| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com) |
| * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com) |
| * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All |
| * rights reserved. |
| * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> |
| * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. |
| * (http://www.torchmobile.com/) |
| * Copyright (c) 2011, Code Aurora Forum. All rights reserved. |
| * Copyright (C) Research In Motion Limited 2011. All rights reserved. |
| * Copyright (C) 2012 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/CSSDefaultStyleSheets.h" |
| |
| #include "core/MathMLNames.h" |
| #include "core/css/MediaQueryEvaluator.h" |
| #include "core/css/RuleSet.h" |
| #include "core/css/StyleSheetContents.h" |
| #include "core/dom/Fullscreen.h" |
| #include "core/html/HTMLAnchorElement.h" |
| #include "core/html/HTMLHtmlElement.h" |
| #include "core/layout/LayoutTheme.h" |
| #include "platform/PlatformResourceLoader.h" |
| #include "wtf/LeakAnnotations.h" |
| |
| namespace blink { |
| |
| using namespace HTMLNames; |
| |
| CSSDefaultStyleSheets& CSSDefaultStyleSheets::instance() { |
| DEFINE_STATIC_LOCAL(CSSDefaultStyleSheets, cssDefaultStyleSheets, |
| (new CSSDefaultStyleSheets)); |
| return cssDefaultStyleSheets; |
| } |
| |
| static const MediaQueryEvaluator& screenEval() { |
| DEFINE_STATIC_LOCAL(MediaQueryEvaluator, staticScreenEval, |
| (new MediaQueryEvaluator("screen"))); |
| return staticScreenEval; |
| } |
| |
| static const MediaQueryEvaluator& printEval() { |
| DEFINE_STATIC_LOCAL(MediaQueryEvaluator, staticPrintEval, |
| (new MediaQueryEvaluator("print"))); |
| return staticPrintEval; |
| } |
| |
| static StyleSheetContents* parseUASheet(const String& str) { |
| StyleSheetContents* sheet = |
| StyleSheetContents::create(CSSParserContext(UASheetMode, nullptr)); |
| sheet->parseString(str); |
| // User Agent stylesheets are parsed once for the lifetime of the renderer |
| // process and are intentionally leaked. |
| LEAK_SANITIZER_IGNORE_OBJECT(sheet); |
| return sheet; |
| } |
| |
| CSSDefaultStyleSheets::CSSDefaultStyleSheets() { |
| m_defaultStyle = RuleSet::create(); |
| m_defaultPrintStyle = RuleSet::create(); |
| m_defaultQuirksStyle = RuleSet::create(); |
| |
| // Strict-mode rules. |
| String defaultRules = loadResourceAsASCIIString("html.css") + |
| LayoutTheme::theme().extraDefaultStyleSheet(); |
| m_defaultStyleSheet = parseUASheet(defaultRules); |
| m_defaultStyle->addRulesFromSheet(defaultStyleSheet(), screenEval()); |
| m_defaultPrintStyle->addRulesFromSheet(defaultStyleSheet(), printEval()); |
| |
| // Quirks-mode rules. |
| String quirksRules = loadResourceAsASCIIString("quirks.css") + |
| LayoutTheme::theme().extraQuirksStyleSheet(); |
| m_quirksStyleSheet = parseUASheet(quirksRules); |
| m_defaultQuirksStyle->addRulesFromSheet(quirksStyleSheet(), screenEval()); |
| } |
| |
| RuleSet* CSSDefaultStyleSheets::defaultViewSourceStyle() { |
| if (!m_defaultViewSourceStyle) { |
| m_defaultViewSourceStyle = RuleSet::create(); |
| // Loaded stylesheet is leaked on purpose. |
| StyleSheetContents* stylesheet = |
| parseUASheet(loadResourceAsASCIIString("view-source.css")); |
| m_defaultViewSourceStyle->addRulesFromSheet(stylesheet, screenEval()); |
| } |
| return m_defaultViewSourceStyle; |
| } |
| |
| StyleSheetContents* |
| CSSDefaultStyleSheets::ensureXHTMLMobileProfileStyleSheet() { |
| if (!m_xhtmlMobileProfileStyleSheet) |
| m_xhtmlMobileProfileStyleSheet = |
| parseUASheet(loadResourceAsASCIIString("xhtmlmp.css")); |
