blob: 5490fba7b94f99785a8a28c0bb6cbc6a7b214bd1 [file] [log] [blame]
/*
* 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/css/ShadowTreeStyleSheetCollection.h"
#include "core/css/CSSStyleSheet.h"
#include "core/css/StyleChangeReason.h"
#include "core/css/StyleEngine.h"
#include "core/css/StyleSheetCandidate.h"
#include "core/css/resolver/StyleResolver.h"
#include "core/dom/Element.h"
#include "core/dom/ShadowRoot.h"
#include "core/html/HTMLStyleElement.h"
#include "core/html_names.h"
namespace blink {
using namespace HTMLNames;
ShadowTreeStyleSheetCollection::ShadowTreeStyleSheetCollection(
ShadowRoot& shadow_root)
: TreeScopeStyleSheetCollection(shadow_root) {}
void ShadowTreeStyleSheetCollection::CollectStyleSheets(
StyleEngine& master_engine,
StyleSheetCollection& collection) {
for (Node* n : style_sheet_candidate_nodes_) {
StyleSheetCandidate candidate(*n);
DCHECK(!candidate.IsXSL());
StyleSheet* sheet = candidate.Sheet();
if (!sheet)
continue;
collection.AppendSheetForList(sheet);
if (candidate.CanBeActivated(g_null_atom)) {
CSSStyleSheet* css_sheet = ToCSSStyleSheet(sheet);
collection.AppendActiveStyleSheet(
std::make_pair(css_sheet, master_engine.RuleSetForSheet(*css_sheet)));
}
}
}
void ShadowTreeStyleSheetCollection::UpdateActiveStyleSheets(
StyleEngine& master_engine) {
// StyleSheetCollection is GarbageCollected<>, allocate it on the heap.
StyleSheetCollection* collection = StyleSheetCollection::Create();
CollectStyleSheets(master_engine, *collection);
ApplyActiveStyleSheetChanges(*collection);
}
} // namespace blink