100 lines
2.1 KiB
JavaScript
100 lines
2.1 KiB
JavaScript
/* exported ExtensionState, ExtensionType,
|
|
* serializeExtension, deserializeExtension */
|
|
|
|
// Common utils for the extension system, the extensions D-Bus service
|
|
// and the Extensions app
|
|
|
|
const Gio = imports.gi.Gio;
|
|
const GLib = imports.gi.GLib;
|
|
|
|
var ExtensionType = {
|
|
SYSTEM: 1,
|
|
PER_USER: 2,
|
|
};
|
|
|
|
/**
|
|
* @enum {number}
|
|
*/
|
|
var ExtensionState = {
|
|
ENABLED: 1,
|
|
DISABLED: 2,
|
|
ERROR: 3,
|
|
OUT_OF_DATE: 4,
|
|
DOWNLOADING: 5,
|
|
INITIALIZED: 6,
|
|
DISABLING: 7,
|
|
ENABLING: 8,
|
|
|
|
// Used as an error state for operations on unknown extensions,
|
|
// should never be in a real extensionMeta object.
|
|
UNINSTALLED: 99,
|
|
};
|
|
|
|
const SERIALIZED_PROPERTIES = [
|
|
'type',
|
|
'state',
|
|
'path',
|
|
'error',
|
|
'hasPrefs',
|
|
'hasUpdate',
|
|
'canChange',
|
|
];
|
|
|
|
/**
|
|
* Serialize extension into an object that can be used
|
|
* in a vardict {GLib.Variant}
|
|
*
|
|
* @param {object} extension - an extension object
|
|
* @returns {object}
|
|
*/
|
|
function serializeExtension(extension) {
|
|
let obj = {...extension.metadata};
|
|
|
|
SERIALIZED_PROPERTIES.forEach(prop => {
|
|
obj[prop] = extension[prop];
|
|
});
|
|
|
|
let res = {};
|
|
for (let key in obj) {
|
|
let val = obj[key];
|
|
let type;
|
|
switch (typeof val) {
|
|
case 'string':
|
|
type = 's';
|
|
break;
|
|
case 'number':
|
|
type = 'd';
|
|
break;
|
|
case 'boolean':
|
|
type = 'b';
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
res[key] = GLib.Variant.new(type, val);
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/**
|
|
* Deserialize an unpacked variant into an extension object
|
|
*
|
|
* @param {object} variant - an unpacked {GLib.Variant}
|
|
* @returns {object}
|
|
*/
|
|
function deserializeExtension(variant) {
|
|
let res = {metadata: {}};
|
|
for (let prop in variant) {
|
|
let val = variant[prop].unpack();
|
|
if (SERIALIZED_PROPERTIES.includes(prop))
|
|
res[prop] = val;
|
|
else
|
|
res.metadata[prop] = val;
|
|
}
|
|
// add the 2 additional properties to create a valid extension object, as createExtensionObject()
|
|
res.uuid = res.metadata.uuid;
|
|
res.dir = Gio.File.new_for_path(res.path);
|
|
return res;
|
|
}
|