servo/components/script/dom/storage.rs

120 lines
3.5 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/. */
use dom::bindings::codegen::Bindings::StorageBinding;
use dom::bindings::codegen::Bindings::StorageBinding::StorageMethods;
use dom::bindings::global::{GlobalRef, GlobalField};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::utils::{Reflector, reflect_dom_object};
use dom::bindings::error::Fallible;
use servo_util::str::DOMString;
use servo_net::storage_task::StorageTask;
use servo_net::storage_task::StorageTaskMsg;
use std::sync::mpsc::channel;
use url::Url;
#[dom_struct]
pub struct Storage {
reflector_: Reflector,
global: GlobalField,
}
impl Storage {
fn new_inherited(global: &GlobalRef) -> Storage {
Storage {
reflector_: Reflector::new(),
global: GlobalField::from_rooted(global),
}
}
pub fn new(global: &GlobalRef) -> Temporary<Storage> {
reflect_dom_object(box Storage::new_inherited(global), *global, StorageBinding::Wrap)
}
pub fn Constructor(global: &GlobalRef) -> Fallible<Temporary<Storage>> {
Ok(Storage::new(global))
}
fn get_url(&self) -> Url {
let global_root = self.global.root();
let global_ref = global_root.r();
global_ref.get_url()
}
fn get_storage_task(&self) -> StorageTask {
let global_root = self.global.root();
let global_ref = global_root.r();
global_ref.as_window().storage_task()
}
}
impl<'a> StorageMethods for JSRef<'a, Storage> {
fn Length(self) -> u32 {
let (sender, receiver) = channel();
self.get_storage_task().send(StorageTaskMsg::Length(sender, self.get_url()));
receiver.recv().unwrap()
}
fn Key(self, index: u32) -> Option<DOMString> {
let (sender, receiver) = channel();
self.get_storage_task().send(StorageTaskMsg::Key(sender, self.get_url(), index));
receiver.recv().unwrap()
}
fn GetItem(self, name: DOMString) -> Option<DOMString> {
let (sender, receiver) = channel();
self.get_storage_task().send(StorageTaskMsg::GetItem(sender, self.get_url(), name));
receiver.recv().unwrap()
}
fn NamedGetter(self, name: DOMString, found: &mut bool) -> Option<DOMString> {
let item = self.GetItem(name);
*found = item.is_some();
item
}
fn SetItem(self, name: DOMString, value: DOMString) {
let (sender, receiver) = channel();
self.get_storage_task().send(StorageTaskMsg::SetItem(sender, self.get_url(), name, value));
if receiver.recv().unwrap() {
//TODO send notification
}
}
fn NamedSetter(self, name: DOMString, value: DOMString) {
self.SetItem(name, value);
}
fn NamedCreator(self, name: DOMString, value: DOMString) {
self.SetItem(name, value);
}
fn RemoveItem(self, name: DOMString) {
let (sender, receiver) = channel();
self.get_storage_task().send(StorageTaskMsg::RemoveItem(sender, self.get_url(), name));
if receiver.recv().unwrap() {
//TODO send notification
}
}
fn NamedDeleter(self, name: DOMString) {
self.RemoveItem(name);
}
fn Clear(self) {
let (sender, receiver) = channel();
self.get_storage_task().send(StorageTaskMsg::Clear(sender, self.get_url()));
if receiver.recv().unwrap() {
//TODO send notification
}
}
}