add popstateevent, hashchangeevent, pagetransitionevent

components/script/dom/popstateevent.rs

@@ -0,0 +1,79 @@
+/* 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::EventBinding::EventMethods;
+use dom::bindings::codegen::Bindings::PopStateEventBinding;
+use dom::bindings::codegen::Bindings::PopStateEventBinding::PopStateEventMethods;
+use dom::bindings::error::Fallible;
+use dom::bindings::global::GlobalRef;
+use dom::bindings::inheritance::Castable;
+use dom::bindings::js::{MutHeapJSVal, Root};
+use dom::bindings::reflector::reflect_dom_object;
+use dom::event::Event;
+use js::jsapi::{HandleValue, JSContext};
+use js::jsval::JSVal;
+use string_cache::Atom;
+use util::str::DOMString;
+
+// https://html.spec.whatwg.org/multipage/#the-popstateevent-interface
+#[dom_struct]
+pub struct PopStateEvent {
+    event: Event,
+    #[ignore_heap_size_of = "Defined in rust-mozjs"]
+    state: MutHeapJSVal,
+}
+
+impl PopStateEvent {
+    fn new_inherited() -> PopStateEvent {
+        PopStateEvent {
+            event: Event::new_inherited(),
+            state: MutHeapJSVal::new(),
+        }
+    }
+
+    pub fn new_uninitialized(global: GlobalRef) -> Root<PopStateEvent> {
+        reflect_dom_object(box PopStateEvent::new_inherited(),
+                           global,
+                           PopStateEventBinding::Wrap)
+    }
+
+    pub fn new(global: GlobalRef,
+               type_: Atom,
+               bubbles: bool,
+               cancelable: bool,
+               state: HandleValue)
+               -> Root<PopStateEvent> {
+        let ev = PopStateEvent::new_uninitialized(global);
+        ev.state.set(state.get());
+        {
+            let event = ev.upcast::<Event>();
+            event.init_event(type_, bubbles, cancelable);
+        }
+        ev
+    }
+
+    #[allow(unsafe_code)]
+    pub fn Constructor(global: GlobalRef,
+                       type_: DOMString,
+                       init: &PopStateEventBinding::PopStateEventInit)
+                       -> Fallible<Root<PopStateEvent>> {
+        Ok(PopStateEvent::new(global,
+                              Atom::from(type_),
+                              init.parent.bubbles,
+                              init.parent.cancelable,
+                              unsafe { HandleValue::from_marked_location(&init.state) }))
+    }
+}
+
+impl PopStateEventMethods for PopStateEvent {
+    // https://html.spec.whatwg.org/multipage/#dom-popstateevent-state
+    fn State(&self, _cx: *mut JSContext) -> JSVal {
+        self.state.get()
+    }
+
+    // https://dom.spec.whatwg.org/#dom-event-istrusted
+    fn IsTrusted(&self) -> bool {
+        self.event.IsTrusted()
+    }
+}