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/* 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::HTMLCollectionBinding;
use dom::bindings::utils::{CacheableWrapper, BindingObject, WrapperCache};
use dom::bindings::utils::{DOMString, ErrorResult};
use dom::node::{AbstractNode, ScriptView};
use script_task::page_from_context;
use js::jsapi::{JSObject, JSContext};
use std::cast;
use std::ptr;
pub struct HTMLCollection {
elements: ~[AbstractNode<ScriptView>],
wrapper: WrapperCache
}
impl HTMLCollection {
pub fn new(elements: ~[AbstractNode<ScriptView>], cx: *JSContext, scope: *JSObject) -> @mut HTMLCollection {
let collection = @mut HTMLCollection {
elements: elements,
wrapper: WrapperCache::new()
};
collection.init_wrapper(cx, scope);
collection
}
pub fn init_wrapper(@mut self, cx: *JSContext, scope: *JSObject) {
self.wrap_object_shared(cx, scope);
}
pub fn Length(&self) -> u32 {
self.elements.len() as u32
}
pub fn Item(&self, index: u32) -> Option<AbstractNode<ScriptView>> {
if index < self.Length() {
Some(self.elements[index])
} else {
None
}
}
pub fn NamedItem(&self, _cx: *JSContext, _name: &DOMString, rv: &mut ErrorResult) -> *JSObject {
*rv = Ok(());
ptr::null()
}
pub fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<AbstractNode<ScriptView>> {
*found = true;
self.Item(index)
}
pub fn NamedGetter(&self, _cx: *JSContext, _name: &DOMString, _found: &mut bool, _rv: &mut ErrorResult) -> *JSObject {
ptr::null()
}
}
impl BindingObject for HTMLCollection {
fn GetParentObject(&self, cx: *JSContext) -> Option<@mut CacheableWrapper> {
let page = page_from_context(cx);
// TODO(tkuehn): This only handles the top-level frame. Need to grab subframes.
unsafe {
Some((*page).frame.get_ref().window as @mut CacheableWrapper)
}
}
}
impl CacheableWrapper for HTMLCollection {
fn get_wrappercache(&mut self) -> &mut WrapperCache {
unsafe {
cast::transmute(&self.wrapper)
}
}
fn wrap_object_shared(@mut self, cx: *JSContext, scope: *JSObject) -> *JSObject {
let mut unused = false;
HTMLCollectionBinding::Wrap(cx, scope, self, &mut unused)
}
}
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