ef8b754a46
This allows any external actor to signal that the document layout may be stale. This can be used when loading resources, changing the size or placement of an element, adding/removing nodes, or really any time.
153 lines
3.7 KiB
C++
153 lines
3.7 KiB
C++
#include <AK/FileSystemPath.h>
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#include <AK/StringBuilder.h>
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#include <LibHTML/CSS/StyleResolver.h>
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#include <LibHTML/DOM/Document.h>
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#include <LibHTML/DOM/Element.h>
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#include <LibHTML/DOM/HTMLBodyElement.h>
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#include <LibHTML/DOM/HTMLHeadElement.h>
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#include <LibHTML/DOM/HTMLHtmlElement.h>
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#include <LibHTML/DOM/HTMLTitleElement.h>
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#include <LibHTML/Frame.h>
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#include <LibHTML/Layout/LayoutDocument.h>
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#include <stdio.h>
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Document::Document()
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: ParentNode(*this, NodeType::DOCUMENT_NODE)
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{
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}
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Document::~Document()
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{
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}
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StyleResolver& Document::style_resolver()
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{
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if (!m_style_resolver)
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m_style_resolver = make<StyleResolver>(*this);
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return *m_style_resolver;
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}
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void Document::normalize()
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{
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if (first_child() != nullptr && first_child()->is_element()) {
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const Element& el = static_cast<const Element&>(*first_child());
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if (el.tag_name() == "html")
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return;
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}
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NonnullRefPtr<Element> body = adopt(*new Element(*this, "body"));
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NonnullRefPtr<Element> html = adopt(*new Element(*this, "html"));
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html->append_child(body);
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this->donate_all_children_to(body);
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this->append_child(html);
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}
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const HTMLHtmlElement* Document::document_element() const
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{
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return static_cast<const HTMLHtmlElement*>(first_child_with_tag_name("html"));
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}
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const HTMLHeadElement* Document::head() const
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{
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auto* html = document_element();
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if (!html)
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return nullptr;
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return static_cast<const HTMLHeadElement*>(html->first_child_with_tag_name("head"));
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}
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const HTMLBodyElement* Document::body() const
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{
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auto* html = document_element();
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if (!html)
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return nullptr;
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return static_cast<const HTMLBodyElement*>(html->first_child_with_tag_name("body"));
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}
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String Document::title() const
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{
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auto* head_element = head();
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if (!head_element)
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return {};
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auto* title_element = static_cast<const HTMLTitleElement*>(head_element->first_child_with_tag_name("title"));
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if (!title_element)
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return {};
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return title_element->text_content();
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}
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void Document::attach_to_frame(Badge<Frame>, Frame& frame)
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{
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m_frame = frame.make_weak_ptr();
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}
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void Document::detach_from_frame(Badge<Frame>, Frame&)
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{
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}
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Color Document::background_color() const
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{
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auto* body_element = body();
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if (!body_element)
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return Color::White;
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auto* body_layout_node = body_element->layout_node();
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if (!body_layout_node)
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return Color::White;
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auto background_color = body_layout_node->style().property("background-color");
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if (!background_color.has_value() || !background_color.value()->is_color())
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return Color::White;
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return background_color.value()->to_color(*this);
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}
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URL Document::complete_url(const String& string) const
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{
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URL url(string);
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if (url.is_valid())
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return url;
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FileSystemPath fspath(m_url.path());
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StringBuilder builder;
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builder.append('/');
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for (int i = 0; i < fspath.parts().size(); ++i) {
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if (i == fspath.parts().size() - 1)
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break;
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builder.append(fspath.parts()[i]);
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builder.append('/');
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}
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builder.append(string);
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auto built = builder.to_string();
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fspath = FileSystemPath(built);
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url = m_url;
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url.set_path(fspath.string());
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return url;
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}
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void Document::invalidate_layout()
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{
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if (on_invalidate_layout)
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on_invalidate_layout();
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}
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RefPtr<LayoutNode> Document::create_layout_node(const StyleResolver&, const StyleProperties*) const
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{
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return adopt(*new LayoutDocument(*this, StyleProperties::create()));
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}
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void Document::set_link_color(Color color)
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{
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m_link_color = color;
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}
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void Document::set_active_link_color(Color color)
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{
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m_active_link_color = color;
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}
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void Document::set_visited_link_color(Color color)
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{
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m_visited_link_color = color;
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}
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