70 lines
2.5 KiB
JavaScript
70 lines
2.5 KiB
JavaScript
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import Gdk from 'gi://Gdk?version=4.0';
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import Gio from 'gi://Gio';
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const CITADEL_SETTINGS_SCHEMA = 'com.subgraph.citadel';
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const LABEL_COLOR_LIST_KEY = 'label-color-list';
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const REALM_LABEL_COLORS_KEY = 'realm-label-colors';
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const DEFAULT_LABEL_COLOR = new Gdk.RGBA({ red: 153, green: 193, blue: 241, });
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export class LabelColorManager {
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constructor() {
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this._citadelSettings = new Gio.Settings({ schema_id: CITADEL_SETTINGS_SCHEMA });
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this._defaultColors = [];
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this._realmLabelColors = new Map();
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this._loadColors();
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}
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_loadColors() {
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let entries = this._citadelSettings.get_strv(LABEL_COLOR_LIST_KEY);
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entries.forEach(entry => {
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let c = new Gdk.RGBA();
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if (c.parse(entry)) {
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this._defaultColors.push(c);
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}
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});
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entries = this._citadelSettings.get_strv(REALM_LABEL_COLORS_KEY);
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entries.forEach(entry => {
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let parts = entry.split(":");
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if (parts.length === 2) {
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let c = new Gdk.RGBA();
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if (c.parse(parts[1])) {
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this._realmLabelColors.set(parts[0], c);
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}
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}
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});
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}
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updateRealmColor(realm, color) {
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this._realmLabelColors.set(realm.name, color);
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this._storeRealmColors();
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}
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lookupRealmColor(realm) {
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let c = this._realmLabelColors.get(realm.name);
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if (c) {
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return c;
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}
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let newColor = this._allocateColor();
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this.updateRealmColor(realm, newColor);
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return newColor;
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}
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_storeRealmColors() {
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let entries = [];
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this._realmLabelColors.forEach((v, k) => {
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entries.push(`${k}:${v.to_string()}`);
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});
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entries.sort();
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this._citadelSettings.set_strv(REALM_LABEL_COLORS_KEY, entries);
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}
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_allocateColor() {
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// 1) No default colors? return a built in color
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if (this._defaultColors.length === 0) {
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return DEFAULT_LABEL_COLOR;
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}
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// 2) Find first color on default color list that isn't used already
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let usedColors = Array.from(this._realmLabelColors.values());
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let defaultColor = this._defaultColors.find(color => !usedColors.some(c => c.equal(color)));
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if (defaultColor) {
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return defaultColor;
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}
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// 3) Choose a random element of the default list
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let index = Math.floor(Math.random() * this._defaultColors.length);
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return this._defaultColors[index];
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}
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}
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