mirror of
https://github.com/DioxusLabs/dioxus
synced 2024-11-23 12:43:08 +00:00
feat: async components!
This commit is contained in:
Jonathan Kelley
parent
51aeb29d1a
commit
94601ccd1f
13 changed files with 702 additions and 501 deletions
|
|
@ -1,7 +1,9 @@
|
|||
use std::marker::PhantomData;
|
||||
|
||||
use futures_util::Future;
|
||||
|
||||
use crate::{
|
||||
component::{Component, ComponentFn, Dummy, IntoComponent},
|
||||
factory::ReturnType,
|
||||
scopes::{Scope, ScopeState},
|
||||
Element,
|
||||
};
|
||||
|
|
@ -12,25 +14,30 @@ pub trait AnyProps<'a> {
|
|||
unsafe fn memoize(&self, other: &dyn AnyProps) -> bool;
|
||||
}
|
||||
|
||||
pub(crate) struct VComponentProps<'a, P, F: Future<Output = Element<'a>> = Dummy<'a>> {
|
||||
pub render_fn: ComponentFn<'a, P, F>,
|
||||
pub(crate) struct VComponentProps<'a, P, A, F = Element<'a>>
|
||||
where
|
||||
F: ReturnType<'a, A>,
|
||||
{
|
||||
pub render_fn: fn(Scope<'a, P>) -> F,
|
||||
pub memo: unsafe fn(&P, &P) -> bool,
|
||||
pub props: *const P,
|
||||
pub _marker: PhantomData<A>,
|
||||
}
|
||||
|
||||
impl<'a> VComponentProps<'a, ()> {
|
||||
pub fn new_empty(render_fn: Component<'a, ()>) -> Self {
|
||||
impl<'a> VComponentProps<'a, (), ()> {
|
||||
pub fn new_empty(render_fn: fn(Scope) -> Element) -> Self {
|
||||
Self {
|
||||
render_fn: render_fn.into_component(),
|
||||
render_fn,
|
||||
memo: <() as PartialEq>::eq,
|
||||
props: std::ptr::null_mut(),
|
||||
_marker: PhantomData,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, P, F: Future<Output = Element<'a>>> VComponentProps<'a, P, F> {
|
||||
impl<'a, P, A, F: ReturnType<'a, A>> VComponentProps<'a, P, A, F> {
|
||||
pub(crate) fn new(
|
||||
render_fn: ComponentFn<'a, P, F>,
|
||||
render_fn: fn(Scope<'a, P>) -> F,
|
||||
memo: unsafe fn(&P, &P) -> bool,
|
||||
props: *const P,
|
||||
) -> Self {
|
||||
|
|
@ -38,11 +45,12 @@ impl<'a, P, F: Future<Output = Element<'a>>> VComponentProps<'a, P, F> {
|
|||
render_fn,
|
||||
memo,
|
||||
props,
|
||||
_marker: PhantomData,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, P, F: Future<Output = Element<'a>>> AnyProps<'a> for VComponentProps<'a, P, F> {
|
||||
impl<'a, P, A, F: ReturnType<'a, A>> AnyProps<'a> for VComponentProps<'a, P, A, F> {
|
||||
fn as_ptr(&self) -> *const () {
|
||||
&self.props as *const _ as *const ()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -9,73 +9,3 @@ use futures_util::Future;
|
|||
use crate::{scopes::Scope, Element};
|
||||
|
||||
pub type Component<'a, T = ()> = fn(Scope<'a, T>) -> Element<'a>;
|
||||
|
||||
pub enum ComponentFn<'a, T, F: Future<Output = Element<'a>> = Dummy<'a>> {
|
||||
Sync(fn(Scope<'a, T>) -> Element),
|
||||
Async(fn(Scope<'a, T>) -> F),
|
||||
}
|
||||
|
||||
pub trait IntoComponent<'a, T, F: Future<Output = Element<'a>> = Dummy<'a>, A = ()> {
|
||||
fn into_component(self) -> ComponentFn<'a, T, F>;
|
||||
}
|
||||
|
||||
impl<'a, T> IntoComponent<'a, T, Dummy<'a>> for fn(Scope<'a, T>) -> Element<'a> {
|
||||
fn into_component(self) -> ComponentFn<'a, T> {
|
||||
ComponentFn::Sync(self)
|
||||
}
|
||||
}
|
||||
|
||||
enum ComponentFn2 {
|
||||
Sync(fn(Scope) -> Element),
|
||||
}
|
||||
|
||||
trait AsComponent {
|
||||
fn as_component(self) -> ComponentFn2;
|
||||
}
|
||||
|
||||
// impl AsComponent for fn(Scope) -> Element {
|
||||
// fn as_component(self) -> ComponentFn2 {
|
||||
// ComponentFn2::Sync(self)
|
||||
// }
|
||||
// }
|
||||
|
||||
// impl<F> AsComponent for for<'r> fn(Scope<'r>) ->
|
||||
// where
|
||||
// F: Future<Output = Element<'r>>,
|
||||
// {
|
||||
// fn as_component(self) -> ComponentFn2 {
|
||||
// ComponentFn2::Sync(self)
|
||||
// }
|
||||
// }
|
||||
|
||||
fn takes_f(f: impl AsComponent) {}
|
||||
|
||||
#[test]
|
||||
fn example() {
|
||||
fn app(cx: Scope) -> Element {
|
||||
todo!()
|
||||
}
|
||||
|
||||
// takes_f(app as fn(Scope) -> Element);
|
||||
}
|
||||
|
||||
// pub struct AsyncMarker;
|
||||
// impl<'a, T, F: Future<Output = Element<'a>>> IntoComponent<'a, T, F, AsyncMarker>
|
||||
// for fn(Scope<'a, T>) -> F
|
||||
// {
|
||||
// fn into_component(self) -> ComponentFn<'a, T, F> {
|
||||
// ComponentFn::Async(self)
|
||||
// }
|
||||
// }
|
||||
|
||||
pub struct Dummy<'a>(PhantomData<&'a ()>);
|
||||
impl<'a> Future for Dummy<'a> {
|
||||
type Output = Element<'a>;
|
||||
|
||||
fn poll(
|
||||
self: std::pin::Pin<&mut Self>,
|
||||
_cx: &mut std::task::Context<'_>,
|
||||
) -> std::task::Poll<Self::Output> {
|
||||
unreachable!()
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@ use crate::mutations::Mutation::*;
|
|||
use crate::nodes::VNode;
|
||||
use crate::nodes::{DynamicNode, TemplateNode};
|
||||
use crate::virtualdom::VirtualDom;
|
||||
use crate::{AttributeValue, TemplateAttribute};
|
||||
use crate::{AttributeValue, ElementId, TemplateAttribute};
|
||||
|
||||
impl VirtualDom {
|
||||
/// Create this template and write its mutations
|
||||
|
|
@ -106,7 +106,7 @@ impl VirtualDom {
|
|||
on_stack
|
||||
}
|
||||
|
||||
fn create_static_node<'a>(
|
||||
pub fn create_static_node<'a>(
|
||||
&mut self,
|
||||
mutations: &mut Vec<Mutation<'a>>,
|
||||
template: &'a VNode<'a>,
|
||||
|
|
@ -114,7 +114,7 @@ impl VirtualDom {
|
|||
) {
|
||||
match *node {
|
||||
// Todo: create the children's template
|
||||
TemplateNode::Dynamic(_) => mutations.push(CreatePlaceholder),
|
||||
TemplateNode::Dynamic(_) => mutations.push(CreatePlaceholder { id: ElementId(0) }),
|
||||
TemplateNode::Text(value) => mutations.push(CreateText { value }),
|
||||
TemplateNode::DynamicText { .. } => mutations.push(CreateText {
|
||||
value: "placeholder",
|
||||
|
|
@ -149,7 +149,7 @@ impl VirtualDom {
|
|||
}
|
||||
}
|
||||
|
||||
fn create_dynamic_node<'a>(
|
||||
pub fn create_dynamic_node<'a>(
|
||||
&mut self,
|
||||
mutations: &mut Vec<Mutation<'a>>,
|
||||
template: &'a VNode<'a>,
|
||||
