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Merge branch 'upstream' into return-from-js

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Evan Almloff committed 2022-12-08 11:25:15 -06:00
2 parents 35bebbf0cb cdb1e76f6f
commit bf47f64852
281 files changed
+16169 -19328
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packages/web/src/dom.rs
+162 -332
View File
@@ -7,89 +7,25 @@
//! - tests to ensure dyn_into works for various event types.
//! - Partial delegation?>
use dioxus_core::{DomEdit, ElementId, SchedulerMsg, UserEvent};
use dioxus_html::event_bubbles;
use dioxus_core::{Mutation, Template};
use dioxus_html::{event_bubbles, CompositionData, FormData};
use dioxus_interpreter_js::Interpreter;
use js_sys::Function;
use std::{any::Any, rc::Rc, sync::Arc};
use wasm_bindgen::{closure::Closure, JsCast, JsValue};
use web_sys::{Document, Element, Event, HtmlElement};
use futures_channel::mpsc;
use std::{any::Any, rc::Rc};
use wasm_bindgen::{closure::Closure, JsCast};
use web_sys::{Document, Element, Event};
use crate::Config;
pub struct WebsysDom {
pub interpreter: Interpreter,
pub(crate) root: Element,
pub handler: Closure<dyn FnMut(&Event)>,
interpreter: Interpreter,
handler: Closure<dyn FnMut(&Event)>,
_root: Element,
}
impl WebsysDom {
pub fn new(cfg: Config, sender_callback: Rc<dyn Fn(SchedulerMsg)>) -> Self {
pub fn new(cfg: Config, event_channel: mpsc::UnboundedSender<Event>) -> Self {
// eventually, we just want to let the interpreter do all the work of decoding events into our event type
let callback: Box<dyn FnMut(&Event)> = Box::new(move |event: &web_sys::Event| {
let mut target = event
.target()
.expect("missing target")
.dyn_into::<Element>()
.expect("not a valid element");
let typ = event.type_();
let decoded: anyhow::Result<UserEvent> = loop {
match target.get_attribute("data-dioxus-id").map(|f| f.parse()) {
Some(Ok(id)) => {
break Ok(UserEvent {
name: event_name_from_typ(&typ),
data: virtual_event_from_websys_event(event.clone(), target.clone()),
element: Some(ElementId(id)),
scope_id: None,
priority: dioxus_core::EventPriority::Medium,
bubbles: event.bubbles(),
});
}
Some(Err(e)) => {
break Err(e.into());
}
None => {
// walk the tree upwards until we actually find an event target
if let Some(parent) = target.parent_element() {
target = parent;
} else {
break Ok(UserEvent {
name: event_name_from_typ(&typ),
data: virtual_event_from_websys_event(
event.clone(),
target.clone(),
),
element: None,
scope_id: None,
priority: dioxus_core::EventPriority::Low,
bubbles: event.bubbles(),
});
}
}
}
};
if let Ok(synthetic_event) = decoded {
// Try to prevent default if the attribute is set
if let Some(node) = target.dyn_ref::<HtmlElement>() {
if let Some(name) = node.get_attribute("dioxus-prevent-default") {
if name == synthetic_event.name
|| name.trim_start_matches("on") == synthetic_event.name
{
log::trace!("Preventing default");
event.prevent_default();
}
}
}
sender_callback.as_ref()(SchedulerMsg::Event(synthetic_event))
}
});
// a match here in order to avoid some error during runtime browser test
let document = load_document();
let root = match document.get_element_by_id(&cfg.rootname) {
@@ -99,217 +35,117 @@ impl WebsysDom {
Self {
interpreter: Interpreter::new(root.clone()),
handler: Closure::wrap(callback),
root,
_root: root,
handler: Closure::wrap(Box::new(move |event: &web_sys::Event| {
let _ = event_channel.unbounded_send(event.clone());
})),
}
}
pub fn apply_edits(&mut self, mut edits: Vec<DomEdit>) {
pub fn mount(&mut self) {
self.interpreter.MountToRoot();
}
pub fn load_templates(&mut self, templates: &[Template]) {
log::debug!("Loading templates {:?}", templates);
for template in templates {
self.interpreter
.SaveTemplate(serde_wasm_bindgen::to_value(&template).unwrap());
}
}
pub fn apply_edits(&mut self, mut edits: Vec<Mutation>) {
use Mutation::*;
let i = &self.interpreter;
for edit in edits.drain(..) {
match edit {
DomEdit::AppendChildren { root, children } => {
self.interpreter.AppendChildren(root, children);
}
DomEdit::ReplaceWith { root, nodes } => self.interpreter.ReplaceWith(root, nodes),
DomEdit::InsertAfter { root, nodes } => self.interpreter.InsertAfter(root, nodes),
DomEdit::InsertBefore { root, nodes } => self.interpreter.InsertBefore(root, nodes),
DomEdit::Remove { root } => self.interpreter.Remove(root),
DomEdit::CreateElement {
root,
tag,
children,
} => self.interpreter.CreateElement(tag, root, children),
DomEdit::CreateElementNs {
root,
tag,
AppendChildren { id, m } => i.AppendChildren(m as u32, id.0 as u32),
AssignId { path, id } => i.AssignId(path, id.0 as u32),
CreatePlaceholder { id } => i.CreatePlaceholder(id.0 as u32),
CreateTextNode { value, id } => i.CreateTextNode(value.into(), id.0 as u32),
HydrateText { path, value, id } => i.HydrateText(path, value, id.0 as u32),
LoadTemplate { name, index, id } => i.LoadTemplate(name, index as u32, id.0 as u32),
ReplaceWith { id, m } => i.ReplaceWith(id.0 as u32, m as u32),
ReplacePlaceholder { path, m } => i.ReplacePlaceholder(path, m as u32),
InsertAfter { id, m } => i.InsertAfter(id.0 as u32, m as u32),
InsertBefore { id, m } => i.InsertBefore(id.0 as u32, m as u32),
SetAttribute {
name,
value,
id,
ns,
children,
} => self.interpreter.CreateElementNs(tag, root, ns, children),
DomEdit::CreatePlaceholder { root } => self.interpreter.CreatePlaceholder(root),
DomEdit::NewEventListener {
event_name, root, ..
