54 lines
1.4 KiB
TypeScript
54 lines
1.4 KiB
TypeScript
const { execAsync, readFileAsync, timeout } = Utils;
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const { get_home_dir } = imports.gi.GLib;
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import GObject from 'types/@girs/gobject-2.0/gobject-2.0';
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interface Persist {
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name: string
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gobject: GObject.Object
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prop: string
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condition?: boolean | string // If string, compare following props to this
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whenTrue?: boolean | string
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whenFalse?: boolean | string
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signal?: string
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}
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export default ({
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name,
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gobject,
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prop,
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condition = true,
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whenTrue = condition,
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whenFalse = false,
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signal = 'changed',
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}: Persist) => {
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const cacheFile = `${get_home_dir()}/.cache/ags/.${name}`;
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const stateCmd = () => ['bash', '-c',
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`echo ${gobject[prop] === condition} > ${cacheFile}`];
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const monitorState = () => {
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gobject.connect(signal, () => {
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execAsync(stateCmd()).catch(print);
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});
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};
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readFileAsync(cacheFile)
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.then((content) => {
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// JSON.parse was the only way I found to reliably
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// convert a string of 'true' or 'false' into a bool
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gobject[prop] = JSON.parse(content) ? whenTrue : whenFalse;
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timeout(1000, () => {
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monitorState();
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});
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})
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.catch(() => {
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execAsync(stateCmd())
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.then(() => {
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monitorState();
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})
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.catch(print);
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});
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};
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