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perf(content): scrollview magic activated on demand

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This commit is contained in:
Manu Mtz.-Almeida
2017-03-16 18:17:24 +01:00
parent 963cdcbe76
commit 7e9bad5092
5 changed files with 83 additions and 65 deletions
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9
src/components/virtual-scroll/virtual-scroll.ts
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@ -708,17 +708,10 @@ export class VirtualScroll implements DoCheck, AfterContentInit, OnDestroy {
*/
private _listeners() {
if (!this._scrollSub) {
if (this._config.getBoolean('virtualScrollEventAssist')) {
// use JS scrolling for iOS UIWebView
// goal is to completely remove this when iOS
// fully supports scroll events
// listen to JS scroll events
this._content.enableJsScroll();
}
this._resizeSub = this._plt.resize.subscribe(this.resize.bind(this));
this._scrollSub = this._content.ionScroll.subscribe(this.scrollUpdate.bind(this));
this._scrollEndSub = this._content.ionScrollEnd.subscribe(this.scrollEnd.bind(this));
this._content.enableScrollListener();
}
}