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fix(nav): transitioning state is a boolean not a timer

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long async promises in canLeave / canEnter can lead to a false negative of isTransitioning()
It is key for the internal consistency of NavController to always know the correct state
This commit is contained in:
Manu Mtz.-Almeida
2016-11-04 20:16:56 +01:00
parent beab06f7ce
commit 63d495ae43
1 changed files with 6 additions and 10 deletions
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16
src/navigation/nav-controller-base.ts
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@ -34,7 +34,7 @@ export class NavControllerBase extends Ion implements NavController {
_sbThreshold: number;
_sbTrns: Transition;
_trnsId: number = null;
_trnsTm: number = 0;
_trnsTm: boolean = false;
_viewport: ViewContainerRef;
_views: ViewController[] = [];
@ -597,7 +597,7 @@ export class NavControllerBase extends Ion implements NavController {
const duration = transition.getDuration();
// set that this nav is actively transitioning
this.setTransitioning(true, duration);
this.setTransitioning(true);
if (transition.isRoot()) {
// this is the top most, or only active transition, so disable the app
@ -883,7 +883,7 @@ export class NavControllerBase extends Ion implements NavController {
if (this._sbTrns && this._sbGesture) {
// continue to disable the app while actively dragging
this._app.setEnabled(false, ACTIVE_TRANSITION_DEFAULT);
this.setTransitioning(true, ACTIVE_TRANSITION_DEFAULT);
this.setTransitioning(true);
// set the transition animation's progress
this._sbTrns.progressStep(stepValue);
@ -933,15 +933,11 @@ export class NavControllerBase extends Ion implements NavController {
}
isTransitioning(): boolean {
if (this._trnsTm === 0) {
return false;
}
// using a timestamp instead of boolean incase something goes wrong
return (this._trnsTm > Date.now());
return this._trnsTm;
}
setTransitioning(isTransitioning: boolean, durationPadding: number = ACTIVE_TRANSITION_DEFAULT) {
this._trnsTm = (isTransitioning ? (Date.now() + durationPadding + ACTIVE_TRANSITION_OFFSET) : 0);
setTransitioning(isTransitioning: boolean) {
this._trnsTm = isTransitioning;
}
getActive(): ViewController {