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pub mod cfg;
pub mod escape;
pub mod events;
use cfg::DesktopConfig;
use dioxus_core::*;
use std::{
collections::{HashMap, VecDeque},
sync::atomic::AtomicBool,
sync::{Arc, RwLock},
};
use tao::{
event::{Event, StartCause, WindowEvent},
event_loop::{ControlFlow, EventLoop},
window::{Window, WindowId},
};
pub use wry;
pub use wry::application as tao;
use wry::{
application::event_loop::EventLoopProxy,
webview::RpcRequest,
webview::{WebView, WebViewBuilder},
};
pub fn launch(root: Component) {
launch_with_props(root, (), |c| c)
}
pub fn launch_cfg(
root: Component,
config_builder: impl FnOnce(&mut DesktopConfig) -> &mut DesktopConfig,
) {
launch_with_props(root, (), config_builder)
}
pub fn launch_with_props<P: 'static + Send>(
root: Component<P>,
props: P,
builder: impl FnOnce(&mut DesktopConfig) -> &mut DesktopConfig,
) {
let mut cfg = DesktopConfig::default();
builder(&mut cfg);
let event_loop = EventLoop::with_user_event();
let mut desktop = DesktopController::new_on_tokio(root, props, event_loop.create_proxy());
let proxy = event_loop.create_proxy();
event_loop.run(move |window_event, event_loop, control_flow| {
*control_flow = ControlFlow::Wait;
match window_event {
Event::NewEvents(StartCause::Init) => {
let builder = cfg.window.clone();
let window = builder.build(event_loop).unwrap();
let window_id = window.id();
let (is_ready, sender) = (desktop.is_ready.clone(), desktop.sender.clone());
let proxy = proxy.clone();
let file_handler = cfg.file_drop_handler.take();
let mut webview = WebViewBuilder::new(window)
.unwrap()
.with_url("dioxus://index.html/")
.unwrap()
.with_rpc_handler(move |_window: &Window, req: RpcRequest| {
match req.method.as_str() {
"user_event" => {
let event = events::trigger_from_serialized(req.params.unwrap());
log::trace!("User event: {:?}", event);
sender.unbounded_send(SchedulerMsg::Event(event)).unwrap();
}
"initialize" => {
is_ready.store(true, std::sync::atomic::Ordering::Relaxed);
let _ = proxy.send_event(UserWindowEvent::Update);
}
"browser_open" => {
let data = req.params.unwrap();
log::trace!("Open browser: {:?}", data);
if let Some(arr) = data.as_array() {
if let Some(temp) = arr[0].as_object() {
if temp.contains_key("href") {
let url = temp.get("href").unwrap().as_str().unwrap();
if let Err(e) = webbrowser::open(url) {
log::error!("Open Browser error: {:?}", e);
}
}
}
}
}
_ => {}
}
None
})
.with_custom_protocol(String::from("dioxus"), move |request| {
let path = request.uri().replace("dioxus://", "");
let trimmed = path.trim_start_matches("index.html/");
if trimmed.is_empty() {
wry::http::ResponseBuilder::new()
.mimetype("text/html")
.body(include_bytes!("./index.html").to_vec())
} else if trimmed == "index.js" {
wry::http::ResponseBuilder::new()
.mimetype("text/javascript")
.body(include_bytes!("./interpreter.js").to_vec())
} else {
use std::fs::read;
let path_buf = std::path::Path::new(trimmed).canonicalize()?;
let cur_path = std::path::Path::new(".").canonicalize()?;
if !path_buf.starts_with(cur_path) {
return wry::http::ResponseBuilder::new()
.status(wry::http::status::StatusCode::FORBIDDEN)
.body(String::from("Forbidden").into_bytes());
}
if !path_buf.exists() {
return wry::http::ResponseBuilder::new()
.status(wry::http::status::StatusCode::NOT_FOUND)
.body(String::from("Not Found").into_bytes());
}
let mime = mime_guess::from_path(&path_buf).first_or_octet_stream();
let data = read(path_buf)?;
let meta = format!("{mime}");
wry::http::ResponseBuilder::new().mimetype(&meta).body(data)
}
})
.with_file_drop_handler(move |window, evet| {
file_handler
.as_ref()
.map(|handler| handler(window, evet))
.unwrap_or_default()
});
for (name, handler) in cfg.protocos.drain(..) {
webview = webview.with_custom_protocol(name, handler)
}
desktop.webviews.insert(window_id, webview.build().unwrap());
}
Event::WindowEvent {
event, window_id, ..
