monaco-editor-core
Version:
A browser based code editor
64 lines (63 loc) • 2.22 kB
JavaScript
import { Emitter } from '../../../base/common/event.js';
import { Disposable, toDisposable } from '../../../base/common/lifecycle.js';
import { createDecorator } from '../../instantiation/common/instantiation.js';
import * as platform from '../../registry/common/platform.js';
import { ColorScheme } from './theme.js';
export const IThemeService = createDecorator('themeService');
export function themeColorFromId(id) {
return { id };
}
export function getThemeTypeSelector(type) {
switch (type) {
case ColorScheme.DARK: return 'vs-dark';
case ColorScheme.HIGH_CONTRAST_DARK: return 'hc-black';
case ColorScheme.HIGH_CONTRAST_LIGHT: return 'hc-light';
default: return 'vs';
}
}
// static theming participant
export const Extensions = {
ThemingContribution: 'base.contributions.theming'
};
class ThemingRegistry {
constructor() {
this.themingParticipants = [];
this.themingParticipants = [];
this.onThemingParticipantAddedEmitter = new Emitter();
}
onColorThemeChange(participant) {
this.themingParticipants.push(participant);
this.onThemingParticipantAddedEmitter.fire(participant);
return toDisposable(() => {
const idx = this.themingParticipants.indexOf(participant);
this.themingParticipants.splice(idx, 1);
});
}
getThemingParticipants() {
return this.themingParticipants;
}
}
const themingRegistry = new ThemingRegistry();
platform.Registry.add(Extensions.ThemingContribution, themingRegistry);
export function registerThemingParticipant(participant) {
return themingRegistry.onColorThemeChange(participant);
}
/**
* Utility base class for all themable components.
*/
export class Themable extends Disposable {
constructor(themeService) {
super();
this.themeService = themeService;
this.theme = themeService.getColorTheme();
// Hook up to theme changes
this._register(this.themeService.onDidColorThemeChange(theme => this.onThemeChange(theme)));
}
onThemeChange(theme) {
this.theme = theme;
this.updateStyles();
}
updateStyles() {
// Subclasses to override
}
}