ladybird/Libraries/LibHTML/DOM/Document.cpp
Andreas Kling 83a6474d82 LibHTML: Parse link, alink and vlink in <body> and pass to Document
This patch adds HTMLBodyElement::parse_attribute() where we extract the
link colors and stash them away on Document.
2019-10-06 10:11:54 +02:00

147 lines
3.6 KiB
C++

#include <AK/FileSystemPath.h>
#include <AK/StringBuilder.h>
#include <LibHTML/CSS/StyleResolver.h>
#include <LibHTML/DOM/Document.h>
#include <LibHTML/DOM/Element.h>
#include <LibHTML/DOM/HTMLBodyElement.h>
#include <LibHTML/DOM/HTMLHeadElement.h>
#include <LibHTML/DOM/HTMLHtmlElement.h>
#include <LibHTML/DOM/HTMLTitleElement.h>
#include <LibHTML/Frame.h>
#include <LibHTML/Layout/LayoutDocument.h>
#include <stdio.h>
Document::Document()
: ParentNode(*this, NodeType::DOCUMENT_NODE)
{
}
Document::~Document()
{
}
StyleResolver& Document::style_resolver()
{
if (!m_style_resolver)
m_style_resolver = make<StyleResolver>(*this);
return *m_style_resolver;
}
void Document::normalize()
{
if (first_child() != nullptr && first_child()->is_element()) {
const Element& el = static_cast<const Element&>(*first_child());
if (el.tag_name() == "html")
return;
}
NonnullRefPtr<Element> body = adopt(*new Element(*this, "body"));
NonnullRefPtr<Element> html = adopt(*new Element(*this, "html"));
html->append_child(body);
this->donate_all_children_to(body);
this->append_child(html);
}
const HTMLHtmlElement* Document::document_element() const
{
return static_cast<const HTMLHtmlElement*>(first_child_with_tag_name("html"));
}
const HTMLHeadElement* Document::head() const
{
auto* html = document_element();
if (!html)
return nullptr;
return static_cast<const HTMLHeadElement*>(html->first_child_with_tag_name("head"));
}
const HTMLBodyElement* Document::body() const
{
auto* html = document_element();
if (!html)
return nullptr;
return static_cast<const HTMLBodyElement*>(html->first_child_with_tag_name("body"));
}
String Document::title() const
{
auto* head_element = head();
if (!head_element)
return {};
auto* title_element = static_cast<const HTMLTitleElement*>(head_element->first_child_with_tag_name("title"));
if (!title_element)
return {};
return title_element->text_content();
}
void Document::attach_to_frame(Badge<Frame>, Frame& frame)
{
m_frame = frame.make_weak_ptr();
}
void Document::detach_from_frame(Badge<Frame>, Frame&)
{
}
Color Document::background_color() const
{
auto* body_element = body();
if (!body_element)
return Color::White;
auto* body_layout_node = body_element->layout_node();
if (!body_layout_node)
return Color::White;
auto background_color = body_layout_node->style().property("background-color");
if (!background_color.has_value() || !background_color.value()->is_color())
return Color::White;
return background_color.value()->to_color(*this);
}
URL Document::complete_url(const String& string) const
{
URL url(string);
if (url.is_valid())
return url;
FileSystemPath fspath(m_url.path());
StringBuilder builder;
builder.append('/');
for (int i = 0; i < fspath.parts().size(); ++i) {
if (i == fspath.parts().size() - 1)
break;
builder.append(fspath.parts()[i]);
builder.append('/');
}
builder.append(string);
auto built = builder.to_string();
fspath = FileSystemPath(built);
url = m_url;
url.set_path(fspath.string());
return url;
}
RefPtr<LayoutNode> Document::create_layout_node(const StyleResolver&, const StyleProperties*) const
{
return adopt(*new LayoutDocument(*this, StyleProperties::create()));
}
void Document::set_link_color(Color color)
{
m_link_color = color;
}
void Document::set_active_link_color(Color color)
{
m_active_link_color = color;
}
void Document::set_visited_link_color(Color color)
{
m_visited_link_color = color;
}