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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 "core/dom/TreeScopeStyleSheetCollection.h"
#include "core/css/ActiveStyleSheets.h"
#include "core/css/CSSStyleSheet.h"
#include "core/css/StyleRuleImport.h"
#include "core/css/StyleSheetContents.h"
#include "core/css/resolver/StyleResolver.h"
#include "core/dom/Element.h"
#include "core/dom/StyleEngine.h"
#include "core/html/HTMLLinkElement.h"
#include "core/html/HTMLStyleElement.h"
namespace blink {
TreeScopeStyleSheetCollection::TreeScopeStyleSheetCollection(
TreeScope& treeScope)
: m_treeScope(treeScope) {}
void TreeScopeStyleSheetCollection::addStyleSheetCandidateNode(Node& node) {
if (node.isConnected())
m_styleSheetCandidateNodes.add(&node);
}
bool TreeScopeStyleSheetCollection::mediaQueryAffectingValueChanged() {
bool needsActiveStyleUpdate = false;
for (const auto& activeSheet : m_activeAuthorStyleSheets) {
if (activeSheet.first->mediaQueries())
needsActiveStyleUpdate = true;
StyleSheetContents* contents = activeSheet.first->contents();
if (contents->hasMediaQueries())
contents->clearRuleSet();
}
return needsActiveStyleUpdate;
}
void TreeScopeStyleSheetCollection::applyActiveStyleSheetChanges(
StyleSheetCollection& newCollection) {
document().styleEngine().applyRuleSetChanges(
treeScope(), activeAuthorStyleSheets(),
newCollection.activeAuthorStyleSheets());
newCollection.swap(*this);
}
DEFINE_TRACE(TreeScopeStyleSheetCollection) {
visitor->trace(m_treeScope);
visitor->trace(m_styleSheetCandidateNodes);
StyleSheetCollection::trace(visitor);
}
} // namespace blink
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