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Implement dissimilar-origin postMessage.

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This commit is contained in:
Alan Jeffrey 2017-02-14 16:06:28 -06:00
parent f5c67fda04
commit f9c5d0c117
12 changed files with 191 additions and 13 deletions
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36
components/script/dom/dissimilaroriginwindow.rs
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@ -4,9 +4,12 @@
use dom::bindings::codegen::Bindings::DissimilarOriginWindowBinding;
use dom::bindings::codegen::Bindings::DissimilarOriginWindowBinding::DissimilarOriginWindowMethods;
use dom::bindings::error::{Error, ErrorResult};
use dom::bindings::inheritance::Castable;
use dom::bindings::js::{JS, MutNullableJS, Root};
use dom::bindings::reflector::DomObject;
use dom::bindings::str::DOMString;
use dom::bindings::structuredclone::StructuredCloneData;
use dom::browsingcontext::BrowsingContext;
use dom::dissimilaroriginlocation::DissimilarOriginLocation;
use dom::globalscope::GlobalScope;
@ -15,6 +18,9 @@ use ipc_channel::ipc;
use js::jsapi::{JSContext, HandleValue};
use js::jsval::{JSVal, UndefinedValue};
use msg::constellation_msg::PipelineId;
use script_traits::ScriptMsg as ConstellationMsg;
use servo_url::ImmutableOrigin;
use servo_url::ServoUrl;
/// Represents a dissimilar-origin `Window` that exists in another script thread.
///
@ -107,8 +113,27 @@ impl DissimilarOriginWindowMethods for DissimilarOriginWindow {
#[allow(unsafe_code)]
// https://html.spec.whatwg.org/multipage/#dom-window-postmessage
unsafe fn PostMessage(&self, _: *mut JSContext, _: HandleValue, _: DOMString) {
// TODO: Implement x-origin postMessage
unsafe fn PostMessage(&self, cx: *mut JSContext, message: HandleValue, origin: DOMString) -> ErrorResult {
// Step 3-5.
let origin = match &origin[..] {
"*" => None,
"/" => {
// TODO: Should be the origin of the incumbent settings object.
None
},
url => match ServoUrl::parse(&url) {
Ok(url) => Some(url.origin()),
Err(_) => return Err(Error::Syntax),
}
};
// Step 1-2, 6-8.
// TODO(#12717): Should implement the `transfer` argument.
let data = try!(StructuredCloneData::write(cx, message));
// Step 9.
self.post_message(origin, data);
Ok(())
}
#[allow(unsafe_code)]
@ -139,3 +164,10 @@ impl DissimilarOriginWindowMethods for DissimilarOriginWindow {
self.location.or_init(|| DissimilarOriginLocation::new(self))
}
}
impl DissimilarOriginWindow {
pub fn post_message(&self, origin: Option<ImmutableOrigin>, data: StructuredCloneData) {
let msg = ConstellationMsg::PostMessage(self.browsing_context.frame_id(), origin, data.move_to_arraybuffer());
let _ = self.upcast::<GlobalScope>().constellation_chan().send(msg);
}
}