70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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"use strict";
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Preferences",
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"resource://gre/modules/Preferences.jsm");
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let themeExtensions = new WeakSet();
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/* eslint-disable mozilla/balanced-listeners */
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extensions.on("manifest_theme", (type, directive, extension, manifest) => {
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let enabled = Preferences.get("extensions.webextensions.themes.enabled");
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if (!enabled || !manifest || !manifest.theme) {
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return;
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}
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// Apply theme only if themes are enabled.
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let lwtStyles = {footerURL: ""};
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if (manifest.theme.colors) {
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let colors = manifest.theme.colors;
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for (let color of Object.getOwnPropertyNames(colors)) {
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let val = colors[color];
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// Since values are optional, they may be `null`.
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if (val === null) {
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continue;
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}
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if (color == "accentcolor") {
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lwtStyles.accentcolor = val;
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continue;
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}
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if (color == "textcolor") {
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lwtStyles.textcolor = val;
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}
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}
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}
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if (manifest.theme.images) {
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let images = manifest.theme.images;
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for (let image of Object.getOwnPropertyNames(images)) {
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let val = images[image];
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if (val === null) {
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continue;
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}
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if (image == "headerURL") {
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lwtStyles.headerURL = val;
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}
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}
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}
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if (lwtStyles.headerURL &&
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lwtStyles.accentcolor &&
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lwtStyles.textcolor) {
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themeExtensions.add(extension);
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Services.obs.notifyObservers(null,
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"lightweight-theme-styling-update",
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JSON.stringify(lwtStyles));
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}
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});
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extensions.on("shutdown", (type, extension) => {
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if (themeExtensions.has(extension)) {
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Services.obs.notifyObservers(null, "lightweight-theme-styling-update", null);
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}
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});
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/* eslint-enable mozilla/balanced-listeners */
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