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This implements the DOM tree accessors that return a HTMLCollection

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This commit is contained in:
Youngsoo Son 2013-08-01 11:56:17 +09:00
parent 7911ae5695
commit 8032b17e36
3 changed files with 78 additions and 16 deletions
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54
src/components/script/dom/htmldocument.rs
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@ -12,6 +12,8 @@ use dom::window::Window;
use js::jsapi::{JSObject, JSContext};
use servo_util::tree::TreeUtils;
use std::libc;
use std::ptr;
@ -64,33 +66,27 @@ impl HTMLDocument {
}
pub fn Images(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"img")
}
pub fn Embeds(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"embed")
}
pub fn Plugins(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.Embeds()
}
pub fn Links(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"link")
}
pub fn Forms(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"form")
}
pub fn Scripts(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"script")
}
pub fn Close(&self, _rv: &mut ErrorResult) {
@ -163,13 +159,11 @@ impl HTMLDocument {
}
pub fn Anchors(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"a")
}
pub fn Applets(&self) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
HTMLCollection::new(~[], cx, scope)
self.createHTMLCollection(~"applet")
}
pub fn Clear(&self) {
@ -178,6 +172,33 @@ impl HTMLDocument {
pub fn GetAll(&self, _cx: *JSContext, _rv: &mut ErrorResult) -> *libc::c_void {
ptr::null()
}
fn createHTMLCollection(&self, elem_name: ~str) -> @mut HTMLCollection {
let (scope, cx) = self.get_scope_and_cx();
let mut elements = ~[];
let _ = for self.parent.root.traverse_preorder |child| {
if child.is_element() {
do child.with_imm_element |elem| {
match elem_name {
~"link" => {
if elem.tag_name == ~"a" || elem.tag_name == ~"area" {
match elem.get_attr("href") {
Some(_val) => elements.push(child),
None() => ()
}
}
}
_ => {
if elem.tag_name == elem_name {
elements.push(child);
}
}
}
}
}
};
HTMLCollection::new(elements, cx, scope)
}
}
impl CacheableWrapper for HTMLDocument {
@ -196,3 +217,4 @@ impl BindingObject for HTMLDocument {
self.parent.GetParentObject(cx)
}
}