126 lines
4.0 KiB
Rust
126 lines
4.0 KiB
Rust
use crate::desktop_context::{DesktopContext, UserWindowEvent};
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use dioxus_core::*;
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use std::{
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collections::HashMap,
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sync::Arc,
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sync::{atomic::AtomicBool, Mutex},
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};
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use wry::{
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self,
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application::{event_loop::ControlFlow, event_loop::EventLoopProxy, window::WindowId},
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webview::WebView,
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};
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pub(super) struct DesktopController {
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pub(super) webviews: HashMap<WindowId, WebView>,
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pub(super) pending_edits: Arc<Mutex<Vec<String>>>,
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pub(super) quit_app_on_close: bool,
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pub(super) is_ready: Arc<AtomicBool>,
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}
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impl DesktopController {
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// Launch the virtualdom on its own thread managed by tokio
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// returns the desktop state
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pub(super) fn new_on_tokio<P: Send + 'static>(
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root: Component<P>,
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props: P,
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proxy: EventLoopProxy<UserWindowEvent>,
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) -> Self {
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let edit_queue = Arc::new(Mutex::new(Vec::new()));
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let pending_edits = edit_queue.clone();
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let desktop_context_proxy = proxy.clone();
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std::thread::spawn(move || {
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// We create the runtime as multithreaded, so you can still "spawn" onto multiple threads
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let runtime = tokio::runtime::Builder::new_multi_thread()
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.enable_all()
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.build()
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.unwrap();
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runtime.block_on(async move {
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println!("starting vdom");
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let mut dom = VirtualDom::new_with_props(root, props);
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let window_context = DesktopContext::new(desktop_context_proxy);
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dom.base_scope().provide_context(window_context);
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let edits = dom.rebuild();
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{
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let mut queue = edit_queue.lock().unwrap();
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queue.push(serde_json::to_string(&edits.template_mutations).unwrap());
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queue.push(serde_json::to_string(&edits.edits).unwrap());
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proxy.send_event(UserWindowEvent::Update).unwrap();
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drop(queue);
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}
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loop {
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// todo: add the channel of the event loop in
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tokio::select! {
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_ = dom.wait_for_work() => {}
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}
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let muts = dom
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.render_with_deadline(tokio::time::sleep(
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tokio::time::Duration::from_millis(100),
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))
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.await;
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{
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let mut queue = edit_queue.lock().unwrap();
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for edit in muts.template_mutations {
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queue.push(serde_json::to_string(&edit).unwrap());
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}
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for edit in muts.edits {
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queue.push(serde_json::to_string(&edit).unwrap());
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}
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drop(queue);
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}
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let _ = proxy.send_event(UserWindowEvent::Update);
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}
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})
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});
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Self {
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pending_edits,
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webviews: HashMap::new(),
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is_ready: Arc::new(AtomicBool::new(false)),
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quit_app_on_close: true,
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}
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}
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pub(super) fn close_window(&mut self, window_id: WindowId, control_flow: &mut ControlFlow) {
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self.webviews.remove(&window_id);
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if self.webviews.is_empty() && self.quit_app_on_close {
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*control_flow = ControlFlow::Exit;
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}
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}
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pub(super) fn try_load_ready_webviews(&mut self) {
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if self.is_ready.load(std::sync::atomic::Ordering::Relaxed) {
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let mut new_queue = Vec::new();
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{
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let mut queue = self.pending_edits.lock().unwrap();
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std::mem::swap(&mut new_queue, &mut *queue);
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}
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let (_id, view) = self.webviews.iter_mut().next().unwrap();
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for edit in new_queue.drain(..) {
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view.evaluate_script(&format!("window.interpreter.handleEdits({})", edit))
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.unwrap();
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}
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}
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}
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}
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