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| 1 /* | |
| 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | |
| 3 * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) | |
| 4 * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) | |
| 5 * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All r
ights reserved. | |
| 6 * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> | |
| 7 * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> | |
| 8 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.t
orchmobile.com/) | |
| 9 * Copyright (c) 2011, Code Aurora Forum. All rights reserved. | |
| 10 * Copyright (C) Research In Motion Limited 2011. All rights reserved. | |
| 11 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 12 * | |
| 13 * This library is free software; you can redistribute it and/or | |
| 14 * modify it under the terms of the GNU Library General Public | |
| 15 * License as published by the Free Software Foundation; either | |
| 16 * version 2 of the License, or (at your option) any later version. | |
| 17 * | |
| 18 * This library is distributed in the hope that it will be useful, | |
| 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 21 * Library General Public License for more details. | |
| 22 * | |
| 23 * You should have received a copy of the GNU Library General Public License | |
| 24 * along with this library; see the file COPYING.LIB. If not, write to | |
| 25 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 26 * Boston, MA 02110-1301, USA. | |
| 27 */ | |
| 28 | |
| 29 #include "config.h" | |
| 30 #include "core/css/TreeBoundaryCrossingRules.h" | |
| 31 | |
| 32 #include "core/css/ElementRuleCollector.h" | |
| 33 #include "core/css/StylePropertySet.h" | |
| 34 #include "core/css/resolver/ScopedStyleResolver.h" | |
| 35 | |
| 36 namespace blink { | |
| 37 | |
| 38 void TreeBoundaryCrossingRules::collectTreeBoundaryCrossingRules(Element* elemen
t, ElementRuleCollector& collector, bool includeEmptyRules) | |
| 39 { | |
| 40 if (m_scopingNodes.isEmpty()) | |
| 41 return; | |
| 42 | |
| 43 // When comparing rules declared in outer treescopes, outer's rules win. | |
| 44 CascadeOrder outerCascadeOrder = size() + size(); | |
| 45 // When comparing rules declared in inner treescopes, inner's rules win. | |
| 46 CascadeOrder innerCascadeOrder = size(); | |
| 47 | |
| 48 ASSERT(!collector.scopeContainsLastMatchedElement()); | |
| 49 collector.setScopeContainsLastMatchedElement(true); | |
| 50 | |
| 51 for (const auto& scope : m_scopingNodes) { | |
| 52 | |
| 53 bool isInnerTreeScope = element->treeScope().isInclusiveAncestorOf(scope
->treeScope()); | |
| 54 CascadeOrder cascadeOrder = isInnerTreeScope ? innerCascadeOrder : outer
CascadeOrder; | |
| 55 | |
| 56 scope->treeScope().scopedStyleResolver()->collectMatchingTreeBoundaryCro
ssingRules(collector, includeEmptyRules, cascadeOrder); | |
| 57 | |
| 58 ++innerCascadeOrder; | |
| 59 --outerCascadeOrder; | |
| 60 } | |
| 61 | |
| 62 collector.setScopeContainsLastMatchedElement(false); | |
| 63 } | |
| 64 | |
| 65 void TreeBoundaryCrossingRules::addScope(ContainerNode& scopingNode) | |
| 66 { | |
| 67 m_scopingNodes.add(&scopingNode); | |
| 68 } | |
| 69 | |
| 70 void TreeBoundaryCrossingRules::removeScope(const ContainerNode& scopingNode) | |
| 71 { | |
| 72 m_scopingNodes.remove(&scopingNode); | |
| 73 } | |
| 74 | |
| 75 DEFINE_TRACE(TreeBoundaryCrossingRules) | |
| 76 { | |
| 77 #if ENABLE(OILPAN) | |
| 78 visitor->trace(m_scopingNodes); | |
| 79 #endif | |
| 80 } | |
| 81 | |
| 82 } // namespace blink | |
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Chromium Code Reviews
Issue 1298173004:
Implement proposed shadow tree cascade order. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master