| return m_xhtmlMobileProfileStyleSheet; |
| } |
| |
| StyleSheetContents* CSSDefaultStyleSheets::ensureMobileViewportStyleSheet() { |
| if (!m_mobileViewportStyleSheet) |
| m_mobileViewportStyleSheet = |
| parseUASheet(loadResourceAsASCIIString("viewportAndroid.css")); |
| return m_mobileViewportStyleSheet; |
| } |
| |
| StyleSheetContents* |
| CSSDefaultStyleSheets::ensureTelevisionViewportStyleSheet() { |
| if (!m_televisionViewportStyleSheet) |
| m_televisionViewportStyleSheet = |
| parseUASheet(loadResourceAsASCIIString("viewportTelevision.css")); |
| return m_televisionViewportStyleSheet; |
| } |
| |
| void CSSDefaultStyleSheets::ensureDefaultStyleSheetsForElement( |
| const Element& element, |
| bool& changedDefaultStyle) { |
| // FIXME: We should assert that the sheet only styles SVG elements. |
| if (element.isSVGElement() && !m_svgStyleSheet) { |
| m_svgStyleSheet = parseUASheet(loadResourceAsASCIIString("svg.css")); |
| m_defaultStyle->addRulesFromSheet(svgStyleSheet(), screenEval()); |
| m_defaultPrintStyle->addRulesFromSheet(svgStyleSheet(), printEval()); |
| changedDefaultStyle = true; |
| } |
| |
| // FIXME: We should assert that the sheet only styles MathML elements. |
| if (element.namespaceURI() == MathMLNames::mathmlNamespaceURI && |
| !m_mathmlStyleSheet) { |
| m_mathmlStyleSheet = parseUASheet(loadResourceAsASCIIString("mathml.css")); |
| m_defaultStyle->addRulesFromSheet(mathmlStyleSheet(), screenEval()); |
| m_defaultPrintStyle->addRulesFromSheet(mathmlStyleSheet(), printEval()); |
| changedDefaultStyle = true; |
| } |
| |
| // FIXME: We should assert that this sheet only contains rules for <video> and |
| // <audio>. |
| if (!m_mediaControlsStyleSheet && |
| (isHTMLVideoElement(element) || isHTMLAudioElement(element))) { |
| String mediaRules = loadResourceAsASCIIString( |
| RuntimeEnabledFeatures::newMediaPlaybackUiEnabled() |
| ? "mediaControlsNew.css" |
| : "mediaControls.css") + |
| LayoutTheme::theme().extraMediaControlsStyleSheet(); |
| m_mediaControlsStyleSheet = parseUASheet(mediaRules); |
| m_defaultStyle->addRulesFromSheet(mediaControlsStyleSheet(), screenEval()); |
| m_defaultPrintStyle->addRulesFromSheet(mediaControlsStyleSheet(), |
| printEval()); |
| changedDefaultStyle = true; |
| } |
| |
| ASSERT(!m_defaultStyle->features().hasIdsInSelectors()); |
| ASSERT(m_defaultStyle->features().siblingRules.isEmpty()); |
| } |
| |
| void CSSDefaultStyleSheets::ensureDefaultStyleSheetForFullscreen() { |
| if (m_fullscreenStyleSheet) |
| return; |
| |
| String fullscreenRules = loadResourceAsASCIIString("fullscreen.css") + |
| LayoutTheme::theme().extraFullscreenStyleSheet(); |
| m_fullscreenStyleSheet = parseUASheet(fullscreenRules); |
| m_defaultStyle->addRulesFromSheet(fullscreenStyleSheet(), screenEval()); |
| m_defaultQuirksStyle->addRulesFromSheet(fullscreenStyleSheet(), screenEval()); |
| } |
| |
| DEFINE_TRACE(CSSDefaultStyleSheets) { |
| visitor->trace(m_defaultStyle); |
| visitor->trace(m_defaultQuirksStyle); |
| visitor->trace(m_defaultPrintStyle); |
| visitor->trace(m_defaultViewSourceStyle); |
| visitor->trace(m_defaultStyleSheet); |
| visitor->trace(m_mobileViewportStyleSheet); |
| visitor->trace(m_televisionViewportStyleSheet); |
| visitor->trace(m_xhtmlMobileProfileStyleSheet); |
| visitor->trace(m_quirksStyleSheet); |
| visitor->trace(m_svgStyleSheet); |
| visitor->trace(m_mathmlStyleSheet); |
| visitor->trace(m_mediaControlsStyleSheet); |
| visitor->trace(m_fullscreenStyleSheet); |
| } |
| |
| } // namespace blink |