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ui: Simplify vsync

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This commit is contained in:
Hajime Hoshi 2016-08-28 17:09:58 +09:00
parent 6c3af3a9dc
commit cddaae55dd
1 changed files with 4 additions and 12 deletions
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16
internal/ui/ui_js.go
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@ -48,19 +48,11 @@ func shown() bool {
func vsync() {
ch := make(chan struct{})
n := 1
var l func()
l = func() {
if 0 < n {
n--
// TODO: In iOS8, this is called at every 1/30[sec] frame.
// Can we use DOMHighResTimeStamp?
js.Global.Get("window").Call("requestAnimationFrame", l)
return
}
js.Global.Get("window").Call("requestAnimationFrame", func() {
// TODO: In iOS8, this is called at every 1/30[sec] frame.
// Can we use DOMHighResTimeStamp?
close(ch)
}
l()
})
<-ch
}