implement related sw interface and register method

components/script/dom/serviceworkerregistration.rs

@@ -0,0 +1,67 @@
+/* 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::ServiceWorkerBinding::ServiceWorkerState;
+use dom::bindings::codegen::Bindings::ServiceWorkerRegistrationBinding::{ServiceWorkerRegistrationMethods, Wrap};
+use dom::bindings::global::GlobalRef;
+use dom::bindings::js::{JS, Root};
+use dom::bindings::reflector::reflect_dom_object;
+use dom::bindings::str::USVString;
+use dom::eventtarget::EventTarget;
+use dom::serviceworker::ServiceWorker;
+use dom::serviceworkercontainer::Controllable;
+use url::Url;
+
+#[dom_struct]
+pub struct ServiceWorkerRegistration {
+    eventtarget: EventTarget,
+    active: Option<JS<ServiceWorker>>,
+    installing: Option<JS<ServiceWorker>>,
+    waiting: Option<JS<ServiceWorker>>,
+    scope: String,
+}
+
+impl ServiceWorkerRegistration {
+    fn new_inherited(active_sw: &ServiceWorker, scope: String) -> ServiceWorkerRegistration {
+        ServiceWorkerRegistration {
+            eventtarget: EventTarget::new_inherited(),
+            active: Some(JS::from_ref(active_sw)),
+            installing: None,
+            waiting: None,
+            scope: scope
+        }
+    }
+    #[allow(unrooted_must_root)]
+    pub fn new(global: GlobalRef,
+               script_url: Url,
+               scope: String,
+               container: &Controllable) -> Root<ServiceWorkerRegistration> {
+        let active_worker = ServiceWorker::init_service_worker(global, script_url, true);
+        active_worker.set_transition_state(ServiceWorkerState::Installed);
+        container.set_controller(&*active_worker.clone());
+        reflect_dom_object(box ServiceWorkerRegistration::new_inherited(&*active_worker, scope), global, Wrap)
+    }
+}
+
+impl ServiceWorkerRegistrationMethods for ServiceWorkerRegistration {
+    // https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-registration-installing-attribute
+    fn GetInstalling(&self) -> Option<Root<ServiceWorker>> {
+        self.installing.as_ref().map(|sw| Root::from_ref(&**sw))
+    }
+
+    // https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-registration-active-attribute
+    fn GetActive(&self) -> Option<Root<ServiceWorker>> {
+        self.active.as_ref().map(|sw| Root::from_ref(&**sw))
+    }
+
+    // https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-registration-waiting-attribute
+    fn GetWaiting(&self) -> Option<Root<ServiceWorker>> {
+        self.waiting.as_ref().map(|sw| Root::from_ref(&**sw))
+    }
+
+    // https://slightlyoff.github.io/ServiceWorker/spec/service_worker/#service-worker-registration-scope-attribute
+    fn Scope(&self) -> USVString {
+        USVString(self.scope.clone())
+    }
+}