172 lines
7.0 KiB
JavaScript
172 lines
7.0 KiB
JavaScript
import {Config} from "data";
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import Logger from "./logger";
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import AddonManager from "./addonmanager";
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import Utilities from "./utilities";
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import AddonError from "../structs/addonerror";
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import Settings from "./settingsmanager";
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import Strings from "./strings";
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import Toasts from "../ui/toasts";
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import Modals from "../ui/modals";
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import SettingsRenderer from "../ui/settings";
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const path = require("path");
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const electronRemote = require("electron").remote;
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export default new class PluginManager extends AddonManager {
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get name() {return "PluginManager";}
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get moduleExtension() {return ".js";}
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get extension() {return ".plugin.js";}
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get addonFolder() {return path.resolve(Config.dataPath, "plugins");}
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get prefix() {return "plugin";}
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get language() {return "javascript";}
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constructor() {
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super();
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this.onSwitch = this.onSwitch.bind(this);
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this.observer = new MutationObserver((mutations) => {
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for (let i = 0, mlen = mutations.length; i < mlen; i++) {
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this.onMutation(mutations[i]);
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}
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});
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}
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initialize() {
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const errors = super.initialize();
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this.setupFunctions();
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Settings.registerPanel("plugins", Strings.Panels.plugins, {element: () => SettingsRenderer.getAddonPanel(Strings.Panels.plugins, this.addonList, this.state, {
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folder: this.addonFolder,
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onChange: this.togglePlugin.bind(this),
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reload: this.reloadPlugin.bind(this),
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refreshList: this.updatePluginList.bind(this),
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saveAddon: this.saveAddon.bind(this),
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editAddon: this.editAddon.bind(this),
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deleteAddon: this.deleteAddon.bind(this),
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prefix: this.prefix
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})});
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return errors;
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}
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/* Aliases */
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updatePluginList() {return this.updateList();}
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loadAllPlugins() {return this.loadAllAddons();}
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enablePlugin(idOrAddon) {return this.enableAddon(idOrAddon);}
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disablePlugin(idOrAddon) {return this.disableAddon(idOrAddon);}
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togglePlugin(id) {return this.toggleAddon(id);}
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unloadPlugin(idOrFileOrAddon) {return this.unloadAddon(idOrFileOrAddon);}
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loadPlugin(filename) {
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const error = this.loadAddon(filename);
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if (error) Modals.showAddonErrors({themes: [error]});
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}
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reloadPlugin(idOrFileOrAddon) {
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const error = this.reloadAddon(idOrFileOrAddon);
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if (error) Modals.showAddonErrors({plugins: [error]});
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return typeof(idOrFileOrAddon) == "string" ? this.addonList.find(c => c.id == idOrFileOrAddon || c.filename == idOrFileOrAddon) : idOrFileOrAddon;
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}
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/* Overrides */
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initializeAddon(addon) {
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if (!addon.type) return new AddonError(addon.name, addon.filename, "Plugin had no exports", {message: "Plugin had no exports or no name property.", stack: ""});
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try {
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const thePlugin = new addon.type();
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addon.plugin = thePlugin;
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addon.name = thePlugin.getName() || addon.name;
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addon.author = thePlugin.getAuthor() || addon.author || "No author";
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addon.description = thePlugin.getDescription() || addon.description || "No description";
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addon.version = thePlugin.getVersion() || addon.version || "No version";
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try {
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if (typeof(addon.plugin.load) == "function") addon.plugin.load();
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}
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catch (error) {
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this.state[addon.id] = false;
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return new AddonError(addon.name, addon.filename, "load() could not be fired.", {message: error.message, stack: error.stack});
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}
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}
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catch (error) {return new AddonError(addon.name, addon.filename, "Could not be constructed.", {message: error.message, stack: error.stack});}
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}
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getFileModification(module, fileContent, meta) {
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module._compile(fileContent, module.filename);
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const didExport = !Utilities.isEmpty(module.exports);
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if (didExport) {
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meta.type = module.exports;
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module.exports = meta;
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return "";
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}
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Logger.warn(this.name, `${meta.name}, please start assigning module.exports`);
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fileContent += `\nmodule.exports = ${JSON.stringify(meta)};\nmodule.exports.type = ${meta.exports || meta.name};`;
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return fileContent;
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}
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startAddon(id) {return this.startPlugin(id);}
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stopAddon(id) {return this.stopPlugin(id);}
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startPlugin(idOrAddon) {
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const addon = typeof(idOrAddon) == "string" ? this.addonList.find(p => p.id == idOrAddon) : idOrAddon;
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if (!addon) return;
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const plugin = addon.plugin;
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try {
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plugin.start();
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this.emit("started", addon.id);
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Toasts.show(Strings.Addons.enabled.format({name: addon.name, version: addon.version}));
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}
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catch (err) {
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this.state[addon.id] = false;
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Toasts.error(`${addon.name} v${addon.version} could not be started.`);
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Logger.stacktrace(this.name, addon.name + " could not be started.", err);
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return new AddonError(addon.name, addon.filename, "start() could not be fired.", {message: err.message, stack: err.stack});
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}
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}
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stopPlugin(idOrAddon) {
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const addon = typeof(idOrAddon) == "string" ? this.addonList.find(p => p.id == idOrAddon) : idOrAddon;
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if (!addon) return;
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const plugin = addon.plugin;
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try {
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plugin.stop();
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this.emit("stopped", addon.id);
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Toasts.show(Strings.Addons.disabled.format({name: addon.name, version: addon.version}));
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}
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catch (err) {
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this.state[addon.id] = false;
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Toasts.error(`${addon.name} v${addon.version} could not be stopped.`);
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Logger.stacktrace(this.name, addon.name + " could not be stopped.", err);
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return new AddonError(addon.name, addon.filename, "stop() could not be fired.", {message: err.message, stack: err.stack});
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}
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}
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setupFunctions() {
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electronRemote.getCurrentWebContents().on("did-navigate-in-page", this.onSwitch.bind(this));
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this.observer.observe(document, {
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childList: true,
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subtree: true
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});
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}
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onSwitch() {
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this.emit("page-switch");
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for (let i = 0; i < this.addonList.length; i++) {
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const plugin = this.addonList[i].plugin;
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if (!this.state[this.addonList[i].id]) continue;
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if (typeof(plugin.onSwitch) === "function") {
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try { plugin.onSwitch(); }
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catch (err) { Logger.stacktrace(this.name, "Unable to fire onSwitch for " + this.addonList[i].name + ".", err); }
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}
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}
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}
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onMutation(mutation) {
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for (let i = 0; i < this.addonList.length; i++) {
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const plugin = this.addonList[i].plugin;
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if (!this.state[this.addonList[i].id]) continue;
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if (typeof plugin.observer === "function") {
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try { plugin.observer(mutation); }
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catch (err) { Logger.stacktrace(this.name, "Unable to fire observer for " + this.addonList[i].name + ".", err); }
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}
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}
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}
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}; |