|
|
@ -170,7 +170,7 @@ impl VirtualDom {
|
|||
}
|
||||
|
||||
DynamicNode::Component { props, .. } => {
|
||||
let id = self.new_scope(unsafe { std::mem::transmute(*props) });
|
||||
let id = self.new_scope(unsafe { std::mem::transmute(props.get()) });
|
||||
|
||||
let template = self.run_scope(id);
|
||||
|
||||
|
|
@ -184,11 +184,14 @@ impl VirtualDom {
|
|||
created
|
||||
}
|
||||
|
||||
DynamicNode::Fragment { children } => {
|
||||
//
|
||||
children
|
||||
.iter()
|
||||
.fold(0, |acc, child| acc + self.create(mutations, child))
|
||||
DynamicNode::Fragment(children) => children
|
||||
.iter()
|
||||
.fold(0, |acc, child| acc + self.create(mutations, child)),
|
||||
|
||||
DynamicNode::Placeholder(_) => {
|
||||
let id = self.next_element(template);
|
||||
mutations.push(CreatePlaceholder { id });
|
||||
1
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,7 @@
|
|||
use std::any::Any;
|
||||
|
||||
use crate::virtualdom::VirtualDom;
|
||||
use crate::{Attribute, AttributeValue, TemplateNode};
|
||||
|
||||
use crate::any_props::VComponentProps;
|
||||
|
||||
|
|
@ -13,6 +16,7 @@ use crate::{
|
|||
nodes::VNode,
|
||||
scopes::{ScopeId, ScopeState},
|
||||
};
|
||||
use fxhash::{FxHashMap, FxHashSet};
|
||||
use slab::Slab;
|
||||
|
||||
pub struct DirtyScope {
|
||||
|
|
@ -20,16 +24,574 @@ pub struct DirtyScope {
|
|||
id: ScopeId,
|
||||
}
|
||||
|
||||
impl VirtualDom {
|
||||
fn diff_scope<'a>(&'a mut self, mutations: &mut Vec<Mutation<'a>>, scope: ScopeId) {
|
||||
impl<'b> VirtualDom {
|
||||
pub fn diff_scope(&mut self, mutations: &mut Vec<Mutation<'b>>, scope: ScopeId) {
|
||||
let scope_state = &mut self.scopes[scope.0];
|
||||
}
|
||||
|
||||
fn diff_template<'a>(
|
||||
&'a mut self,
|
||||
mutations: &mut Vec<Mutation<'a>>,
|
||||
left: &VNode,
|
||||
right: &VNode,
|
||||
pub fn diff_node(
|
||||
&mut self,
|
||||
muts: &mut Vec<Mutation<'b>>,
|
||||
left_template: &'b VNode<'b>,
|
||||
right_template: &'b VNode<'b>,
|
||||
) {
|
||||
if left_template.template.id != right_template.template.id {
|
||||
// do a light diff of the roots nodes.
|
||||
return;
|
||||
}
|
||||
|
||||
for (_idx, (left_attr, right_attr)) in left_template
|
||||
.dynamic_attrs
|
||||
.iter()
|
||||
.zip(right_template.dynamic_attrs.iter())
|
||||
.enumerate()
|
||||
{
|
||||
debug_assert!(left_attr.name == right_attr.name);
|
||||
debug_assert!(left_attr.value == right_attr.value);
|
||||
|
||||
// Move over the ID from the old to the new
|
||||
right_attr
|
||||
.mounted_element
|
||||
.set(left_attr.mounted_element.get());
|
||||
|
||||
if left_attr.value != right_attr.value {
|
||||
let value = "todo!()";
|
||||
muts.push(Mutation::SetAttribute {
|
||||
id: left_attr.mounted_element.get(),
|
||||
name: left_attr.name,
|
||||
value,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
for (idx, (left_node, right_node)) in left_template
|
||||
.dynamic_nodes
|
||||
.iter()
|
||||
.zip(right_template.dynamic_nodes.iter())
|
||||
.enumerate()
|
||||
{
|
||||
#[rustfmt::skip]
|
||||
match (left_node, right_node) {
|
||||
(DynamicNode::Component { props: lprops, .. }, DynamicNode::Component { is_static , props: rprops, .. }) => {
|
||||
let left_props = unsafe { &mut *lprops.get()};
|
||||
let right_props = unsafe { &mut *rprops.get()};
|
||||
|
||||
// Ensure these two props are of the same component type
|
||||
match left_props.as_ptr() == right_props.as_ptr() {
|
||||
true => {
|
||||
//
|
||||
|
||||
if *is_static {
|
||||
let props_are_same = unsafe { left_props.memoize(right_props) };
|
||||
|
||||
if props_are_same{
|
||||
//
|
||||
} else {
|
||||
//
|
||||
}
|
||||
} else {
|
||||
|
||||
}
|
||||
|
||||
},
|
||||
false => todo!(),
|
||||
}
|
||||
//
|
||||
},
|
||||
|
||||
// Make sure to drop the component properly
|
||||
(DynamicNode::Component { .. }, right) => {
|
||||
// remove all the component roots except for the first
|
||||
// replace the first with the new node
|
||||
let m = self.create_dynamic_node(muts, right_template, right, idx);
|
||||
todo!()
|
||||
},
|
||||
|
||||
(DynamicNode::Text { id: lid, value: lvalue }, DynamicNode::Text { id: rid, value: rvalue }) => {
|
||||
rid.set(lid.get());
|
||||
if lvalue != rvalue {
|
||||
muts.push(Mutation::SetText {
|
||||
id: lid.get(),
|
||||
value: rvalue,
|
||||
});
|
||||
}
|
||||
},
|
||||
|
||||
(DynamicNode::Text { id: lid, .. }, right) => {
|
||||
let m = self.create_dynamic_node(muts, right_template, right, idx);
|
||||
muts.push(Mutation::Replace { id: lid.get(), m });
|
||||
}
|
||||
|
||||
(DynamicNode::Placeholder(_), DynamicNode::Placeholder(_)) => todo!(),
|
||||
(DynamicNode::Placeholder(_), _) => todo!(),
|
||||
|
||||
|
||||
(DynamicNode::Fragment (l), DynamicNode::Fragment (r)) => {
|
||||
|
||||
|
||||
// match (old, new) {
|
||||
// ([], []) => rp.set(lp.get()),
|
||||
// ([], _) => {
|
||||
// //
|
||||
// todo!()
|
||||
// },
|
||||
// (_, []) => {
|
||||
// todo!()
|
||||
// },
|
||||
// _ => {
|
||||
// let new_is_keyed = new[0].key.is_some();
|
||||
// let old_is_keyed = old[0].key.is_some();
|
||||
|
||||
// debug_assert!(
|
||||
// new.iter().all(|n| n.key.is_some() == new_is_keyed),
|
||||
// "all siblings must be keyed or all siblings must be non-keyed"
|
||||
// );
|
||||
// debug_assert!(
|
||||
// old.iter().all(|o| o.key.is_some() == old_is_keyed),
|
||||
// "all siblings must be keyed or all siblings must be non-keyed"
|
||||
// );
|
||||
|
||||
// if new_is_keyed && old_is_keyed {
|
||||
// self.diff_keyed_children(muts, old, new);
|
||||
// } else {
|
||||
// self.diff_non_keyed_children(muts, old, new);
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
},
|
||||
|
||||
// Make sure to drop all the fragment children properly
|
||||
(DynamicNode::Fragment { .. }, right) => todo!(),
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
// Diff children that are not keyed.
