mirror of
https://github.com/DioxusLabs/dioxus
synced 2024-11-23 12:43:08 +00:00
Cleanup runtime code
This commit is contained in:
parent
8b9bf57c03
commit
3008870818
6 changed files with 97 additions and 118 deletions
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@ -1,4 +1,4 @@
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use crate::{global_context::current_scope_id, runtime::with_runtime, ScopeId};
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use crate::{global_context::current_scope_id, Runtime, ScopeId};
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use std::{
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cell::{Cell, RefCell},
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rc::Rc,
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@ -211,13 +211,9 @@ impl<T> EventHandler<T> {
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/// This borrows the event using a RefCell. Recursively calling a listener will cause a panic.
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pub fn call(&self, event: T) {
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if let Some(callback) = self.callback.borrow_mut().as_mut() {
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with_runtime(|rt| {
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rt.scope_stack.borrow_mut().push(self.origin);
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});
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Runtime::with(|rt| rt.scope_stack.borrow_mut().push(self.origin));
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callback(event);
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with_runtime(|rt| {
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rt.scope_stack.borrow_mut().pop();
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});
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Runtime::with(|rt| rt.scope_stack.borrow_mut().pop());
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}
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}
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@ -2,37 +2,34 @@ use std::sync::Arc;
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use futures_util::Future;
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use crate::{
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runtime::{with_current_scope, with_runtime},
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Element, ScopeId, Task,
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};
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use crate::{runtime::Runtime, Element, ScopeId, Task};
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/// Get the current scope id
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pub fn current_scope_id() -> Option<ScopeId> {
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with_runtime(|rt| rt.current_scope_id()).flatten()
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Runtime::with(|rt| rt.current_scope_id()).flatten()
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}
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#[doc(hidden)]
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/// Check if the virtual dom is currently inside of the body of a component
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pub fn vdom_is_rendering() -> bool {
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with_runtime(|rt| rt.rendering.get()).unwrap_or_default()
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Runtime::with(|rt| rt.rendering.get()).unwrap_or_default()
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}
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/// Consume context from the current scope
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pub fn try_consume_context<T: 'static + Clone>() -> Option<T> {
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with_current_scope(|cx| cx.consume_context::<T>()).flatten()
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Runtime::with_current_scope(|cx| cx.consume_context::<T>()).flatten()
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}
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/// Consume context from the current scope
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pub fn consume_context<T: 'static + Clone>() -> T {
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with_current_scope(|cx| cx.consume_context::<T>())
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Runtime::with_current_scope(|cx| cx.consume_context::<T>())
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.flatten()
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.unwrap_or_else(|| panic!("Could not find context {}", std::any::type_name::<T>()))
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}
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/// Consume context from the current scope
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pub fn consume_context_from_scope<T: 'static + Clone>(scope_id: ScopeId) -> Option<T> {
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with_runtime(|rt| {
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Runtime::with(|rt| {
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rt.get_context(scope_id)
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.and_then(|cx| cx.consume_context::<T>())
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})
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@ -41,22 +38,22 @@ pub fn consume_context_from_scope<T: 'static + Clone>(scope_id: ScopeId) -> Opti
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/// Check if the current scope has a context
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pub fn has_context<T: 'static + Clone>() -> Option<T> {
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with_current_scope(|cx| cx.has_context::<T>()).flatten()
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Runtime::with_current_scope(|cx| cx.has_context::<T>()).flatten()
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}
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/// Provide context to the current scope
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pub fn provide_context<T: 'static + Clone>(value: T) -> T {
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with_current_scope(|cx| cx.provide_context(value)).expect("to be in a dioxus runtime")
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Runtime::with_current_scope(|cx| cx.provide_context(value)).expect("to be in a dioxus runtime")
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}
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/// Provide a context to the root scope
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pub fn provide_root_context<T: 'static + Clone>(value: T) -> Option<T> {
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with_current_scope(|cx| cx.provide_root_context(value))
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Runtime::with_current_scope(|cx| cx.provide_root_context(value))
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}
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/// Suspends the current component
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pub fn suspend() -> Option<Element> {
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with_current_scope(|cx| {
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Runtime::with_current_scope(|cx| {
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cx.suspend();
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});
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None
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@ -64,21 +61,21 @@ pub fn suspend() -> Option<Element> {
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/// Spawns the future but does not return the [`TaskId`]
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pub fn spawn(fut: impl Future<Output = ()> + 'static) -> Task {
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with_current_scope(|cx| cx.spawn(fut)).expect("to be in a dioxus runtime")
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Runtime::with_current_scope(|cx| cx.spawn(fut)).expect("to be in a dioxus runtime")
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}
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/// Spawn a future that Dioxus won't clean up when this component is unmounted
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///
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/// This is good for tasks that need to be run after the component has been dropped.
