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Live location sharing - refresh beacon timers on tab becoming active (#8515)

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* add visibilitychange listener

Signed-off-by: Kerry Archibald <kerrya@element.io>

* test

Signed-off-by: Kerry Archibald <kerrya@element.io>

* restore event listener mock

Signed-off-by: Kerry Archibald <kerrya@element.io>
This commit is contained in:
Kerry 2022-05-06 11:33:09 +02:00 • committed by GitHub
parent 2c19d286ed
commit e97536ef96
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 46 additions and 2 deletions
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25
src/components/views/beacon/LeftPanelLiveShareWarning.tsx
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@ -15,8 +15,8 @@ limitations under the License.
*/
import classNames from 'classnames';
import React from 'react';
import { BeaconIdentifier, Room } from 'matrix-js-sdk/src/matrix';
import React, { useEffect } from 'react';
import { Beacon, BeaconIdentifier, Room } from 'matrix-js-sdk/src/matrix';
import { useEventEmitterState } from '../../../hooks/useEventEmitter';
import { _t } from '../../../languageHandler';
@ -61,6 +61,25 @@ const getLabel = (hasStoppingErrors: boolean, hasLocationErrors: boolean): strin
return _t('You are sharing your live location');
};
const useLivenessMonitor = (liveBeaconIds: BeaconIdentifier[], beacons: Map<BeaconIdentifier, Beacon>): void => {
useEffect(() => {
// chromium sets the minimum timer interval to 1000ms
// for inactive tabs
// refresh beacon monitors when the tab becomes active again
const onPageVisibilityChanged = () => {
if (document.visibilityState === 'visible') {
liveBeaconIds.map(identifier => beacons.get(identifier)?.monitorLiveness());
}
};
if (liveBeaconIds.length) {
document.addEventListener("visibilitychange", onPageVisibilityChanged);
}
() => {
document.removeEventListener("visibilitychange", onPageVisibilityChanged);
};
}, [liveBeaconIds, beacons]);
};
const LeftPanelLiveShareWarning: React.FC<Props> = ({ isMinimized }) => {
const isMonitoringLiveLocation = useEventEmitterState(
OwnBeaconStore.instance,
@ -91,6 +110,8 @@ const LeftPanelLiveShareWarning: React.FC<Props> = ({ isMinimized }) => {
const hasLocationPublishErrors = !!beaconIdsWithLocationPublishError.length;
const hasStoppingErrors = !!beaconIdsWithStoppingError.length;
useLivenessMonitor(liveBeaconIds, OwnBeaconStore.instance.beacons);
if (!isMonitoringLiveLocation) {
return null;
}