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Add Foreground and Background events for iOS #2144

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Add Foreground and Background events for iOS #2144

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12 changes: 12 additions & 0 deletions src/event.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,12 @@ pub enum Event<'a, T: 'static> {
/// Emitted when the application has been resumed.
Resumed,

/// Emitted when the application will enter the foreground.
Foreground,

/// Emitted when the application has entered the background.
Background,

/// Emitted when all of the event loop's input events have been processed and redraw processing
/// is about to begin.
///
Expand Down Expand Up @@ -138,6 +144,8 @@ impl<T: Clone> Clone for Event<'static, T> {
LoopDestroyed => LoopDestroyed,
Suspended => Suspended,
Resumed => Resumed,
Foreground => Foreground,
Background => Background,
}
}
}
Expand All @@ -156,6 +164,8 @@ impl<'a, T> Event<'a, T> {
LoopDestroyed => Ok(LoopDestroyed),
Suspended => Ok(Suspended),
Resumed => Ok(Resumed),
Foreground => Ok(Foreground),
Background => Ok(Background),
}
}

Expand All @@ -176,6 +186,8 @@ impl<'a, T> Event<'a, T> {
LoopDestroyed => Some(LoopDestroyed),
Suspended => Some(Suspended),
Resumed => Some(Resumed),
Foreground => Some(Foreground),
Background => Some(Background),
}
}
}
Expand Down
9 changes: 7 additions & 2 deletions src/platform_impl/ios/view.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -560,8 +560,13 @@ pub fn create_delegate_class() {
unsafe { app_state::handle_nonuser_event(EventWrapper::StaticEvent(Event::Suspended)) }
}

extern "C" fn will_enter_foreground(_: &Object, _: Sel, _: id) {}
extern "C" fn did_enter_background(_: &Object, _: Sel, _: id) {}
extern "C" fn will_enter_foreground(_: &Object, _: Sel, _: id) {
unsafe { app_state::handle_nonuser_event(EventWrapper::StaticEvent(Event::Foreground)) }
}

extern "C" fn did_enter_background(_: &Object, _: Sel, _: id) {
unsafe { app_state::handle_nonuser_event(EventWrapper::StaticEvent(Event::Background)) }
}

extern "C" fn will_terminate(_: &Object, _: Sel, _: id) {
unsafe {
Expand Down