diff options
Diffstat (limited to 'components/script/dom/htmlelement.rs')
-rw-r--r-- | components/script/dom/htmlelement.rs | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/components/script/dom/htmlelement.rs b/components/script/dom/htmlelement.rs new file mode 100644 index 00000000000..076ba5fddce --- /dev/null +++ b/components/script/dom/htmlelement.rs @@ -0,0 +1,120 @@ +/* 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 dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull; +use dom::bindings::codegen::Bindings::HTMLElementBinding; +use dom::bindings::codegen::Bindings::HTMLElementBinding::HTMLElementMethods; +use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods; +use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLFrameSetElementDerived}; +use dom::bindings::codegen::InheritTypes::EventTargetCast; +use dom::bindings::codegen::InheritTypes::{HTMLElementDerived, HTMLBodyElementDerived}; +use dom::bindings::js::{JSRef, Temporary}; +use dom::bindings::utils::{Reflectable, Reflector}; +use dom::document::Document; +use dom::element::{Element, ElementTypeId, HTMLElementTypeId}; +use dom::eventtarget::{EventTarget, EventTargetHelpers, NodeTargetTypeId}; +use dom::node::{Node, ElementNodeTypeId, window_from_node}; +use dom::virtualmethods::VirtualMethods; + +use servo_util::atom::Atom; +use servo_util::namespace; +use servo_util::str::DOMString; + +#[deriving(Encodable)] +pub struct HTMLElement { + pub element: Element +} + +impl HTMLElementDerived for EventTarget { + fn is_htmlelement(&self) -> bool { + match self.type_id { + NodeTargetTypeId(ElementNodeTypeId(ElementTypeId)) => false, + NodeTargetTypeId(ElementNodeTypeId(_)) => true, + _ => false + } + } +} + +impl HTMLElement { + pub fn new_inherited(type_id: ElementTypeId, tag_name: DOMString, document: &JSRef<Document>) -> HTMLElement { + HTMLElement { + element: Element::new_inherited(type_id, tag_name, namespace::HTML, None, document) + } + } + + pub fn new(localName: DOMString, document: &JSRef<Document>) -> Temporary<HTMLElement> { + let element = HTMLElement::new_inherited(HTMLElementTypeId, localName, document); + Node::reflect_node(box element, document, HTMLElementBinding::Wrap) + } +} + +trait PrivateHTMLElementHelpers { + fn is_body_or_frameset(&self) -> bool; +} + +impl<'a> PrivateHTMLElementHelpers for JSRef<'a, HTMLElement> { + fn is_body_or_frameset(&self) -> bool { + let eventtarget: &JSRef<EventTarget> = EventTargetCast::from_ref(self); + eventtarget.is_htmlbodyelement() || eventtarget.is_htmlframesetelement() + } +} + +impl<'a> HTMLElementMethods for JSRef<'a, HTMLElement> { + fn GetOnclick(&self) -> Option<EventHandlerNonNull> { + let eventtarget: &JSRef<EventTarget> = EventTargetCast::from_ref(self); + eventtarget.get_event_handler_common("click") + } + + fn SetOnclick(&self, listener: Option<EventHandlerNonNull>) { + let eventtarget: &JSRef<EventTarget> = EventTargetCast::from_ref(self); + eventtarget.set_event_handler_common("click", listener) + } + + fn GetOnload(&self) -> Option<EventHandlerNonNull> { + if self.is_body_or_frameset() { + let win = window_from_node(self).root(); + win.deref().GetOnload() + } else { + None + } + } + + fn SetOnload(&self, listener: Option<EventHandlerNonNull>) { + if self.is_body_or_frameset() { + let win = window_from_node(self).root(); + win.deref().SetOnload(listener) + } + } +} + +impl<'a> VirtualMethods for JSRef<'a, HTMLElement> { + fn super_type<'a>(&'a self) -> Option<&'a VirtualMethods> { + let element: &JSRef<Element> = ElementCast::from_ref(self); + Some(element as &VirtualMethods) + } + + fn after_set_attr(&self, name: &Atom, value: DOMString) { + match self.super_type() { + Some(ref s) => s.after_set_attr(name, value.clone()), + _ => (), + } + + if name.as_slice().starts_with("on") { + let window = window_from_node(self).root(); + let (cx, url, reflector) = (window.get_cx(), + window.get_url(), + window.reflector().get_jsobject()); + let evtarget: &JSRef<EventTarget> = EventTargetCast::from_ref(self); + evtarget.set_event_handler_uncompiled(cx, url, reflector, + name.as_slice().slice_from(2), + value); + } + } +} + +impl Reflectable for HTMLElement { + fn reflector<'a>(&'a self) -> &'a Reflector { + self.element.reflector() + } +} |