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fix(ivy): ensure that super/sub classes can both update an animation binding in harmony #30022

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fix(ivy): ensure that super/sub classes can both update an animation binding in harmony #30022

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21 changes: 7 additions & 14 deletions packages/animations/browser/src/render/transition_animation_engine.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -183,8 +183,9 @@ export class AnimationTransitionNamespace {
return trigger;
}

trigger(element: any, triggerName: string, value: any, defaultToFallback: boolean = true):
TransitionAnimationPlayer|undefined {
trigger(
element: any, triggerName: string, value: any, defaultToFallback: boolean = true,
isSubElementRemoval: boolean = false): TransitionAnimationPlayer|undefined {
const trigger = this._getTrigger(triggerName);
const player = new TransitionAnimationPlayer(this.id, triggerName, element);

Expand All @@ -203,21 +204,11 @@ export class AnimationTransitionNamespace {
toState.absorbOptions(fromState.options);
}

triggersWithStates[triggerName] = toState;

if (!fromState) {
fromState = DEFAULT_STATE_VALUE;
}

const isRemoval = toState.value === VOID_VALUE;

// normally this isn't reached by here, however, if an object expression
// is passed in then it may be a new object each time. Comparing the value
// is important since that will stay the same despite there being a new object.
// The removal arc here is special cased because the same element is triggered
// twice in the event that it contains animations on the outer/inner portions
// of the host container
if (!isRemoval && fromState.value === toState.value) {
if (!isSubElementRemoval && fromState.value === toState.value) {
// this means that despite the value not changing, some inner params
// have changed which means that the animation final styles need to be applied
if (!objEquals(fromState.params, toState.params)) {
Expand All @@ -236,6 +227,8 @@ export class AnimationTransitionNamespace {
return;
}

triggersWithStates[triggerName] = toState;

const playersOnElement: TransitionAnimationPlayer[] =
getOrSetAsInMap(this._engine.playersByElement, element, []);
playersOnElement.forEach(player => {
Expand Down Expand Up @@ -336,7 +329,7 @@ export class AnimationTransitionNamespace {
// this check is here in the event that an element is removed
// twice (both on the host level and the component level)
if (this._triggers[triggerName]) {
const player = this.trigger(element, triggerName, VOID_VALUE, defaultToFallback);
const player = this.trigger(element, triggerName, VOID_VALUE, defaultToFallback, true);
if (player) {
players.push(player);
}
Expand Down