|
||||
//
|
||||
// The parent must be on the top of the change list stack when entering this
|
||||
// function:
|
||||
//
|
||||
// [... parent]
|
||||
//
|
||||
// the change list stack is in the same state when this function returns.
|
||||
fn diff_non_keyed_children(
|
||||
&mut self,
|
||||
muts: &mut Vec<Mutation<'b>>,
|
||||
old: &'b [VNode<'b>],
|
||||
new: &'b [VNode<'b>],
|
||||
) {
|
||||
use std::cmp::Ordering;
|
||||
|
||||
// Handled these cases in `diff_children` before calling this function.
|
||||
debug_assert!(!new.is_empty());
|
||||
debug_assert!(!old.is_empty());
|
||||
|
||||
match old.len().cmp(&new.len()) {
|
||||
Ordering::Greater => self.remove_nodes(muts, &old[new.len()..]),
|
||||
Ordering::Less => todo!(),
|
||||
// Ordering::Less => self.create_and_insert_after(&new[old.len()..], old.last().unwrap()),
|
||||
Ordering::Equal => {}
|
||||
}
|
||||
|
||||
for (new, old) in new.iter().zip(old.iter()) {
|
||||
self.diff_node(muts, old, new);
|
||||
}
|
||||
}
|
||||
|
||||
// Diffing "keyed" children.
|
||||
//
|
||||
// With keyed children, we care about whether we delete, move, or create nodes
|
||||
// versus mutate existing nodes in place. Presumably there is some sort of CSS
|
||||
// transition animation that makes the virtual DOM diffing algorithm
|
||||
// observable. By specifying keys for nodes, we know which virtual DOM nodes
|
||||
// must reuse (or not reuse) the same physical DOM nodes.
|
||||
//
|
||||
// This is loosely based on Inferno's keyed patching implementation. However, we
|
||||
// have to modify the algorithm since we are compiling the diff down into change
|
||||
// list instructions that will be executed later, rather than applying the
|
||||
// changes to the DOM directly as we compare virtual DOMs.
|
||||
//
|
||||
// https://github.com/infernojs/inferno/blob/36fd96/packages/inferno/src/DOM/patching.ts#L530-L739
|
||||
//
|
||||
// The stack is empty upon entry.
|
||||
fn diff_keyed_children(
|
||||
&mut self,
|
||||
muts: &mut Vec<Mutation<'b>>,
|
||||
old: &'b [VNode<'b>],
|
||||
new: &'b [VNode<'b>],
|
||||
) {
|
||||
// if cfg!(debug_assertions) {
|
||||
// let mut keys = fxhash::FxHashSet::default();
|
||||
// let mut assert_unique_keys = |children: &'b [VNode<'b>]| {
|
||||
// keys.clear();
|
||||
// for child in children {
|
||||
// let key = child.key;
|
||||
// debug_assert!(
|
||||
// key.is_some(),
|
||||
// "if any sibling is keyed, all siblings must be keyed"
|
||||
// );
|
||||
// keys.insert(key);
|
||||
// }
|
||||
// debug_assert_eq!(
|
||||
// children.len(),
|
||||
// keys.len(),
|
||||
// "keyed siblings must each have a unique key"
|
||||
// );
|
||||
// };
|
||||
// assert_unique_keys(old);
|
||||
// assert_unique_keys(new);
|
||||
// }
|
||||
|
||||
// // First up, we diff all the nodes with the same key at the beginning of the
|
||||
// // children.
|
||||
// //
|
||||
// // `shared_prefix_count` is the count of how many nodes at the start of
|
||||
// // `new` and `old` share the same keys.
|
||||
// let (left_offset, right_offset) = match self.diff_keyed_ends(muts, old, new) {
|
||||
// Some(count) => count,
|
||||
// None => return,
|
||||
// };
|
||||
|
||||
// // Ok, we now hopefully have a smaller range of children in the middle
|
||||
// // within which to re-order nodes with the same keys, remove old nodes with
|
||||
// // now-unused keys, and create new nodes with fresh keys.
|
||||
|
||||
// let old_middle = &old[left_offset..(old.len() - right_offset)];
|
||||
// let new_middle = &new[left_offset..(new.len() - right_offset)];
|
||||
|
||||
// debug_assert!(
|
||||
// !((old_middle.len() == new_middle.len()) && old_middle.is_empty()),
|
||||
// "keyed children must have the same number of children"
|
||||
// );
|
||||
|
||||
// if new_middle.is_empty() {
|
||||
// // remove the old elements
|
||||
// self.remove_nodes(muts, old_middle);
|
||||
// } else if old_middle.is_empty() {
|
||||
// // there were no old elements, so just create the new elements
|
||||
// // we need to find the right "foothold" though - we shouldn't use the "append" at all
|
||||
// if left_offset == 0 {
|
||||
// // insert at the beginning of the old list
|
||||
// let foothold = &old[old.len() - right_offset];
|
||||
// self.create_and_insert_before(new_middle, foothold);
|
||||
// } else if right_offset == 0 {
|
||||
// // insert at the end the old list
|
||||
// let foothold = old.last().unwrap();
|
||||
// self.create_and_insert_after(new_middle, foothold);
|
||||
// } else {
|
||||
// // inserting in the middle
|
||||
// let foothold = &old[left_offset - 1];
|
||||
// self.create_and_insert_after(new_middle, foothold);
|
||||
// }
|
||||
// } else {
|
||||
// self.diff_keyed_middle(muts, old_middle, new_middle);
|
||||
// }
|
||||
}
|
||||
|
||||
// /// Diff both ends of the children that share keys.
|
||||
// ///
|
||||
// /// Returns a left offset and right offset of that indicates a smaller section to pass onto the middle diffing.
|
||||
// ///
|
||||
// /// If there is no offset, then this function returns None and the diffing is complete.
|
||||
// fn diff_keyed_ends(
|
||||
// &mut self,
|
||||
// muts: &mut Vec<Mutation<'b>>,
|
||||
// old: &'b [VNode<'b>],
|
||||
// new: &'b [VNode<'b>],
|
||||
// ) -> Option<(usize, usize)> {
|
||||
// let mut left_offset = 0;
|
||||
|
||||
// for (old, new) in old.iter().zip(new.iter()) {
|
||||
// // abort early if we finally run into nodes with different keys
|
||||
// if old.key != new.key {
|
||||
// break;
|
||||
// }
|
||||
// self.diff_node(muts, old, new);
|
||||
// left_offset += 1;
|
||||
// }
|
||||
|
||||
// // If that was all of the old children, then create and append the remaining
|
||||
// // new children and we're finished.
|
||||
// if left_offset == old.len() {
|
||||
// self.create_and_insert_after(&new[left_offset..], old.last().unwrap());
|
||||
// return None;
|
||||
// }
|
||||
|
||||
// // And if that was all of the new children, then remove all of the remaining
|
||||
// // old children and we're finished.
