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Request persistent storage on Firefox (#1480)

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toasted-nutbread 2021-03-02 22:27:53 -05:00 committed by GitHub
parent b0bc7dc08f
commit 3fe825cf30
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1 changed files with 28 additions and 0 deletions
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28
ext/js/background/backend.js
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@ -183,6 +183,8 @@ class Backend {
const onPermissionsChanged = this._onWebExtensionEventWrapper(this._onPermissionsChanged.bind(this));
chrome.permissions.onAdded.addListener(onPermissionsChanged);
chrome.permissions.onRemoved.addListener(onPermissionsChanged);
chrome.runtime.onInstalled.addListener(this._onInstalled.bind(this));
}
async _prepareInternal() {
@ -372,6 +374,11 @@ class Backend {
this._checkPermissions();
}
_onInstalled({reason}) {
if (reason !== 'install') { return; }
this._requestPersistentStorage();
}
// Message handlers
_onApiRequestBackendReadySignal(_params, sender) {
@ -2103,4 +2110,25 @@ class Backend {
_hasRequiredPermissionsForSettings(options) {
return this._permissions === null || this._permissionsUtil.hasRequiredPermissionsForOptions(this._permissions, options);
}
async _requestPersistentStorage() {
try {
if (await navigator.storage.persisted()) { return; }
// Only request this permission for Firefox versions >= 77.
// https://bugzilla.mozilla.org/show_bug.cgi?id=1630413
const {vendor, version} = await browser.runtime.getBrowserInfo();
if (vendor !== 'Mozilla') { return; }
const match = /^\d+/.exec(version);
if (match === null) { return; }
const versionNumber = Number.parseInt(match[0]);
if (!(Number.isFinite(versionNumber) && versionNumber >= 77)) { return; }
await navigator.storage.persist();
} catch (e) {
// NOP
}
}
}