| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * (C) 2001 Dirk Mueller (mueller@kde.org) |
| * (C) 2006 Alexey Proskuryakov (ap@webkit.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved. |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies) |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "sky/engine/config.h" |
| #include "sky/engine/core/dom/TreeScopeStyleSheetCollection.h" |
| |
| #include "sky/engine/core/css/CSSStyleSheet.h" |
| #include "sky/engine/core/css/StyleSheetContents.h" |
| #include "sky/engine/core/css/resolver/StyleResolver.h" |
| #include "sky/engine/core/dom/Element.h" |
| #include "sky/engine/core/dom/StyleEngine.h" |
| #include "sky/engine/core/html/HTMLStyleElement.h" |
| |
| namespace blink { |
| |
| TreeScopeStyleSheetCollection::TreeScopeStyleSheetCollection(TreeScope& treeScope) |
| : m_treeScope(treeScope) |
| , m_usesRemUnits(false) |
| { |
| } |
| |
| void TreeScopeStyleSheetCollection::addStyleSheetCandidateNode(Node* node, bool) |
| { |
| if (!node->inDocument()) |
| return; |
| |
| // Until the <body> exists, we have no choice but to compare document positions, |
| // since styles outside of the body and head continue to be shunted into the head |
| // (and thus can shift to end up before dynamically added DOM content that is also |
| // outside the body). |
| m_styleSheetCandidateNodes.add(node); |
| } |
| |
| void TreeScopeStyleSheetCollection::removeStyleSheetCandidateNode(Node* node, ContainerNode* scopingNode) |
| { |
| m_styleSheetCandidateNodes.remove(node); |
| } |
| |
| void TreeScopeStyleSheetCollection::clearMediaQueryRuleSetStyleSheets() |
| { |
| for (size_t i = 0; i < m_activeAuthorStyleSheets.size(); ++i) { |
| StyleSheetContents* contents = m_activeAuthorStyleSheets[i]->contents(); |
| if (contents->hasMediaQueries()) |
| contents->clearRuleSet(); |
| } |
| } |
| |
| static bool styleSheetsUseRemUnits(const Vector<RefPtr<CSSStyleSheet> >& sheets) |
| { |
| for (unsigned i = 0; i < sheets.size(); ++i) { |
| if (sheets[i]->contents()->usesRemUnits()) |
| return true; |
| } |
| return false; |
| } |
| |
| void TreeScopeStyleSheetCollection::updateUsesRemUnits() |
| { |
| m_usesRemUnits = styleSheetsUseRemUnits(m_activeAuthorStyleSheets); |
| } |
| |
| } |
