Permission API

components/script/dom/permissionstatus.rs

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+/* 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 core::clone::Clone;
+use dom::bindings::cell::DOMRefCell;
+use dom::bindings::codegen::Bindings::EventHandlerBinding::EventHandlerNonNull;
+use dom::bindings::codegen::Bindings::PermissionStatusBinding::{self, PermissionDescriptor, PermissionName};
+use dom::bindings::codegen::Bindings::PermissionStatusBinding::{PermissionState, PermissionStatusMethods};
+use dom::bindings::js::Root;
+use dom::bindings::reflector::reflect_dom_object;
+use dom::eventtarget::EventTarget;
+use dom::globalscope::GlobalScope;
+
+// https://w3c.github.io/permissions/#permissionstatus
+#[dom_struct]
+pub struct PermissionStatus {
+    eventtarget: EventTarget,
+    state: DOMRefCell<PermissionState>,
+    query: DOMRefCell<PermissionName>,
+}
+
+impl PermissionStatus {
+    pub fn new_inherited(query: PermissionName) -> PermissionStatus {
+        PermissionStatus {
+            eventtarget: EventTarget::new_inherited(),
+            state: DOMRefCell::new(PermissionState::Denied),
+            query: DOMRefCell::new(query),
+        }
+    }
+
+    pub fn new(global: &GlobalScope, query: &PermissionDescriptor) -> Root<PermissionStatus> {
+        reflect_dom_object(box PermissionStatus::new_inherited(query.name),
+                           global,
+                           PermissionStatusBinding::Wrap)
+    }
+
+    pub fn set_state(&self, state: PermissionState) {
+        *self.state.borrow_mut() = state;
+    }
+
+    pub fn get_query(&self) -> PermissionName {
+        self.query.borrow().clone()
+    }
+}
+
+impl PermissionStatusMethods for PermissionStatus {
+    // https://w3c.github.io/permissions/#dom-permissionstatus-state
+    fn State(&self) -> PermissionState {
+        self.state.borrow().clone()
+    }
+
+    // https://w3c.github.io/permissions/#dom-permissionstatus-onchange
+    event_handler!(onchange, GetOnchange, SetOnchange);
+}