Cleanup runtime code

This commit is contained in:
Jonathan Kelley committed 2024-01-16 17:38:39 -08:00
1 parent 8b9bf57c03
commit 3008870818
6 files changed
+97 -118

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+44 -56
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@@ -14,48 +14,6 @@ thread_local! {
static RUNTIMES: RefCell<Vec<Rc<Runtime>>> = RefCell::new(vec![]);
}
/// Pushes a new scope onto the stack
pub(crate) fn push_runtime(runtime: Rc<Runtime>) {
RUNTIMES.with(|stack| stack.borrow_mut().push(runtime));
}
/// Pops a scope off the stack
pub(crate) fn pop_runtime() {
RUNTIMES.with(|stack| stack.borrow_mut().pop());
}
/// Runs a function with the current runtime
pub(crate) fn with_runtime<F, R>(f: F) -> Option<R>
where
F: FnOnce(&Runtime) -> R,
{
RUNTIMES.with(|stack| {
let stack = stack.borrow();
stack.last().map(|r| f(r))
})
}
/// Runs a function with the current scope
pub(crate) fn with_current_scope<F, R>(f: F) -> Option<R>
where
F: FnOnce(&ScopeContext) -> R,
{
with_runtime(|runtime| {
runtime
.current_scope_id()
.and_then(|scope| runtime.get_context(scope).map(|sc| f(&sc)))
})
.flatten()
}
/// Runs a function with the current scope
pub(crate) fn with_scope<F, R>(scope: ScopeId, f: F) -> Option<R>
where
F: FnOnce(&ScopeContext) -> R,
{
with_runtime(|runtime| runtime.get_context(scope).map(|sc| f(&sc))).flatten()
}
/// A global runtime that is shared across all scopes that provides the async runtime and context API
pub struct Runtime {
pub(crate) scope_contexts: RefCell<Vec<Option<ScopeContext>>>,
@@ -112,7 +70,7 @@ impl Runtime {
/// Call this function with the current scope set to the given scope
///
/// Useful in a limited number of scenarios, not public.
pub(crate) fn with_scope<O>(&self, id: ScopeId, f: impl FnOnce() -> O) -> O {
pub fn on_scope<O>(&self, id: ScopeId, f: impl FnOnce() -> O) -> O {
self.scope_stack.borrow_mut().push(id);
let o = f();
self.scope_stack.borrow_mut().pop();
@@ -128,6 +86,47 @@ impl Runtime {
})
.ok()
}
/// Pushes a new scope onto the stack
pub(crate) fn push_runtime(runtime: Rc<Runtime>) {
RUNTIMES.with(|stack| stack.borrow_mut().push(runtime));
}
/// Pops a scope off the stack
pub(crate) fn pop_runtime() {
RUNTIMES.with(|stack| stack.borrow_mut().pop());
}
/// Runs a function with the current runtime
pub(crate) fn with<F, R>(f: F) -> Option<R>
where
F: FnOnce(&Runtime) -> R,
{
RUNTIMES.with(|stack| {
let stack = stack.borrow();
stack.last().map(|r| f(r))
})
}
/// Runs a function with the current scope
pub(crate) fn with_current_scope<F, R>(f: F) -> Option<R>
where
F: FnOnce(&ScopeContext) -> R,
{
Self::with(|rt| {
rt.current_scope_id()
.and_then(|scope| rt.get_context(scope).map(|sc| f(&sc)))
})
.flatten()
}
/// Runs a function with the current scope
pub(crate) fn with_scope<F, R>(scope: ScopeId, f: F) -> Option<R>
where
F: FnOnce(&ScopeContext) -> R,
{
Self::with(|rt| rt.get_context(scope).map(|sc| f(&sc))).flatten()
}
}
/// A guard for a new runtime. This must be used to override the current runtime when importing components from a dynamic library that has it's own runtime.
@@ -166,24 +165,13 @@ pub struct RuntimeGuard(());
impl RuntimeGuard {
/// Create a new runtime guard that sets the current Dioxus runtime. The runtime will be reset when the guard is dropped
pub fn new(runtime: Rc<Runtime>) -> Self {
push_runtime(runtime);
Runtime::push_runtime(runtime);
Self(())
}
/// Run a function with a given runtime and scope in context
pub fn with<O>(runtime: Rc<Runtime>, scope: Option<ScopeId>, f: impl FnOnce() -> O) -> O {
let guard = Self::new(runtime.clone());
let o = match scope {
Some(scope) => Runtime::with_scope(&runtime, scope, f),
None => f(),
};
drop(guard);
o
}
}
impl Drop for RuntimeGuard {
fn drop(&mut self) {
pop_runtime();
Runtime::pop_runtime();
}
}