|
||||
// if left_offset == new.len() {
|
||||
// self.remove_nodes(muts, &old[left_offset..]);
|
||||
// return None;
|
||||
// }
|
||||
|
||||
// // if the shared prefix is less than either length, then we need to walk backwards
|
||||
// let mut right_offset = 0;
|
||||
// for (old, new) in old.iter().rev().zip(new.iter().rev()) {
|
||||
// // abort early if we finally run into nodes with different keys
|
||||
// if old.key != new.key {
|
||||
// break;
|
||||
// }
|
||||
// self.diff_node(muts, old, new);
|
||||
// right_offset += 1;
|
||||
// }
|
||||
|
||||
// Some((left_offset, right_offset))
|
||||
// }
|
||||
|
||||
// // The most-general, expensive code path for keyed children diffing.
|
||||
// //
|
||||
// // We find the longest subsequence within `old` of children that are relatively
|
||||
// // ordered the same way in `new` (via finding a longest-increasing-subsequence
|
||||
// // of the old child's index within `new`). The children that are elements of
|
||||
// // this subsequence will remain in place, minimizing the number of DOM moves we
|
||||
// // will have to do.
|
||||
// //
|
||||
// // Upon entry to this function, the change list stack must be empty.
|
||||
// //
|
||||
// // This function will load the appropriate nodes onto the stack and do diffing in place.
|
||||
// //
|
||||
// // Upon exit from this function, it will be restored to that same self.
|
||||
// #[allow(clippy::too_many_lines)]
|
||||
// fn diff_keyed_middle(
|
||||
// &mut self,
|
||||
// muts: &mut Vec<Mutation<'b>>,
|
||||
// old: &'b [VNode<'b>],
|
||||
// new: &'b [VNode<'b>],
|
||||
// ) {
|
||||
// /*
|
||||
// 1. Map the old keys into a numerical ordering based on indices.
|
||||
// 2. Create a map of old key to its index
|
||||
// 3. Map each new key to the old key, carrying over the old index.
|
||||
// - IE if we have ABCD becomes BACD, our sequence would be 1,0,2,3
|
||||
// - if we have ABCD to ABDE, our sequence would be 0,1,3,MAX because E doesn't exist
|
||||
|
||||
// now, we should have a list of integers that indicates where in the old list the new items map to.
|
||||
|
||||
// 4. Compute the LIS of this list
|
||||
// - this indicates the longest list of new children that won't need to be moved.
|
||||
|
||||
// 5. Identify which nodes need to be removed
|
||||
// 6. Identify which nodes will need to be diffed
|
||||
|
||||
// 7. Going along each item in the new list, create it and insert it before the next closest item in the LIS.
|
||||
// - if the item already existed, just move it to the right place.
|
||||
|
||||
// 8. Finally, generate instructions to remove any old children.
|
||||
// 9. Generate instructions to finally diff children that are the same between both
|
||||
// */
|
||||
// // 0. Debug sanity checks
|
||||
// // Should have already diffed the shared-key prefixes and suffixes.
|
||||
// debug_assert_ne!(new.first().map(|i| i.key), old.first().map(|i| i.key));
|
||||
// debug_assert_ne!(new.last().map(|i| i.key), old.last().map(|i| i.key));
|
||||
|
||||
// // 1. Map the old keys into a numerical ordering based on indices.
|
||||
// // 2. Create a map of old key to its index
|
||||
// // IE if the keys were A B C, then we would have (A, 1) (B, 2) (C, 3).
|
||||
// let old_key_to_old_index = old
|
||||
// .iter()
|
||||
// .enumerate()
|
||||
// .map(|(i, o)| (o.key.unwrap(), i))
|
||||
// .collect::<FxHashMap<_, _>>();
|
||||
|
||||
// let mut shared_keys = FxHashSet::default();
|
||||
|
||||
// // 3. Map each new key to the old key, carrying over the old index.
|
||||
// let new_index_to_old_index = new
|
||||
// .iter()
|
||||
// .map(|node| {
|
||||
// let key = node.key.unwrap();
|
||||
// if let Some(&index) = old_key_to_old_index.get(&key) {
|
||||
// shared_keys.insert(key);
|
||||
// index
|
||||
// } else {
|
||||
// u32::MAX as usize
|
||||
// }
|
||||
// })
|
||||
// .collect::<Vec<_>>();
|
||||
|
||||
// // If none of the old keys are reused by the new children, then we remove all the remaining old children and
|
||||
// // create the new children afresh.
|
||||
// if shared_keys.is_empty() {
|
||||
// if let Some(first_old) = old.get(0) {
|
||||
// self.remove_nodes(muts, &old[1..]);
|
||||
// let nodes_created = self.create_children(new);
|
||||
// self.replace_inner(first_old, nodes_created);
|
||||
// } else {
|
||||
// // I think this is wrong - why are we appending?
|
||||
// // only valid of the if there are no trailing elements
|
||||
// self.create_and_append_children(new);
|
||||
// }
|
||||
// return;
|
||||
// }
|
||||
|
||||
// // remove any old children that are not shared
|
||||
// // todo: make this an iterator
|
||||
// for child in old {
|
||||
// let key = child.key.unwrap();
|
||||
// if !shared_keys.contains(&key) {
|
||||
// todo!("remove node");
|
||||
// // self.remove_nodes(muts, [child]);
|
||||
// }
|
||||
// }
|
||||
|
||||
// // 4. Compute the LIS of this list
|
||||
// let mut lis_sequence = Vec::default();
|
||||
// lis_sequence.reserve(new_index_to_old_index.len());
|
||||
|
||||
// let mut predecessors = vec![0; new_index_to_old_index.len()];
|
||||
// let mut starts = vec![0; new_index_to_old_index.len()];
|
||||
|
||||
// longest_increasing_subsequence::lis_with(
|
||||
// &new_index_to_old_index,
|
||||
// &mut lis_sequence,
|
||||
// |a, b| a < b,
|
||||
// &mut predecessors,
|
||||
// &mut starts,
|
||||
// );
|
||||
|
||||
// // the lis comes out backwards, I think. can't quite tell.
