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Fix sessionStorage not being supported when cookies are disabled (#756)

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* Fix sessionStorage not being supported when cookies are disabled

* Update comment
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toasted-nutbread 2020-08-24 18:26:04 -04:00 committed by GitHub
parent 6e31f24ed1
commit bbfe5f81cb
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1 changed files with 14 additions and 5 deletions
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11
ext/mixed/js/display.js
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@ -1319,18 +1319,27 @@ class Display extends EventDispatcher {
}
_updateMode() {
const mode = sessionStorage.getItem('mode');
let mode = null;
try {
mode = sessionStorage.getItem('mode');
} catch (e) {
// Browsers can throw a SecurityError when cookie blocking is enabled.
}
this._setMode(mode, false);
}
_setMode(mode, save) {
if (mode === this._mode) { return; }
if (save) {
try {
if (mode === null) {
sessionStorage.removeItem('mode');
} else {
sessionStorage.setItem('mode', mode);
}
} catch (e) {
// Browsers can throw a SecurityError when cookie blocking is enabled.
}
}
this._mode = mode;
this.trigger('modeChange', {mode});