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			100 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			100 lines
		
	
	
	
		
			3.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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 *
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 * SPDX-License-Identifier: BSD-2-Clause
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 */
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/HTMLIFrameElement.h>
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#include <LibWeb/Layout/FrameBox.h>
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#include <LibWeb/Origin.h>
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namespace Web::HTML {
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HTMLIFrameElement::HTMLIFrameElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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    : BrowsingContextContainer(document, move(qualified_name))
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{
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}
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HTMLIFrameElement::~HTMLIFrameElement() = default;
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RefPtr<Layout::Node> HTMLIFrameElement::create_layout_node(NonnullRefPtr<CSS::StyleProperties> style)
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{
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    return adopt_ref(*new Layout::FrameBox(document(), *this, move(style)));
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}
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void HTMLIFrameElement::parse_attribute(FlyString const& name, String const& value)
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{
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    HTMLElement::parse_attribute(name, value);
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    if (name == HTML::AttributeNames::src)
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        load_src(value);
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}
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// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element:the-iframe-element-6
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void HTMLIFrameElement::inserted()
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{
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    HTMLElement::inserted();
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    if (!is_connected())
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        return;
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    // 1. Create a new nested browsing context for element.
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    create_new_nested_browsing_context();
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    // 2. FIXME: If element has a sandbox attribute, then parse the sandboxing directive given the attribute's value and element's iframe sandboxing flag set.
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    // 3. Process the iframe attributes for element, with initialInsertion set to true.
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    load_src(attribute(HTML::AttributeNames::src));
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}
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// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element:the-iframe-element-7
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void HTMLIFrameElement::removed_from(DOM::Node* node)
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{
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    HTMLElement::removed_from(node);
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    discard_nested_browsing_context();
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}
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void HTMLIFrameElement::load_src(String const& value)
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{
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    if (!m_nested_browsing_context)
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        return;
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    if (value.is_null())
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        return;
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    auto url = document().parse_url(value);
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    if (!url.is_valid()) {
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        dbgln("iframe failed to load URL: Invalid URL: {}", value);
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        return;
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    }
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    if (url.protocol() == "file" && document().origin().protocol() != "file") {
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        dbgln("iframe failed to load URL: Security violation: {} may not load {}", document().url(), url);
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        return;
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    }
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    dbgln("Loading iframe document from {}", value);
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    m_nested_browsing_context->loader().load(url, FrameLoader::Type::IFrame);
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}
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// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#iframe-load-event-steps
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void run_iframe_load_event_steps(HTML::HTMLIFrameElement& element)
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{
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    // 1. Assert: element's nested browsing context is not null.
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    VERIFY(element.nested_browsing_context());
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    // 2. Let childDocument be the active document of element's nested browsing context.
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    [[maybe_unused]] auto* child_document = element.nested_browsing_context()->active_document();
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    // FIXME: 3. If childDocument has its mute iframe load flag set, then return.
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    // FIXME: 4. Set childDocument's iframe load in progress flag.
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    // 5. Fire an event named load at element.
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    element.dispatch_event(DOM::Event::create(HTML::EventNames::load));
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    // FIXME: 6. Unset childDocument's iframe load in progress flag.
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}
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}
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