espanso/espanso-ui/src/linux/mod.rs
2021-06-06 21:52:54 +02:00

109 lines
2.7 KiB
Rust

/*
* This file is part of espanso.
*
* Copyright (C) 2019-2021 Federico Terzi
*
* espanso is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* espanso is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with espanso. If not, see <https://www.gnu.org/licenses/>.
*/
use anyhow::Result;
use log::error;
use notify_rust::Notification;
use std::sync::mpsc;
use std::sync::mpsc::{Receiver, Sender};
use crate::{UIEventLoop, UIRemote};
pub struct LinuxUIOptions {
pub notification_icon_path: String,
}
pub fn create(options: LinuxUIOptions) -> (LinuxRemote, LinuxEventLoop) {
let (tx, rx) = mpsc::channel();
let remote = LinuxRemote::new(tx, options.notification_icon_path);
let eventloop = LinuxEventLoop::new(rx);
(remote, eventloop)
}
pub struct LinuxRemote {
tx: Sender<()>,
notification_icon_path: String,
}
impl LinuxRemote {
pub fn new(tx: Sender<()>, notification_icon_path: String) -> Self {
Self {
tx,
notification_icon_path,
}
}
pub fn stop(&self) -> anyhow::Result<()> {
Ok(self.tx.send(())?)
}
}
impl UIRemote for LinuxRemote {
fn update_tray_icon(&self, _: crate::icons::TrayIcon) {
// NOOP on linux
}
fn show_notification(&self, message: &str) {
if let Err(error) = Notification::new()
.summary("Espanso")
.body(message)
.icon(&self.notification_icon_path)
.show()
{
error!("Unable to show notification: {}", error);
}
}
fn show_context_menu(&self, _: &crate::menu::Menu) {
// NOOP on linux
}
fn exit(&self) {
self.stop().expect("unable to send termination signal to ui eventloop");
}
}
pub struct LinuxEventLoop {
rx: Receiver<()>,
}
impl LinuxEventLoop {
pub fn new(rx: Receiver<()>) -> Self {
Self { rx }
}
}
impl UIEventLoop for LinuxEventLoop {
fn initialize(&mut self) -> Result<()> {
// NOOP on linux
Ok(())
}
fn run(&self, _: crate::UIEventCallback) -> Result<()> {
// We don't run an event loop on Linux as there is no tray icon or application window needed.
// Thad said, we still need a way to block this method, and thus we use a channel
if let Err(error) = self.rx.recv() {
error!("Unable to block the LinuxEventLoop: {}", error);
return Err(error.into());
}
Ok(())
}
}