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Bug fix: Use document.hidden (focus/blue event is not reliable when using <iframe>)

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This commit is contained in:
Hajime Hoshi 2015-01-08 11:56:03 +09:00
parent 36a5bdf99a
commit 5dade52621
1 changed files with 4 additions and 13 deletions
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17
internal/ui/ui_js.go
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@ -26,18 +26,9 @@ import (
var canvas js.Object
var context *opengl.Context
var windowIsFocused = true
func init() {
// TODO: Check IE
window := js.Global.Get("window")
// Get the top window in case that this window is in an iframe.
window.Get("top").Call("addEventListener", "focus", func() {
windowIsFocused = true
})
window.Get("top").Call("addEventListener", "blur", func() {
windowIsFocused = false
})
func shown() bool {
w := js.Global.Get("window").Get("top")
return !w.Get("document").Get("hidden").Bool()
}
func Use(f func(*opengl.Context)) {
@ -54,7 +45,7 @@ func vsync() {
func DoEvents() {
vsync()
for !windowIsFocused {
for !shown() {
vsync()
}
}