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[Glitch] Change single-column mode to scroll the whole page

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Port aa22b38fdb to glitch-soc

Signed-off-by: Thibaut Girka <thib@sitedethib.com>
This commit is contained in:
Eugen Rochko
2019-07-19 09:25:22 +02:00
committed by Thibaut Girka
parent 3921125e55
commit 9e2e623ebe
26 changed files with 150 additions and 42 deletions
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60
app/javascript/flavours/glitch/components/scrollable_list.js
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@ -35,6 +35,7 @@ export default class ScrollableList extends PureComponent {
alwaysPrepend: PropTypes.bool,
emptyMessage: PropTypes.node,
children: PropTypes.node,
bindToDocument: PropTypes.bool,
};
static defaultProps = {
@ -50,7 +51,9 @@ export default class ScrollableList extends PureComponent {
handleScroll = throttle(() => {
if (this.node) {
const { scrollTop, scrollHeight, clientHeight } = this.node;
const scrollTop = this.getScrollTop();
const scrollHeight = this.getScrollHeight();
const clientHeight = this.getClientHeight();
const offset = scrollHeight - scrollTop - clientHeight;
if (400 > offset && this.props.onLoadMore && this.props.hasMore && !this.props.isLoading) {
@ -80,9 +83,14 @@ export default class ScrollableList extends PureComponent {
scrollToTopOnMouseIdle = false;
setScrollTop = newScrollTop => {
if (this.node.scrollTop !== newScrollTop) {
if (this.getScrollTop() !== newScrollTop) {
this.lastScrollWasSynthetic = true;
this.node.scrollTop = newScrollTop;
if (this.props.bindToDocument) {
document.scrollingElement.scrollTop = newScrollTop;
} else {
this.node.scrollTop = newScrollTop;
}
}
};
@ -100,7 +108,7 @@ export default class ScrollableList extends PureComponent {
this.mouseIdleTimer =
setTimeout(this.handleMouseIdle, MOUSE_IDLE_DELAY);
if (!this.mouseMovedRecently && this.node.scrollTop === 0) {
if (!this.mouseMovedRecently && this.getScrollTop() === 0) {
// Only set if we just started moving and are scrolled to the top.
this.scrollToTopOnMouseIdle = true;
}
@ -132,15 +140,27 @@ export default class ScrollableList extends PureComponent {
}
getScrollPosition = () => {
if (this.node && (this.node.scrollTop > 0 || this.mouseMovedRecently)) {
return {height: this.node.scrollHeight, top: this.node.scrollTop};
if (this.node && (this.getScrollTop() > 0 || this.mouseMovedRecently)) {
return { height: this.getScrollHeight(), top: this.getScrollTop() };
} else {
return null;
}
}
getScrollTop = () => {
return this.props.bindToDocument ? document.scrollingElement.scrollTop : this.node.scrollTop;
}
getScrollHeight = () => {
return this.props.bindToDocument ? document.scrollingElement.scrollHeight : this.node.scrollHeight;
}
getClientHeight = () => {
return this.props.bindToDocument ? document.scrollingElement.clientHeight : this.node.clientHeight;
}
updateScrollBottom = (snapshot) => {
const newScrollTop = this.node.scrollHeight - snapshot;
const newScrollTop = this.getScrollHeight() - snapshot;
this.setScrollTop(newScrollTop);
}
@ -155,8 +175,8 @@ export default class ScrollableList extends PureComponent {
this.getFirstChildKey(prevProps) !== this.getFirstChildKey(this.props);
const pendingChanged = (prevProps.numPending > 0) !== (this.props.numPending > 0);
if (pendingChanged || someItemInserted && (this.node.scrollTop > 0 || this.mouseMovedRecently)) {
return this.node.scrollHeight - this.node.scrollTop;
if (pendingChanged || someItemInserted && (this.getScrollTop() > 0 || this.mouseMovedRecently)) {
return this.getScrollHeight() - this.getScrollTop();
} else {
return null;
}
@ -165,7 +185,9 @@ export default class ScrollableList extends PureComponent {
componentDidUpdate (prevProps, prevState, snapshot) {
// Reset the scroll position when a new child comes in in order not to
// jerk the scrollbar around if you're already scrolled down the page.
if (snapshot !== null) this.updateScrollBottom(snapshot);
if (snapshot !== null) {
this.updateScrollBottom(snapshot);
}
}
componentWillUnmount () {
@ -191,13 +213,23 @@ export default class ScrollableList extends PureComponent {
}
attachScrollListener () {
this.node.addEventListener('scroll', this.handleScroll);
this.node.addEventListener('wheel', this.handleWheel);
if (this.props.bindToDocument) {
document.addEventListener('scroll', this.handleScroll);
document.addEventListener('wheel', this.handleWheel);
} else {
this.node.addEventListener('scroll', this.handleScroll);
this.node.addEventListener('wheel', this.handleWheel);
}
}
detachScrollListener () {
this.node.removeEventListener('scroll', this.handleScroll);
this.node.removeEventListener('wheel', this.handleWheel);
if (this.props.bindToDocument) {
document.removeEventListener('scroll', this.handleScroll);
document.removeEventListener('wheel', this.handleWheel);
} else {
this.node.removeEventListener('scroll', this.handleScroll);
this.node.removeEventListener('wheel', this.handleWheel);
}
}
getFirstChildKey (props) {