69 lines
1.7 KiB
JavaScript
69 lines
1.7 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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(function(){
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"use strict";
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let scope;
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if ((typeof exports) !== "undefined"){
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scope = exports;
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}
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else {
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scope = require.register("./theme", {});
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}
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const settings = require("./settings");
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const extension = require("./extension");
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scope.init = function(page){
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const basePath = extension.getURL("themes");
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const baseLink = document.createElement("link");
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baseLink.href = `${basePath}/base/layout.css`;
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baseLink.rel = "stylesheet";
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baseLink.type = "text/css";
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document.head.appendChild(baseLink);
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const links = ["layout", page].filter(function(file){
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return file;
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}).map(function(file){
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const link = document.createElement("link");
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link.cbFile = file;
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link.rel = "alternative";
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link.type = "text/css";
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document.head.appendChild(link);
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return link;
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});
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function setTheme(theme){
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switch (theme){
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case "none":
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baseLink.rel = "alternative";
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links.forEach(function(link){
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link.rel = "alternative";
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});
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break;
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case "auto":
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if (window.matchMedia("(prefers-color-scheme: dark)").matches){
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theme = "dark";
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}
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else {
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theme = "default";
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}
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// fall through
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default:
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baseLink.rel = "stylesheet";
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links.forEach(function(link){
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link.rel = "stylesheet";
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link.href = `${basePath}/${theme}/${link.cbFile}.css`;
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});
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}
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}
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settings.onloaded(function(){
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setTheme(settings.theme);
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settings.on("theme", function(){
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setTheme(settings.theme);
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});
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});
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};
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}()); |