/PassOwnPtr.h"
35 #include "wtf/text/AtomicString.h" 31 #include "wtf/text/AtomicString.h"
36 #include "wtf/text/StringHash.h" 32 #include "wtf/text/StringHash.h"
37 33
38 namespace WebCore { 34 namespace WebCore {
39 35
40 class NodeListsNodeData FINAL : public NoBaseWillBeGarbageCollectedFinalized<Nod eListsNodeData> { 36 class NodeListsNodeData FINAL : public NoBaseWillBeGarbageCollectedFinalized<Nod eListsNodeData> {
41 WTF_MAKE_NONCOPYABLE(NodeListsNodeData); 37 WTF_MAKE_NONCOPYABLE(NodeListsNodeData);
42 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED; 38 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
43 public: 39 public:
44 void clearChildNodeListCache() 40 void clearChildNodeListCache()
(...skipping 177 matching lines...) Expand 10 before | Expand all | Expand 10 after
222 #if !ENABLE(OILPAN) 218 #if !ENABLE(OILPAN)
223 bool deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(Node&); 219 bool deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(Node&);
224 #endif 220 #endif
225 221
226 // Can be a ChildNodeList or an EmptyNodeList. 222 // Can be a ChildNodeList or an EmptyNodeList.
227 RawPtrWillBeWeakMember<NodeList> m_childNodeList; 223 RawPtrWillBeWeakMember<NodeList> m_childNodeList;
228 NodeListAtomicNameCacheMap m_atomicNameCaches; 224 NodeListAtomicNameCacheMap m_atomicNameCaches;
229 TagCollectionCacheNS m_tagCollectionCacheNS; 225 TagCollectionCacheNS m_tagCollectionCacheNS;
230 }; 226 };
231 227
232 class NodeMutationObserverData FINAL : public NoBaseWillBeGarbageCollected<NodeM utationObserverData> {
233 WTF_MAKE_NONCOPYABLE(NodeMutationObserverData);
234 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
235 public:
236 WillBeHeapVector<OwnPtrWillBeMember<MutationObserverRegistration> > registry ;
237 WillBeHeapHashSet<RawPtrWillBeMember<MutationObserverRegistration> > transie ntRegistry;
238
239 static PassOwnPtrWillBeRawPtr<NodeMutationObserverData> create()
240 {
241 return adoptPtrWillBeNoop(new NodeMutationObserverData);
242 }
243
244 void trace(Visitor* visitor)
245 {
246 visitor->trace(registry);
247 visitor->trace(transientRegistry);
248 }
249
250 private:
251 NodeMutationObserverData() { }
252 };
253
254 class NodeRareData : public NoBaseWillBeGarbageCollectedFinalized<NodeRareData>, public NodeRareDataBase {
255 WTF_MAKE_NONCOPYABLE(NodeRareData);
256 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
257 public:
258 static NodeRareData* create(RenderObject* renderer)
259 {
260 return new NodeRareData(renderer);
261 }
262
263 void clearNodeLists() { m_nodeLists.clear(); }
264 NodeListsNodeData* nodeLists() const { return m_nodeLists.get(); }
265 NodeListsNodeData& ensureNodeLists()
266 {
267 if (!m_nodeLists)
268 m_nodeLists = NodeListsNodeData::create();
269 return *m_nodeLists;
270 }
271
272 NodeMutationObserverData* mutationObserverData() { return m_mutationObserver Data.get(); }
273 NodeMutationObserverData& ensureMutationObserverData()
274 {
275 if (!m_mutationObserverData)
276 m_mutationObserverData = NodeMutationObserverData::create();
277 return *m_mutationObserverData;
278 }
279
280 unsigned connectedSubframeCount() const { return m_connectedFrameCount; }
281 void incrementConnectedSubframeCount(unsigned amount)
282 {
283 m_connectedFrameCount += amount;
284 }
285 void decrementConnectedSubframeCount(unsigned amount)
286 {
287 ASSERT(m_connectedFrameCount);
288 ASSERT(amount <= m_connectedFrameCount);
289 m_connectedFrameCount -= amount;
290 }
291
292 bool hasElementFlag(ElementFlags mask) const { return m_elementFlags & mask; }
293 void setElementFlag(ElementFlags mask, bool value) { m_elementFlags = (m_ele mentFlags & ~mask) | (-(int32_t)value & mask); }
294 void clearElementFlag(ElementFlags mask) { m_elementFlags &= ~mask; }
295
296 bool hasRestyleFlag(DynamicRestyleFlags mask) const { return m_restyleFlags & mask; }
297 void setRestyleFlag(DynamicRestyleFlags mask) { m_restyleFlags |= mask; RELE ASE_ASSERT(m_restyleFlags); }
298 bool hasRestyleFlags() const { return m_restyleFlags; }
299 void clearRestyleFlags() { m_restyleFlags = 0; }
300
301 enum {
302 ConnectedFrameCountBits = 10, // Must fit Page::maxNumberOfFrames.
303 };
304
305 void trace(Visitor*);
306
307 void traceAfterDispatch(Visitor*);
308 void finalizeGarbageCollectedObject();
309
310 protected:
311 explicit NodeRareData(RenderObject* renderer)
312 : NodeRareDataBase(renderer)
313 , m_connectedFrameCount(0)
314 , m_elementFlags(0)
315 , m_restyleFlags(0)
316 , m_isElementRareData(false)
317 { }
318
319 private:
320 OwnPtrWillBeMember<NodeListsNodeData> m_nodeLists;
321 OwnPtrWillBeMember<NodeMutationObserverData> m_mutationObserverData;
322
323 unsigned m_connectedFrameCount : ConnectedFrameCountBits;
324 unsigned m_elementFlags : NumberOfElementFlags;
325 unsigned m_restyleFlags : NumberOfDynamicRestyleFlags;
326 protected:
327 unsigned m_isElementRareData : 1;
328 };
329
330 #if !ENABLE(OILPAN) 228 #if !ENABLE(OILPAN)
331 inline bool NodeListsNodeData::deleteThisAndUpdateNodeRareDataIfAboutToRemoveLas tList(Node& ownerNode) 229 inline bool NodeListsNodeData::deleteThisAndUpdateNodeRareDataIfAboutToRemoveLas tList(Node& ownerNode)
332 { 230 {
333 ASSERT(ownerNode.nodeLists() == this); 231 ASSERT(ownerNode.nodeLists() == this);
334 if ((m_childNodeList ? 1 : 0) + m_atomicNameCaches.size() + m_tagCollectionC acheNS.size() != 1) 232 if ((m_childNodeList ? 1 : 0) + m_atomicNameCaches.size() + m_tagCollectionC acheNS.size() != 1)
335 return false; 233 return false;
336 ownerNode.clearNodeLists(); 234 ownerNode.clearNodeLists();
337 return true; 235 return true;
338 } 236 }
339 #endif 237 #endif
340 238
341 } // namespace WebCore 239 } // namespace WebCore
342 240
343 #endif // NodeRareData_h 241 #endif // NodeListsNodeData_h
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