1 files changed, 88 insertions, 0 deletions
diff --git a/components/script/dom/performanceentry.rs b/components/script/dom/performanceentry.rs
new file mode 100644
index 00000000000..8197deb8976
--- /dev/null
+++ b/components/script/dom/performanceentry.rs
@@ -0,0 +1,88 @@
+/* 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 https://mozilla.org/MPL/2.0/. */
+
+use crate::dom::bindings::codegen::Bindings::PerformanceBinding::DOMHighResTimeStamp;
+use crate::dom::bindings::codegen::Bindings::PerformanceEntryBinding::PerformanceEntryMethods;
+use crate::dom::bindings::reflector::{reflect_dom_object, Reflector};
+use crate::dom::bindings::root::DomRoot;
+use crate::dom::bindings::str::DOMString;
+use crate::dom::globalscope::GlobalScope;
+use crate::dom::performance::reduce_timing_resolution;
+use dom_struct::dom_struct;
+
+#[dom_struct]
+pub struct PerformanceEntry {
+    reflector_: Reflector,
+    name: DOMString,
+    entry_type: DOMString,
+    start_time: f64,
+    duration: f64,
+}
+
+impl PerformanceEntry {
+    pub fn new_inherited(
+        name: DOMString,
+        entry_type: DOMString,
+        start_time: f64,
+        duration: f64,
+    ) -> PerformanceEntry {
+        PerformanceEntry {
+            reflector_: Reflector::new(),
+            name,
+            entry_type,
+            start_time,
+            duration,
+        }
+    }
+
+    #[allow(unrooted_must_root)]
+    pub fn new(
+        global: &GlobalScope,
+        name: DOMString,
+        entry_type: DOMString,
+        start_time: f64,
+        duration: f64,
+    ) -> DomRoot<PerformanceEntry> {
+        let entry = PerformanceEntry::new_inherited(name, entry_type, start_time, duration);
+        reflect_dom_object(Box::new(entry), global)
+    }
+
+    pub fn entry_type(&self) -> &DOMString {
+        &self.entry_type
+    }
+
+    pub fn name(&self) -> &DOMString {
+        &self.name
+    }
+
+    pub fn start_time(&self) -> f64 {
+        self.start_time
+    }
+
+    pub fn duration(&self) -> f64 {
+        self.duration
+    }
+}
+
+impl PerformanceEntryMethods for PerformanceEntry {
+    // https://w3c.github.io/performance-timeline/#dom-performanceentry-name
+    fn Name(&self) -> DOMString {
+        DOMString::from(self.name.clone())
+    }
+
+    // https://w3c.github.io/performance-timeline/#dom-performanceentry-entrytype
+    fn EntryType(&self) -> DOMString {
+        DOMString::from(self.entry_type.clone())
+    }
+
+    // https://w3c.github.io/performance-timeline/#dom-performanceentry-starttime
+    fn StartTime(&self) -> DOMHighResTimeStamp {
+        reduce_timing_resolution(self.start_time)
+    }
+
+    // https://w3c.github.io/performance-timeline/#dom-performanceentry-duration
+    fn Duration(&self) -> DOMHighResTimeStamp {
+        reduce_timing_resolution(self.duration)
+    }
+}