| /* |
| * 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 "third_party/blink/renderer/core/css/tree_scope_style_sheet_collection.h" |
| |
| #include "third_party/blink/renderer/core/css/active_style_sheets.h" |
| #include "third_party/blink/renderer/core/css/css_style_sheet.h" |
| #include "third_party/blink/renderer/core/css/resolver/style_resolver.h" |
| #include "third_party/blink/renderer/core/css/style_engine.h" |
| #include "third_party/blink/renderer/core/css/style_rule_import.h" |
| #include "third_party/blink/renderer/core/css/style_sheet_candidate.h" |
| #include "third_party/blink/renderer/core/css/style_sheet_contents.h" |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/html/html_link_element.h" |
| #include "third_party/blink/renderer/core/html/html_style_element.h" |
| |
| namespace blink { |
| |
| TreeScopeStyleSheetCollection::TreeScopeStyleSheetCollection( |
| TreeScope& tree_scope) |
| : tree_scope_(tree_scope) {} |
| |
| void TreeScopeStyleSheetCollection::AddStyleSheetCandidateNode(Node& node) { |
| if (node.isConnected()) |
| style_sheet_candidate_nodes_.Add(&node); |
| } |
| |
| bool TreeScopeStyleSheetCollection::MediaQueryAffectingValueChanged() { |
| return ClearMediaQueryDependentRuleSets(active_author_style_sheets_); |
| } |
| |
| void TreeScopeStyleSheetCollection::ApplyActiveStyleSheetChanges( |
| StyleSheetCollection& new_collection) { |
| GetDocument().GetStyleEngine().ApplyRuleSetChanges( |
| GetTreeScope(), ActiveAuthorStyleSheets(), |
| new_collection.ActiveAuthorStyleSheets()); |
| new_collection.Swap(*this); |
| } |
| |
| bool TreeScopeStyleSheetCollection::HasStyleSheets() const { |
| for (Node* node : style_sheet_candidate_nodes_) { |
| StyleSheetCandidate candidate(*node); |
| if (candidate.Sheet() || candidate.IsEnabledAndLoading()) |
| return true; |
| } |
| return false; |
| } |
| |
| void TreeScopeStyleSheetCollection::UpdateStyleSheetList() { |
| if (!sheet_list_dirty_) |
| return; |
| |
| HeapVector<Member<StyleSheet>> new_list; |
| for (Node* node : style_sheet_candidate_nodes_) { |
| StyleSheetCandidate candidate(*node); |
| DCHECK(!candidate.IsXSL()); |
| if (candidate.IsImport()) |
| continue; |
| if (candidate.IsEnabledAndLoading()) |
| continue; |
| if (StyleSheet* sheet = candidate.Sheet()) |
| new_list.push_back(sheet); |
| } |
| SwapSheetsForSheetList(new_list); |
| } |
| |
| void TreeScopeStyleSheetCollection::Trace(blink::Visitor* visitor) { |
| visitor->Trace(tree_scope_); |
| visitor->Trace(style_sheet_candidate_nodes_); |
| StyleSheetCollection::Trace(visitor); |
| } |
| |
| } // namespace blink |