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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
// Tab attributes which are persisted & restored by SessionStore.
const PERSISTED_ATTRIBUTES = ["customizemode"];
// A set of tab attributes to persist. We will read a given list of tab
// attributes when collecting tab data and will re-set those attributes when
// the given tab data is restored to a new tab.
export var TabAttributes = Object.freeze({
get(tab) {
return TabAttributesInternal.get(tab);
},
set(tab, data = {}) {
TabAttributesInternal.set(tab, data);
},
});
var TabAttributesInternal = {
get(tab) {
let data = {};
for (let name of PERSISTED_ATTRIBUTES) {
if (tab.hasAttribute(name)) {
data[name] = tab.getAttribute(name);
}
}
return data;
},
set(tab, data = {}) {
// Clear & Set attributes.
for (let name of PERSISTED_ATTRIBUTES) {
tab.removeAttribute(name);
if (name in data) {
tab.setAttribute(name, data[name]);
}
}
},
};
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