Add option to display tooltip on link hover (#8394)

* Add option to display tooltip on link hover

This makes it possible for platforms like Electron apps, which lack
a built-in URL preview in the status bar, to enable tooltip previews
of links.

Relates to: vector-im/element-web#6532
Signed-off-by: Johannes Marbach <johannesm@element.io>

* Gracefully handle missing platform

* Use public access modifier

Co-authored-by: Travis Ralston <travpc@gmail.com>

* Use exact inequality

Co-authored-by: Travis Ralston <travpc@gmail.com>

* Document getAbsoluteUrl

* Appease the linter

* Clarify performance impact in comment

Co-authored-by: Travis Ralston <travpc@gmail.com>

* Use URL instead of anchor element hack

* Wrap anchor in tooltip target and only allow focus on anchor

* Use optional chaining

Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>

* Use double quotes for consistency

* Accumulate and unmount tooltips and extract tooltipify.tsx

* Fix indentation

* Blur tooltip target on click

* Remove space

* Mention platform flag in comment

* Add (simplistic) tests

* Fix lint errors

* Fix lint errors ... for real

* Replace snapshot tests with structural assertions

* Add missing semicolon

* Add tooltips in link previews

* Fix copyright

Co-authored-by: Travis Ralston <travpc@gmail.com>
Co-authored-by: Michael Telatynski <7t3chguy@gmail.com>
This commit is contained in:
Johannes Marbach 2022-07-06 11:43:30 +02:00 committed by GitHub
parent 530b51a5ac
commit 6f21a155a4
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8 changed files with 223 additions and 3 deletions

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@ -22,6 +22,7 @@ import * as HtmlUtils from '../../../HtmlUtils';
import { editBodyDiffToHtml } from '../../../utils/MessageDiffUtils';
import { formatTime } from '../../../DateUtils';
import { pillifyLinks, unmountPills } from '../../../utils/pillify';
import { tooltipifyLinks, unmountTooltips } from '../../../utils/tooltipify';
import { _t } from '../../../languageHandler';
import { MatrixClientPeg } from '../../../MatrixClientPeg';
import Modal from '../../../Modal';
@ -52,6 +53,7 @@ interface IState {
export default class EditHistoryMessage extends React.PureComponent<IProps, IState> {
private content = createRef<HTMLDivElement>();
private pills: Element[] = [];
private tooltips: Element[] = [];
constructor(props: IProps) {
super(props);
@ -93,12 +95,21 @@ export default class EditHistoryMessage extends React.PureComponent<IProps, ISta
}
}
private tooltipifyLinks(): void {
// not present for redacted events
if (this.content.current) {
tooltipifyLinks(this.content.current.children, this.pills, this.tooltips);
}
}
public componentDidMount(): void {
this.pillifyLinks();
this.tooltipifyLinks();
}
public componentWillUnmount(): void {
unmountPills(this.pills);
unmountTooltips(this.tooltips);
const event = this.props.mxEvent;
if (event.localRedactionEvent()) {
event.localRedactionEvent().off(MatrixEventEvent.Status, this.onAssociatedStatusChanged);
@ -107,6 +118,7 @@ export default class EditHistoryMessage extends React.PureComponent<IProps, ISta
public componentDidUpdate(): void {
this.pillifyLinks();
this.tooltipifyLinks();
}
private renderActionBar(): JSX.Element {