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#include <AK/FileSystemPath.h>
#include <AK/StringBuilder.h>
#include <LibHTML/CSS/StyleResolver.h>
#include <LibHTML/DOM/Document.h>
#include <LibHTML/DOM/DocumentType.h>
#include <LibHTML/DOM/Element.h>
#include <LibHTML/DOM/ElementFactory.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;
}
bool Document::is_child_allowed(const Node& node) const
{
switch (node.type()) {
case NodeType::DOCUMENT_NODE:
case NodeType::TEXT_NODE:
return false;
case NodeType::COMMENT_NODE:
return true;
case NodeType::DOCUMENT_TYPE_NODE:
return !first_child_of_type<DocumentType>();
case NodeType::ELEMENT_NODE:
return !first_child_of_type<Element>();
default:
return false;
}
}
void Document::fixup()
{
if (!is<DocumentType>(first_child()))
prepend_child(adopt(*new DocumentType(*this)));
if (is<HTMLHtmlElement>(first_child()->next_sibling()))
return;
auto body = create_element(*this, "body");
auto html = create_element(*this, "html");
html->append_child(body);
this->donate_all_children_to(body);
this->append_child(html);
}
const HTMLHtmlElement* Document::document_element() const
{
return first_child_of_type<HTMLHtmlElement>();
}
const HTMLHeadElement* Document::head() const
{
auto* html = document_element();
if (!html)
return nullptr;
return html->first_child_of_type<HTMLHeadElement>();
}
const HTMLBodyElement* Document::body() const
{
auto* html = document_element();
if (!html)
return nullptr;
return html->first_child_of_type<HTMLBodyElement>();
}
String Document::title() const
{
auto* head_element = head();
if (!head_element)
return {};
auto* title_element = head_element->first_child_of_type<HTMLTitleElement>();
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&)
{
m_frame = nullptr;
}
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(CSS::PropertyID::BackgroundColor);
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('/');
bool document_url_ends_in_slash = m_url.path()[m_url.path().length() - 1] == '/';
for (int i = 0; i < fspath.parts().size(); ++i) {
if (i == fspath.parts().size() - 1 && !document_url_ends_in_slash)
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;
}
void Document::invalidate_layout()
{
if (on_invalidate_layout)
on_invalidate_layout();
}
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;
}
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