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feat: Add data parameter to app.requestSingleInstanceLock() (#30891)

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* WIP

* Use serialization

* Rebase windows impl of new app requestSingleInstanceLock parameter

* Fix test

* Implement posix side

* Add backwards compatibility test

* Apply PR feedback Windows

* Fix posix impl

* Switch mac impl back to vector

* Refactor Windows impl

* Use vectors, inline make_span

* Use blink converter

* fix: ownership across sequences

* Fix upstream merge from Chromium

Co-authored-by: deepak1556 <hop2deep@gmail.com>
This commit is contained in:
Raymond Zhao 2021-10-14 18:32:32 -07:00 • committed by GitHub
parent 5592652504
commit db0a152bc1
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9 changed files with 442 additions and 22 deletions
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11
docs/api/app.md
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@ -483,6 +483,7 @@ Returns:
* `event` Event
* `argv` String[] - An array of the second instance's command line arguments
* `workingDirectory` String - The second instance's working directory
* `additionalData` unknown - A JSON object of additional data passed from the second instance
This event will be emitted inside the primary instance of your application
when a second instance has been executed and calls `app.requestSingleInstanceLock()`.
@ -931,6 +932,8 @@ app.setJumpList([
### `app.requestSingleInstanceLock()`
* `additionalData` unknown (optional) - A JSON object containing additional data to send to the first instance.
Returns `Boolean`
The return value of this method indicates whether or not this instance of your
@ -956,12 +959,16 @@ starts:
const { app } = require('electron')
let myWindow = null
const gotTheLock = app.requestSingleInstanceLock()
const additionalData = { myKey: 'myValue' }
const gotTheLock = app.requestSingleInstanceLock(additionalData)
if (!gotTheLock) {
app.quit()
} else {
app.on('second-instance', (event, commandLine, workingDirectory) => {
app.on('second-instance', (event, commandLine, workingDirectory, additionalData) => {
// Print out data received from the second instance.
console.log(additionalData)
// Someone tried to run a second instance, we should focus our window.
if (myWindow) {
if (myWindow.isMinimized()) myWindow.restore()