Merge StyleSheetCollection into ScopedStyleResolver.

sky/engine/core/dom/StyleSheetCollection.cpp

-/*
- * 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 "sky/engine/config.h"
-#include "sky/engine/core/dom/StyleSheetCollection.h"
-
-#include "sky/engine/core/css/CSSStyleSheet.h"
-#include "sky/engine/core/css/resolver/StyleResolver.h"
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/dom/shadow/ShadowRoot.h"
-#include "sky/engine/core/dom/TreeScope.h"
-#include "sky/engine/core/html/HTMLStyleElement.h"
-
-namespace blink {
-
-StyleSheetCollection::StyleSheetCollection(TreeScope& treeScope)
-    : m_treeScope(treeScope)
-{
-}
-
-StyleSheetCollection::~StyleSheetCollection()
-{
-}
-
-void StyleSheetCollection::addStyleSheetCandidateNode(HTMLStyleElement& element)
-{
-    ASSERT(element.inActiveDocument());
-    m_styleSheetCandidateNodes.add(&element);
-}
-
-void StyleSheetCollection::removeStyleSheetCandidateNode(HTMLStyleElement& element)
-{
-    m_styleSheetCandidateNodes.remove(&element);
-}
-
-void StyleSheetCollection::collectStyleSheets(Vector<RefPtr<CSSStyleSheet>>& sheets)
-{
-    for (Node* node : m_styleSheetCandidateNodes) {
-        ASSERT(isHTMLStyleElement(*node));
-        if (CSSStyleSheet* sheet = toHTMLStyleElement(node)->sheet())
-            sheets.append(sheet);
-    }
-}
-
-void StyleSheetCollection::updateActiveStyleSheets(StyleResolver& resolver)
-{
-    Vector<RefPtr<CSSStyleSheet>> candidateSheets;
-    collectStyleSheets(candidateSheets);
-
-    m_treeScope.scopedStyleResolver().resetAuthorStyle();
-
-    Node& root = m_treeScope.rootNode();
-
-    // TODO(esprehn): We should avoid subtree recalcs in sky when rules change
-    // and only recalc specific tree scopes.
-    root.setNeedsStyleRecalc(SubtreeStyleChange);
-
-    // TODO(esprehn): We should use LocalStyleChange, :host rule changes
-    // can only impact the host directly as Sky has no descendant selectors.
-    if (root.isShadowRoot())
-        toShadowRoot(root).host()->setNeedsStyleRecalc(SubtreeStyleChange);
-
-    m_activeAuthorStyleSheets.swap(candidateSheets);
-
-    for (RefPtr<CSSStyleSheet>& sheet : m_activeAuthorStyleSheets)
-        resolver.appendCSSStyleSheet(sheet.get());
-}
-
-}