Merge pull request #1040 from lightpanda-io/event_timestamp_resolution

Increase event timeStamp resolution

src/browser/events/event.zig

@@ -113,7 +113,7 @@ pub const Event = struct {
     // Even though this is supposed to to provide microsecond resolution, browser
     // return coarser values to protect against fingerprinting. libdom returns
     // seconds, which is good enough.
-    pub fn get_timeStamp(self: *parser.Event) !u32 {
+    pub fn get_timeStamp(self: *parser.Event) !u64 {
         return parser.eventTimestamp(self);
     }
 

src/browser/netsurf.zig

@@ -505,11 +505,11 @@ pub fn eventIsTrusted(evt: *Event) !bool {
     return res;
 }
 
-pub fn eventTimestamp(evt: *Event) !u32 {
-    var ts: c_uint = undefined;
+pub fn eventTimestamp(evt: *Event) !u64 {
+    var ts: u64 = 0;
     const err = c._dom_event_get_timestamp(evt, &ts);
     try DOMErr(err);
-    return @as(u32, @intCast(ts));
+    return ts;
 }
 
 pub fn eventStopPropagation(evt: *Event) !void {

src/tests/events/event.html

@@ -5,7 +5,7 @@
 </div>
 
 <script id=dispatch>
-  const startTime = new Date().getTime();
+  const startTime =  new Event('x').timeStamp;
 
   let content = $('#content');
   // let para = document.getElementById('para');
@@ -27,7 +27,7 @@
   testing.expectEqual(true, evt.cancelable);
   testing.expectEqual(true, evt.defaultPrevented);
   testing.expectEqual(true, evt.isTrusted);
-  testing.expectEqual(true, evt.timeStamp >= Math.floor(startTime/1000));
+  testing.expectEqual(true, evt.timeStamp >= Math.floor(startTime));
 </script>
 
 <script id=propogate>