|
||||
// lis_sequence.sort_unstable();
|
||||
|
||||
// // if a new node gets u32 max and is at the end, then it might be part of our LIS (because u32 max is a valid LIS)
|
||||
// if lis_sequence.last().map(|f| new_index_to_old_index[*f]) == Some(u32::MAX as usize) {
|
||||
// lis_sequence.pop();
|
||||
// }
|
||||
|
||||
// for idx in &lis_sequence {
|
||||
// self.diff_node(muts, &old[new_index_to_old_index[*idx]], &new[*idx]);
|
||||
// }
|
||||
|
||||
// let mut nodes_created = 0;
|
||||
|
||||
// // add mount instruction for the first items not covered by the lis
|
||||
// let last = *lis_sequence.last().unwrap();
|
||||
// if last < (new.len() - 1) {
|
||||
// for (idx, new_node) in new[(last + 1)..].iter().enumerate() {
|
||||
// let new_idx = idx + last + 1;
|
||||
// let old_index = new_index_to_old_index[new_idx];
|
||||
// if old_index == u32::MAX as usize {
|
||||
// nodes_created += self.create(muts, new_node);
|
||||
// } else {
|
||||
// self.diff_node(muts, &old[old_index], new_node);
|
||||
// nodes_created += self.push_all_real_nodes(new_node);
|
||||
// }
|
||||
// }
|
||||
|
||||
// self.mutations.insert_after(
|
||||
// self.find_last_element(&new[last]).unwrap(),
|
||||
// nodes_created as u32,
|
||||
// );
|
||||
// nodes_created = 0;
|
||||
// }
|
||||
|
||||
// // for each spacing, generate a mount instruction
|
||||
// let mut lis_iter = lis_sequence.iter().rev();
|
||||
// let mut last = *lis_iter.next().unwrap();
|
||||
// for next in lis_iter {
|
||||
// if last - next > 1 {
|
||||
// for (idx, new_node) in new[(next + 1)..last].iter().enumerate() {
|
||||
// let new_idx = idx + next + 1;
|
||||
// let old_index = new_index_to_old_index[new_idx];
|
||||
// if old_index == u32::MAX as usize {
|
||||
// nodes_created += self.create(muts, new_node);
|
||||
// } else {
|
||||
// self.diff_node(muts, &old[old_index], new_node);
|
||||
// nodes_created += self.push_all_real_nodes(new_node);
|
||||
// }
|
||||
// }
|
||||
|
||||
// self.mutations.insert_before(
|
||||
// self.find_first_element(&new[last]).unwrap(),
|
||||
// nodes_created as u32,
|
||||
// );
|
||||
|
||||
// nodes_created = 0;
|
||||
// }
|
||||
// last = *next;
|
||||
// }
|
||||
|
||||
// // add mount instruction for the last items not covered by the lis
|
||||
// let first_lis = *lis_sequence.first().unwrap();
|
||||
// if first_lis > 0 {
|
||||
// for (idx, new_node) in new[..first_lis].iter().enumerate() {
|
||||
// let old_index = new_index_to_old_index[idx];
|
||||
// if old_index == u32::MAX as usize {
|
||||
// nodes_created += self.create_node(new_node);
|
||||
// } else {
|
||||
// self.diff_node(muts, &old[old_index], new_node);
|
||||
// nodes_created += self.push_all_real_nodes(new_node);
|
||||
// }
|
||||
// }
|
||||
|
||||
// self.mutations.insert_before(
|
||||
// self.find_first_element(&new[first_lis]).unwrap(),
|
||||
// nodes_created as u32,
|
||||
// );
|
||||
// }
|
||||
// }
|
||||
|
||||
/// Remove these nodes from the dom
|
||||
/// Wont generate mutations for the inner nodes
|
||||
fn remove_nodes(&mut self, muts: &mut Vec<Mutation<'b>>, nodes: &'b [VNode<'b>]) {
|
||||
//
|
||||
}
|
||||
}
|
||||
|
||||
// /// Lightly diff the two templates and apply their edits to the dom
|
||||
// fn light_diff_template_roots(
|
||||
// &'a mut self,
|
||||
// mutations: &mut Vec<Mutation<'a>>,
|
||||
// left: &VNode,
|
||||
// right: &VNode,
|
||||
// ) {
|
||||
// match right.template.roots.len().cmp(&left.template.roots.len()) {
|
||||
// std::cmp::Ordering::Less => {
|
||||
// // remove the old nodes at the end
|
||||
// }
|
||||
// std::cmp::Ordering::Greater => {
|
||||
// // add the extra nodes.
|
||||
// }
|
||||
// std::cmp::Ordering::Equal => {}
|
||||
// }
|
||||
|
||||
// for (left_node, right_node) in left.template.roots.iter().zip(right.template.roots.iter()) {
|
||||
// if let (TemplateNode::Dynamic(lidx), TemplateNode::Dynamic(ridx)) =
|
||||
// (left_node, right_node)
|
||||
// {
|
||||
// let left_node = &left.dynamic_nodes[*lidx];
|
||||
// let right_node = &right.dynamic_nodes[*ridx];
|
||||
|
||||
// // match (left_node, right_node) {
|
||||
// // (
|
||||
// // DynamicNode::Component {
|
||||
// // name,
|
||||
// // can_memoize,
|
||||
// // props,
|
||||
// // },
|
||||
// // DynamicNode::Component {
|
||||
// // name,
|
||||
// // can_memoize,
|
||||
// // props,
|
||||
// // },
|
||||
// // ) => todo!(),
|
||||
// // (
|
||||
// // DynamicNode::Component {
|
||||
// // name,
|
||||
// // can_memoize,
|
||||
// // props,
|
||||
// // },
|
||||
// // DynamicNode::Fragment { children },
|
||||
// // ) => todo!(),
|
||||
// // (
|
||||
// // DynamicNode::Fragment { children },
|
||||
// // DynamicNode::Component {
|
||||
// // name,
|
||||
// // can_memoize,
|
||||
// // props,
|
||||
// // },
|
||||
// // ) => todo!(),
|
||||
// // _ => {}
|
||||
// // }
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
|
|
|||
|
|
@ -6,7 +6,6 @@ use futures_util::Future;
|
|||
use crate::{
|
||||
any_props::{AnyProps, VComponentProps},
|
||||
arena::ElementId,
|
||||
component::IntoComponent,
|
||||
innerlude::DynamicNode,
|
||||
Attribute, AttributeValue, Element, LazyNodes, Properties, Scope, ScopeState, VNode,
|
||||
};
|
||||
|
|
@ -47,8 +46,9 @@ impl ScopeState {
|
|||
bump_vec.push(item.into_dynamic_node(self));
|
||||
}
|
||||
|
||||
DynamicNode::Fragment {
|
||||
children: bump_vec.into_bump_slice(),
|
||||
match bump_vec.len() {
|
||||
0 => DynamicNode::Placeholder(Cell::new(ElementId(0))),
|
||||
_ => DynamicNode::Fragment(bump_vec.into_bump_slice()),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -70,9 +70,9 @@ impl ScopeState {
|
|||
}
|
||||
|
||||
/// Create a new [`VNode::Component`]
|
||||
pub fn component<'a, P, F: Future<Output = Element<'a>>>(
|
||||
pub fn component<'a, P, A, F: ReturnType<'a, A>>(
|
||||
&'a self,
|
||||
component: impl IntoComponent<'a, P, F>,
|
||||
component: fn(Scope<'a, P>) -> F,
|
||||
props: P,
|
||||
fn_name: &'static str,
|
||||
) -> DynamicNode<'a>
|
||||
|
|
@ -80,7 +80,7 @@ impl ScopeState {
|
|||
P: Properties + 'a,
|
||||
{
|
||||
let props = self.bump().alloc(props);
|
||||
let as_component = component.into_component();
|
||||
let as_component = component;
|
||||
let vcomp = VComponentProps::new(as_component, P::memoize, props);
|
||||
let as_dyn = self.bump().alloc(vcomp) as &mut dyn AnyProps;
|
||||
let detached_dyn: *mut dyn AnyProps = unsafe { std::mem::transmute(as_dyn) };
|
||||
|
|
@ -94,12 +94,30 @@ impl ScopeState {
|
|||
|
||||
DynamicNode::Component {
|
||||
name: fn_name,
|
||||
can_memoize: P::IS_STATIC,
|
||||
props: detached_dyn,
|
||||
is_static: P::IS_STATIC,
|
||||
props: Cell::new(detached_dyn),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub trait ReturnType<'a, A = ()> {}
|
||||
impl<'a> ReturnType<'a> for Element<'a> {}
|
||||
|
||||
pub struct AsyncMarker;
|
||||
impl<'a, F> ReturnType<'a, AsyncMarker> for F where F: Future<Output = Element<'a>> + 'a {}
|
||||
|
||||
#[test]
|
||||
fn takes_it() {
|
||||
fn demo(cx: Scope) -> Element {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
|
||||
enum RenderReturn<'a> {
|
||||
Sync(Element<'a>),
|
||||
Async(*mut dyn Future<Output = Element<'a>>),
|
||||
}
|
||||
|
||||
pub trait IntoVnode<'a, A = ()> {
|
||||
fn into_dynamic_node(self, cx: &'a ScopeState) -> VNode<'a>;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,7 +19,8 @@ impl VirtualDom {
|
|||
todo!()
|
||||
}
|
||||
|
||||
DynamicNode::Fragment { children } => {}
|
||||
DynamicNode::Fragment(children) => {}
|
||||
DynamicNode::Placeholder(_) => todo!(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -46,6 +46,7 @@ pub enum Mutation<'a> {
|
|||
// Take the current element and replace it with the element with the given id.
