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feat: proper destroy and reconnect logic

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iCrawl 2017-11-24 03:16:08 +01:00
parent 448eee76e9
commit b432c06ce9
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1 changed files with 63 additions and 29 deletions
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92
src/extension.ts
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@ -1,33 +1,47 @@
// Import the required functions & object types from various packages.
import { Client } from 'discord-rpc';
import { basename, extname } from 'path';
import { ExtensionContext, commands, window, workspace, Uri, TextDocumentChangeEvent, TextDocument } from 'vscode';
import { setInterval, clearInterval } from 'timers';
import {
ExtensionContext,
commands,
window,
workspace,
TextDocumentChangeEvent,
Disposable
} from 'vscode';
// Define the RPC variable and its type.
let rpc: Client;
// Define the eventHandler variable and its type.
let eventHandler: Disposable;
// Define the config variable and its type.
let config;
// Define the reconnect timer and its type.
let reconnect: NodeJS.Timer;
// `Activate` is fired when the extension is enabled. This SHOULD only fire once.
export function activate(context: ExtensionContext) {
// Get the workspace's configuration for "discord".
const config = workspace.getConfiguration('discord');
config = workspace.getConfiguration('discord');
// Obtain whether or not the extension is activated.
if (config.get('enabled')) {
initRPC(config.get('clientID'));
}
// Register the `discord.enable` command, and set the `enabled` config option to true.
const enabler = commands.registerCommand('discord.enable', () => {
config.update('enabled', true);
initRPC(config.get('clientID'));
});
// Register the `discord.disable` command, and set the `enabled` config option to false.
const disabler = commands.registerCommand('discord.disable', () => {
config.update('enabled', false);
eventHandler.dispose();
rpc.setActivity({});
destroyRPC();
});
// Push the new commands into the subscriptions.
@ -36,17 +50,57 @@ export function activate(context: ExtensionContext) {
// `Deactivate` is fired whenever the extension is deactivated.
export function deactivate(context: ExtensionContext) {
// If there's an RPC Client initalized, destroy it.
if (rpc) rpc.destroy();
destroyRPC();
}
// Initalize the RPC systems.
function initRPC(clientID: string): void {
// Update the RPC variable with a new RPC Client.
rpc = new Client({ transport: 'ipc' });
// Once the RPC Client is ready, set the activity.
rpc.once('ready', () => {
if (reconnect) {
// Clear the reconnect interval.
clearInterval(reconnect);
// Null reconnect variable.
reconnect = null;
}
setActivity();
eventHandler = workspace.onDidChangeTextDocument((e: TextDocumentChangeEvent) => setActivity());
// Make sure to listen to the close event and dispose and destroy everything accordingly.
rpc.transport.once('close', () => {
eventHandler.dispose();
destroyRPC();
// Set an interval for reconnecting.
reconnect = setInterval(() => initRPC(config.get('clientID')), 5000);
});
});
// Log in to the RPC Client, and check whether or not it errors.
rpc.login(clientID).catch(error =>
error.message.includes('ENOENT')
? window.showErrorMessage('No Discord Client detected!')
: window.showErrorMessage(`Could not connect to discord via rpc: ${error.message}`)
);
}
// Cleanly destroy the RPC client (if it isn't already).
function destroyRPC(): void {
// Do not continue if RPC isn't initalized.
if (!rpc) return;
// If there's an RPC Client initalized, destroy it.
rpc.destroy();
// Null the RPC variable.
rpc = null;
}
// This function updates the activity (The Client's Rich Presence status).
function setActivity(): void {
// Do not continue if RPC isn't initalized.
if (!rpc) return;
// Create a JSON Object with the user's activity information.
const activity = {
details: window.activeTextEditor
@ -72,23 +126,3 @@ function setActivity(): void {
// Update the user's activity to the `activity` variable.
rpc.setActivity(activity);
}
/// Initalize the RPC systems.
function initRPC(clientID: string): void {
// Update the RPC variable with a new RPC Client.
rpc = new Client({ transport: 'ipc' });
// Once the RPC Client is ready, set the activity.
rpc.once('ready', () => {
setActivity();
workspace.onDidChangeTextDocument((e: TextDocumentChangeEvent) => setActivity());
});
// Log in to the RPC Client, and check whether or not it errors.
rpc.login(clientID).catch(error =>
error.message.includes('ENOENT')
? window.showErrorMessage('No Discord Client detected!')
: window.showErrorMessage(`Could not connect to discord via rpc: ${error.message}`)
);
}