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pub fn spawn_forever(fut: impl Future<Output = ()> + 'static) -> Option<Task> {
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with_current_scope(|cx| cx.spawn_forever(fut))
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Runtime::with_current_scope(|cx| cx.spawn_forever(fut))
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}
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/// Informs the scheduler that this task is no longer needed and should be removed.
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///
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/// This drops the task immediately.
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pub fn remove_future(id: Task) {
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with_current_scope(|cx| cx.remove_future(id));
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Runtime::with_current_scope(|cx| cx.remove_future(id));
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}
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/// Store a value between renders. The foundational hook for all other hooks.
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@ -98,24 +95,24 @@ pub fn remove_future(id: Task) {
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/// }
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/// ```
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pub fn use_hook<State: Clone + 'static>(initializer: impl FnOnce() -> State) -> State {
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with_current_scope(|cx| cx.use_hook(initializer)).expect("to be in a dioxus runtime")
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Runtime::with_current_scope(|cx| cx.use_hook(initializer)).expect("to be in a dioxus runtime")
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}
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/// Get the current render since the inception of this component
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///
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/// This can be used as a helpful diagnostic when debugging hooks/renders, etc
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pub fn generation() -> usize {
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with_current_scope(|cx| cx.generation()).expect("to be in a dioxus runtime")
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Runtime::with_current_scope(|cx| cx.generation()).expect("to be in a dioxus runtime")
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}
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/// Get the parent of the current scope if it exists
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pub fn parent_scope() -> Option<ScopeId> {
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with_current_scope(|cx| cx.parent_id()).flatten()
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Runtime::with_current_scope(|cx| cx.parent_id()).flatten()
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}
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/// Mark the current scope as dirty, causing it to re-render
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pub fn needs_update() {
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with_current_scope(|cx| cx.needs_update());
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Runtime::with_current_scope(|cx| cx.needs_update());
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}
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/// Schedule an update for the current component
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@ -124,7 +121,7 @@ pub fn needs_update() {
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///
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/// You should prefer [`schedule_update_any`] if you need to update multiple components.
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pub fn schedule_update() -> Arc<dyn Fn() + Send + Sync> {
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with_current_scope(|cx| cx.schedule_update()).expect("to be in a dioxus runtime")
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Runtime::with_current_scope(|cx| cx.schedule_update()).expect("to be in a dioxus runtime")
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}
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/// Schedule an update for any component given its [`ScopeId`].
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@ -133,5 +130,5 @@ pub fn schedule_update() -> Arc<dyn Fn() + Send + Sync> {
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///
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/// Note: Unlike [`needs_update`], the function returned by this method will work outside of the dioxus runtime.
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pub fn schedule_update_any() -> Arc<dyn Fn(ScopeId) + Send + Sync> {
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with_current_scope(|cx| cx.schedule_update_any()).expect("to be in a dioxus runtime")
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Runtime::with_current_scope(|cx| cx.schedule_update_any()).expect("to be in a dioxus runtime")
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}
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@ -78,8 +78,8 @@ pub use crate::innerlude::{
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AnyValue, Attribute, AttributeValue, BoxedContext, CapturedError, Component, ComponentFunction,
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CrossPlatformConfig, DynamicNode, Element, ElementId, Event, Fragment, HasAttributes,
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IntoDynNode, Mutation, Mutations, NoOpMutations, PlatformBuilder, Properties, RenderReturn,
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ScopeId, ScopeState, Task, Template, TemplateAttribute, TemplateNode, VComponent, VNode,
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VNodeInner, VPlaceholder, VText, VirtualDom, WriteMutations,
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Runtime, ScopeId, ScopeState, Task, Template, TemplateAttribute, TemplateNode, VComponent,
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VNode, VNodeInner, VPlaceholder, VText, VirtualDom, WriteMutations,
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};
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/// The purpose of this module is to alleviate imports of many common types
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@ -14,48 +14,6 @@ thread_local! {
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static RUNTIMES: RefCell<Vec<Rc<Runtime>>> = RefCell::new(vec![]);
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}
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/// Pushes a new scope onto the stack
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pub(crate) fn push_runtime(runtime: Rc<Runtime>) {
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RUNTIMES.with(|stack| stack.borrow_mut().push(runtime));
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}
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/// Pops a scope off the stack
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pub(crate) fn pop_runtime() {
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RUNTIMES.with(|stack| stack.borrow_mut().pop());
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}
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/// Runs a function with the current runtime
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pub(crate) fn with_runtime<F, R>(f: F) -> Option<R>
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where
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F: FnOnce(&Runtime) -> R,
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{
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RUNTIMES.with(|stack| {
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let stack = stack.borrow();
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stack.last().map(|r| f(r))
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})
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}
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/// Runs a function with the current scope
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pub(crate) fn with_current_scope<F, R>(f: F) -> Option<R>
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where
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F: FnOnce(&ScopeContext) -> R,
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{
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with_runtime(|runtime| {
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runtime
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.current_scope_id()