|
||||
Replace {
|
||||
id: ElementId,
|
||||
m: usize,
|
||||
},
|
||||
|
||||
CreateElement {
|
||||
|
|
@ -58,7 +59,9 @@ pub enum Mutation<'a> {
|
|||
value: &'a str,
|
||||
},
|
||||
|
||||
CreatePlaceholder,
|
||||
CreatePlaceholder {
|
||||
id: ElementId,
|
||||
},
|
||||
|
||||
AppendChildren {
|
||||
m: usize,
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
use crate::{any_props::AnyProps, arena::ElementId};
|
||||
use std::{
|
||||
any::Any,
|
||||
any::{Any, TypeId},
|
||||
cell::{Cell, RefCell},
|
||||
hash::Hasher,
|
||||
};
|
||||
|
|
@ -77,8 +77,8 @@ pub enum DynamicNode<'a> {
|
|||
// IE in caps or with underscores
|
||||
Component {
|
||||
name: &'static str,
|
||||
can_memoize: bool,
|
||||
props: *mut dyn AnyProps<'a>,
|
||||
is_static: bool,
|
||||
props: Cell<*mut dyn AnyProps<'a>>,
|
||||
},
|
||||
|
||||
// Comes in with string interpolation or from format_args, include_str, etc
|
||||
|
|
@ -88,9 +88,9 @@ pub enum DynamicNode<'a> {
|
|||
},
|
||||
|
||||
// Anything that's coming in as an iterator
|
||||
Fragment {
|
||||
children: &'a [VNode<'a>],
|
||||
},
|
||||
Fragment(&'a [VNode<'a>]),
|
||||
|
||||
Placeholder(Cell<ElementId>),
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
|
|
@ -122,26 +122,71 @@ pub enum AttributeValue<'a> {
|
|||
None,
|
||||
}
|
||||
|
||||
impl<'a> std::fmt::Debug for AttributeValue<'a> {
|
||||
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
||||
match self {
|
||||
Self::Text(arg0) => f.debug_tuple("Text").field(arg0).finish(),
|
||||
Self::Float(arg0) => f.debug_tuple("Float").field(arg0).finish(),
|
||||
Self::Int(arg0) => f.debug_tuple("Int").field(arg0).finish(),
|
||||
Self::Bool(arg0) => f.debug_tuple("Bool").field(arg0).finish(),
|
||||
Self::Listener(arg0) => f.debug_tuple("Listener").finish(),
|
||||
Self::Any(arg0) => f.debug_tuple("Any").finish(),
|
||||
Self::None => write!(f, "None"),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> PartialEq for AttributeValue<'a> {
|
||||
fn eq(&self, other: &Self) -> bool {
|
||||
match (self, other) {
|
||||
(Self::Text(l0), Self::Text(r0)) => l0 == r0,
|
||||
(Self::Float(l0), Self::Float(r0)) => l0 == r0,
|
||||
(Self::Int(l0), Self::Int(r0)) => l0 == r0,
|
||||
(Self::Bool(l0), Self::Bool(r0)) => l0 == r0,
|
||||
(Self::Listener(l0), Self::Listener(r0)) => true,
|
||||
(Self::Any(l0), Self::Any(r0)) => l0.any_cmp(*r0),
|
||||
_ => core::mem::discriminant(self) == core::mem::discriminant(other),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> AttributeValue<'a> {
|
||||
pub fn matches_type(&self, other: &'a AttributeValue<'a>) -> bool {
|
||||
match (self, other) {
|
||||
(Self::Text(_), Self::Text(_)) => true,
|
||||
(Self::Float(_), Self::Float(_)) => true,
|
||||
(Self::Int(_), Self::Int(_)) => true,
|
||||
(Self::Bool(_), Self::Bool(_)) => true,
|
||||
(Self::Listener(_), Self::Listener(_)) => true,
|
||||
(Self::Any(_), Self::Any(_)) => true,
|
||||
_ => return false,
|
||||
}
|
||||
}
|
||||
|
||||
fn is_listener(&self) -> bool {
|
||||
matches!(self, AttributeValue::Listener(_))
|
||||
}
|
||||
}
|
||||
|
||||
pub trait AnyValue {
|
||||
fn any_cmp(&self, other: &dyn Any) -> bool;
|
||||
fn any_cmp(&self, other: &dyn AnyValue) -> bool;
|
||||
fn our_typeid(&self) -> TypeId;
|
||||
}
|
||||
impl<T> AnyValue for T
|
||||
where
|
||||
T: PartialEq + Any,
|
||||
{
|
||||
fn any_cmp(&self, other: &dyn Any) -> bool {
|
||||
if self.type_id() != other.type_id() {
|
||||
fn any_cmp(&self, other: &dyn AnyValue) -> bool {
|
||||
if self.type_id() != other.our_typeid() {
|
||||
return false;
|
||||
}
|
||||
|
||||
self == unsafe { &*(other as *const _ as *const T) }
|
||||
}
|
||||
|
||||
fn our_typeid(&self) -> TypeId {
|
||||
self.type_id()
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
|
|
|
|||
|
|
@ -165,6 +165,6 @@ impl EmptyBuilder {
|
|||
|
||||
/// This utility function launches the builder method so rsx! and html! macros can use the typed-builder pattern
|
||||
/// to initialize a component's props.
