tauri/examples/state/main.rs
Amr Bashir 4c4acc3094
feat: implement Default for Menu, closes #2398 (#4291)
Co-authored-by: Lucas Nogueira <lucas@tauri.studio>
2022-06-15 10:51:40 -03:00

89 lines
2.0 KiB
Rust

// Copyright 2019-2021 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
#![cfg_attr(
all(not(debug_assertions), target_os = "windows"),
windows_subsystem = "windows"
)]
use std::{
collections::HashMap,
sync::{
atomic::{AtomicUsize, Ordering},
Arc, Mutex,
},
};
use tauri::State;
struct Counter(AtomicUsize);
#[derive(Default)]
struct Database(Arc<Mutex<HashMap<String, String>>>);
struct Client;
impl Client {
fn send(&self) {}
}
#[derive(Default)]
struct Connection(Mutex<Option<Client>>);
#[tauri::command]
fn connect(connection: State<'_, Connection>) {
*connection.0.lock().unwrap() = Some(Client {});
}
#[tauri::command]
fn disconnect(connection: State<'_, Connection>) {
// drop the connection
*connection.0.lock().unwrap() = None;
}
#[tauri::command]
fn connection_send(connection: State<'_, Connection>) {
connection
.0
.lock()
.unwrap()
.as_ref()
.expect("connection not initialize; use the `connect` command first")
.send();
}
#[tauri::command]
fn increment_counter(counter: State<'_, Counter>) -> usize {
counter.0.fetch_add(1, Ordering::Relaxed) + 1
}
#[tauri::command]
fn db_insert(key: String, value: String, db: State<'_, Database>) {
db.0.lock().unwrap().insert(key, value);
}
#[tauri::command]
fn db_read(key: String, db: State<'_, Database>) -> Option<String> {
db.0.lock().unwrap().get(&key).cloned()
}
fn main() {
let context = tauri::generate_context!("../../examples/state/tauri.conf.json");
tauri::Builder::default()
.menu(tauri::Menu::os_default(&context.package_info().name))
.manage(Counter(AtomicUsize::new(0)))
.manage(Database(Default::default()))
.manage(Connection(Default::default()))
.invoke_handler(tauri::generate_handler![
increment_counter,
db_insert,
db_read,
connect,
disconnect,
connection_send
])
.run(context)
.expect("error while running tauri application");
}