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/*
* 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);
}
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(Visitor* visitor) {
visitor->Trace(tree_scope_);
visitor->Trace(style_sheet_candidate_nodes_);
StyleSheetCollection::Trace(visitor);
}
} // namespace blink
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