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.and_then(|scope| runtime.get_context(scope).map(|sc| f(&sc)))
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})
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.flatten()
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}
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/// Runs a function with the current scope
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pub(crate) fn with_scope<F, R>(scope: ScopeId, f: F) -> Option<R>
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where
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F: FnOnce(&ScopeContext) -> R,
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{
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with_runtime(|runtime| runtime.get_context(scope).map(|sc| f(&sc))).flatten()
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}
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/// A global runtime that is shared across all scopes that provides the async runtime and context API
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pub struct Runtime {
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pub(crate) scope_contexts: RefCell<Vec<Option<ScopeContext>>>,
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@ -112,7 +70,7 @@ impl Runtime {
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/// Call this function with the current scope set to the given scope
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///
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/// Useful in a limited number of scenarios, not public.
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pub(crate) fn with_scope<O>(&self, id: ScopeId, f: impl FnOnce() -> O) -> O {
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pub fn on_scope<O>(&self, id: ScopeId, f: impl FnOnce() -> O) -> O {
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self.scope_stack.borrow_mut().push(id);
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let o = f();
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self.scope_stack.borrow_mut().pop();
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@ -128,6 +86,47 @@ impl Runtime {
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})
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.ok()
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}
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/// Pushes a new scope onto the stack
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pub(crate) fn push_runtime(runtime: Rc<Runtime>) {
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RUNTIMES.with(|stack| stack.borrow_mut().push(runtime));
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}
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/// Pops a scope off the stack
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pub(crate) fn pop_runtime() {
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RUNTIMES.with(|stack| stack.borrow_mut().pop());
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}
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/// Runs a function with the current runtime
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pub(crate) fn with<F, R>(f: F) -> Option<R>
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where
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F: FnOnce(&Runtime) -> R,
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{
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RUNTIMES.with(|stack| {
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let stack = stack.borrow();
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stack.last().map(|r| f(r))
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})
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}
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/// Runs a function with the current scope
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pub(crate) fn with_current_scope<F, R>(f: F) -> Option<R>
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where
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F: FnOnce(&ScopeContext) -> R,
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{
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Self::with(|rt| {
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rt.current_scope_id()
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.and_then(|scope| rt.get_context(scope).map(|sc| f(&sc)))
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})
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.flatten()
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}
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/// Runs a function with the current scope
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pub(crate) fn with_scope<F, R>(scope: ScopeId, f: F) -> Option<R>
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where
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F: FnOnce(&ScopeContext) -> R,
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{
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Self::with(|rt| rt.get_context(scope).map(|sc| f(&sc))).flatten()
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}
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}
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/// 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.
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@ -166,24 +165,13 @@ pub struct RuntimeGuard(());
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impl RuntimeGuard {
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/// Create a new runtime guard that sets the current Dioxus runtime. The runtime will be reset when the guard is dropped
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pub fn new(runtime: Rc<Runtime>) -> Self {
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push_runtime(runtime);
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Runtime::push_runtime(runtime);
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Self(())
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}
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/// Run a function with a given runtime and scope in context
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pub fn with<O>(runtime: Rc<Runtime>, scope: Option<ScopeId>, f: impl FnOnce() -> O) -> O {
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let guard = Self::new(runtime.clone());
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let o = match scope {
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Some(scope) => Runtime::with_scope(&runtime, scope, f),
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None => f(),
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};
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drop(guard);
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o
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}
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}
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impl Drop for RuntimeGuard {
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fn drop(&mut self) {
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pop_runtime();
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Runtime::pop_runtime();
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}
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}
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@ -1,8 +1,4 @@
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use crate::{
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innerlude::SchedulerMsg,
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runtime::{with_runtime, with_scope},
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Element, ScopeId, Task,
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};
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use crate::{innerlude::SchedulerMsg, Element, Runtime, ScopeId, Task};
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use rustc_hash::FxHashSet;
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use std::{
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any::Any,
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@ -53,7 +49,7 @@ impl ScopeContext {
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}
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fn sender(&self) -> futures_channel::mpsc::UnboundedSender<SchedulerMsg> {
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with_runtime(|rt| rt.sender.clone()).unwrap()
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Runtime::with(|rt| rt.sender.clone()).unwrap()
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}
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/// Mark this scope as dirty, and schedule a render for it.
