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	 7bc9310170
			
		
	
	
		7bc9310170
		
	
	
	
	
		
			
			Each HtmlView now has a main_frame(), which represents the main frame of the web page. Frame inherits from TreeNode<Frame>, which will allow us to someday implement a Frame tree (to support the <frame> element.)
		
			
				
	
	
		
			75 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #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/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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| 
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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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| 
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| Document::~Document()
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| {
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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|     return title_element->text_content();
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| }
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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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| 
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| void Document::detach_from_frame(Badge<Frame>, Frame&)
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| {
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| }
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