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feat: remove on(ready) requirement from powerMonitor (#37937)

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Jeremy Rose 2023-04-12 15:37:52 -07:00 • committed by GitHub
parent 908bef7ca9
commit fef1b04238
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3 changed files with 25 additions and 24 deletions
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41
lib/browser/api/power-monitor.ts
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@ -1,5 +1,4 @@
import { EventEmitter } from 'events';
import { app } from 'electron/main';
const {
createPowerMonitor,
@ -14,28 +13,26 @@ class PowerMonitor extends EventEmitter {
// Don't start the event source until both a) the app is ready and b)
// there's a listener registered for a powerMonitor event.
this.once('newListener', () => {
app.whenReady().then(() => {
const pm = createPowerMonitor();
pm.emit = this.emit.bind(this);
const pm = createPowerMonitor();
pm.emit = this.emit.bind(this);
if (process.platform === 'linux') {
// On Linux, we inhibit shutdown in order to give the app a chance to
// decide whether or not it wants to prevent the shutdown. We don't
// inhibit the shutdown event unless there's a listener for it. This
// keeps the C++ code informed about whether there are any listeners.
pm.setListeningForShutdown(this.listenerCount('shutdown') > 0);
this.on('newListener', (event) => {
if (event === 'shutdown') {
pm.setListeningForShutdown(this.listenerCount('shutdown') + 1 > 0);
}
});
this.on('removeListener', (event) => {
if (event === 'shutdown') {
pm.setListeningForShutdown(this.listenerCount('shutdown') > 0);
}
});
}
});
if (process.platform === 'linux') {
// On Linux, we inhibit shutdown in order to give the app a chance to
// decide whether or not it wants to prevent the shutdown. We don't
// inhibit the shutdown event unless there's a listener for it. This
// keeps the C++ code informed about whether there are any listeners.
pm.setListeningForShutdown(this.listenerCount('shutdown') > 0);
this.on('newListener', (event) => {
if (event === 'shutdown') {
pm.setListeningForShutdown(this.listenerCount('shutdown') + 1 > 0);
}
});
this.on('removeListener', (event) => {
if (event === 'shutdown') {
pm.setListeningForShutdown(this.listenerCount('shutdown') > 0);
}
});
}
});
}