| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| import { Inject, Injectable } from '@angular/core'; |
| import { DOCUMENT } from '@angular/common'; |
| |
| export const DARK_THEME = 'DARK_THEME'; |
| export const LIGHT_THEME = 'LIGHT_THEME'; |
| export const OS_SETTING = 'OS_SETTING'; |
| |
| @Injectable({ providedIn: 'root' }) |
| export class ThemingService { |
| constructor(@Inject(DOCUMENT) private _document: Document) {} |
| |
| toggleTheme(darkModeOn: boolean, theme: any) { |
| if (darkModeOn) { |
| if (theme === DARK_THEME) { |
| this._document.body.classList.toggle('dark-theme', true); |
| } else if (theme === LIGHT_THEME) { |
| this._document.body.classList.toggle('dark-theme', false); |
| } else { |
| this._document.body.classList.toggle('dark-theme', true); |
| } |
| } else { |
| if (theme === DARK_THEME) { |
| this._document.body.classList.toggle('dark-theme', true); |
| } else if (theme === LIGHT_THEME) { |
| this._document.body.classList.toggle('dark-theme', false); |
| } else { |
| this._document.body.classList.toggle('dark-theme', false); |
| } |
| } |
| } |
| } |
