ultrawidify/src/ext/lib/comms/CommsClient.js
2020-03-09 19:11:23 +01:00

129 lines
3.8 KiB
JavaScript

import Debug from '../../conf/Debug';
import BrowserDetect from '../../conf/BrowserDetect';
class CommsClient {
constructor(name, logger, commands) {
this.logger = logger;
if (BrowserDetect.firefox) {
this.port = browser.runtime.connect({name: name});
} else if (BrowserDetect.chrome) {
this.port = chrome.runtime.connect({name: name});
}
this.logger.onLogEnd(
(history) => {
this.logger.log('info', 'comms', 'Sending logging-stop-and-save to background script ...');
try {
this.port.postMessage({cmd: 'logging-stop-and-save', host: window.location.host, history})
} catch (e) {
this.logger.log('error', 'comms', 'Failed to send message to background script. Error:', e);
}
}
);
this._listener = m => this.processReceivedMessage(m);
this.port.onMessage.addListener(this._listener);
this.commsId = (Math.random() * 20).toFixed(0);
this.commands = commands;
}
destroy() {
if (!BrowserDetect.edge) { // edge is a very special browser made by outright morons.
this.port.onMessage.removeListener(this._listener);
}
}
subscribe(command, callback) {
if (!this.commands[command]) {
this.commands[command] = [callback];
} else {
this.commands[command].push(callback);
}
}
processReceivedMessage(message){
this.logger.log('info', 'comms', `[CommsClient.js::processMessage] <${this.commsId}> Received message from background script!`, message);
if (this.commands[message.cmd]) {
for (const c of this.commands[message.cmd]) {
c(message);
}
}
}
async sendMessage_nonpersistent(message){
message = JSON.parse(JSON.stringify(message)); // vue quirk. We should really use vue store instead
if(BrowserDetect.firefox){
return browser.runtime.sendMessage(message)
} else {
return new Promise((resolve, reject) => {
try{
if(BrowserDetect.edge){
browser.runtime.sendMessage(message, function(response){
var r = response;
resolve(r);
});
} else {
chrome.runtime.sendMessage(message, function(response){
// Chrome/js shittiness mitigation — remove this line and an empty array will be returned
var r = response;
resolve(r);
return true;
});
}
}
catch(e){
reject(e);
}
return true;
});
}
}
async requestSettings(){
this.logger.log('info', 'comms', "%c[CommsClient::requestSettings] sending request for congif!", "background: #11D; color: #aad");
var response = await this.sendMessage_nonpersistent({cmd: 'get-config'});
this.logger.log('info', 'comms', "%c[CommsClient::requestSettings] received settings response!", "background: #11D; color: #aad", response);
if(! response || response.extensionConf){
return Promise.resolve(false);
}
this.settings.active = JSON.parse(response.extensionConf);
return Promise.resolve(true);
}
async sendMessage(message) {
await this.sendMessage_nonpersistent(message);
}
registerVideo(){
this.logger.log('info', 'comms', `[CommsClient::registerVideo] <${this.commsId}>`, "Registering video for current page.");
this.port.postMessage({cmd: "has-video"});
}
sendPerformanceUpdate(message){
this.port.postMessage({cmd: 'performance-update', message: message});
}
unregisterVideo(){
this.logger.log('info', 'comms', `[CommsClient::unregisterVideo] <${this.commsId}>`, "Unregistering video for current page.");
this.port.postMessage({cmd: "noVideo"}); // ayymd
}
announceZoom(scale){
this.port.postMessage({cmd: "announce-zoom", zoom: scale});
this.registerVideo()
}
}
export default CommsClient;