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Keep the native animation loop running as long as there are unprocessed callbacks.

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Jürg Lehni 2013-11-02 20:26:06 +01:00
parent a6c175c82c
commit c797f2f0ad
1 changed files with 12 additions and 2 deletions
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14
src/dom/DomEvent.js
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@ -106,7 +106,6 @@ DomEvent.requestAnimationFrame = new function() {
}); });
function handleCallbacks() { function handleCallbacks() {
requested = false;
// Checks all installed callbacks for element visibility and // Checks all installed callbacks for element visibility and
// execute if needed. // execute if needed.
for (var i = callbacks.length - 1; i >= 0; i--) { for (var i = callbacks.length - 1; i >= 0; i--) {
@ -115,11 +114,22 @@ DomEvent.requestAnimationFrame = new function() {
el = entry[1]; el = entry[1];
if (!el || (PaperScope.getAttribute(el, 'keepalive') == 'true' if (!el || (PaperScope.getAttribute(el, 'keepalive') == 'true'
|| focused) && DomElement.isInView(el)) { || focused) && DomElement.isInView(el)) {
// Handle callback and remove it from callbacks list. // Only remove from the list once the callback was called. This
// could take a long time based on visibility. But this way we
// are sure to keep the animation loop running.
callbacks.splice(i, 1); callbacks.splice(i, 1);
func(); func();
} }
} }
if (nativeRequest) {
if (callbacks.length) {
// If we haven't processed all callbacks yet, we need to keep
// the loop running, as otherwise it would die off.
nativeRequest(handleCallbacks);
} else {
requested = false;
}
}
} }
return function(callback, element) { return function(callback, element) {