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feat(refresher): add iOS native refresher (#20037)

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fixes #18664
This commit is contained in:
Liam DeBeasi
2019-12-18 10:52:58 -05:00
committed by GitHub
parent 6d6aba6d40
commit 04e7c03132
17 changed files with 684 additions and 58 deletions
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12
core/src/components/header/header.utils.ts
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@ -49,14 +49,18 @@ export const createHeaderIndex = (headerEl: HTMLElement | undefined): HeaderInde
} as HeaderIndex;
};
export const handleContentScroll = (scrollEl: HTMLElement, scrollHeaderIndex: HeaderIndex) => {
export const handleContentScroll = (scrollEl: HTMLElement, scrollHeaderIndex: HeaderIndex, contentEl: HTMLElement) => {
readTask(() => {
const scrollTop = scrollEl.scrollTop;
const scale = clamp(1, 1 + (-scrollTop / 500), 1.1);
writeTask(() => {
scaleLargeTitles(scrollHeaderIndex.toolbars, scale);
});
// Native refresher should not cause titles to scale
const nativeRefresher = contentEl.querySelector('ion-refresher.refresher-native');
if (nativeRefresher === null) {
writeTask(() => {
scaleLargeTitles(scrollHeaderIndex.toolbars, scale);
});
}
});
};