} => match event {
WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
WindowEvent::Destroyed { .. } => desktop.close_window(window_id, control_flow),
WindowEvent::Resized(_) | WindowEvent::Moved(_) => {
if let Some(view) = desktop.webviews.get_mut(&window_id) {
let _ = view.resize();
}
}
_ => {}
},
Event::UserEvent(_evt) => {
match _evt {
UserWindowEvent::Update => desktop.try_load_ready_webviews(),
}
}
Event::MainEventsCleared => {}
Event::Resumed => {}
Event::Suspended => {}
Event::LoopDestroyed => {}
Event::RedrawRequested(_id) => {}
_ => {}
}
})
}
pub enum UserWindowEvent {
Update,
}
pub struct DesktopController {
pub proxy: EventLoopProxy<UserWindowEvent>,
pub webviews: HashMap<WindowId, WebView>,
pub sender: futures_channel::mpsc::UnboundedSender<SchedulerMsg>,
pub pending_edits: Arc<RwLock<VecDeque<String>>>,
pub quit_app_on_close: bool,
pub is_ready: Arc<AtomicBool>,
}
impl DesktopController {
pub fn new_on_tokio<P: Send + 'static>(
root: Component<P>,
props: P,
evt: EventLoopProxy<UserWindowEvent>,
) -> Self {
let edit_queue = Arc::new(RwLock::new(VecDeque::new()));
let pending_edits = edit_queue.clone();
let (sender, receiver) = futures_channel::mpsc::unbounded::<SchedulerMsg>();
let return_sender = sender.clone();
let proxy = evt.clone();
std::thread::spawn(move || {
let runtime = tokio::runtime::Builder::new_multi_thread()
.enable_all()
.build()
.unwrap();
runtime.block_on(async move {
let mut dom =
VirtualDom::new_with_props_and_scheduler(root, props, (sender, receiver));
let edits = dom.rebuild();
edit_queue
.write()
.unwrap()
.push_front(serde_json::to_string(&edits.edits).unwrap());
loop {
dom.wait_for_work().await;
let mut muts = dom.work_with_deadline(|| false);
while let Some(edit) = muts.pop() {
edit_queue
.write()
.unwrap()
.push_front(serde_json::to_string(&edit.edits).unwrap());
}
let _ = evt.send_event(UserWindowEvent::Update);
}
})
});
Self {
pending_edits,
sender: return_sender,
proxy,
webviews: HashMap::new(),
is_ready: Arc::new(AtomicBool::new(false)),
quit_app_on_close: true,
}
}
pub fn close_window(&mut self, window_id: WindowId, control_flow: &mut ControlFlow) {
self.webviews.remove(&window_id);
if self.webviews.is_empty() && self.quit_app_on_close {
*control_flow = ControlFlow::Exit;
}
}
pub fn try_load_ready_webviews(&mut self) {
if self.is_ready.load(std::sync::atomic::Ordering::Relaxed) {
let mut queue = self.pending_edits.write().unwrap();
let (_id, view) = self.webviews.iter_mut().next().unwrap();
while let Some(edit) = queue.pop_back() {
view.evaluate_script(&format!("window.interpreter.handleEdits({})", edit))
.unwrap();
}
} else {
println!("waiting for ready");
}
}
}