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https://github.com/RGBCube/serenity
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71e8ddcd1c
This patch adds basic support for external stylesheets. It currently only works with file:// URLs. We do a synchronous full relayout after loading a stylesheet, which is definitely on the aggressive side, but it gives us something to work on improving. :^)
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
#include <AK/URL.h>
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#include <LibCore/CFile.h>
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#include <LibHTML/DOM/Document.h>
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#include <LibHTML/DOM/HTMLLinkElement.h>
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#include <LibHTML/Parser/CSSParser.h>
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HTMLLinkElement::HTMLLinkElement(Document& document, const String& tag_name)
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: HTMLElement(document, tag_name)
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{
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}
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HTMLLinkElement::~HTMLLinkElement()
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{
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}
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void HTMLLinkElement::inserted_into(Node&)
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{
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if (rel() == "stylesheet") {
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URL url = document().complete_url(href());
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if (url.protocol() != "file") {
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ASSERT_NOT_REACHED();
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}
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auto file = CFile::construct(url.path());
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if (!file->open(CIODevice::ReadOnly)) {
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dbg() << "Failed to open " << url.to_string();
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ASSERT_NOT_REACHED();
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return;
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}
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auto data = file->read_all();
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auto sheet = parse_css(String::copy(data));
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if (!sheet) {
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dbg() << "Failed to parse " << url.to_string();
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ASSERT_NOT_REACHED();
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return;
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}
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document().add_sheet(*sheet);
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document().invalidate_layout();
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}
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}
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