} => {
let handler: &Function = self.handler.as_ref().unchecked_ref();
} => i.SetAttribute(id.0 as u32, name, value.into(), ns),
SetBoolAttribute { name, value, id } => {
i.SetBoolAttribute(id.0 as u32, name, value)
}
SetText { value, id } => i.SetText(id.0 as u32, value.into()),
NewEventListener { name, id, .. } => {
self.interpreter.NewEventListener(
event_name,
root,
handler,
event_bubbles(event_name),
name,
id.0 as u32,
event_bubbles(&name[2..]),
self.handler.as_ref().unchecked_ref(),
);
}
DomEdit::RemoveEventListener { root, event } => self
.interpreter
.RemoveEventListener(root, event, event_bubbles(event)),
DomEdit::RemoveAttribute { root, name, ns } => {
self.interpreter.RemoveAttribute(root, name, ns)
}
DomEdit::CreateTextNode { text, root } => {
let text = JsValue::from_str(text);
self.interpreter.CreateTextNode(text, root)
}
DomEdit::SetText { root, text } => {
let text = JsValue::from_str(text);
self.interpreter.SetText(root, text)
}
DomEdit::SetAttribute {
root,
field,
value,
ns,
} => {
let value = JsValue::from_str(&value.to_string());
self.interpreter.SetAttribute(root, field, value, ns)
}
DomEdit::CloneNode { id, new_id } => self.interpreter.CloneNode(id, new_id),
DomEdit::CloneNodeChildren { id, new_ids } => {
self.interpreter.CloneNodeChildren(id, new_ids)
}
DomEdit::FirstChild {} => self.interpreter.FirstChild(),
DomEdit::NextSibling {} => self.interpreter.NextSibling(),
DomEdit::ParentNode {} => self.interpreter.ParentNode(),
DomEdit::StoreWithId { id } => self.interpreter.StoreWithId(id),
DomEdit::SetLastNode { id } => self.interpreter.SetLastNode(id),
RemoveEventListener { name, id } => i.RemoveEventListener(name, id.0 as u32),
Remove { id } => i.Remove(id.0 as u32),
PushRoot { id } => i.PushRoot(id.0 as u32),
}
}
}
}
pub struct DioxusWebsysEvent(web_sys::Event);
// safety: currently the web is not multithreaded and our VirtualDom exists on the same thread
#[allow(clippy::non_send_fields_in_send_ty)]
unsafe impl Send for DioxusWebsysEvent {}
unsafe impl Sync for DioxusWebsysEvent {}
// todo: some of these events are being casted to the wrong event type.
// We need tests that simulate clicks/etc and make sure every event type works.
fn virtual_event_from_websys_event(
event: web_sys::Event,
target: Element,
) -> Arc<dyn Any + Send + Sync> {
use dioxus_html::on::*;
pub fn virtual_event_from_websys_event(event: web_sys::Event, target: Element) -> Rc<dyn Any> {
use dioxus_html::events::*;
match event.type_().as_str() {
"copy" | "cut" | "paste" => Arc::new(ClipboardData {}),
"copy" | "cut" | "paste" => Rc::new(ClipboardData {}),
"compositionend" | "compositionstart" | "compositionupdate" => {
let evt: &web_sys::CompositionEvent = event.dyn_ref().unwrap();
Arc::new(CompositionData {
data: evt.data().unwrap_or_default(),
})
make_composition_event(&event)
}
"keydown" | "keypress" | "keyup" => Arc::new(KeyboardData::from(event)),
"focus" | "blur" | "focusout" | "focusin" => Arc::new(FocusData {}),
"keydown" | "keypress" | "keyup" => Rc::new(KeyboardData::from(event)),
"focus" | "blur" | "focusout" | "focusin" => Rc::new(FocusData {}),
// todo: these handlers might get really slow if the input box gets large and allocation pressure is heavy
// don't have a good solution with the serialized event problem
"change" | "input" | "invalid" | "reset" | "submit" => {
let value: String = target
.dyn_ref()
.map(|input: &web_sys::HtmlInputElement| {
// todo: special case more input types
match input.type_().as_str() {
"checkbox" => {
match input.checked() {
true => "true".to_string(),
false => "false".to_string(),
}
},
_ => {
input.value()
}
}
})
.or_else(|| {
target
.dyn_ref()
.map(|input: &web_sys::HtmlTextAreaElement| input.value())
})
// select elements are NOT input events - because - why woudn't they be??
.or_else(|| {
target
.dyn_ref()
.map(|input: &web_sys::HtmlSelectElement| input.value())
})
.or_else(|| {
target
.dyn_ref::<web_sys::HtmlElement>()
.unwrap()
.text_content()
})
.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
"change" | "input" | "invalid" | "reset" | "submit" => read_input_to_data(target),
let mut values = std::collections::HashMap::new();
// try to fill in form values
if let Some(form) = target.dyn_ref::<web_sys::HtmlFormElement>() {
let elements = form.elements();
for x in 0..elements.length() {
let element = elements.item(x).unwrap();
if let Some(name) = element.get_attribute("name") {
let value: Option<String> = element
.dyn_ref()
.map(|input: &web_sys::HtmlInputElement| {
match input.type_().as_str() {
"checkbox" => {
match input.checked() {
true => Some("true".to_string()),
false => Some("false".to_string()),
}
},
"radio" => {
match input.checked() {
true => Some(input.value()),
false => None,
}
}
_ => Some(input.value())
}
})
.or_else(|| element.dyn_ref().map(|input: &web_sys::HtmlTextAreaElement| Some(input.value())))
.or_else(|| element.dyn_ref().map(|input: &web_sys::HtmlSelectElement| Some(input.value())))
.or_else(|| Some(element.dyn_ref::<web_sys::HtmlElement>().unwrap().text_content()))
.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
if let Some(value) = value {
values.insert(name, value);
}
}
}
}
Arc::new(FormData { value, values })
}
"click" | "contextmenu" | "dblclick" | "doubleclick" | "drag" | "dragend" | "dragenter"
| "dragexit" | "dragleave" | "dragover" | "dragstart" | "drop" | "mousedown"
| "mouseenter" | "mouseleave" | "mousemove" | "mouseout" | "mouseover" | "mouseup" => {
Arc::new(MouseData::from(event))
Rc::new(MouseData::from(event))
}
"pointerdown" | "pointermove" | "pointerup" | "pointercancel" | "gotpointercapture"
| "lostpointercapture" | "pointerenter" | "pointerleave" | "pointerover" | "pointerout" => {
Arc::new(PointerData::from(event))
Rc::new(PointerData::from(event))
}
"select" => Arc::new(SelectionData {}),
"touchcancel" | "touchend" | "touchmove" | "touchstart" => Arc::new(TouchData::from(event)),
"select" => Rc::new(SelectionData {}),
"touchcancel" | "touchend" | "touchmove" | "touchstart" => Rc::new(TouchData::from(event)),
"scroll" => Arc::new(()),
"wheel" => Arc::new(WheelData::from(event)),
"scroll" => Rc::new(()),
"wheel" => Rc::new(WheelData::from(event)),
"animationstart" | "animationend" | "animationiteration" => {
Arc::new(AnimationData::from(event))
Rc::new(AnimationData::from(event))
}
"transitionend" => Arc::new(TransitionData::from(event)),
"transitionend" => Rc::new(TransitionData::from(event)),
"abort" | "canplay" | "canplaythrough" | "durationchange" | "emptied" | "encrypted"
| "ended" | "error" | "loadeddata" | "loadedmetadata" | "loadstart" | "pause" | "play"
| "playing" | "progress" | "ratechange" | "seeked" | "seeking" | "stalled" | "suspend"
