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scripting: Switch to standard async/await pattern

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The original scripting framework was based on SpiderMonkey's
pre-standard generators, and was simply translated to the
corresponding standard syntax when updating it to work with
recent JS versions.

We can do even better by using the standard async/await pattern
instead of generators/yield.

https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1396
This commit is contained in:
Florian Müllner
2020-07-30 18:41:11 +02:00
committed by Georges Basile Stavracas Neto
parent 33ff3dc44f
commit a436226266
3 changed files with 52 additions and 53 deletions
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52
js/perf/hwtest.js
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@ -94,7 +94,8 @@ function extractBootTimestamp() {
return result;
}
function *run() {
async function run() {
/* eslint-disable no-await-in-loop */
Scripting.defineScriptEvent("desktopShown", "Finished initial animation");
Scripting.defineScriptEvent("overviewShowStart", "Starting to show the overview");
Scripting.defineScriptEvent("overviewShowDone", "Overview finished showing");
@ -110,7 +111,7 @@ function *run() {
Scripting.defineScriptEvent("geditLaunch", "gedit application launch");
Scripting.defineScriptEvent("geditFirstFrame", "first frame of gedit window drawn");
yield Scripting.waitLeisure();
await Scripting.waitLeisure();
Scripting.scriptEvent('desktopShown');
let interfaceSettings = new Gio.Settings({
@ -120,22 +121,22 @@ function *run() {
Scripting.scriptEvent('overviewShowStart');
Main.overview.show();
yield Scripting.waitLeisure();
await Scripting.waitLeisure();
Scripting.scriptEvent('overviewShowDone');
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
Scripting.scriptEvent('applicationsShowStart');
// eslint-disable-next-line require-atomic-updates
Main.overview.dash.showAppsButton.checked = true;
yield Scripting.waitLeisure();
await Scripting.waitLeisure();
Scripting.scriptEvent('applicationsShowDone');
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
Main.overview.hide();
yield Scripting.waitLeisure();
await Scripting.waitLeisure();
// --------------------- //
// Tests of redraw speed //
@ -145,46 +146,46 @@ function *run() {
global.frame_finish_timestamp = true;
for (let k = 0; k < 5; k++)
yield Scripting.createTestWindow({ maximized: true });
yield Scripting.waitTestWindows();
await Scripting.createTestWindow({ maximized: true });
await Scripting.waitTestWindows();
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
Scripting.scriptEvent('mainViewDrawStart');
yield waitAndDraw(1000);
await waitAndDraw(1000);
Scripting.scriptEvent('mainViewDrawDone');
Main.overview.show();
Scripting.waitLeisure();
yield Scripting.sleep(1500);
await Scripting.sleep(1500);
Scripting.scriptEvent('overviewDrawStart');
yield waitAndDraw(1000);
await waitAndDraw(1000);
Scripting.scriptEvent('overviewDrawDone');
yield Scripting.destroyTestWindows();
await Scripting.destroyTestWindows();
Main.overview.hide();
yield Scripting.createTestWindow({ maximized: true,
await Scripting.createTestWindow({ maximized: true,
redraws: true });
yield Scripting.waitTestWindows();
await Scripting.waitTestWindows();
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
Scripting.scriptEvent('redrawTestStart');
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
Scripting.scriptEvent('redrawTestDone');
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
Scripting.scriptEvent('collectTimings');
yield Scripting.destroyTestWindows();
await Scripting.destroyTestWindows();
global.frame_timestamps = false;
global.frame_finish_timestamp = false;
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
let appSys = Shell.AppSystem.get_default();
let app = appSys.lookup_app('org.gnome.gedit.desktop');
@ -197,21 +198,22 @@ function *run() {
throw new Error('gedit was already running');
while (windows.length == 0) {
yield waitSignal(global.display, 'window-created');
await waitSignal(global.display, 'window-created');
windows = app.get_windows();
}
let actor = windows[0].get_compositor_private();
yield waitSignal(actor, 'first-frame');
await waitSignal(actor, 'first-frame');
Scripting.scriptEvent('geditFirstFrame');
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
windows[0].delete(global.get_current_time());
yield Scripting.sleep(1000);
await Scripting.sleep(1000);
interfaceSettings.set_boolean('enable-animations', true);
/* eslint-enable no-await-in-loop */
}
let overviewShowStart;