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@ -107,7 +103,7 @@ impl ScopeContext {
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}
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let mut search_parent = self.parent_id;
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let cur_runtime = with_runtime(|runtime: &crate::runtime::Runtime| {
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let cur_runtime = Runtime::with(|runtime| {
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while let Some(parent_id) = search_parent {
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let parent = runtime.get_context(parent_id).unwrap();
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tracing::trace!(
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@ -210,7 +206,7 @@ impl ScopeContext {
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/// Note that you should be checking if the context existed before trying to provide a new one. Providing a context
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/// when a context already exists will swap the context out for the new one, which may not be what you want.
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pub fn provide_root_context<T: 'static + Clone>(&self, context: T) -> T {
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with_runtime(|runtime| {
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Runtime::with(|runtime| {
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runtime
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.get_context(ScopeId::ROOT)
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.unwrap()
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@ -221,7 +217,7 @@ impl ScopeContext {
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/// Spawns the future but does not return the [`TaskId`]
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pub fn spawn(&self, fut: impl Future<Output = ()> + 'static) -> Task {
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let id = with_runtime(|rt| rt.spawn(self.id, fut)).expect("Runtime to exist");
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let id = Runtime::with(|rt| rt.spawn(self.id, fut)).expect("Runtime to exist");
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self.spawned_tasks.borrow_mut().insert(id);
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id
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}
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@ -231,14 +227,14 @@ impl ScopeContext {
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/// This is good for tasks that need to be run after the component has been dropped.
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pub fn spawn_forever(&self, fut: impl Future<Output = ()> + 'static) -> Task {
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// The root scope will never be unmounted so we can just add the task at the top of the app
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with_runtime(|rt| rt.spawn(ScopeId::ROOT, fut)).expect("Runtime to exist")
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Runtime::with(|rt| rt.spawn(ScopeId::ROOT, fut)).expect("Runtime to exist")
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}
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/// Informs the scheduler that this task is no longer needed and should be removed.
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///
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/// This drops the task immediately.
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pub fn remove_future(&self, id: Task) {
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with_runtime(|rt| rt.remove_task(id)).expect("Runtime to exist");
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Runtime::with(|rt| rt.remove_task(id)).expect("Runtime to exist");
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}
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/// Mark this component as suspended and then return None
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@ -303,7 +299,7 @@ impl ScopeContext {
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impl Drop for ScopeContext {
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fn drop(&mut self) {
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// Drop all spawned tasks
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_ = with_runtime(|rt| {
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_ = Runtime::with(|rt| {
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for id in self.spawned_tasks.borrow().iter() {
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rt.remove_task(*id);
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}
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@ -314,23 +310,23 @@ impl Drop for ScopeContext {
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impl ScopeId {
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/// Get the current scope id
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pub fn current_scope_id(self) -> Option<ScopeId> {
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with_runtime(|rt| rt.current_scope_id()).flatten()
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Runtime::with(|rt| rt.current_scope_id()).flatten()
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}
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#[doc(hidden)]
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/// Check if the virtual dom is currently inside of the body of a component
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pub fn vdom_is_rendering(self) -> bool {
|
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with_runtime(|rt| rt.rendering.get()).unwrap_or_default()
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Runtime::with(|rt| rt.rendering.get()).unwrap_or_default()
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}
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|
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/// Consume context from the current scope
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pub fn consume_context<T: 'static + Clone>(self) -> Option<T> {
|
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with_scope(self, |cx| cx.consume_context::<T>()).flatten()
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Runtime::with_scope(self, |cx| cx.consume_context::<T>()).flatten()
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}
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/// Consume context from the current scope
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pub fn consume_context_from_scope<T: 'static + Clone>(self, scope_id: ScopeId) -> Option<T> {
|
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with_runtime(|rt| {
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Runtime::with(|rt| {
|
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rt.get_context(scope_id)
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.and_then(|cx| cx.consume_context::<T>())
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})
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|
@ -339,17 +335,18 @@ impl ScopeId {
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|
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/// Check if the current scope has a context
|
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pub fn has_context<T: 'static + Clone>(self) -> Option<T> {
|
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with_scope(self, |cx| cx.has_context::<T>()).flatten()
|
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Runtime::with_scope(self, |cx| cx.has_context::<T>()).flatten()
|
||||
}
|
||||
|
||||
/// Provide context to the current scope
|
||||
pub fn provide_context<T: 'static + Clone>(self, value: T) -> T {
|
||||
with_scope(self, |cx| cx.provide_context(value)).expect("to be in a dioxus runtime")
|
||||
Runtime::with_scope(self, |cx| cx.provide_context(value))
|
||||
.expect("to be in a dioxus runtime")
|
||||
}
|
||||
|
||||
/// Suspends the current component
|
||||
pub fn suspend(self) -> Option<Element> {
|
||||
with_scope(self, |cx| {
|
||||
Runtime::with_scope(self, |cx| {
|
||||
cx.suspend();
|
||||
});
|
||||
None
|
||||
|
@ -357,40 +354,40 @@ impl ScopeId {
|
|||
|
||||
/// Pushes the future onto the poll queue to be polled after the component renders.