| "timeupdate" | "volumechange" | "waiting" => Arc::new(MediaData {}),
"toggle" => Arc::new(ToggleData {}),
| "timeupdate" | "volumechange" | "waiting" => Rc::new(MediaData {}),
"toggle" => Rc::new(ToggleData {}),
_ => Arc::new(()),
_ => Rc::new(()),
}
}
fn make_composition_event(event: &Event) -> Rc<CompositionData> {
let evt: &web_sys::CompositionEvent = event.dyn_ref().unwrap();
Rc::new(CompositionData {
data: evt.data().unwrap_or_default(),
})
}
pub(crate) fn load_document() -> Document {
web_sys::window()
.expect("should have access to the Window")
@@ -317,92 +153,86 @@ pub(crate) fn load_document() -> Document {
.expect("should have access to the Document")
}
fn event_name_from_typ(typ: &str) -> &'static str {
match typ {
"copy" => "copy",
"cut" => "cut",
"paste" => "paste",
"compositionend" => "compositionend",
"compositionstart" => "compositionstart",
"compositionupdate" => "compositionupdate",
"keydown" => "keydown",
"keypress" => "keypress",
"keyup" => "keyup",
"focus" => "focus",
"focusout" => "focusout",
"focusin" => "focusin",
"blur" => "blur",
"change" => "change",
"input" => "input",
"invalid" => "invalid",
"reset" => "reset",
"submit" => "submit",
"click" => "click",
"contextmenu" => "contextmenu",
"doubleclick" => "doubleclick",
"dblclick" => "dblclick",
"drag" => "drag",
"dragend" => "dragend",
"dragenter" => "dragenter",
"dragexit" => "dragexit",
"dragleave" => "dragleave",
"dragover" => "dragover",
"dragstart" => "dragstart",
"drop" => "drop",
"mousedown" => "mousedown",
"mouseenter" => "mouseenter",
"mouseleave" => "mouseleave",
"mousemove" => "mousemove",
"mouseout" => "mouseout",
"mouseover" => "mouseover",
"mouseup" => "mouseup",
"pointerdown" => "pointerdown",
"pointermove" => "pointermove",
"pointerup" => "pointerup",
"pointercancel" => "pointercancel",
"gotpointercapture" => "gotpointercapture",
"lostpointercapture" => "lostpointercapture",
"pointerenter" => "pointerenter",
"pointerleave" => "pointerleave",
"pointerover" => "pointerover",
"pointerout" => "pointerout",
"select" => "select",
"touchcancel" => "touchcancel",
"touchend" => "touchend",
"touchmove" => "touchmove",
"touchstart" => "touchstart",
"scroll" => "scroll",
"wheel" => "wheel",
"animationstart" => "animationstart",
"animationend" => "animationend",
"animationiteration" => "animationiteration",
"transitionend" => "transitionend",
"abort" => "abort",
"canplay" => "canplay",
"canplaythrough" => "canplaythrough",
"durationchange" => "durationchange",
"emptied" => "emptied",
"encrypted" => "encrypted",
"ended" => "ended",
"error" => "error",
"loadeddata" => "loadeddata",
"loadedmetadata" => "loadedmetadata",
"loadstart" => "loadstart",
"pause" => "pause",
"play" => "play",
"playing" => "playing",
"progress" => "progress",
"ratechange" => "ratechange",
"seeked" => "seeked",
"seeking" => "seeking",
"stalled" => "stalled",
"suspend" => "suspend",
"timeupdate" => "timeupdate",
"volumechange" => "volumechange",
"waiting" => "waiting",
"toggle" => "toggle",
a => {
panic!("unsupported event type {:?}", a);
fn read_input_to_data(target: Element) -> Rc<FormData> {
// todo: these handlers might get really slow if the input box gets large and allocation pressure is heavy
// don't have a good solution with the serialized event problem
let value: String = target
.dyn_ref()
.map(|input: &web_sys::HtmlInputElement| {
// todo: special case more input types
match input.type_().as_str() {
"checkbox" => {
match input.checked() {
true => "true".to_string(),
false => "false".to_string(),
}
},
_ => {
input.value()
}
}
})
.or_else(|| {
target
.dyn_ref()
.map(|input: &web_sys::HtmlTextAreaElement| input.value())
})
// select elements are NOT input events - because - why woudn't they be??
.or_else(|| {
target
.dyn_ref()
.map(|input: &web_sys::HtmlSelectElement| input.value())
})
.or_else(|| {
target
.dyn_ref::<web_sys::HtmlElement>()
.unwrap()
.text_content()
})
.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
let mut values = std::collections::HashMap::new();
// try to fill in form values
if let Some(form) = target.dyn_ref::<web_sys::HtmlFormElement>() {
let elements = form.elements();
for x in 0..elements.length() {
let element = elements.item(x).unwrap();
if let Some(name) = element.get_attribute("name") {
let value: Option<String> = element
.dyn_ref()
.map(|input: &web_sys::HtmlInputElement| {
match input.type_().as_str() {
"checkbox" => {
match input.checked() {
true => Some("true".to_string()),
false => Some("false".to_string()),
}
},
"radio" => {
match input.checked() {
true => Some(input.value()),
false => None,
}
}
_ => Some(input.value())
}
})
.or_else(|| element.dyn_ref().map(|input: &web_sys::HtmlTextAreaElement| Some(input.value())))
.or_else(|| element.dyn_ref().map(|input: &web_sys::HtmlSelectElement| Some(input.value())))
.or_else(|| Some(element.dyn_ref::<web_sys::HtmlElement>().unwrap().text_content()))
.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
if let Some(value) = value {
values.insert(name, value);
}
}
}
}
Rc::new(FormData {
value,
values,
files: None,
})
}
packages/web/src/hot_reload.rs
+24 -9
View File
@@ -1,11 +1,24 @@
use dioxus_core::SchedulerMsg;
use dioxus_core::SetTemplateMsg;
use dioxus_core::VirtualDom;
#![allow(dead_code)]
use futures_channel::mpsc::UnboundedReceiver;
use wasm_bindgen::closure::Closure;
use wasm_bindgen::JsCast;
use web_sys::{MessageEvent, WebSocket};
pub(crate) fn init(dom: &VirtualDom) {
#[cfg(not(debug_assertions))]
pub(crate) fn init() -> UnboundedReceiver<String> {
let (tx, rx) = futures_channel::mpsc::unbounded();
std::mem::forget(tx);
rx
}
#[cfg(debug_assertions)]
pub(crate) fn init() -> UnboundedReceiver<String> {
use std::convert::TryInto;
let window = web_sys::window().unwrap();
let protocol = if window.location().protocol().unwrap() == "https:" {
@@ -20,18 +33,20 @@ pub(crate) fn init(dom: &VirtualDom) {
);
let ws = WebSocket::new(&url).unwrap();
let mut channel = dom.get_scheduler_channel();
let (tx, rx) = futures_channel::mpsc::unbounded();
// change the rsx when new data is received
let cl = Closure::wrap(Box::new(move |e: MessageEvent| {
if let Ok(text) = e.data().dyn_into::<js_sys::JsString>() {
let msg: SetTemplateMsg = serde_json::from_str(&format!("{text}")).unwrap();
channel
.start_send(SchedulerMsg::SetTemplate(Box::new(msg)))
.unwrap();
if let Ok(val) = text.try_into() {
_ = tx.unbounded_send(val);
}
}
}) as Box<dyn FnMut(MessageEvent)>);
ws.set_onmessage(Some(cl.as_ref().unchecked_ref()));
cl.forget();
rx
}
packages/web/src/lib.rs
+116 -60
View File
@@ -9,9 +9,8 @@
//! - idle work
//! - animations
//! - jank-free rendering
//! - noderefs
//! - controlled components
//! - re-hydration
//! - hydration
//! - and more.
