import * as vscode from 'vscode'; import { WorkDoneProgress, WorkDoneProgressBegin, WorkDoneProgressReport, WorkDoneProgressEnd, Disposable } from 'vscode-languageclient'; import { Ctx } from './ctx'; const spinnerFrames = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏']; export function activateStatusDisplay(ctx: Ctx) { const statusDisplay = new StatusDisplay(ctx.config.cargoWatchOptions.command); ctx.pushCleanup(statusDisplay); const client = ctx.client; if (client != null) { ctx.pushCleanup(client.onProgress( WorkDoneProgress.type, 'rustAnalyzer/cargoWatcher', params => statusDisplay.handleProgressNotification(params) )) } } class StatusDisplay implements Disposable { packageName?: string; private i: number = 0; private statusBarItem: vscode.StatusBarItem; private command: string; private timer?: NodeJS.Timeout; constructor(command: string) { this.statusBarItem = vscode.window.createStatusBarItem( vscode.StatusBarAlignment.Left, 10, ); this.command = command; this.statusBarItem.hide(); } show() { this.packageName = undefined; this.timer = this.timer || setInterval(() => { this.tick(); this.refreshLabel(); }, 300); this.statusBarItem.show(); } hide() { if (this.timer) { clearInterval(this.timer); this.timer = undefined; } this.statusBarItem.hide(); } dispose() { if (this.timer) { clearInterval(this.timer); this.timer = undefined; } this.statusBarItem.dispose(); } refreshLabel() { if (this.packageName) { this.statusBarItem.text = `${spinnerFrames[this.i]} cargo ${this.command} [${this.packageName}]`; } else { this.statusBarItem.text = `${spinnerFrames[this.i]} cargo ${this.command}`; } } handleProgressNotification(params: WorkDoneProgressBegin | WorkDoneProgressReport | WorkDoneProgressEnd) { switch (params.kind) { case 'begin': this.show(); break; case 'report': if (params.message) { this.packageName = params.message; this.refreshLabel(); } break; case 'end': this.hide(); break; } } private tick() { this.i = (this.i + 1) % spinnerFrames.length; } }