|
||||
pub fn fc_to_builder<'a, T: Properties + 'a>(_: fn(Scope<'a, T>) -> Element) -> T::Builder {
|
||||
pub fn fc_to_builder<'a, A, T: Properties + 'a>(_: fn(Scope<'a, T>) -> A) -> T::Builder {
|
||||
T::builder()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@ use crate::{
|
|||
arena::ElementId,
|
||||
scopes::{ScopeId, ScopeState},
|
||||
};
|
||||
use crate::{Element, Scope};
|
||||
use futures_channel::mpsc::{UnboundedReceiver, UnboundedSender};
|
||||
use slab::Slab;
|
||||
use std::collections::{BTreeSet, HashMap};
|
||||
|
|
@ -27,7 +28,7 @@ pub struct VirtualDom {
|
|||
}
|
||||
|
||||
impl VirtualDom {
|
||||
pub fn new<'a>(app: Component<'a, ()>) -> Self {
|
||||
pub fn new(app: fn(Scope) -> Element) -> Self {
|
||||
let (sender, receiver) = futures_channel::mpsc::unbounded();
|
||||
|
||||
let mut res = Self {
|
||||
|
|
@ -43,7 +44,7 @@ impl VirtualDom {
|
|||
};
|
||||
|
||||
let props = Box::into_raw(Box::new(VComponentProps::new_empty(app)));
|
||||
let props: *mut VComponentProps<()> = unsafe { std::mem::transmute(props) };
|
||||
let props: *mut VComponentProps<(), ()> = unsafe { std::mem::transmute(props) };
|
||||
|
||||
let root = res.new_scope(props);
|
||||
|
||||
|
|
|
|||
|
|
@ -24,28 +24,20 @@ fn basic_syntax_is_a_template(cx: Scope) -> Element {
|
|||
}
|
||||
|
||||
fn basic_template(cx: Scope) -> Element {
|
||||
let val = 123;
|
||||
|
||||
cx.component(basic_child, (), "fn_name");
|
||||
|
||||
todo!()
|
||||
// cx.render(rsx! {
|
||||
// div { class: "{val}", class: "{val}", class: "{val}", class: "{val}",
|
||||
// (0..2).map(|i| rsx! { div { "asd {i}" } })
|
||||
// basic_child { }
|
||||
// }
|
||||
// })
|
||||
cx.render(rsx! {
|
||||
div {
|
||||
basic_child { }
|
||||
async_child { }
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
/// A beautiful component
|
||||
fn basic_child(cx: Scope) -> Element {
|
||||
todo!()
|
||||
}
|
||||
|
||||
async fn async_component(cx: Scope<'_>) -> Element {
|
||||
cx.render(rsx! {
|
||||
div { class: "asd" }
|
||||
})
|
||||
async fn async_child(cx: Scope<'_>) -> Element {
|
||||
todo!()
|
||||
}
|
||||
|
||||
#[test]
|
||||
|
|
@ -63,4 +55,9 @@ fn basic_prints() {
|
|||
// let renderer = dioxus_edit_stream::Mutations::default();
|
||||
//
|
||||
// dbg!(renderer.edits);
|
||||
|
||||
// takes_it(basic_child);
|
||||
}
|
||||
|
||||
// fn takes_it(f: fn(Scope) -> Element) {}
|
||||
// fn takes_it(f: fn(Scope) -> Element) {}
|
||||
|
|
|
|||
|
|
@ -1,9 +0,0 @@
|
|||
[package]
|
||||
name = "dioxus-edit-stream"
|
||||
version = "0.0.0"
|
||||
edition = "2018"
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
dioxus-core = { path = "../core" }
|
||||
|
|
@ -1,358 +0,0 @@
|
|||
use dioxus_core::*;
|
||||
|
||||
/// ## Mutations
|
||||
///
|
||||
/// This method returns "mutations" - IE the necessary changes to get the RealDOM to match the VirtualDOM. It also
|
||||
/// includes a list of NodeRefs that need to be applied and effects that need to be triggered after the RealDOM has
|
||||
/// applied the edits.
|
||||
///
|
||||
/// Mutations are the only link between the RealDOM and the VirtualDOM.
|
||||
#[derive(Default)]
|
||||
pub struct Mutations<'a> {
|
||||
/// The list of edits that need to be applied for the RealDOM to match the VirtualDOM.
|
||||
pub edits: Vec<DomEdit<'a>>,
|
||||
|
||||
/// The list of Scopes that were diffed, created, and removed during the Diff process.
|
||||
pub dirty_scopes: Vec<ScopeId>,
|
||||
}
|
||||
|
||||
/// A `DomEdit` represents a serialized form of the VirtualDom's trait-based API. This allows streaming edits across the
|
||||
/// network or through FFI boundaries.
|
||||
#[derive(Debug, PartialEq)]
|
||||
#[cfg_attr(
|
||||
feature = "serialize",
|
||||
derive(serde::Serialize, serde::Deserialize),
|
||||
serde(tag = "type")
|
||||
)]
|
||||
pub enum DomEdit<'bump> {
|
||||
/// Push the given root node onto our stack.
|
||||
PushRoot {
|
||||
/// The ID of the root node to push.
|
||||
root: ElementId,
|
||||
},
|
||||
|
||||
/// Pop the topmost node from our stack and append them to the node
|
||||
/// at the top of the stack.
|
||||
AppendChildren {
|
||||
/// How many nodes should be popped from the stack.
|
||||
/// The node remaining on the stack will be the target for the append.
|
||||
many: u32,
|
||||
},
|
||||
|
||||
/// Replace a given (single) node with a handful of nodes currently on the stack.
|
||||
ReplaceWith {
|
||||
/// The ID of the node to be replaced.
|
||||
root: ElementId,
|
||||
|
||||
/// How many nodes should be popped from the stack to replace the target node.
|
||||
m: u32,
|
||||
},
|
||||
|
||||
/// Insert a number of nodes after a given node.
|
||||
InsertAfter {
|
||||
/// The ID of the node to insert after.
|
||||
root: ElementId,
|
||||
|
||||
/// How many nodes should be popped from the stack to insert after the target node.
|
||||
n: u32,
|
||||
},
|
||||
|
||||
/// Insert a number of nodes before a given node.
|
||||
InsertBefore {
|
||||
/// The ID of the node to insert before.
|
||||
root: ElementId,
|
||||
|
||||
/// How many nodes should be popped from the stack to insert before the target node.
|
||||
n: u32,
|
||||
},
|
||||
|
||||
/// Remove a particular node from the DOM
|
||||
Remove {
|
||||
/// The ID of the node to remove.
|
||||
root: ElementId,
|
||||
},
|
||||
|
||||
/// Create a new purely-text node
|
||||
CreateTextNode {
|
||||
/// The ID the new node should have.
|
||||
root: ElementId,
|
||||
|
||||
/// The textcontent of the node
|
||||
text: &'bump str,
|
||||
},
|
||||
|
||||
/// Create a new purely-element node
|
||||
CreateElement {
|
||||
/// The ID the new node should have.
|
||||
root: ElementId,
|
||||
|
||||
/// The tagname of the node
|
||||
tag: &'bump str,
|
||||
},
|
||||
|
||||
/// Create a new purely-comment node with a given namespace
|
||||
CreateElementNs {
|
||||
/// The ID the new node should have.
|
||||
root: ElementId,
|
||||
|
||||
/// The namespace of the node
|
||||
tag: &'bump str,
|
||||
|
||||
/// The namespace of the node (like `SVG`)
|
||||
ns: &'static str,
|
||||
},
|
||||
|
||||
/// Create a new placeholder node.
|
||||
/// In most implementations, this will either be a hidden div or a comment node.
|
||||
CreatePlaceholder {
|
||||
/// The ID the new node should have.
|
||||
root: ElementId,
|
||||
},
|
||||
|
||||
/// Create a new Event Listener.
|
||||
NewEventListener {
|
||||
/// The name of the event to listen for.
|
||||
event_name: &'static str,
|
||||
|
||||
/// The ID of the node to attach the listener to.
|
||||
scope: ScopeId,
|
||||
|
||||
/// The ID of the node to attach the listener to.
|
||||
root: ElementId,
|
||||
},
|
||||
|
||||
/// Remove an existing Event Listener.
|
||||
RemoveEventListener {
|
||||
/// The ID of the node to remove.
|
||||
root: ElementId,
|
||||
|
||||
/// The name of the event to remove.
|
||||
event: &'static str,
|
||||
},
|
||||
|
||||
/// Set the textcontent of a node.
|
||||
SetText {
|
||||
/// The ID of the node to set the textcontent of.
|
||||
root: ElementId,
|
||||
|
||||
/// The textcontent of the node
|
||||
text: &'bump str,
|
||||
},
|
||||
|
||||
/// Set the value of a node's attribute.