//!
//! The actual implementation is farily thin, with the heavy lifting happening inside the Dioxus Core crate.
@@ -54,22 +53,19 @@
// - Do the VDOM work during the idlecallback
// - Do DOM work in the next requestAnimationFrame callback
use std::rc::Rc;
pub use crate::cfg::Config;
use crate::dom::virtual_event_from_websys_event;
pub use crate::util::{use_eval, EvalResult};
use dioxus_core::prelude::Component;
use dioxus_core::SchedulerMsg;
use dioxus_core::VirtualDom;
use dioxus_core::{Element, ElementId, Scope};
use futures_util::{pin_mut, FutureExt, StreamExt};
mod cache;
mod cfg;
mod dom;
#[cfg(any(feature = "hot-reload", debug_assertions))]
mod hot_reload;
#[cfg(feature = "hydrate")]
mod rehydrate;
// mod ric_raf;
// mod rehydrate;
mod ric_raf;
mod util;
/// Launch the VirtualDOM given a root component and a configuration.
@@ -92,7 +88,7 @@ mod util;
/// render!(div {"hello world"})
/// }
/// ```
pub fn launch(root_component: Component) {
pub fn launch(root_component: fn(Scope) -> Element) {
launch_with_props(root_component, (), Config::default());
}
@@ -115,7 +111,7 @@ pub fn launch(root_component: Component) {
/// })
/// }
/// ```
pub fn launch_cfg(root: Component, config: Config) {
pub fn launch_cfg(root: fn(Scope) -> Element, config: Config) {
launch_with_props(root, (), config)
}
@@ -143,10 +139,11 @@ pub fn launch_cfg(root: Component, config: Config) {
/// render!(div {"hello {cx.props.name}"})
/// }
/// ```
pub fn launch_with_props<T>(root_component: Component<T>, root_properties: T, config: Config)
where
T: Send + 'static,
{
pub fn launch_with_props<T: 'static>(
root_component: fn(Scope<T>) -> Element,
root_properties: T,
config: Config,
) {
wasm_bindgen_futures::spawn_local(run_with_props(root_component, root_properties, config));
}
@@ -162,7 +159,9 @@ where
/// wasm_bindgen_futures::spawn_local(app_fut);
/// }
/// ```
pub async fn run_with_props<T: 'static + Send>(root: Component<T>, root_props: T, cfg: Config) {
pub async fn run_with_props<T: 'static>(root: fn(Scope<T>) -> Element, root_props: T, cfg: Config) {
log::info!("Starting up");
let mut dom = VirtualDom::new_with_props(root, root_props);
#[cfg(feature = "panic_hook")]
@@ -170,8 +169,7 @@ pub async fn run_with_props<T: 'static + Send>(root: Component<T>, root_props: T
console_error_panic_hook::set_once();
}
#[cfg(any(feature = "hot-reload", debug_assertions))]
hot_reload::init(&dom);
let mut hotreload_rx = hot_reload::init();
for s in crate::cache::BUILTIN_INTERNED_STRINGS {
wasm_bindgen::intern(s);
@@ -180,66 +178,124 @@ pub async fn run_with_props<T: 'static + Send>(root: Component<T>, root_props: T
wasm_bindgen::intern(s);
}
let tasks = dom.get_scheduler_channel();
let _should_hydrate = cfg.hydrate;
let sender_callback: Rc<dyn Fn(SchedulerMsg)> =
Rc::new(move |event| tasks.unbounded_send(event).unwrap());
let (tx, mut rx) = futures_channel::mpsc::unbounded();
let should_hydrate = cfg.hydrate;
let mut websys_dom = dom::WebsysDom::new(cfg, tx);
let mut websys_dom = dom::WebsysDom::new(cfg, sender_callback);
log::info!("rebuilding app");
log::trace!("rebuilding app");
// if should_hydrate {
// } else {
let edits = dom.rebuild();
if should_hydrate {
// todo: we need to split rebuild and initialize into two phases
// it's a waste to produce edits just to get the vdom loaded
let _ = dom.rebuild();
websys_dom.load_templates(&edits.templates);
websys_dom.apply_edits(edits.edits);
#[cfg(feature = "hydrate")]
#[allow(unused_variables)]
if let Err(err) = websys_dom.rehydrate(&dom) {
log::error!(
"Rehydration failed {:?}. Rebuild DOM into element from scratch",
&err
);
// the mutations come back with nothing - we need to actually mount them
websys_dom.mount();
websys_dom.root.set_text_content(None);
// errrrr we should split rebuild into two phases
// one that initializes things and one that produces edits
let edits = dom.rebuild();
websys_dom.apply_edits(edits.edits);
}
} else {
let edits = dom.rebuild();
websys_dom.apply_edits(edits.edits);
}
// let mut work_loop = ric_raf::RafLoop::new();
let mut work_loop = ric_raf::RafLoop::new();
loop {
log::trace!("waiting for work");
log::debug!("waiting for work");
// if virtualdom has nothing, wait for it to have something before requesting idle time
// if there is work then this future resolves immediately.
