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LibWeb: Add a separate UA style sheet for documents in quirks mode

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We need to make some additional tweaks to the default UA style when
displaying documents in quirks mode.
This commit is contained in:
Andreas Kling 2020-09-24 10:33:33 +02:00
parent 1cb8be9906
commit 96fc476107
Notes: sideshowbarker 2024-07-19 02:15:38 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/96fc4761078
4 changed files with 25 additions and 5 deletions
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9
Libraries/LibWeb/CMakeLists.txt
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@ -16,6 +16,7 @@ set(SOURCES
CSS/Parser/CSSParser.cpp
CSS/PropertyID.cpp
CSS/PropertyID.h
CSS/QuirksModeStyleSheetSource.cpp
CSS/Selector.cpp
CSS/SelectorEngine.cpp
CSS/StyleDeclaration.cpp
@ -329,5 +330,13 @@ add_custom_command(
MAIN_DEPENDENCY CSS/Default.css
)
add_custom_command(
OUTPUT CSS/QuirksModeStyleSheetSource.cpp
COMMAND ${write_if_different} CSS/QuirksModeStyleSheetSource.cpp ${CMAKE_CURRENT_SOURCE_DIR}/Scripts/GenerateStyleSheetSource.sh quirks_mode_stylesheet_source ${CMAKE_CURRENT_SOURCE_DIR}/CSS/QuirksMode.css
VERBATIM
DEPENDS Scripts/GenerateStyleSheetSource.sh
MAIN_DEPENDENCY CSS/Default.css
)
serenity_lib(LibWeb web)
target_link_libraries(LibWeb LibCore LibJS LibMarkdown LibGemini LibGUI LibGfx LibTextCodec LibProtocol LibImageDecoderClient)

5
Libraries/LibWeb/CSS/Default.css
View file

@ -147,8 +147,3 @@ blockquote {
margin-left: 25px;
margin-right: 25px;
}
/* FIXME: I think this should only apply in quirks mode. */
table {
text-align: left;
}

3
Libraries/LibWeb/CSS/QuirksMode.css Normal file
View file

@ -0,0 +1,3 @@
table {
text-align: left;
}

13
Libraries/LibWeb/CSS/StyleResolver.cpp
View file

@ -57,10 +57,23 @@ static StyleSheet& default_stylesheet()
return *sheet;
}
static StyleSheet& quirks_mode_stylesheet()
{
static StyleSheet* sheet;
if (!sheet) {
extern const char quirks_mode_stylesheet_source[];
String css = quirks_mode_stylesheet_source;
sheet = parse_css(CSS::ParsingContext(), css).leak_ref();
}
return *sheet;
}
template<typename Callback>
void StyleResolver::for_each_stylesheet(Callback callback) const
{
callback(default_stylesheet());
if (document().in_quirks_mode())
callback(quirks_mode_stylesheet());
for (auto& sheet : document().style_sheets().sheets()) {
callback(sheet);
}