dioxus_desktop/
assets.rs

1use dioxus_core::prelude::Callback;
2use rustc_hash::FxHashMap;
3use std::{cell::RefCell, rc::Rc};
4use wry::{http::Request, RequestAsyncResponder};
5
6/// A request for an asset within dioxus-desktop.
7pub type AssetRequest = Request<Vec<u8>>;
8
9pub struct AssetHandler {
10    f: Callback<(AssetRequest, RequestAsyncResponder)>,
11}
12
13#[derive(Clone)]
14pub struct AssetHandlerRegistry {
15    handlers: Rc<RefCell<FxHashMap<String, AssetHandler>>>,
16}
17
18impl AssetHandlerRegistry {
19    pub fn new() -> Self {
20        AssetHandlerRegistry {
21            handlers: Default::default(),
22        }
23    }
24
25    pub fn has_handler(&self, name: &str) -> bool {
26        self.handlers.borrow().contains_key(name)
27    }
28
29    pub fn handle_request(
30        &self,
31        name: &str,
32        request: AssetRequest,
33        responder: RequestAsyncResponder,
34    ) {
35        if let Some(handler) = self.handlers.borrow().get(name) {
36            // Avoid handler being already borrowed on android
37            #[cfg(target_os = "android")]
38            let _lock = crate::android_sync_lock::android_runtime_lock();
39
40            // And run the handler in the scope of the component that created it
41            handler.f.call((request, responder));
42        }
43    }
44
45    pub fn register_handler(
46        &self,
47        name: String,
48        f: Callback<(AssetRequest, RequestAsyncResponder)>,
49    ) {
50        self.handlers.borrow_mut().insert(name, AssetHandler { f });
51    }
52
53    pub fn remove_handler(&self, name: &str) -> Option<AssetHandler> {
54        self.handlers.borrow_mut().remove(name)
55    }
56}
dioxus_desktop/assets.rs

dioxus_desktop/
assets.rs