dom.wait_for_work().await;
let mut res = {
let work = dom.wait_for_work().fuse();
pin_mut!(work);
log::trace!("working..");
futures_util::select! {
_ = work => None,
_new_template = hotreload_rx.next() => {
todo!("Implement hot reload");
}
evt = rx.next() => evt
}
};
// Dequeue all of the events from the channel in send order
// todo: we should re-order these if possible
while let Some(evt) = res {
let name = evt.type_();
let element = walk_event_for_id(&evt);
let bubbles = dioxus_html::event_bubbles(name.as_str());
if let Some((element, target)) = element {
let data = virtual_event_from_websys_event(evt, target);
dom.handle_event(name.as_str(), data, element, bubbles);
}
res = rx.try_next().transpose().unwrap().ok();
}
// Jank free rendering
//
// 1. wait for the browser to give us "idle" time
// 2. During idle time, diff the dom
// 3. Stop diffing if the deadline is exceded
// 4. Wait for the animation frame to patch the dom
// wait for the mainthread to schedule us in
// let mut deadline = work_loop.wait_for_idle_time().await;
let deadline = work_loop.wait_for_idle_time().await;
// run the virtualdom work phase until the frame deadline is reached
// let mutations = dom.work_with_deadline(|| (&mut deadline).now_or_never().is_some());
let mutations = dom.work_with_deadline(|| false);
let edits = dom.render_with_deadline(deadline).await;
// wait for the animation frame to fire so we can apply our changes
// work_loop.wait_for_raf().await;
work_loop.wait_for_raf().await;
for edit in mutations {
// actually apply our changes during the animation frame
websys_dom.apply_edits(edit.edits);
websys_dom.load_templates(&edits.templates);
websys_dom.apply_edits(edits.edits);
}
}
fn walk_event_for_id(event: &web_sys::Event) -> Option<(ElementId, web_sys::Element)> {
use wasm_bindgen::JsCast;
let mut target = event
.target()
.expect("missing target")
.dyn_into::<web_sys::Element>()
.expect("not a valid element");
loop {
match target.get_attribute("data-dioxus-id").map(|f| f.parse()) {
Some(Ok(id)) => return Some((ElementId(id), target)),
Some(Err(_)) => return None,
// walk the tree upwards until we actually find an event target
None => match target.parent_element() {
Some(parent) => target = parent,
None => return None,
},
}
}
}
// if should_hydrate {
// // todo: we need to split rebuild and initialize into two phases
// // it's a waste to produce edits just to get the vdom loaded
// let _ = dom.rebuild();
// #[cfg(feature = "hydrate")]
// #[allow(unused_variables)]
// if let Err(err) = websys_dom.rehydrate(&dom) {
// log::error!(
// "Rehydration failed {:?}. Rebuild DOM into element from scratch",
// &err
// );
// websys_dom.root.set_text_content(None);
// // errrrr we should split rebuild into two phases
// // one that initializes things and one that produces edits
// let edits = dom.rebuild();
// websys_dom.apply_edits(edits.edits);
// }
// } else {
// let edits = dom.rebuild();
// websys_dom.apply_edits(edits.template_mutations);
// websys_dom.apply_edits(edits.edits);
// }
packages/web/src/olddom.rs
-856
View File
@@ -1,856 +0,0 @@
//! Implementation of a renderer for Dioxus on the web.
//!
//! Oustanding todos:
//! - Removing event listeners (delegation)
//! - Passive event listeners
//! - no-op event listener patch for safari
//! - tests to ensure dyn_into works for various event types.
//! - Partial delegation?>
use dioxus_core::{DomEdit, ElementId, SchedulerMsg, ScopeId, UserEvent};
use rustc_hash::FxHashMap;
use std::{any::Any, fmt::Debug, rc::Rc, sync::Arc};
use wasm_bindgen::{closure::Closure, JsCast};
use web_sys::{
CssStyleDeclaration, Document, Element, Event, HtmlElement, HtmlInputElement,
HtmlOptionElement, HtmlTextAreaElement, Node,
};
use crate::{nodeslab::NodeSlab, Config};
pub struct WebsysDom {
stack: Stack,
/// A map from ElementID (index) to Node
pub(crate) nodes: NodeSlab,
document: Document,
pub(crate) root: Element,
sender_callback: Rc<dyn Fn(SchedulerMsg)>,
// map of listener types to number of those listeners
// This is roughly a delegater
// TODO: check how infero delegates its events - some are more performant
listeners: FxHashMap<&'static str, ListenerEntry>,
}
type ListenerEntry = (usize, Closure<dyn FnMut(&Event)>);
impl WebsysDom {
pub fn new(cfg: Config, sender_callback: Rc<dyn Fn(SchedulerMsg)>) -> Self {
let document = load_document();
let nodes = NodeSlab::new(2000);
let listeners = FxHashMap::default();
let mut stack = Stack::with_capacity(10);
let root = load_document().get_element_by_id(&cfg.rootname).unwrap();
let root_node = root.clone().dyn_into::<Node>().unwrap();
stack.push(root_node);
Self {
stack,
nodes,
listeners,
document,
sender_callback,
root,
}
}
pub fn apply_edits(&mut self, mut edits: Vec<DomEdit>) {
for edit in edits.drain(..) {
match edit {
DomEdit::PushRoot { root } => self.push(root),
DomEdit::AppendChildren { many } => self.append_children(many),
DomEdit::ReplaceWith { m, root } => self.replace_with(m, root),
DomEdit::Remove { root } => self.remove(root),
DomEdit::CreateTextNode { text, root: id } => self.create_text_node(text, id),
DomEdit::CreateElement { tag, root: id } => self.create_element(tag, None, id),
DomEdit::CreateElementNs { tag, root: id, ns } => {
self.create_element(tag, Some(ns), id)
}
DomEdit::CreatePlaceholder { root: id } => self.create_placeholder(id),
DomEdit::NewEventListener {
event_name,
scope,
root: mounted_node_id,
} => self.new_event_listener(event_name, scope, mounted_node_id),
DomEdit::RemoveEventListener { event, root } => {
self.remove_event_listener(event, root)
}
DomEdit::SetText { text, root } => self.set_text(text, root),
DomEdit::SetAttribute {
field,
value,
ns,
root,
} => self.set_attribute(field, value, ns, root),
DomEdit::RemoveAttribute { name, root } => self.remove_attribute(name, root),
DomEdit::InsertAfter { n, root } => self.insert_after(n, root),
DomEdit::InsertBefore { n, root } => self.insert_before(n, root),
}
}
}
fn push(&mut self, root: u64) {
let key = root as usize;
let domnode = &self.nodes[key];
let real_node: Node = match domnode {
Some(n) => n.clone(),
None => todo!(),
};
self.stack.push(real_node);
}
fn append_children(&mut self, many: u32) {
let root: Node = self
.stack
.list
.get(self.stack.list.len() - (1 + many as usize))
.unwrap()
.clone();
// We need to make sure to add comments between text nodes
// We ensure that the text siblings are patched by preventing the browser from merging
// neighboring text nodes. Originally inspired by some of React's work from 2016.
// -> https://reactjs.org/blog/2016/04/07/react-v15.html#major-changes
// -> https://github.com/facebook/react/pull/5753
/*
todo: we need to track this for replacing/insert after/etc
*/
let mut last_node_was_text = false;
for child in self
.stack
.list
.drain((self.stack.list.len() - many as usize)..)
{
if child.dyn_ref::<web_sys::Text>().is_some() {
if last_node_was_text {
let comment_node = self
.document
.create_comment("dioxus")
.dyn_into::<Node>()
.unwrap();
root.append_child(&comment_node).unwrap();
}
last_node_was_text = true;
} else {
last_node_was_text = false;
}
root.append_child(&child).unwrap();
}
}
fn replace_with(&mut self, m: u32, root: u64) {
let old = self.nodes[root as usize].as_ref().unwrap();
let arr: js_sys::Array = self
.stack
.list
.drain((self.stack.list.len() - m as usize)..)
