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@@ -0,0 +1,789 @@
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+//! Implementation of a renderer for Dioxus on the web.
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+//!
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+//! Oustanding todos:
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+//! - Removing event listeners (delegation)
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+//! - Passive event listeners
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+//! - no-op event listener patch for safari
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+//! - tests to ensure dyn_into works for various event types.
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+//! - Partial delegation?>
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+
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+use dioxus_core::{DomEdit, ElementId, SchedulerMsg, ScopeId, UserEvent};
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+use fxhash::FxHashMap;
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+use std::{any::Any, fmt::Debug, rc::Rc, sync::Arc};
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+use wasm_bindgen::{closure::Closure, JsCast};
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+use web_sys::{
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+ CssStyleDeclaration, Document, Element, Event, HtmlElement, HtmlInputElement,
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+ HtmlOptionElement, HtmlTextAreaElement, Node,
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+};
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+
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+use crate::{nodeslab::NodeSlab, WebConfig};
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+
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+pub struct WebsysDom {
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+ stack: Stack,
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+
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+ /// A map from ElementID (index) to Node
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+ pub(crate) nodes: NodeSlab,
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+
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+ document: Document,
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+
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+ pub(crate) root: Element,
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+
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+ sender_callback: Rc<dyn Fn(SchedulerMsg)>,
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+
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+ // map of listener types to number of those listeners
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+ // This is roughly a delegater
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+ // TODO: check how infero delegates its events - some are more performant
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+ listeners: FxHashMap<&'static str, ListenerEntry>,
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+}
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+
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+type ListenerEntry = (usize, Closure<dyn FnMut(&Event)>);
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+
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+impl WebsysDom {
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+ pub fn new(cfg: WebConfig, sender_callback: Rc<dyn Fn(SchedulerMsg)>) -> Self {
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+ let document = load_document();
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+
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+ let nodes = NodeSlab::new(2000);
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+ let listeners = FxHashMap::default();
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+
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+ let mut stack = Stack::with_capacity(10);
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+
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+ let root = load_document().get_element_by_id(&cfg.rootname).unwrap();
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+ let root_node = root.clone().dyn_into::<Node>().unwrap();
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+ stack.push(root_node);
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+
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+ Self {
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+ stack,
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+ nodes,
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+ listeners,
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+ document,
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+ sender_callback,
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+ root,
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+ }
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+ }
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+
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+ pub fn apply_edits(&mut self, mut edits: Vec<DomEdit>) {
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+ for edit in edits.drain(..) {
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+ match edit {
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+ DomEdit::PushRoot { root } => self.push(root),
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+ DomEdit::AppendChildren { many } => self.append_children(many),
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+ DomEdit::ReplaceWith { m, root } => self.replace_with(m, root),
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+ DomEdit::Remove { root } => self.remove(root),
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+ DomEdit::CreateTextNode { text, root: id } => self.create_text_node(text, id),
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+ DomEdit::CreateElement { tag, root: id } => self.create_element(tag, None, id),
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+ DomEdit::CreateElementNs { tag, root: id, ns } => {
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+ self.create_element(tag, Some(ns), id)
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+ }
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+ DomEdit::CreatePlaceholder { root: id } => self.create_placeholder(id),
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+ DomEdit::NewEventListener {
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+ event_name,
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+ scope,
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+ root: mounted_node_id,
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+ } => self.new_event_listener(event_name, scope, mounted_node_id),
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+
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+ DomEdit::RemoveEventListener { event, root } => {
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+ self.remove_event_listener(event, root)
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+ }
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+
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+ DomEdit::SetText { text, root } => self.set_text(text, root),
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+ DomEdit::SetAttribute {
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+ field,
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+ value,
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+ ns,
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+ root,
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+ } => self.set_attribute(field, value, ns, root),
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+ DomEdit::RemoveAttribute { name, root } => self.remove_attribute(name, root),
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+
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+ DomEdit::InsertAfter { n, root } => self.insert_after(n, root),
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+ DomEdit::InsertBefore { n, root } => self.insert_before(n, root),
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+ }
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+ }
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+ }
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+ fn push(&mut self, root: u64) {
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+ let key = root as usize;
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+ let domnode = &self.nodes[key];
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+
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+ let real_node: Node = match domnode {
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+ Some(n) => n.clone(),
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+ None => todo!(),
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+ };
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+
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+ self.stack.push(real_node);
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+ }
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+
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+ fn append_children(&mut self, many: u32) {
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+ let root: Node = self
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+ .stack
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+ .list
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+ .get(self.stack.list.len() - (1 + many as usize))
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+ .unwrap()
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+ .clone();
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+
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+ // We need to make sure to add comments between text nodes
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+ // We ensure that the text siblings are patched by preventing the browser from merging
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+ // neighboring text nodes. Originally inspired by some of React's work from 2016.
