blob: 8a8867ac81199ed178e0c275612d2e17be20d9aa [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 "third_party/blink/renderer/core/css/shadow_tree_style_sheet_collection.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_change_reason.h"
#include "third_party/blink/renderer/core/css/style_engine.h"
#include "third_party/blink/renderer/core/css/style_sheet_candidate.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/shadow_root.h"
#include "third_party/blink/renderer/core/html/html_style_element.h"
#include "third_party/blink/renderer/core/html_names.h"
namespace blink {
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)));
}
}
if (!GetTreeScope().HasAdoptedStyleSheets())
return;
StyleSheetList& adopted_style_sheets = GetTreeScope().AdoptedStyleSheets();
unsigned length = adopted_style_sheets.length();
for (unsigned index = 0; index < length; ++index) {
StyleSheet* sheet = adopted_style_sheets.item(index);
if (!sheet)
continue;
CSSStyleSheet* css_sheet = ToCSSStyleSheet(sheet);
if (!css_sheet || !css_sheet->CanBeActivated(g_null_atom))
continue;
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