servo/components/script/dom/testbindingpairiterable.rs
2016-10-06 20:59:09 +02:00

55 lines
1.9 KiB
Rust

/* 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/. */
// check-tidy: no specs after this line
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::TestBindingPairIterableBinding;
use dom::bindings::codegen::Bindings::TestBindingPairIterableBinding::TestBindingPairIterableMethods;
use dom::bindings::error::Fallible;
use dom::bindings::global::GlobalRef;
use dom::bindings::iterable::Iterable;
use dom::bindings::js::Root;
use dom::bindings::reflector::{Reflector, reflect_dom_object};
use dom::bindings::str::DOMString;
use dom::globalscope::GlobalScope;
#[dom_struct]
pub struct TestBindingPairIterable {
reflector: Reflector,
map: DOMRefCell<Vec<(DOMString, u32)>>,
}
impl Iterable for TestBindingPairIterable {
type Key = DOMString;
type Value = u32;
fn get_iterable_length(&self) -> u32 {
self.map.borrow().len() as u32
}
fn get_value_at_index(&self, index: u32) -> u32 {
self.map.borrow().iter().nth(index as usize).map(|a| &a.1).unwrap().clone()
}
fn get_key_at_index(&self, index: u32) -> DOMString {
self.map.borrow().iter().nth(index as usize).map(|a| &a.0).unwrap().clone()
}
}
impl TestBindingPairIterable {
fn new(global: &GlobalScope) -> Root<TestBindingPairIterable> {
reflect_dom_object(box TestBindingPairIterable {
reflector: Reflector::new(),
map: DOMRefCell::new(vec![]),
}, global, TestBindingPairIterableBinding::TestBindingPairIterableWrap)
}
pub fn Constructor(global: GlobalRef) -> Fallible<Root<TestBindingPairIterable>> {
Ok(TestBindingPairIterable::new(global.as_global_scope()))
}
}
impl TestBindingPairIterableMethods for TestBindingPairIterable {
fn Add(&self, key: DOMString, value: u32) {
self.map.borrow_mut().push((key, value));
}
}