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fix(snack-bar): prevent error when opening multiple snack bars in fast succession (#2392)

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Fixes #2390.
This commit is contained in:
Kristiyan Kostadinov
2017-01-03 23:49:52 +01:00
committed by Kara
parent 61db84d150
commit 161f319d17
1 changed files with 10 additions and 6 deletions
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src/lib/snack-bar/snack-bar-container.ts
+10 -6
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@@ -92,11 +92,9 @@ export class MdSnackBarContainer extends BasePortalHost implements OnDestroy {
/** Handle end of animations, updating the state of the snackbar. */
onAnimationEnd(event: AnimationTransitionEvent) {
if (event.toState === 'void' || event.toState === 'complete') {
this._ngZone.run(() => {
this.onExit.next();
this.onExit.complete();
});
this._completeExit();
}
if (event.toState === 'visible') {
this._ngZone.run(() => {
this.onEnter.next();
@@ -131,8 +129,14 @@ export class MdSnackBarContainer extends BasePortalHost implements OnDestroy {
* Makes sure the exit callbacks have been invoked when the element is destroyed.
*/
ngOnDestroy() {
// Wait for the zone to settle before removing the element. Helps prevent
// errors where we end up removing an element which is in the middle of an animation.
this._completeExit();
}
/**
* Waits for the zone to settle before removing the element. Helps prevent
* errors where we end up removing an element which is in the middle of an animation.
*/
private _completeExit() {
this._ngZone.onMicrotaskEmpty.first().subscribe(() => {
this.onExit.next();
this.onExit.complete();