.collect();
if let Some(el) = old.dyn_ref::<Element>() {
el.replace_with_with_node(&arr).unwrap();
} else if let Some(el) = old.dyn_ref::<web_sys::CharacterData>() {
el.replace_with_with_node(&arr).unwrap();
} else if let Some(el) = old.dyn_ref::<web_sys::DocumentType>() {
el.replace_with_with_node(&arr).unwrap();
}
}
fn remove(&mut self, root: u64) {
let node = self.nodes[root as usize].as_ref().unwrap();
if let Some(element) = node.dyn_ref::<Element>() {
element.remove();
} else {
if let Some(parent) = node.parent_node() {
parent.remove_child(&node).unwrap();
}
}
}
fn create_placeholder(&mut self, id: u64) {
self.create_element("pre", None, id);
self.set_attribute("hidden", "", None, id);
}
fn create_text_node(&mut self, text: &str, id: u64) {
let textnode = self
.document
.create_text_node(text)
.dyn_into::<Node>()
.unwrap();
self.stack.push(textnode.clone());
self.nodes[(id as usize)] = Some(textnode);
}
fn create_element(&mut self, tag: &str, ns: Option<&'static str>, id: u64) {
let tag = wasm_bindgen::intern(tag);
let el = match ns {
Some(ns) => self
.document
.create_element_ns(Some(ns), tag)
.unwrap()
.dyn_into::<Node>()
.unwrap(),
None => self
.document
.create_element(tag)
.unwrap()
.dyn_into::<Node>()
.unwrap(),
};
use smallstr::SmallString;
use std::fmt::Write;
let mut s: SmallString<[u8; 8]> = smallstr::SmallString::new();
write!(s, "{}", id).unwrap();
let el2 = el.dyn_ref::<Element>().unwrap();
el2.set_attribute("dioxus-id", s.as_str()).unwrap();
self.stack.push(el.clone());
self.nodes[(id as usize)] = Some(el);
}
fn new_event_listener(&mut self, event: &'static str, _scope: ScopeId, _real_id: u64) {
let event = wasm_bindgen::intern(event);
// attach the correct attributes to the element
// these will be used by accessing the event's target
// This ensures we only ever have one handler attached to the root, but decide
// dynamically when we want to call a listener.
let el = self.stack.top();
let el = el.dyn_ref::<Element>().unwrap();
el.set_attribute("dioxus-event", event).unwrap();
// Register the callback to decode
if let Some(entry) = self.listeners.get_mut(event) {
entry.0 += 1;
} else {
let trigger = self.sender_callback.clone();
let c: Box<dyn FnMut(&Event)> = Box::new(move |event: &web_sys::Event| {
// "Result" cannot be received from JS
// Instead, we just build and immediately execute a closure that returns result
match decode_trigger(event) {
Ok(synthetic_event) => {
let target = event.target().unwrap();
if let Some(node) = target.dyn_ref::<HtmlElement>() {
if let Some(name) = node.get_attribute("dioxus-prevent-default") {
if name == synthetic_event.name
|| name.trim_start_matches("on") == synthetic_event.name
{
log::trace!("Preventing default");
event.prevent_default();
}
}
}
trigger.as_ref()(SchedulerMsg::Event(synthetic_event))
}
Err(e) => log::error!("Error decoding Dioxus event attribute. {:#?}", e),
};
});
let handler = Closure::wrap(c);
self.root
.add_event_listener_with_callback(event, (&handler).as_ref().unchecked_ref())
.unwrap();
// Increment the listeners
self.listeners.insert(event.into(), (1, handler));
}
}
fn remove_event_listener(&mut self, _event: &str, _root: u64) {
todo!()
}
fn set_text(&mut self, text: &str, root: u64) {
let el = self.nodes[root as usize].as_ref().unwrap();
el.set_text_content(Some(text))
}
fn set_attribute(&mut self, name: &str, value: &str, ns: Option<&str>, root: u64) {
let node = self.nodes[root as usize].as_ref().unwrap();
if ns == Some("style") {
if let Some(el) = node.dyn_ref::<Element>() {
let el = el.dyn_ref::<HtmlElement>().unwrap();
let style_dc: CssStyleDeclaration = el.style();
style_dc.set_property(name, value).unwrap();
}
} else {
let fallback = || {
let el = node.dyn_ref::<Element>().unwrap();
el.set_attribute(name, value).unwrap()
};
match name {
"dangerous_inner_html" => {
if let Some(el) = node.dyn_ref::<Element>() {
el.set_inner_html(value);
}
}
"value" => {
if let Some(input) = node.dyn_ref::<HtmlInputElement>() {
/*
if the attribute being set is the same as the value of the input, then don't bother setting it.
This is used in controlled components to keep the cursor in the right spot.
this logic should be moved into the virtualdom since we have the notion of "volatile"
*/
if input.value() != value {
input.set_value(value);
}
} else if let Some(node) = node.dyn_ref::<HtmlTextAreaElement>() {
if name == "value" {
node.set_value(value);
}
} else {
fallback();
}
}
"checked" => {
if let Some(input) = node.dyn_ref::<HtmlInputElement>() {
match value {
"true" => input.set_checked(true),
"false" => input.set_checked(false),
_ => fallback(),
}
} else {
fallback();
}
}
"selected" => {
if let Some(node) = node.dyn_ref::<HtmlOptionElement>() {
node.set_selected(true);
} else {
fallback();
}
}
_ => {
// https://github.com/facebook/react/blob/8b88ac2592c5f555f315f9440cbb665dd1e7457a/packages/react-dom/src/shared/DOMProperty.js#L352-L364
if value == "false" {
if let Some(el) = node.dyn_ref::<Element>() {
match name {
"allowfullscreen"
| "allowpaymentrequest"
| "async"
| "autofocus"
| "autoplay"
| "checked"
| "controls"
| "default"
| "defer"
| "disabled"
| "formnovalidate"
| "hidden"
| "ismap"
| "itemscope"
| "loop"
| "multiple"
| "muted"
| "nomodule"
| "novalidate"
| "open"
| "playsinline"
| "readonly"
| "required"
| "reversed"
| "selected"
| "truespeed" => {
let _ = el.remove_attribute(name);
}
_ => {
let _ = el.set_attribute(name, value);
}
};
}
} else {
fallback();
}
}
}
}
}
fn remove_attribute(&mut self, name: &str, root: u64) {
let node = self.nodes[root as usize].as_ref().unwrap();
if let Some(node) = node.dyn_ref::<web_sys::Element>() {
node.remove_attribute(name).unwrap();
}
if let Some(node) = node.dyn_ref::<HtmlInputElement>() {
// Some attributes are "volatile" and don't work through `removeAttribute`.
if name == "value" {
node.set_value("");
}
if name == "checked" {
node.set_checked(false);
}
}
if let Some(node) = node.dyn_ref::<HtmlOptionElement>() {
if name == "selected" {
node.set_selected(true);
}
}
}
fn insert_after(&mut self, n: u32, root: u64) {
let old = self.nodes[root as usize].as_ref().unwrap();
let arr: js_sys::Array = self
.stack
.list
.drain((self.stack.list.len() - n as usize)..)
.collect();
if let Some(el) = old.dyn_ref::<Element>() {
el.after_with_node(&arr).unwrap();
} else if let Some(el) = old.dyn_ref::<web_sys::CharacterData>() {
el.after_with_node(&arr).unwrap();
} else if let Some(el) = old.dyn_ref::<web_sys::DocumentType>() {
el.after_with_node(&arr).unwrap();
}
}
fn insert_before(&mut self, n: u32, root: u64) {
let anchor = self.nodes[root as usize].as_ref().unwrap();
if n == 1 {
let before = self.stack.pop();
anchor
.parent_node()
.unwrap()
.insert_before(&before, Some(&anchor))
.unwrap();
} else {
let arr: js_sys::Array = self
.stack
.list
.drain((self.stack.list.len() - n as usize)..)
