Migrate from lazy_static to once_cell

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James Liu 2022-06-08 11:50:26 -07:00 committed by GitHub
parent 4c39b3188c
commit 2c01e9e747
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18 changed files with 477 additions and 519 deletions

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@ -10,6 +10,7 @@ use std::{
};
use objc::runtime::{BOOL, YES};
use once_cell::sync::Lazy;
use crate::{
dpi::LogicalSize,
@ -1016,29 +1017,27 @@ impl NSOperatingSystemVersion {
}
pub fn os_capabilities() -> OSCapabilities {
lazy_static! {
static ref OS_CAPABILITIES: OSCapabilities = {
let version: NSOperatingSystemVersion = unsafe {
let process_info: id = msg_send![class!(NSProcessInfo), processInfo];
let atleast_ios_8: BOOL = msg_send![
process_info,
respondsToSelector: sel!(operatingSystemVersion)
];
// winit requires atleast iOS 8 because no one has put the time into supporting earlier os versions.
// Older iOS versions are increasingly difficult to test. For example, Xcode 11 does not support
// debugging on devices with an iOS version of less than 8. Another example, in order to use an iOS
// simulator older than iOS 8, you must download an older version of Xcode (<9), and at least Xcode 7
// has been tested to not even run on macOS 10.15 - Xcode 8 might?
//
// The minimum required iOS version is likely to grow in the future.
assert!(
atleast_ios_8 == YES,
"`winit` requires iOS version 8 or greater"
);
msg_send![process_info, operatingSystemVersion]
};
version.into()
static OS_CAPABILITIES: Lazy<OSCapabilities> = Lazy::new(|| {
let version: NSOperatingSystemVersion = unsafe {
let process_info: id = msg_send![class!(NSProcessInfo), processInfo];
let atleast_ios_8: BOOL = msg_send![
process_info,
respondsToSelector: sel!(operatingSystemVersion)
];
// winit requires atleast iOS 8 because no one has put the time into supporting earlier os versions.
// Older iOS versions are increasingly difficult to test. For example, Xcode 11 does not support
// debugging on devices with an iOS version of less than 8. Another example, in order to use an iOS
// simulator older than iOS 8, you must download an older version of Xcode (<9), and at least Xcode 7
// has been tested to not even run on macOS 10.15 - Xcode 8 might?
//
// The minimum required iOS version is likely to grow in the future.
assert!(
atleast_ios_8 == YES,
"`winit` requires iOS version 8 or greater"
);
msg_send![process_info, operatingSystemVersion]
};
}
version.into()
});
OS_CAPABILITIES.clone()
}