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Emit a new before-quit event at the start of Browser::Quit, which gives us a chance to cancel before any windows are closed.

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Charlie Hess 2015-02-25 19:33:42 -08:00
parent 0c99f3baa6
commit b6787a9b34
6 changed files with 32 additions and 4 deletions
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14
docs/api/app.md
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@ -34,6 +34,14 @@ user pressed `Cmd + Q`, or the developer called `app.quit()`, atom-shell would
first try to close all windows and then emit the `will-quit` event, and in
this case the `window-all-closed` would not be emitted.
## Event: before-quit
* `event` Event
Emitted before the application starts closing its windows.
Calling `event.preventDefault()` will prevent the default behaviour, which is
terminating the application.
## Event: will-quit
* `event` Event
@ -78,9 +86,9 @@ click on the application's dock icon.
## app.quit()
Try to close all windows. If all windows are successfully closed, the
`will-quit` event will be emitted and by default the application would be
terminated.
Try to close all windows. The `before-quit` event will first be emitted. If all
windows are successfully closed, the `will-quit` event will be emitted and by
default the application would be terminated.
This method guarantees all `beforeunload` and `unload` handlers are correctly
executed. It is possible that a window cancels the quitting by returning