|
||||
pub fn push_future(self, fut: impl Future<Output = ()> + 'static) -> Option<Task> {
|
||||
with_scope(self, |cx| cx.spawn(fut))
|
||||
Runtime::with_scope(self, |cx| cx.spawn(fut))
|
||||
}
|
||||
|
||||
/// Spawns the future but does not return the [`TaskId`]
|
||||
pub fn spawn(self, fut: impl Future<Output = ()> + 'static) {
|
||||
with_scope(self, |cx| cx.spawn(fut));
|
||||
Runtime::with_scope(self, |cx| cx.spawn(fut));
|
||||
}
|
||||
|
||||
/// Get the current render since the inception of this component
|
||||
///
|
||||
/// This can be used as a helpful diagnostic when debugging hooks/renders, etc
|
||||
pub fn generation(self) -> Option<usize> {
|
||||
with_scope(self, |cx| Some(cx.generation())).expect("to be in a dioxus runtime")
|
||||
Runtime::with_scope(self, |cx| Some(cx.generation())).expect("to be in a dioxus runtime")
|
||||
}
|
||||
|
||||
/// Get the parent of the current scope if it exists
|
||||
pub fn parent_scope(self) -> Option<ScopeId> {
|
||||
with_scope(self, |cx| cx.parent_id()).flatten()
|
||||
Runtime::with_scope(self, |cx| cx.parent_id()).flatten()
|
||||
}
|
||||
|
||||
/// Mark the current scope as dirty, causing it to re-render
|
||||
pub fn needs_update(self) {
|
||||
with_scope(self, |cx| cx.needs_update());
|
||||
Runtime::with_scope(self, |cx| cx.needs_update());
|
||||
}
|
||||
|
||||
/// Create a subscription that schedules a future render for the reference component. Unlike [`Self::needs_update`], this function will work outside of the dioxus runtime.
|
||||
///
|
||||
/// ## Notice: you should prefer using [`dioxus_core::schedule_update_any`] and [`Self::scope_id`]
|
||||
pub fn schedule_update(&self) -> Arc<dyn Fn() + Send + Sync + 'static> {
|
||||
with_scope(*self, |cx| cx.schedule_update()).expect("to be in a dioxus runtime")
|
||||
Runtime::with_scope(*self, |cx| cx.schedule_update()).expect("to be in a dioxus runtime")
|
||||
}
|
||||
|
||||
/// Get the height of the current scope
|
||||
pub fn height(self) -> u32 {
|
||||
with_scope(self, |cx| cx.height()).expect("to be in a dioxus runtime")
|
||||
Runtime::with_scope(self, |cx| cx.height()).expect("to be in a dioxus runtime")
|
||||
}
|
||||
}
|
||||
|
|
|
@ -36,11 +36,12 @@ impl AssetHandlerRegistry {
|
|||
responder: RequestAsyncResponder,
|
||||
) {
|
||||
if let Some(handler) = self.handlers.borrow().get(name) {
|
||||
// make sure the runtime is alive for the duration of the handler
|
||||
// We should do this for all the things - not just asset handlers
|
||||
RuntimeGuard::with(self.dom_rt.clone(), Some(handler.scope), || {
|
||||
(handler.f)(request, responder)
|
||||
});
|
||||
// Push the runtime onto the stack
|
||||
let _guard = RuntimeGuard::new(self.dom_rt.clone());
|
||||
|
||||
// And run the handler in the scope of the component that created it
|
||||
self.dom_rt
|
||||
.on_scope(handler.scope, || (handler.f)(request, responder));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue