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Storage notifications routed via the constellation.

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This commit is contained in:
Alan Jeffrey 2016-11-01 20:49:46 -05:00
parent ef74d8da3b
commit c91ef86a20
8 changed files with 67 additions and 39 deletions
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39
components/script/dom/storage.rs
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@ -17,6 +17,7 @@ use ipc_channel::ipc::{self, IpcSender};
use net_traits::IpcSend;
use net_traits::storage_thread::{StorageThreadMsg, StorageType};
use script_thread::{Runnable, ScriptThread};
use script_traits::ScriptMsg;
use task_source::TaskSource;
use url::Url;
@ -149,60 +150,60 @@ impl Storage {
/// https://html.spec.whatwg.org/multipage/#send-a-storage-notification
fn broadcast_change_notification(&self, key: Option<String>, old_value: Option<String>,
new_value: Option<String>) {
let pipeline_id = self.global().pipeline_id();
let storage = self.storage_type;
let url = self.get_url();
let msg = ScriptMsg::BroadcastStorageEvent(pipeline_id, storage, url, key, old_value, new_value);
self.global().constellation_chan().send(msg).unwrap();
}
/// https://html.spec.whatwg.org/multipage/#send-a-storage-notification
pub fn queue_storage_event(&self, url: Url,
key: Option<String>, old_value: Option<String>, new_value: Option<String>) {
let global = self.global();
let window = global.as_window();
let task_source = window.dom_manipulation_task_source();
let trusted_storage = Trusted::new(self);
task_source
.queue(
box StorageEventRunnable::new(trusted_storage, key, old_value, new_value), &global)
box StorageEventRunnable::new(trusted_storage, url, key, old_value, new_value), &global)
.unwrap();
}
}
pub struct StorageEventRunnable {
element: Trusted<Storage>,
url: Url,
key: Option<String>,
old_value: Option<String>,
new_value: Option<String>
}
impl StorageEventRunnable {
fn new(storage: Trusted<Storage>, key: Option<String>, old_value: Option<String>,
new_value: Option<String>) -> StorageEventRunnable {
StorageEventRunnable { element: storage, key: key, old_value: old_value, new_value: new_value }
fn new(storage: Trusted<Storage>, url: Url,
key: Option<String>, old_value: Option<String>, new_value: Option<String>) -> StorageEventRunnable {
StorageEventRunnable { element: storage, url: url, key: key, old_value: old_value, new_value: new_value }
}
}
impl Runnable for StorageEventRunnable {
fn name(&self) -> &'static str { "StorageEventRunnable" }
fn main_thread_handler(self: Box<StorageEventRunnable>, script_thread: &ScriptThread) {
fn main_thread_handler(self: Box<StorageEventRunnable>, _: &ScriptThread) {
let this = *self;
let storage = this.element.root();
let global = storage.global();
let ev_url = storage.get_url();
let window = global.as_window();
let storage_event = StorageEvent::new(
&global,
atom!("storage"),
EventBubbles::DoesNotBubble, EventCancelable::NotCancelable,
this.key.map(DOMString::from), this.old_value.map(DOMString::from), this.new_value.map(DOMString::from),
DOMString::from(ev_url.to_string()),
DOMString::from(this.url.into_string()),
Some(&storage)
);
// TODO: This is only iterating over documents in the current script
// thread, so we are not firing events to other script threads.
// NOTE: once that is fixed, we can remove borrow_documents from ScriptThread.
for (id, document) in script_thread.borrow_documents().iter() {
if ev_url.origin() == document.window().get_url().origin() {
// TODO: Such a Document object is not necessarily fully active, but events fired on such
// objects are ignored by the event loop until the Document becomes fully active again.
if global.pipeline_id() != id {
storage_event.upcast::<Event>().fire(document.window().upcast());
}
}
}
storage_event.upcast::<Event>().fire(window.upcast());
}
}