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| 1 /* | |
| 2 * Copyright (C) 2014 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Neither the name of Google Inc. nor the names of its | |
| 11 * contributors may be used to endorse or promote products derived from | |
| 12 * this software without specific prior written permission. | |
| 13 * | |
| 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 25 */ | |
| 26 | |
| 27 #ifndef SKY_ENGINE_CORE_DOM_DOCUMENTSTYLESHEETCOLLECTOR_H_ | |
| 28 #define SKY_ENGINE_CORE_DOM_DOCUMENTSTYLESHEETCOLLECTOR_H_ | |
| 29 | |
| 30 #include "sky/engine/platform/heap/Handle.h" | |
| 31 #include "sky/engine/wtf/HashSet.h" | |
| 32 #include "sky/engine/wtf/RefPtr.h" | |
| 33 #include "sky/engine/wtf/Vector.h" | |
| 34 | |
| 35 namespace blink { | |
| 36 | |
| 37 class Document; | |
| 38 class CSSStyleSheet; | |
| 39 class StyleSheetCollection; | |
| 40 | |
| 41 class DocumentStyleSheetCollector { | |
| 42 // This class contains references to two on-heap collections, therefore | |
| 43 // it's unhealthy to have it anywhere but on the stack, where stack | |
| 44 // scanning will keep them alive. | |
| 45 STACK_ALLOCATED(); | |
| 46 public: | |
| 47 friend class ImportedDocumentStyleSheetCollector; | |
| 48 | |
| 49 DocumentStyleSheetCollector(Vector<RefPtr<CSSStyleSheet> >& sheetsForList, V
ector<RefPtr<CSSStyleSheet> >& activeList, HashSet<RawPtr<Document> >&); | |
| 50 ~DocumentStyleSheetCollector(); | |
| 51 | |
| 52 void appendActiveStyleSheets(const Vector<RefPtr<CSSStyleSheet> >&); | |
| 53 void appendActiveStyleSheet(CSSStyleSheet*); | |
| 54 void appendSheetForList(CSSStyleSheet*); | |
| 55 | |
| 56 bool hasVisited(Document* document) const { return m_visitedDocuments.contai
ns(document); } | |
| 57 void willVisit(Document* document) { m_visitedDocuments.add(document); } | |
| 58 | |
| 59 private: | |
| 60 Vector<RefPtr<CSSStyleSheet> >& m_styleSheetsForStyleSheetList; | |
| 61 Vector<RefPtr<CSSStyleSheet> >& m_activeAuthorStyleSheets; | |
| 62 HashSet<RawPtr<Document> >& m_visitedDocuments; | |
| 63 }; | |
| 64 | |
| 65 class ActiveDocumentStyleSheetCollector final : public DocumentStyleSheetCollect
or { | |
| 66 public: | |
| 67 ActiveDocumentStyleSheetCollector(StyleSheetCollection&); | |
| 68 private: | |
| 69 HashSet<RawPtr<Document> > m_visitedDocuments; | |
| 70 }; | |
| 71 | |
| 72 class ImportedDocumentStyleSheetCollector final : public DocumentStyleSheetColle
ctor { | |
| 73 public: | |
| 74 ImportedDocumentStyleSheetCollector(DocumentStyleSheetCollector&, Vector<Ref
Ptr<CSSStyleSheet> >&); | |
| 75 }; | |
| 76 | |
| 77 } // namespace blink | |
| 78 | |
| 79 #endif // SKY_ENGINE_CORE_DOM_DOCUMENTSTYLESHEETCOLLECTOR_H_ | |
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Chromium Code Reviews
Issue 803673003:
Delete StyleSheetList and support code. (Closed)
Base URL: git@github.com:domokit/mojo.git@master