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import * as vscode from 'vscode';
import { Ctx } from './ctx';
const spinnerFrames = ['⠋', '⠙', '⠹', '⠸', '⠼', '⠴', '⠦', '⠧', '⠇', '⠏'];
export function activateStatusDisplay(ctx: Ctx) {
const statusDisplay = new StatusDisplay(ctx.config.cargoWatchOptions.command);
ctx.pushCleanup(statusDisplay);
ctx.onDidRestart(client => {
client.onNotification('$/progress', params => statusDisplay.handleProgressNotification(params));
});
}
class StatusDisplay implements vscode.Disposable {
packageName?: string;
private i = 0;
private statusBarItem: vscode.StatusBarItem;
private command: string;
private timer?: NodeJS.Timeout;
constructor(command: string) {
this.statusBarItem = vscode.window.createStatusBarItem(
vscode.StatusBarAlignment.Left,
10,
);
this.command = command;
this.statusBarItem.hide();
}
show() {
this.packageName = undefined;
this.timer =
this.timer ||
setInterval(() => {
if (this.packageName) {
this.statusBarItem!.text = `${this.frame()} cargo ${this.command} [${this.packageName}]`;
} else {
this.statusBarItem!.text = `${this.frame()} cargo ${this.command}`;
}
}, 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();
}
handleProgressNotification(params: ProgressParams) {
const { token, value } = params;
if (token !== 'rustAnalyzer/cargoWatcher') {
return;
}
switch (value.kind) {
case 'begin':
this.show();
break;
case 'report':
if (value.message) {
this.packageName = value.message;
}
break;
case 'end':
this.hide();
break;
}
}
private frame() {
return spinnerFrames[(this.i = ++this.i % spinnerFrames.length)];
}
}
// FIXME: Replace this once vscode-languageclient is updated to LSP 3.15
interface ProgressParams {
token: string;
value: WorkDoneProgress;
}
enum WorkDoneProgressKind {
Begin = 'begin',
Report = 'report',
End = 'end',
}
interface WorkDoneProgress {
kind: WorkDoneProgressKind;
message?: string;
cancelable?: boolean;
percentage?: string;
}
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