Send a LoopDestroyed event when the browser is closed (#1155)

* Add the plumbing for handling browser closes

* Implement the business logic for handling closes
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Ryan G 2019-09-11 11:47:03 -04:00 committed by GitHub
parent 7ee9d5639b
commit e87bc3db20
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4 changed files with 31 additions and 1 deletions

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@ -9,12 +9,19 @@ use crate::platform::web::WindowExtStdweb;
use crate::window::Window;
use stdweb::js;
use stdweb::web::event::BeforeUnloadEvent;
use stdweb::web::html_element::CanvasElement;
use stdweb::web::window;
use stdweb::web::IEventTarget;
pub fn throw(msg: &str) {
js! { throw @{msg} }
}
pub fn on_unload(mut handler: impl FnMut() + 'static) {
window().add_event_listener(move |_: BeforeUnloadEvent| handler());
}
impl WindowExtStdweb for Window {
fn canvas(&self) -> CanvasElement {
self.window.canvas().raw().clone()