.collect();
if let Some(el) = anchor.dyn_ref::<Element>() {
el.before_with_node(&arr).unwrap();
} else if let Some(el) = anchor.dyn_ref::<web_sys::CharacterData>() {
el.before_with_node(&arr).unwrap();
} else if let Some(el) = anchor.dyn_ref::<web_sys::DocumentType>() {
el.before_with_node(&arr).unwrap();
}
}
}
}
#[derive(Debug, Default)]
struct Stack {
list: Vec<Node>,
}
impl Stack {
#[inline]
fn with_capacity(cap: usize) -> Self {
Stack {
list: Vec::with_capacity(cap),
}
}
#[inline]
fn push(&mut self, node: Node) {
self.list.push(node);
}
#[inline]
fn pop(&mut self) -> Node {
self.list.pop().unwrap()
}
fn top(&self) -> &Node {
match self.list.last() {
Some(a) => a,
None => panic!("Called 'top' of an empty stack, make sure to push the root first"),
}
}
}
pub struct DioxusWebsysEvent(web_sys::Event);
// safety: currently the web is not multithreaded and our VirtualDom exists on the same thread
unsafe impl Send for DioxusWebsysEvent {}
unsafe impl Sync for DioxusWebsysEvent {}
// todo: some of these events are being casted to the wrong event type.
// We need tests that simulate clicks/etc and make sure every event type works.
fn virtual_event_from_websys_event(event: web_sys::Event) -> Arc<dyn Any + Send + Sync> {
use dioxus_html::on::*;
use dioxus_html::KeyCode;
match event.type_().as_str() {
"copy" | "cut" | "paste" => Arc::new(ClipboardData {}),
"compositionend" | "compositionstart" | "compositionupdate" => {
let evt: &web_sys::CompositionEvent = event.dyn_ref().unwrap();
Arc::new(CompositionData {
data: evt.data().unwrap_or_default(),
})
}
"keydown" | "keypress" | "keyup" => {
let evt: &web_sys::KeyboardEvent = event.dyn_ref().unwrap();
Arc::new(KeyboardData {
alt_key: evt.alt_key(),
char_code: evt.char_code(),
key: evt.key(),
key_code: KeyCode::from_raw_code(evt.key_code() as u8),
ctrl_key: evt.ctrl_key(),
location: evt.location() as usize,
meta_key: evt.meta_key(),
repeat: evt.repeat(),
shift_key: evt.shift_key(),
which: evt.which() as usize,
})
}
"focus" | "blur" => Arc::new(FocusData {}),
// todo: these handlers might get really slow if the input box gets large and allocation pressure is heavy
// don't have a good solution with the serialized event problem
"change" | "input" | "invalid" | "reset" | "submit" => {
let evt: &web_sys::Event = event.dyn_ref().unwrap();
let target: web_sys::EventTarget = evt.target().unwrap();
let value: String = (&target)
.dyn_ref()
.map(|input: &web_sys::HtmlInputElement| {
// todo: special case more input types
match input.type_().as_str() {
"checkbox" => {
match input.checked() {
true => "true".to_string(),
false => "false".to_string(),
}
},
_ => {
input.value()
}
}
})
.or_else(|| {
target
.dyn_ref()
.map(|input: &web_sys::HtmlTextAreaElement| input.value())
})
// select elements are NOT input events - because - why woudn't they be??
.or_else(|| {
target
.dyn_ref()
.map(|input: &web_sys::HtmlSelectElement| input.value())
})
.or_else(|| {
target
.dyn_ref::<web_sys::HtmlElement>()
.unwrap()
.text_content()
})
.expect("only an InputElement or TextAreaElement or an element with contenteditable=true can have an oninput event listener");
Arc::new(FormData { value })
}
"click" | "contextmenu" | "doubleclick" | "drag" | "dragend" | "dragenter" | "dragexit"
| "dragleave" | "dragover" | "dragstart" | "drop" | "mousedown" | "mouseenter"
| "mouseleave" | "mousemove" | "mouseout" | "mouseover" | "mouseup" => {
let evt: &web_sys::MouseEvent = event.dyn_ref().unwrap();
Arc::new(MouseData {
alt_key: evt.alt_key(),
button: evt.button(),
buttons: evt.buttons(),
client_x: evt.client_x(),
client_y: evt.client_y(),
ctrl_key: evt.ctrl_key(),
meta_key: evt.meta_key(),
screen_x: evt.screen_x(),
screen_y: evt.screen_y(),
shift_key: evt.shift_key(),
page_x: evt.page_x(),
page_y: evt.page_y(),
})
}
"pointerdown" | "pointermove" | "pointerup" | "pointercancel" | "gotpointercapture"
| "lostpointercapture" | "pointerenter" | "pointerleave" | "pointerover" | "pointerout" => {
let evt: &web_sys::PointerEvent = event.dyn_ref().unwrap();
Arc::new(PointerData {
alt_key: evt.alt_key(),
button: evt.button(),
buttons: evt.buttons(),
client_x: evt.client_x(),
client_y: evt.client_y(),
ctrl_key: evt.ctrl_key(),
meta_key: evt.meta_key(),
page_x: evt.page_x(),
page_y: evt.page_y(),
screen_x: evt.screen_x(),
screen_y: evt.screen_y(),
shift_key: evt.shift_key(),
pointer_id: evt.pointer_id(),
width: evt.width(),
height: evt.height(),
pressure: evt.pressure(),
tangential_pressure: evt.tangential_pressure(),
tilt_x: evt.tilt_x(),
tilt_y: evt.tilt_y(),
twist: evt.twist(),
pointer_type: evt.pointer_type(),
is_primary: evt.is_primary(),
// get_modifier_state: evt.get_modifier_state(),
})
}
"select" => Arc::new(SelectionData {}),
"touchcancel" | "touchend" | "touchmove" | "touchstart" => {
let evt: &web_sys::TouchEvent = event.dyn_ref().unwrap();
Arc::new(TouchData {
alt_key: evt.alt_key(),
ctrl_key: evt.ctrl_key(),
meta_key: evt.meta_key(),
shift_key: evt.shift_key(),
})
}
"scroll" => Arc::new(()),
"wheel" => {
let evt: &web_sys::WheelEvent = event.dyn_ref().unwrap();
Arc::new(WheelData {
delta_x: evt.delta_x(),
delta_y: evt.delta_y(),
delta_z: evt.delta_z(),
delta_mode: evt.delta_mode(),
})
}
"animationstart" | "animationend" | "animationiteration" => {
let evt: &web_sys::AnimationEvent = event.dyn_ref().unwrap();
Arc::new(AnimationData {
elapsed_time: evt.elapsed_time(),
animation_name: evt.animation_name(),
pseudo_element: evt.pseudo_element(),
})
}
"transitionend" => {
let evt: &web_sys::TransitionEvent = event.dyn_ref().unwrap();
Arc::new(TransitionData {
elapsed_time: evt.elapsed_time(),
property_name: evt.property_name(),
pseudo_element: evt.pseudo_element(),
})
}
"abort" | "canplay" | "canplaythrough" | "durationchange" | "emptied" | "encrypted"
| "ended" | "error" | "loadeddata" | "loadedmetadata" | "loadstart" | "pause" | "play"
| "playing" | "progress" | "ratechange" | "seeked" | "seeking" | "stalled" | "suspend"
| "timeupdate" | "volumechange" | "waiting" => Arc::new(MediaData {}),
"toggle" => Arc::new(ToggleData {}),
_ => Arc::new(()),
}
}
/// This function decodes a websys event and produces an EventTrigger
/// With the websys implementation, we attach a unique key to the nodes
fn decode_trigger(event: &web_sys::Event) -> anyhow::Result<UserEvent> {
use anyhow::Context;
let target = event
.target()
.expect("missing target")
.dyn_into::<Element>()
.expect("not a valid element");
let typ = event.type_();
let element_id = target
.get_attribute("dioxus-id")
.context("Could not find element id on event target")?
