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Web: implement WaitUntilStrategy (#3739)

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This commit is contained in:
daxpedda
2024-06-20 23:07:42 +02:00
committed by Kirill Chibisov
parent a974640a66
commit d8f4d8f1b7
11 changed files with 226 additions and 14 deletions
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69
src/platform/web.rs
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@@ -204,6 +204,20 @@ pub trait EventLoopExtWebSys {
///
/// [`ControlFlow::Poll`]: crate::event_loop::ControlFlow::Poll
fn poll_strategy(&self) -> PollStrategy;
/// Sets the strategy for [`ControlFlow::WaitUntil`].
///
/// See [`WaitUntilStrategy`].
///
/// [`ControlFlow::WaitUntil`]: crate::event_loop::ControlFlow::WaitUntil
fn set_wait_until_strategy(&self, strategy: WaitUntilStrategy);
/// Gets the strategy for [`ControlFlow::WaitUntil`].
///
/// See [`WaitUntilStrategy`].
///
/// [`ControlFlow::WaitUntil`]: crate::event_loop::ControlFlow::WaitUntil
fn wait_until_strategy(&self) -> WaitUntilStrategy;
}
impl<T> EventLoopExtWebSys for EventLoop<T> {
@@ -229,6 +243,14 @@ impl<T> EventLoopExtWebSys for EventLoop<T> {
fn poll_strategy(&self) -> PollStrategy {
self.event_loop.poll_strategy()
}
fn set_wait_until_strategy(&self, strategy: WaitUntilStrategy) {
self.event_loop.set_wait_until_strategy(strategy);
}
fn wait_until_strategy(&self) -> WaitUntilStrategy {
self.event_loop.wait_until_strategy()
}
}
pub trait ActiveEventLoopExtWebSys {
@@ -246,6 +268,20 @@ pub trait ActiveEventLoopExtWebSys {
/// [`ControlFlow::Poll`]: crate::event_loop::ControlFlow::Poll
fn poll_strategy(&self) -> PollStrategy;
/// Sets the strategy for [`ControlFlow::WaitUntil`].
///
/// See [`WaitUntilStrategy`].
///
/// [`ControlFlow::WaitUntil`]: crate::event_loop::ControlFlow::WaitUntil
fn set_wait_until_strategy(&self, strategy: WaitUntilStrategy);
/// Gets the strategy for [`ControlFlow::WaitUntil`].
///
/// See [`WaitUntilStrategy`].
///
/// [`ControlFlow::WaitUntil`]: crate::event_loop::ControlFlow::WaitUntil
fn wait_until_strategy(&self) -> WaitUntilStrategy;
/// Async version of [`ActiveEventLoop::create_custom_cursor()`] which waits until the
/// cursor has completely finished loading.
fn create_custom_cursor_async(&self, source: CustomCursorSource) -> CustomCursorFuture;
@@ -266,6 +302,16 @@ impl ActiveEventLoopExtWebSys for ActiveEventLoop {
fn poll_strategy(&self) -> PollStrategy {
self.p.poll_strategy()
}
#[inline]
fn set_wait_until_strategy(&self, strategy: WaitUntilStrategy) {
self.p.set_wait_until_strategy(strategy);
}
#[inline]
fn wait_until_strategy(&self) -> WaitUntilStrategy {
self.p.wait_until_strategy()
}
}
/// Strategy used for [`ControlFlow::Poll`][crate::event_loop::ControlFlow::Poll].
@@ -294,6 +340,29 @@ pub enum PollStrategy {
Scheduler,
}
/// Strategy used for [`ControlFlow::WaitUntil`][crate::event_loop::ControlFlow::WaitUntil].
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
pub enum WaitUntilStrategy {
/// Uses the [Prioritized Task Scheduling API] to queue the next event loop. If not available
/// this will fallback to [`setTimeout()`].
///
/// This strategy is commonly not affected by browser throttling unless the window is not
/// focused.
///
/// This is the default strategy.
///
/// [Prioritized Task Scheduling API]: https://developer.mozilla.org/en-US/docs/Web/API/Prioritized_Task_Scheduling_API
/// [`setTimeout()`]: https://developer.mozilla.org/en-US/docs/Web/API/setTimeout
#[default]
Scheduler,
/// Equal to [`Scheduler`][Self::Scheduler] but wakes up the event loop from a [worker].
///
/// This strategy is commonly not affected by browser throttling regardless of window focus.
///
/// [worker]: https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API
Worker,
}
pub trait CustomCursorExtWebSys {
/// Returns if this cursor is an animation.
fn is_animation(&self) -> bool;