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+ // -> https://reactjs.org/blog/2016/04/07/react-v15.html#major-changes
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+ // -> https://github.com/facebook/react/pull/5753
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+ /*
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+ todo: we need to track this for replacing/insert after/etc
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+ */
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+ let mut last_node_was_text = false;
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+
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+ for child in self
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+ .stack
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+ .list
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+ .drain((self.stack.list.len() - many as usize)..)
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+ {
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+ if child.dyn_ref::<web_sys::Text>().is_some() {
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+ if last_node_was_text {
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+ let comment_node = self
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+ .document
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+ .create_comment("dioxus")
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+ .dyn_into::<Node>()
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+ .unwrap();
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+ root.append_child(&comment_node).unwrap();
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+ }
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+ last_node_was_text = true;
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+ } else {
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+ last_node_was_text = false;
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+ }
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+ root.append_child(&child).unwrap();
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+ }
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+ }
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+
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+ fn replace_with(&mut self, m: u32, root: u64) {
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+ let old = self.nodes[root as usize].as_ref().unwrap();
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+
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+ let arr: js_sys::Array = self
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+ .stack
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+ .list
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+ .drain((self.stack.list.len() - m as usize)..)
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+ .collect();
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+
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+ if let Some(el) = old.dyn_ref::<Element>() {
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+ el.replace_with_with_node(&arr).unwrap();
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+ } else if let Some(el) = old.dyn_ref::<web_sys::CharacterData>() {
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+ el.replace_with_with_node(&arr).unwrap();
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+ } else if let Some(el) = old.dyn_ref::<web_sys::DocumentType>() {
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+ el.replace_with_with_node(&arr).unwrap();
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+ }
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+ }
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+
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+ fn remove(&mut self, root: u64) {
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+ let node = self.nodes[root as usize].as_ref().unwrap();
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+ if let Some(element) = node.dyn_ref::<Element>() {
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+ element.remove();
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+ } else {
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+ if let Some(parent) = node.parent_node() {
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+ parent.remove_child(&node).unwrap();
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+ }
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+ }
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+ }
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+
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+ fn create_placeholder(&mut self, id: u64) {
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+ self.create_element("pre", None, id);
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+ self.set_attribute("hidden", "", None, id);
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+ }
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+
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+ fn create_text_node(&mut self, text: &str, id: u64) {
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+ let textnode = self
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+ .document
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+ .create_text_node(text)
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+ .dyn_into::<Node>()
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+ .unwrap();
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+
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+ self.stack.push(textnode.clone());
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+
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+ self.nodes[(id as usize)] = Some(textnode);
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+ }
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+
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+ fn create_element(&mut self, tag: &str, ns: Option<&'static str>, id: u64) {
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+ let tag = wasm_bindgen::intern(tag);
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+
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+ let el = match ns {
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+ Some(ns) => self
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+ .document
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+ .create_element_ns(Some(ns), tag)
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+ .unwrap()
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+ .dyn_into::<Node>()
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+ .unwrap(),
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+ None => self
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+ .document
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+ .create_element(tag)
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+ .unwrap()
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+ .dyn_into::<Node>()
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+ .unwrap(),
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+ };
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+
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+ use smallstr::SmallString;
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+ use std::fmt::Write;
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+
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+ let mut s: SmallString<[u8; 8]> = smallstr::SmallString::new();
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+ write!(s, "{}", id).unwrap();
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+
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+ let el2 = el.dyn_ref::<Element>().unwrap();
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+ el2.set_attribute("dioxus-id", s.as_str()).unwrap();
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+
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+ self.stack.push(el.clone());
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+ self.nodes[(id as usize)] = Some(el);
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+ }
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+
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+ fn new_event_listener(&mut self, event: &'static str, _scope: ScopeId, _real_id: u64) {
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+ let event = wasm_bindgen::intern(event);
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+
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+ // attach the correct attributes to the element
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+ // these will be used by accessing the event's target
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+ // This ensures we only ever have one handler attached to the root, but decide
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+ // dynamically when we want to call a listener.
