52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
const Config = imports.misc.config;
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const Clutter = imports.gi.Clutter;
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/** Compare two dotted version strings (like '10.2.3').
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* @returns {Integer} 0: v1 == v2, -1: v1 < v2, 1: v1 > v2
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*/
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function versionCompare(v1, v2) {
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let v1parts = ('' + v1).split('.')
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let v2parts = ('' + v2).split('.')
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let minLength = Math.min(v1parts.length, v2parts.length)
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let i, p1, p2;
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// Compare tuple pair-by-pair.
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for (i = 0; i < minLength; i++) {
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// Convert to integer if possible, because "8" > "10".
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p1 = parseInt(v1parts[i], 10);
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p2 = parseInt(v2parts[i], 10);
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if (isNaN(p1)) {
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p1 = v1parts[i];
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}
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if (isNaN(p2)) {
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p2 = v2parts[i];
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}
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if (p1 === p2) {
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continue;
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} else if (p1 > p2) {
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return 1;
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} else if (p1 < p2) {
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return -1;
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}
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// one operand is NaN
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return NaN;
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}
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// The longer tuple is always considered 'greater'
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if (v1parts.length === v2parts.length) {
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return 0;
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}
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return (v1parts.length < v2parts.length) ? -1 : 1;
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}
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function color_from_string(color) {
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let clutterColor, res;
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if (!Clutter.Color.from_string) {
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clutterColor = new Clutter.Color();
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clutterColor.from_string(color);
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} else {
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[res, clutterColor] = Clutter.Color.from_string(color);
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}
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return clutterColor;
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}
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