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use std::sync::mpsc::channel;
use std::sync::Arc;
use dioxus_core::prelude::*;
use web_view::Handle;
use web_view::{WVResult, WebView, WebViewBuilder};
static HTML_CONTENT: &'static str = include_str!("./index.html");
pub fn launch<T: 'static>(
builder: impl FnOnce(DioxusWebviewBuilder) -> DioxusWebviewBuilder,
props: T,
root: FC<T>,
) -> anyhow::Result<()> {
WebviewRenderer::run(root, props, builder)
}
pub struct WebviewRenderer<T> {
root: FC<T>,
}
enum InnerEvent {
Initiate(Handle<()>),
}
impl<T: 'static> WebviewRenderer<T> {
pub fn run(
root: FC<T>,
props: T,
user_builder: impl FnOnce(DioxusWebviewBuilder) -> DioxusWebviewBuilder,
) -> anyhow::Result<()> {
let (sender, receiver) = channel::<InnerEvent>();
let DioxusWebviewBuilder {
title,
width,
height,
resizable,
debug,
frameless,
visible,
min_width,
min_height,
} = user_builder(DioxusWebviewBuilder::new());
let mut view = web_view::builder()
.invoke_handler(|view, arg| {
let handle = view.handle();
sender
.send(InnerEvent::Initiate(handle))
.expect("should not fail");
Ok(())
})
.content(web_view::Content::Html(HTML_CONTENT))
.user_data(())
.title(title)
.size(width, height)
.resizable(resizable)
.debug(debug)
.frameless(frameless)
.visible(visible)
.min_size(min_width, min_height)
.build()
.unwrap();
let mut vdom = VirtualDom::new_with_props(root, props);
let edits = vdom.rebuild()?;
let ref_edits = Arc::new(serde_json::to_string(&edits)?);
loop {
view.step()
.expect("should not fail")
.expect("should not fail");
if let Ok(event) = receiver.try_recv() {
if let InnerEvent::Initiate(handle) = event {
let editlist = ref_edits.clone();
handle
.dispatch(move |view| {
view.eval(format!("EditListReceived(`{}`);", editlist).as_str())
})
.expect("Dispatch failed");
}
}
}
}
pub fn new(root: FC<T>, builder: impl FnOnce() -> WVResult<WebView<'static, ()>>) -> Self {
Self { root }
}
pub fn from_vdom() -> Self {
todo!()
}
pub fn update(&mut self, new_val: T) {
todo!()
}
pub fn update_mut(&mut self, modifier: impl Fn(&mut T)) {
todo!()
}
}
pub struct DioxusWebviewBuilder<'a> {
pub(crate) title: &'a str,
pub(crate) width: i32,
pub(crate) height: i32,
pub(crate) resizable: bool,
pub(crate) debug: bool,
pub(crate) frameless: bool,
pub(crate) visible: bool,
pub(crate) min_width: i32,
pub(crate) min_height: i32,
}
impl<'a> DioxusWebviewBuilder<'a> {
fn new() -> Self {
#[cfg(debug_assertions)]
let debug = true;
#[cfg(not(debug_assertions))]
let debug = false;
DioxusWebviewBuilder {
title: "Application",
width: 800,
height: 600,
resizable: true,
debug,
frameless: false,
visible: true,
min_width: 300,
min_height: 300,
}
}
pub fn title(mut self, title: &'a str) -> Self {
self.title = title;
self
}
pub fn size(mut self, width: i32, height: i32) -> Self {
self.width = width;
self.height = height;
self
}
pub fn resizable(mut self, resizable: bool) -> Self {
self.resizable = resizable;
self
}
pub fn debug(mut self, debug: bool) -> Self {
self.debug = debug;
self
}
pub fn frameless(mut self, frameless: bool) -> Self {
self.frameless = frameless;
self
}
pub fn visible(mut self, visible: bool) -> Self {
self.visible = visible;
self
}
pub fn min_size(mut self, width: i32, height: i32) -> Self {
self.min_width = width;
self.min_height = height;
self
}
}