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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ActiveStyleSheets_h | 5 #ifndef ActiveStyleSheets_h |
6 #define ActiveStyleSheets_h | 6 #define ActiveStyleSheets_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "platform/heap/HeapAllocator.h" | 9 #include "platform/heap/HeapAllocator.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
13 class CSSStyleSheet; | 13 class CSSStyleSheet; |
14 class RuleSet; | 14 class RuleSet; |
| 15 class StyleEngine; |
| 16 class TreeScope; |
15 | 17 |
16 using ActiveStyleSheetVector = | 18 using ActiveStyleSheet = std::pair<Member<CSSStyleSheet>, Member<RuleSet>>; |
17 HeapVector<std::pair<Member<CSSStyleSheet>, Member<RuleSet>>>; | 19 using ActiveStyleSheetVector = HeapVector<ActiveStyleSheet>; |
18 | 20 |
19 enum ActiveSheetsChange { | 21 enum ActiveSheetsChange { |
20 NoActiveSheetsChanged, // Nothing changed. | 22 NoActiveSheetsChanged, // Nothing changed. |
21 ActiveSheetsChanged, // Sheets were added and/or inserted. | 23 ActiveSheetsChanged, // Sheets were added and/or inserted. |
22 ActiveSheetsAppended // Only additions, and all appended. | 24 ActiveSheetsAppended // Only additions, and all appended. |
23 }; | 25 }; |
24 | 26 |
25 CORE_EXPORT ActiveSheetsChange | 27 CORE_EXPORT ActiveSheetsChange |
26 compareActiveStyleSheets(const ActiveStyleSheetVector& oldStyleSheets, | 28 compareActiveStyleSheets(const ActiveStyleSheetVector& oldStyleSheets, |
27 const ActiveStyleSheetVector& newStyleSheets, | 29 const ActiveStyleSheetVector& newStyleSheets, |
28 HeapVector<Member<RuleSet>>& changedRuleSets); | 30 HeapVector<Member<RuleSet>>& changedRuleSets); |
29 | 31 |
| 32 CORE_EXPORT void applyRuleSetChanges( |
| 33 StyleEngine&, |
| 34 TreeScope&, |
| 35 const ActiveStyleSheetVector& oldStyleSheets, |
| 36 const ActiveStyleSheetVector& newStyleSheets); |
| 37 |
30 } // namespace blink | 38 } // namespace blink |
31 | 39 |
32 #endif // ActiveStyleSheets_h | 40 #endif // ActiveStyleSheets_h |
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