Bug 1295023 - ignore to set the same value for the ready state. r=rillian

MozReview-Commit-ID: 9OWJfnWAwj9
2016-08-18 19:10:31 +08:00
parent 59db6d7991
commit 4ef94d19ed
1 changed files with 4 additions and 0 deletions
--- a/dom/html/HTMLTrackElement.cpp
+++ b/dom/html/HTMLTrackElement.cpp
@@ -392,6 +392,10 @@ HTMLTrackElement::ReadyState() const
 void
 HTMLTrackElement::SetReadyState(uint16_t aReadyState)
 {
+  if (ReadyState() == aReadyState) {
+    return;
+  }
+
  if (mTrack) {
    switch (aReadyState) {
      case TextTrackReadyState::Loaded: