@Override
public boolean play() {
AudioElement elem = audio.getAudioElement();
elem.pause();
try {
// IE9 has been seen to throw an exception here
elem.setCurrentTime(0);
} catch (Exception ignore) {
}
if (elem.getCurrentTime() != 0) {
/*
* Workaround Chrome's inability to play the same audio twice:
* http://code.google.com/p/chromium/issues/detail?id=71323
* http://code.google.com/p/chromium/issues/detail?id=75725
*/
createAudioElement();
}
elem.play();
// best guess is that the sound played, so return true
return true;
}
private void createAudioElement() {
if (endedRegistration != null) {
endedRegistration.removeHandler();
}
if (audio != null) {
// TODO: remove, once DOM attachment no longer required to sink (bitless) events
audio.removeFromParent();
}
assert Audio.isSupported();
audio = Audio.createIfSupported();
assert audio != null;
AudioElement elem = audio.getAudioElement();
assert elem != null;
endedRegistration = audio.addEndedHandler(endedHandler);
// TODO: remove, once DOM attachment no longer required to sink (bitless) events
RootPanel.get().add(audio);
if (isCrossOrigin()) {
elem.setAttribute("crossOrigin", "anonymous");
}
elem.setSrc(getUrl());
}