monaco-editor-core
Version:
A browser based code editor
70 lines (69 loc) • 3.74 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { asCSSPropertyValue, asCSSUrl } from '../../../base/browser/dom.js';
import { Emitter } from '../../../base/common/event.js';
import { DisposableStore } from '../../../base/common/lifecycle.js';
import { ThemeIcon } from '../../../base/common/themables.js';
import { getIconRegistry } from '../common/iconRegistry.js';
export function getIconsStyleSheet(themeService) {
const disposable = new DisposableStore();
const onDidChangeEmmiter = disposable.add(new Emitter());
const iconRegistry = getIconRegistry();
disposable.add(iconRegistry.onDidChange(() => onDidChangeEmmiter.fire()));
if (themeService) {
disposable.add(themeService.onDidProductIconThemeChange(() => onDidChangeEmmiter.fire()));
}
return {
dispose: () => disposable.dispose(),
onDidChange: onDidChangeEmmiter.event,
getCSS() {
const productIconTheme = themeService ? themeService.getProductIconTheme() : new UnthemedProductIconTheme();
const usedFontIds = {};
const rules = [];
const rootAttribs = [];
for (const contribution of iconRegistry.getIcons()) {
const definition = productIconTheme.getIcon(contribution);
if (!definition) {
continue;
}
const fontContribution = definition.font;
const fontFamilyVar = `--vscode-icon-${contribution.id}-font-family`;
const contentVar = `--vscode-icon-${contribution.id}-content`;
if (fontContribution) {
usedFontIds[fontContribution.id] = fontContribution.definition;
rootAttribs.push(`${fontFamilyVar}: ${asCSSPropertyValue(fontContribution.id)};`, `${contentVar}: '${definition.fontCharacter}';`);
rules.push(`.codicon-${contribution.id}:before { content: '${definition.fontCharacter}'; font-family: ${asCSSPropertyValue(fontContribution.id)}; }`);
}
else {
rootAttribs.push(`${contentVar}: '${definition.fontCharacter}'; ${fontFamilyVar}: 'codicon';`);
rules.push(`.codicon-${contribution.id}:before { content: '${definition.fontCharacter}'; }`);
}
}
for (const id in usedFontIds) {
const definition = usedFontIds[id];
const fontWeight = definition.weight ? `font-weight: ${definition.weight};` : '';
const fontStyle = definition.style ? `font-style: ${definition.style};` : '';
const src = definition.src.map(l => `${asCSSUrl(l.location)} format('${l.format}')`).join(', ');
rules.push(`@font-face { src: ${src}; font-family: ${asCSSPropertyValue(id)};${fontWeight}${fontStyle} font-display: block; }`);
}
rules.push(`:root { ${rootAttribs.join(' ')} }`);
return rules.join('\n');
}
};
}
export class UnthemedProductIconTheme {
getIcon(contribution) {
const iconRegistry = getIconRegistry();
let definition = contribution.defaults;
while (ThemeIcon.isThemeIcon(definition)) {
const c = iconRegistry.getIcon(definition.id);
if (!c) {
return undefined;
}
definition = c.defaults;
}
return definition;
}
}