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accept window/progress instead of beginBuild/diagnosticEnd #231

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merged 4 commits into from
Mar 3, 2018
Merged

accept window/progress instead of beginBuild/diagnosticEnd #231

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fffe938
accept window/progress for progress
algesten Jan 13, 2018
ed6896c
Less "jumpy" spinner
algesten Jan 14, 2018
a3e9198
rewrite ternary to if statements
algesten Feb 26, 2018
36c541b
use Set instead of hash
algesten Mar 2, 2018
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44 changes: 36 additions & 8 deletions src/extension.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -129,7 +129,7 @@ function makeRlsProcess(): Promise<child_process.ChildProcess> {
});

return childProcessPromise.catch(() => {
window.setStatusBarMessage('RLS could not be started');
stopSpinner('RLS could not be started');
return Promise.reject(undefined);
});
}
Expand All @@ -151,7 +151,7 @@ function startLanguageClient(context: ExtensionContext)
}
warnOnMissingCargoToml();

window.setStatusBarMessage('RLS: starting up');
startSpinner('RLS', 'Starting');

warnOnRlsToml();
// Check for deprecated env vars.
Expand All @@ -172,7 +172,7 @@ function startLanguageClient(context: ExtensionContext)
// Create the language client and start the client.
lc = new LanguageClient('Rust Language Server', serverOptions, clientOptions);

diagnosticCounter();
progressCounter();

const disposable = lc.start();
context.subscriptions.push(disposable);
Expand Down Expand Up @@ -207,17 +207,45 @@ async function autoUpdate() {
}
}

function diagnosticCounter() {
function progressCounter() {
const runningProgress: Set<string> = new Set();
const asPercent = (fraction: number): string => `${Math.round(fraction * 100)}%`;
let runningDiagnostics = 0;
lc.onReady().then(() => {
lc.onNotification(new NotificationType('rustDocument/beginBuild'), function(_f: any) {

stopSpinner('RLS');

lc.onNotification(new NotificationType('window/progress'), function (progress: any) {
if (progress.done) {
runningProgress.delete(progress.id);
} else {
runningProgress.add(progress.id);
}
if (runningProgress.size) {
let status = '';
if (typeof progress.percentage === 'number') {
status = asPercent(progress.percentage);
} else if (progress.message) {
status = progress.message;
} else if (progress.title) {
status = `[${progress.title.toLowerCase()}]`;
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nit: I know it's up to clients to display this on the UI side, but shouldn't we just display it how servers send it?

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Ultimately I don't really want to end up in this part of the logic. This is a last resort fallback. We should try to send percentages or messages instead. It looked really bad to me with the caps, but this just taste and style, so I'm only going to argue my case once :)

If you think it's an important point, I'll change it.

}
startSpinner('RLS', status);
} else {
stopSpinner('RLS');
}
});

// FIXME these are legacy notifications used by RLS ca jan 2018.
// remove once we're certain we've progress on.
lc.onNotification(new NotificationType('rustDocument/beginBuild'), function (_f: any) {
runningDiagnostics++;
startSpinner('RLS: working');
startSpinner('RLS', 'working');
});
lc.onNotification(new NotificationType('rustDocument/diagnosticsEnd'), function(_f: any) {
lc.onNotification(new NotificationType('rustDocument/diagnosticsEnd'), function (_f: any) {
runningDiagnostics--;
if (runningDiagnostics <= 0) {
stopSpinner('RLS: done');
stopSpinner('RLS');
}
});
});
Expand Down
6 changes: 3 additions & 3 deletions src/rustup.ts
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Expand Up @@ -25,7 +25,7 @@ export function runRlsViaRustup(env: any): Promise<child_process.ChildProcess> {
}

export async function rustupUpdate() {
startSpinner('Updating RLS...');
startSpinner('RLS', 'Updating…');

try {
const { stdout } = await execChildProcess(CONFIGURATION.rustupPath + ' update');
Expand Down Expand Up @@ -74,7 +74,7 @@ async function hasToolchain(): Promise<boolean> {
}

async function tryToInstallToolchain(): Promise<void> {
startSpinner('Installing toolchain...');
startSpinner('RLS', 'Installing toolchain…');
try {
const { stdout, stderr } = await execChildProcess(CONFIGURATION.rustupPath + ' toolchain install ' + CONFIGURATION.channel);
console.log(stdout);
Expand Down Expand Up @@ -129,7 +129,7 @@ async function hasRlsComponents(): Promise<boolean> {
}

async function installRls(): Promise<void> {
startSpinner('Installing RLS components');
startSpinner('RLS', 'Installing components');

const tryFn: (component: string) => Promise<(Error | null)> = async (component: string) => {
try {
Expand Down
15 changes: 8 additions & 7 deletions src/spinner.ts
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Expand Up @@ -12,14 +12,15 @@

import { window } from 'vscode';

export function startSpinner(message: string) {
if (spinnerTimer == null) {
let state = 0;
spinnerTimer = setInterval(function() {
window.setStatusBarMessage(message + ' ' + spinner[state]);
state = (state + 1) % spinner.length;
}, 100);
export function startSpinner(prefix: string, postfix: string) {
if (spinnerTimer != null) {
clearInterval(spinnerTimer);
}
let state = 0;
spinnerTimer = setInterval(function() {
window.setStatusBarMessage(prefix + ' ' + spinner[state] + ' ' + postfix);
state = (state + 1) % spinner.length;
}, 100);
}

export function stopSpinner(message: string) {
Expand Down