/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ use cssparser::RGBA; use dom::attr::Attr; use dom::bindings::codegen::Bindings::EventHandlerBinding::{EventHandlerNonNull, OnBeforeUnloadEventHandlerNonNull}; use dom::bindings::codegen::Bindings::HTMLBodyElementBinding::{self, HTMLBodyElementMethods}; use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods; use dom::bindings::inheritance::Castable; use dom::bindings::js::{LayoutJS, Root}; use dom::bindings::str::DOMString; use dom::document::Document; use dom::element::{AttributeMutation, Element, RawLayoutElementHelpers}; use dom::eventtarget::EventTarget; use dom::globalscope::GlobalScope; use dom::htmlelement::HTMLElement; use dom::node::{Node, document_from_node, window_from_node}; use dom::virtualmethods::VirtualMethods; use html5ever_atoms::LocalName; use script_traits::ScriptMsg as ConstellationMsg; use servo_url::ServoUrl; use style::attr::AttrValue; use time; /// How long we should wait before performing the initial reflow after `` is parsed, in /// nanoseconds. const INITIAL_REFLOW_DELAY: u64 = 200_000_000; #[dom_struct] pub struct HTMLBodyElement { htmlelement: HTMLElement, } impl HTMLBodyElement { fn new_inherited(local_name: LocalName, prefix: Option, document: &Document) -> HTMLBodyElement { HTMLBodyElement { htmlelement: HTMLElement::new_inherited(local_name, prefix, document), } } #[allow(unrooted_must_root)] pub fn new(local_name: LocalName, prefix: Option, document: &Document) -> Root { Node::reflect_node(box HTMLBodyElement::new_inherited(local_name, prefix, document), document, HTMLBodyElementBinding::Wrap) } /// https://drafts.csswg.org/cssom-view/#the-html-body-element pub fn is_the_html_body_element(&self) -> bool { let self_node = self.upcast::(); let root_elem = self.upcast::().root_element(); let root_node = root_elem.upcast::(); root_node.is_parent_of(self_node) && self_node.preceding_siblings().all(|n| !n.is::()) } } impl HTMLBodyElementMethods for HTMLBodyElement { // https://html.spec.whatwg.org/multipage/#dom-body-bgcolor make_getter!(BgColor, "bgcolor"); // https://html.spec.whatwg.org/multipage/#dom-body-bgcolor make_legacy_color_setter!(SetBgColor, "bgcolor"); // https://html.spec.whatwg.org/multipage/#dom-body-text make_getter!(Text, "text"); // https://html.spec.whatwg.org/multipage/#dom-body-text make_legacy_color_setter!(SetText, "text"); // https://html.spec.whatwg.org/multipage/#dom-body-background make_getter!(Background, "background"); // https://html.spec.whatwg.org/multipage/#dom-body-background make_url_setter!(SetBackground, "background"); // https://html.spec.whatwg.org/multipage/#windoweventhandlers window_event_handlers!(ForwardToWindow); } pub trait HTMLBodyElementLayoutHelpers { fn get_background_color(&self) -> Option; fn get_color(&self) -> Option; fn get_background(&self) -> Option; } impl HTMLBodyElementLayoutHelpers for LayoutJS { #[allow(unsafe_code)] fn get_background_color(&self) -> Option { unsafe { (*self.upcast::().unsafe_get()) .get_attr_for_layout(&ns!(), &local_name!("bgcolor")) .and_then(AttrValue::as_color) .cloned() } } #[allow(unsafe_code)] fn get_color(&self) -> Option { unsafe { (*self.upcast::().unsafe_get()) .get_attr_for_layout(&ns!(), &local_name!("text")) .and_then(AttrValue::as_color) .cloned() } } #[allow(unsafe_code)] fn get_background(&self) -> Option { unsafe { (*self.upcast::().unsafe_get()) .get_attr_for_layout(&ns!(), &local_name!("background")) .and_then(AttrValue::as_url) .cloned() } } } impl VirtualMethods for HTMLBodyElement { fn super_type(&self) -> Option<&VirtualMethods> { Some(self.upcast::() as &VirtualMethods) } fn bind_to_tree(&self, tree_in_doc: bool) { if let Some(ref s) = self.super_type() { s.bind_to_tree(tree_in_doc); } if !tree_in_doc { return } let window = window_from_node(self); let document = window.Document(); document.set_reflow_timeout(time::precise_time_ns() + INITIAL_REFLOW_DELAY); let event = ConstellationMsg::HeadParsed; window.upcast::().constellation_chan().send(event).unwrap(); } fn parse_plain_attribute(&self, name: &LocalName, value: DOMString) -> AttrValue { match *name { local_name!("bgcolor") | local_name!("text") => AttrValue::from_legacy_color(value.into()), local_name!("background") => { AttrValue::from_url(document_from_node(self).url(), value.into()) }, _ => self.super_type().unwrap().parse_plain_attribute(name, value), } } fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) { let do_super_mutate = match (attr.local_name(), mutation) { (name, AttributeMutation::Set(_)) if name.starts_with("on") => { let window = window_from_node(self); // https://html.spec.whatwg.org/multipage/ // #event-handlers-on-elements,-document-objects,-and-window-objects:event-handlers-3 match name { &local_name!("onfocus") | &local_name!("onload") | &local_name!("onscroll") | &local_name!("onafterprint") | &local_name!("onbeforeprint") | &local_name!("onbeforeunload") | &local_name!("onhashchange") | &local_name!("onlanguagechange") | &local_name!("onmessage") | &local_name!("onoffline") | &local_name!("ononline") | &local_name!("onpagehide") | &local_name!("onpageshow") | &local_name!("onpopstate") | &local_name!("onstorage") | &local_name!("onresize") | &local_name!("onunload") | &local_name!("onerror") => { let evtarget = window.upcast::(); // forwarded event let source_line = 1; //TODO(#9604) obtain current JS execution line evtarget.set_event_handler_uncompiled(window.get_url(), source_line, &name[2..], DOMString::from((**attr.value()).to_owned())); false } _ => true, // HTMLElement::attribute_mutated will take care of this. } }, _ => true, }; if do_super_mutate { self.super_type().unwrap().attribute_mutated(attr, mutation); } } }