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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
module.metadata = {
"stability": "experimental"
};
const { Class } = require("../sdk/core/heritage");
const { EventTarget } = require("../sdk/event/target");
const { Disposable, setup, dispose } = require("../sdk/core/disposable");
const { contract, validate } = require("../sdk/util/contract");
const { id: addonID } = require("../sdk/self");
const { onEnable, onDisable } = require("dev/theme/hooks");
const { isString, instanceOf, isFunction } = require("sdk/lang/type");
const { add } = require("sdk/util/array");
const { data } = require("../sdk/self");
const { isLocalURL } = require("../sdk/url");
const makeID = name =>
("dev-theme-" + addonID + (name ? "-" + name : "")).
split(/[ . /]/).join("-").
replace(/[^A-Za-z0-9_\-]/g, "");
const Theme = Class({
extends: Disposable,
implements: [EventTarget],
initialize: function(options) {
this.name = options.name;
this.label = options.label;
this.styles = options.styles;
// Event handlers
this.onEnable = options.onEnable;
this.onDisable = options.onDisable;
},
get id() {
return makeID(this.name || this.label);
},
setup: function() {
// Any initialization steps done at the registration time.
},
getStyles: function() {
if (!this.styles) {
return [];
}
if (isString(this.styles)) {
if (isLocalURL(this.styles)) {
return [data.url(this.styles)];
}
}
let result = [];
for (let style of this.styles) {
if (isString(style)) {
if (isLocalURL(style)) {
style = data.url(style);
}
add(result, style);
} else if (instanceOf(style, Theme)) {
result = result.concat(style.getStyles());
}
}
return result;
},
getClassList: function() {
let result = [];
for (let style of this.styles) {
if (instanceOf(style, Theme)) {
result = result.concat(style.getClassList());
}
}
if (this.name) {
add(result, this.name);
}
return result;
}
});
exports.Theme = Theme;
// Initialization & dispose
setup.define(Theme, (theme) => {
theme.classList = [];
theme.setup();
});
dispose.define(Theme, function(theme) {
theme.dispose();
});
// Validation
validate.define(Theme, contract({
label: {
is: ["string"],
msg: "The `option.label` must be a provided"
},
}));
// Support theme events: apply and unapply the theme.
onEnable.define(Theme, (theme, {window, oldTheme}) => {
if (isFunction(theme.onEnable)) {
theme.onEnable(window, oldTheme);
}
});
onDisable.define(Theme, (theme, {window, newTheme}) => {
if (isFunction(theme.onDisable)) {
theme.onDisable(window, newTheme);
}
});
// Support for built-in themes
const LightTheme = Theme({
name: "theme-light",
styles: "chrome://devtools/skin/light-theme.css",
});
const DarkTheme = Theme({
name: "theme-dark",
styles: "chrome://devtools/skin/dark-theme.css",
});
exports.LightTheme = LightTheme;
exports.DarkTheme = DarkTheme;
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