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+
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+ let el = self.stack.top();
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+
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+ let el = el.dyn_ref::<Element>().unwrap();
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+
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+ el.set_attribute("dioxus-event", event).unwrap();
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+
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+ // Register the callback to decode
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+
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+ if let Some(entry) = self.listeners.get_mut(event) {
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+ entry.0 += 1;
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+ } else {
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+ let trigger = self.sender_callback.clone();
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+
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+ let c: Box<dyn FnMut(&Event)> = Box::new(move |event: &web_sys::Event| {
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+ // "Result" cannot be received from JS
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+ // Instead, we just build and immediately execute a closure that returns result
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+ match decode_trigger(event) {
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+ Ok(synthetic_event) => {
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+ let target = event.target().unwrap();
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+ if let Some(node) = target.dyn_ref::<HtmlElement>() {
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+ if let Some(name) = node.get_attribute("dioxus-prevent-default") {
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+ if name == synthetic_event.name
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+ || name.trim_start_matches("on") == synthetic_event.name
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+ {
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+ log::trace!("Preventing default");
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+ event.prevent_default();
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+ }
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+ }
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+ }
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+
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+ trigger.as_ref()(SchedulerMsg::Event(synthetic_event))
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+ }
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+ Err(e) => log::error!("Error decoding Dioxus event attribute. {:#?}", e),
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+ };
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+ });
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+
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+ let handler = Closure::wrap(c);
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+
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+ self.root
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+ .add_event_listener_with_callback(event, (&handler).as_ref().unchecked_ref())
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+ .unwrap();
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+
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+ // Increment the listeners
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+ self.listeners.insert(event.into(), (1, handler));
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+ }
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+ }
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+
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+ fn remove_event_listener(&mut self, _event: &str, _root: u64) {
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+ todo!()
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+ }
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+
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+ fn set_text(&mut self, text: &str, root: u64) {
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+ let el = self.nodes[root as usize].as_ref().unwrap();
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+ el.set_text_content(Some(text))
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+ }
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+
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+ fn set_attribute(&mut self, name: &str, value: &str, ns: Option<&str>, root: u64) {
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+ let node = self.nodes[root as usize].as_ref().unwrap();
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+ if ns == Some("style") {
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+ if let Some(el) = node.dyn_ref::<Element>() {
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+ let el = el.dyn_ref::<HtmlElement>().unwrap();
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+ let style_dc: CssStyleDeclaration = el.style();
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+ style_dc.set_property(name, value).unwrap();
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+ }
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+ } else {
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+ let fallback = || {
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+ let el = node.dyn_ref::<Element>().unwrap();
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+ el.set_attribute(name, value).unwrap()
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+ };
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+ match name {
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+ "dangerous_inner_html" => {
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+ if let Some(el) = node.dyn_ref::<Element>() {
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+ el.set_inner_html(value);
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+ }
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+ }
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+ "value" => {
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+ if let Some(input) = node.dyn_ref::<HtmlInputElement>() {
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+ /*
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+ if the attribute being set is the same as the value of the input, then don't bother setting it.
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+ This is used in controlled components to keep the cursor in the right spot.
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+
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+ this logic should be moved into the virtualdom since we have the notion of "volatile"
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+ */
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+ if input.value() != value {
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+ input.set_value(value);
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+ }
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+ } else if let Some(node) = node.dyn_ref::<HtmlTextAreaElement>() {
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+ if name == "value" {
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+ node.set_value(value);
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+ }
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+ } else {
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+ fallback();
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+ }
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+ }
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+ "checked" => {
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+ if let Some(input) = node.dyn_ref::<HtmlInputElement>() {
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+ match value {
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+ "true" => input.set_checked(true),
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+ "false" => input.set_checked(false),
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+ _ => fallback(),
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+ }
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+ } else {
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+ fallback();
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+ }
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+ }
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+ "selected" => {
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+ if let Some(node) = node.dyn_ref::<HtmlOptionElement>() {
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+ node.set_selected(true);
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+ } else {
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+ fallback();
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+ }
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+ }
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+ _ => {
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+ // https://github.com/facebook/react/blob/8b88ac2592c5f555f315f9440cbb665dd1e7457a/packages/react-dom/src/shared/DOMProperty.js#L352-L364
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+ if value == "false" {
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+ if let Some(el) = node.dyn_ref::<Element>() {
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+ match name {
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+ "allowfullscreen"
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+ | "allowpaymentrequest"
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+ | "async"
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+ | "autofocus"
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+ | "autoplay"
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+ | "checked"
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+ | "controls"
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+ | "default"
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+ | "defer"
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+ | "disabled"
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+ | "formnovalidate"
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+ | "hidden"
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+ | "ismap"
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+ | "itemscope"
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+ | "loop"
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+ | "multiple"
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+ | "muted"
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+ | "nomodule"
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+ | "novalidate"
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+ | "open"
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+ | "playsinline"
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+ | "readonly"
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+ | "required"
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+ | "reversed"
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+ | "selected"
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+ | "truespeed" => {
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+ let _ = el.remove_attribute(name);
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+ }
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+ _ => {
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+ let _ = el.set_attribute(name, value);
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+ }
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+ };
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+ }
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+ } else {
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+ fallback();
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ fn remove_attribute(&mut self, name: &str, root: u64) {
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+ let node = self.nodes[root as usize].as_ref().unwrap();
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+ if let Some(node) = node.dyn_ref::<web_sys::Element>() {
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+ node.remove_attribute(name).unwrap();
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+ }
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+ if let Some(node) = node.dyn_ref::<HtmlInputElement>() {
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+ // Some attributes are "volatile" and don't work through `removeAttribute`.
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+ if name == "value" {
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+ node.set_value("");
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+ }
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+ if name == "checked" {
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+ node.set_checked(false);
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+ }
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+ }
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+
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|
+ 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(),
|
|
|
+ locale: "not implemented".to_string(),
|
|
|
+ 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")
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
Jonathan Kelley