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add 'visbilitychange' event support for older browsers

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schlagmichdoch 2023-05-10 21:21:06 +02:00
parent fdf20cfdd9
commit 2a837eb195
2 changed files with 22 additions and 4 deletions
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13
public_included_ws_fallback/scripts/network.js
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@ -1,12 +1,21 @@
window.URL = window.URL || window.webkitURL;
window.isRtcSupported = !!(window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection);
window.hiddenProperty = 'hidden' in document ? 'hidden' :
'webkitHidden' in document ? 'webkitHidden' :
'mozHidden' in document ? 'mozHidden' :
null;
window.visibilityChangeEvent = 'visibilitychange' in document ? 'visibilitychange' :
'webkitvisibilitychange' in document ? 'webkitvisibilitychange' :
'mozvisibilitychange' in document ? 'mozvisibilitychange' :
null;
class ServerConnection {
constructor() {
this._connect();
Events.on('pagehide', _ => this._disconnect());
document.addEventListener('visibilitychange', _ => this._onVisibilityChange());
document.addEventListener(window.visibilityChangeEvent, _ => this._onVisibilityChange());
if (navigator.connection) navigator.connection.addEventListener('change', _ => this._reconnect());
Events.on('room-secrets', e => this._sendRoomSecrets(e.detail));
Events.on('room-secrets-deleted', e => this.send({ type: 'room-secrets-deleted', roomSecrets: e.detail}));
@ -197,7 +206,7 @@ class ServerConnection {
}
_onVisibilityChange() {
if (document.hidden) return;
if (window.hiddenProperty) return;
this._connect();
}