.parse()?;
Ok(UserEvent {
name: event_name_from_typ(&typ),
data: virtual_event_from_websys_event(event.clone()),
element: Some(ElementId(element_id)),
scope_id: None,
priority: dioxus_core::EventPriority::Medium,
})
}
pub(crate) fn load_document() -> Document {
web_sys::window()
.expect("should have access to the Window")
.document()
.expect("should have access to the Document")
}
fn event_name_from_typ(typ: &str) -> &'static str {
match typ {
"copy" => "copy",
"cut" => "cut",
"paste" => "paste",
"compositionend" => "compositionend",
"compositionstart" => "compositionstart",
"compositionupdate" => "compositionupdate",
"keydown" => "keydown",
"keypress" => "keypress",
"keyup" => "keyup",
"focus" => "focus",
"blur" => "blur",
"change" => "change",
"input" => "input",
"invalid" => "invalid",
"reset" => "reset",
"submit" => "submit",
"click" => "click",
"contextmenu" => "contextmenu",
"doubleclick" => "doubleclick",
"drag" => "drag",
"dragend" => "dragend",
"dragenter" => "dragenter",
"dragexit" => "dragexit",
"dragleave" => "dragleave",
"dragover" => "dragover",
"dragstart" => "dragstart",
"drop" => "drop",
"mousedown" => "mousedown",
"mouseenter" => "mouseenter",
"mouseleave" => "mouseleave",
"mousemove" => "mousemove",
"mouseout" => "mouseout",
"mouseover" => "mouseover",
"mouseup" => "mouseup",
"pointerdown" => "pointerdown",
"pointermove" => "pointermove",
"pointerup" => "pointerup",
"pointercancel" => "pointercancel",
"gotpointercapture" => "gotpointercapture",
"lostpointercapture" => "lostpointercapture",
"pointerenter" => "pointerenter",
"pointerleave" => "pointerleave",
"pointerover" => "pointerover",
"pointerout" => "pointerout",
"select" => "select",
"touchcancel" => "touchcancel",
"touchend" => "touchend",
"touchmove" => "touchmove",
"touchstart" => "touchstart",
"scroll" => "scroll",
"wheel" => "wheel",
"animationstart" => "animationstart",
"animationend" => "animationend",
"animationiteration" => "animationiteration",
"transitionend" => "transitionend",
"abort" => "abort",
"canplay" => "canplay",
"canplaythrough" => "canplaythrough",
"durationchange" => "durationchange",
"emptied" => "emptied",
"encrypted" => "encrypted",
"ended" => "ended",
"error" => "error",
"loadeddata" => "loadeddata",
"loadedmetadata" => "loadedmetadata",
"loadstart" => "loadstart",
"pause" => "pause",
"play" => "play",
"playing" => "playing",
"progress" => "progress",
"ratechange" => "ratechange",
"seeked" => "seeked",
"seeking" => "seeking",
"stalled" => "stalled",
"suspend" => "suspend",
"timeupdate" => "timeupdate",
"volumechange" => "volumechange",
"waiting" => "waiting",
"toggle" => "toggle",
_ => {
panic!("unsupported event type")
}
}
}
//! This module provides a mirror of the VirtualDOM Element Slab using a Vector.
use std::ops::{Index, IndexMut};
use web_sys::Node;
pub(crate) struct NodeSlab {
nodes: Vec<Option<Node>>,
}
impl NodeSlab {
pub fn new(capacity: usize) -> NodeSlab {
let nodes = Vec::with_capacity(capacity);
NodeSlab { nodes }
}
}
impl Index<usize> for NodeSlab {
type Output = Option<Node>;
fn index(&self, index: usize) -> &Self::Output {
&self.nodes[index]
}
}
impl IndexMut<usize> for NodeSlab {
fn index_mut(&mut self, index: usize) -> &mut Self::Output {
if index >= self.nodes.capacity() * 3 {
panic!("Trying to mutate an element way too far out of bounds");
}
if index + 1 > self.nodes.len() {
self.nodes.resize_with(index + 1, || None);
}
&mut self.nodes[index]
}
}
#[derive(Debug, Default)]
struct Stack {
list: Vec<Node>,
}
impl Stack {
#[inline]
fn with_capacity(cap: usize) -> Self {
Stack {
list: Vec::with_capacity(cap),
}
}
#[inline]
fn push(&mut self, node: Node) {
self.list.push(node);
}
#[inline]
fn pop(&mut self) -> Node {
self.list.pop().unwrap()
}
fn top(&self) -> &Node {
match self.list.last() {
Some(a) => a,
None => panic!("Called 'top' of an empty stack, make sure to push the root first"),
}
}
}
packages/web/src/rehydrate.rs
+11 -10
View File
@@ -1,6 +1,5 @@
use crate::dom::WebsysDom;
use dioxus_core::{VNode, VirtualDom};
use dioxus_html::event_bubbles;
use wasm_bindgen::JsCast;
use web_sys::{Comment, Element, Node, Text};
@@ -30,14 +29,15 @@ impl WebsysDom {
let mut last_node_was_text = false;
// Recursively rehydrate the dom from the VirtualDom
self.rehydrate_single(
&mut nodes,
&mut counter,
dom,
root_node,
&mut last_node_was_text,
)
todo!()
// // Recursively rehydrate the dom from the VirtualDom
// self.rehydrate_single(
// &mut nodes,
// &mut counter,
// dom,
// root_node,
// &mut last_node_was_text,
// )
}
fn rehydrate_single(
@@ -164,7 +164,8 @@ impl WebsysDom {
VNode::Component(el) => {
let scope = dom.get_scope(el.scope.get().unwrap()).unwrap();
let node = scope.root_node();
self.rehydrate_single(nodes, place, dom, node, last_node_was_text)?;
todo!()
// self.rehydrate_single(nodes, place, dom, node, last_node_was_text)?;
}
VNode::TemplateRef(_) => todo!(),
}