|
||||
SetAttribute {
|
||||
/// The ID of the node to set the attribute of.
|
||||
root: ElementId,
|
||||
|
||||
/// The name of the attribute to set.
|
||||
field: &'static str,
|
||||
|
||||
/// The value of the attribute.
|
||||
value: AttributeValue<'bump>,
|
||||
|
||||
// value: &'bump str,
|
||||
/// The (optional) namespace of the attribute.
|
||||
/// For instance, "style" is in the "style" namespace.
|
||||
ns: Option<&'bump str>,
|
||||
},
|
||||
|
||||
/// Remove an attribute from a node.
|
||||
RemoveAttribute {
|
||||
/// The ID of the node to remove.
|
||||
root: ElementId,
|
||||
|
||||
/// The name of the attribute to remove.
|
||||
name: &'static str,
|
||||
|
||||
/// The namespace of the attribute.
|
||||
ns: Option<&'bump str>,
|
||||
},
|
||||
|
||||
/// Manually pop a root node from the stack.
|
||||
PopRoot {
|
||||
/// The amount of nodes to pop
|
||||
count: u32,
|
||||
},
|
||||
|
||||
/// Remove all the children of an element
|
||||
RemoveChildren {
|
||||
/// The root
|
||||
root: ElementId,
|
||||
},
|
||||
|
||||
/*
|
||||
|
||||
Template stuff
|
||||
|
||||
- load into scratch space
|
||||
- dump nodes into stack
|
||||
- assign ids of nodes in template
|
||||
|
||||
*/
|
||||
/// Create a template using the nodes on the stack
|
||||
Save {
|
||||
/// The ID of the template
|
||||
name: &'static str,
|
||||
|
||||
/// The amount of nodes to pop from the stack into the template
|
||||
num_children: u32,
|
||||
},
|
||||
|
||||
/// Load the template into a scratch space on the stack
|
||||
///
|
||||
/// The template body now lives on the stack, but needs to be finished before its nodes can be appended to the DOM.
|
||||
Load {
|
||||
/// The ID of the template
|
||||
name: &'static str,
|
||||
|
||||
id: u32,
|
||||
},
|
||||
|
||||
AssignId {
|
||||
index: &'static str,
|
||||
id: ElementId,
|
||||
},
|
||||
|
||||
ReplaceDescendant {
|
||||
index: &'static str,
|
||||
m: u32,
|
||||
},
|
||||
}
|
||||
|
||||
use DomEdit::*;
|
||||
|
||||
impl<'a> dioxus_core::Renderer<'a> for Mutations<'a> {
|
||||
// Navigation
|
||||
fn push_root(&mut self, root: ElementId) {
|
||||
self.edits.push(PushRoot { root });
|
||||
}
|
||||
|
||||
// Navigation
|
||||
fn pop_root(&mut self) {
|
||||
self.edits.push(PopRoot { count: 1 });
|
||||
}
|
||||
|
||||
fn replace_with(&mut self, root: ElementId, m: u32) {
|
||||
self.edits.push(ReplaceWith { m, root });
|
||||
}
|
||||
|
||||
fn replace_descendant(&mut self, descendent: &'static [u8], m: u32) {
|
||||
self.edits.push(ReplaceDescendant {
|
||||
// serializing is just hijacking ascii
|
||||
index: unsafe { std::str::from_utf8_unchecked(descendent) },
|
||||
m,
|
||||
});
|
||||
}
|
||||
|
||||
fn insert_after(&mut self, root: ElementId, n: u32) {
|
||||
self.edits.push(InsertAfter { n, root });
|
||||
}
|
||||
|
||||
fn insert_before(&mut self, root: ElementId, n: u32) {
|
||||
self.edits.push(InsertBefore { n, root });
|
||||
}
|
||||
|
||||
fn append_children(&mut self, n: u32) {
|
||||
self.edits.push(AppendChildren { many: n });
|
||||
}
|
||||
|
||||
// Create
|
||||
fn create_text_node(&mut self, text: &'a str, root: ElementId) {
|
||||
self.edits.push(CreateTextNode { text, root });
|
||||
}
|
||||
|
||||
fn create_element(&mut self, tag: &'static str, ns: Option<&'static str>, id: ElementId) {
|
||||
match ns {
|
||||
Some(ns) => self.edits.push(CreateElementNs { root: id, ns, tag }),
|
||||
None => self.edits.push(CreateElement { root: id, tag }),
|
||||
}
|
||||
}
|
||||
|
||||
// placeholders are nodes that don't get rendered but still exist as an "anchor" in the real dom
|
||||
fn create_placeholder(&mut self, id: ElementId) {
|
||||
self.edits.push(CreatePlaceholder { root: id });
|
||||
}
|
||||
|
||||
fn assign_id(&mut self, descendent: &'static [u8], id: ElementId) {
|
||||
self.edits.push(AssignId {
|
||||
index: unsafe { std::str::from_utf8_unchecked(descendent) },
|
||||
id,
|
||||
});
|
||||
}
|
||||
|
||||
// Remove Nodes from the dom
|
||||
fn remove(&mut self, root: ElementId) {
|
||||
self.edits.push(Remove { root });
|
||||
}
|
||||
|
||||
fn remove_attribute(&mut self, attribute: &Attribute, root: ElementId) {
|
||||
self.edits.push(RemoveAttribute {
|
||||
name: attribute.name,
|
||||
ns: attribute.namespace,
|
||||
root,
|
||||
});
|
||||
}
|
||||
|
||||
// events
|
||||
fn new_event_listener(&mut self, listener: &Listener, scope: ScopeId) {
|
||||
let Listener {
|
||||
event,
|
||||
mounted_node,
|
||||
..
|
||||
} = listener;
|
||||
|
||||
let element_id = mounted_node.get();
|
||||
|
||||
self.edits.push(NewEventListener {
|
||||
scope,
|
||||
event_name: event,
|
||||
root: element_id,
|
||||
});
|
||||
}
|
||||
|
||||
fn remove_event_listener(&mut self, event: &'static str, root: ElementId) {
|
||||
self.edits.push(RemoveEventListener { event, root });
|
||||
}
|
||||
|
||||
// modify
|
||||
fn set_text(&mut self, text: &'a str, root: ElementId) {
|
||||
self.edits.push(SetText { text, root });
|
||||
}
|
||||
|
||||
fn save(&mut self, id: &'static str, num: u32) {
|
||||
self.edits.push(Save {
|
||||
name: id,
|
||||
num_children: num,
|
||||
});
|
||||
}
|
||||
|
||||
fn load(&mut self, id: &'static str, index: u32) {
|
||||
self.edits.push(Load {
|
||||
name: id,
|
||||
id: index,
|
||||
});
|
||||
}
|
||||
|
||||
fn mark_dirty_scope(&mut self, scope: ScopeId) {
|
||||
self.dirty_scopes.push(scope);
|
||||
}
|
||||
|
||||
fn set_attribute(
|
||||
&mut self,
|
||||
name: &'static str,
|
||||
value: AttributeValue<'a>,
|
||||
namespace: Option<&'a str>,
|
||||
root: ElementId,
|
||||
) {
|
||||
self.edits.push(SetAttribute {
|
||||
field: name,
|
||||
value: value.clone(),
|
||||
ns: namespace,
|
||||
root,
|
||||
});
|
||||
}
|
||||
|
||||
fn remove_children(&mut self, element: ElementId) {
|
||||
todo!()
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue