1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 4 * All rights reserved. 5 * Copyright (C) 2013 Google Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 * 22 */ 23 24 #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_DEFAULT_STYLE_SHEETS_H_ 25 #define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_DEFAULT_STYLE_SHEETS_H_ 26 27 #include "third_party/blink/renderer/core/core_export.h" 28 #include "third_party/blink/renderer/core/style/computed_style_constants.h" 29 #include "third_party/blink/renderer/platform/heap/handle.h" 30 #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" 31 #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" 32 33 namespace blink { 34 35 class Element; 36 class RuleSet; 37 class StyleSheetContents; 38 39 class CSSDefaultStyleSheets final 40 : public GarbageCollected<CSSDefaultStyleSheets> { 41 public: 42 CORE_EXPORT static CSSDefaultStyleSheets& Instance(); 43 44 CSSDefaultStyleSheets(); 45 CSSDefaultStyleSheets(const CSSDefaultStyleSheets&) = delete; 46 CSSDefaultStyleSheets& operator=(const CSSDefaultStyleSheets&) = delete; 47 48 bool EnsureDefaultStyleSheetsForElement(const Element&); 49 bool EnsureDefaultStyleSheetsForPseudoElement(PseudoId); 50 bool EnsureDefaultStyleSheetForXrOverlay(); 51 void EnsureDefaultStyleSheetForFullscreen(); 52 DefaultStyle()53 RuleSet* DefaultStyle() { return default_style_.Get(); } DefaultMathMLStyle()54 RuleSet* DefaultMathMLStyle() { return default_mathml_style_.Get(); } DefaultSVGStyle()55 RuleSet* DefaultSVGStyle() { return default_svg_style_.Get(); } DefaultQuirksStyle()56 RuleSet* DefaultQuirksStyle() { return default_quirks_style_.Get(); } DefaultPrintStyle()57 RuleSet* DefaultPrintStyle() { return default_print_style_.Get(); } 58 RuleSet* DefaultViewSourceStyle(); DefaultForcedColorStyle()59 RuleSet* DefaultForcedColorStyle() { 60 return default_forced_color_style_.Get(); 61 } DefaultPseudoElementStyleOrNull()62 RuleSet* DefaultPseudoElementStyleOrNull() { 63 return default_pseudo_element_style_.Get(); 64 } 65 66 StyleSheetContents* EnsureMobileViewportStyleSheet(); 67 StyleSheetContents* EnsureTelevisionViewportStyleSheet(); 68 StyleSheetContents* EnsureXHTMLMobileProfileStyleSheet(); 69 DefaultStyleSheet()70 StyleSheetContents* DefaultStyleSheet() { return default_style_sheet_.Get(); } QuirksStyleSheet()71 StyleSheetContents* QuirksStyleSheet() { return quirks_style_sheet_.Get(); } SvgStyleSheet()72 StyleSheetContents* SvgStyleSheet() { return svg_style_sheet_.Get(); } MathmlStyleSheet()73 StyleSheetContents* MathmlStyleSheet() { return mathml_style_sheet_.Get(); } MediaControlsStyleSheet()74 StyleSheetContents* MediaControlsStyleSheet() { 75 return media_controls_style_sheet_.Get(); 76 } FullscreenStyleSheet()77 StyleSheetContents* FullscreenStyleSheet() { 78 return fullscreen_style_sheet_.Get(); 79 } MarkerStyleSheet()80 StyleSheetContents* MarkerStyleSheet() { return marker_style_sheet_.Get(); } 81 82 CORE_EXPORT void PrepareForLeakDetection(); 83 84 // Media Controls UA stylesheet loading is handled by the media_controls 85 // module. 86 class CORE_EXPORT UAStyleSheetLoader { 87 public: 88 UAStyleSheetLoader() = default; 89 UAStyleSheetLoader(const UAStyleSheetLoader&) = delete; 90 UAStyleSheetLoader& operator=(const UAStyleSheetLoader&) = delete; 91 virtual ~UAStyleSheetLoader() = default; 92 virtual String GetUAStyleSheet() = 0; 93 }; 94 CORE_EXPORT void SetMediaControlsStyleSheetLoader( 95 std::unique_ptr<UAStyleSheetLoader>); HasMediaControlsStyleSheetLoader()96 CORE_EXPORT bool HasMediaControlsStyleSheetLoader() { 97 return media_controls_style_sheet_loader_.get(); 98 } 99 100 void Trace(Visitor*) const; 101 102 private: 103 void InitializeDefaultStyles(); 104 105 Member<RuleSet> default_style_; 106 Member<RuleSet> default_mathml_style_; 107 Member<RuleSet> default_svg_style_; 108 Member<RuleSet> default_quirks_style_; 109 Member<RuleSet> default_print_style_; 110 Member<RuleSet> default_view_source_style_; 111 Member<RuleSet> default_forced_color_style_; 112 Member<RuleSet> default_pseudo_element_style_; 113 114 Member<StyleSheetContents> default_style_sheet_; 115 Member<StyleSheetContents> mobile_viewport_style_sheet_; 116 Member<StyleSheetContents> television_viewport_style_sheet_; 117 Member<StyleSheetContents> xhtml_mobile_profile_style_sheet_; 118 Member<StyleSheetContents> quirks_style_sheet_; 119 Member<StyleSheetContents> svg_style_sheet_; 120 Member<StyleSheetContents> mathml_style_sheet_; 121 Member<StyleSheetContents> media_controls_style_sheet_; 122 Member<StyleSheetContents> text_track_style_sheet_; 123 Member<StyleSheetContents> fullscreen_style_sheet_; 124 Member<StyleSheetContents> webxr_overlay_style_sheet_; 125 Member<StyleSheetContents> marker_style_sheet_; 126 127 std::unique_ptr<UAStyleSheetLoader> media_controls_style_sheet_loader_; 128 }; 129 130 } // namespace blink 131 132 #endif // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_CSS_DEFAULT_STYLE_SHEETS_H_ 133