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|
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use std::sync::{Arc, Mutex};
use zellij_client::os_input_output::{ClientOsApi, SignalEvent};
use zellij_utils::data::Palette;
use zellij_utils::errors::ErrorContext;
use zellij_utils::ipc::{
ClientToServerMsg, IpcReceiverWithContext, IpcSenderWithContext, ServerToClientMsg,
};
use zellij_utils::pane_size::Size;
use zellij_utils::shared::default_palette;
use crate::client_screen::ClientScreen;
type ServerSpawner = Box<dyn FnOnce(PathBuf) + Send>;
pub struct FakeClientOsApi {
client_screen: ClientScreen,
size: Arc<Mutex<Size>>,
stdin_rx: crossbeam::channel::Receiver<Vec<u8>>,
signal_rx: crossbeam::channel::Receiver<SignalEvent>,
send_instructions_to_server: Arc<Mutex<Option<IpcSenderWithContext<ClientToServerMsg>>>>,
receive_instructions_from_server: Arc<Mutex<Option<IpcReceiverWithContext<ServerToClientMsg>>>>,
session_name: Arc<Mutex<Option<String>>>,
server_spawner: Arc<Mutex<Option<ServerSpawner>>>,
env: Arc<Mutex<HashMap<String, String>>>,
}
impl Clone for FakeClientOsApi {
fn clone(&self) -> Self {
FakeClientOsApi {
client_screen: self.client_screen.clone(),
size: self.size.clone(),
stdin_rx: self.stdin_rx.clone(),
signal_rx: self.signal_rx.clone(),
send_instructions_to_server: self.send_instructions_to_server.clone(),
receive_instructions_from_server: self.receive_instructions_from_server.clone(),
session_name: self.session_name.clone(),
server_spawner: self.server_spawner.clone(),
env: self.env.clone(),
}
}
}
impl std::fmt::Debug for FakeClientOsApi {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("FakeClientOsApi").finish()
}
}
pub struct FakeClientHandle {
pub client_screen: ClientScreen,
pub size: Arc<Mutex<Size>>,
pub stdin_tx: crossbeam::channel::Sender<Vec<u8>>,
pub signal_tx: crossbeam::channel::Sender<SignalEvent>,
}
impl FakeClientOsApi {
pub fn new(
initial_size: Size,
server_spawner: Option<ServerSpawner>,
) -> (Self, FakeClientHandle) {
Self::new_with_env(initial_size, server_spawner, HashMap::new())
}
pub fn new_with_env(
initial_size: Size,
server_spawner: Option<ServerSpawner>,
env: HashMap<String, String>,
) -> (Self, FakeClientHandle) {
let size = Arc::new(Mutex::new(initial_size));
let client_screen = ClientScreen::new(size.clone());
let (stdin_tx, stdin_rx) = crossbeam::channel::unbounded();
let (signal_tx, signal_rx) = crossbeam::channel::unbounded();
let fake_client_os_api = FakeClientOsApi {
client_screen: client_screen.clone(),
size: size.clone(),
stdin_rx,
signal_rx,
send_instructions_to_server: Arc::new(Mutex::new(None)),
receive_instructions_from_server: Arc::new(Mutex::new(None)),
session_name: Arc::new(Mutex::new(None)),
server_spawner: Arc::new(Mutex::new(server_spawner)),
env: Arc::new(Mutex::new(env)),
};
let fake_client_handle = FakeClientHandle {
client_screen,
size,
stdin_tx,
signal_tx,
};
(fake_client_os_api, fake_client_handle)
}
}
impl ClientOsApi for FakeClientOsApi {
fn get_terminal_size(&self) -> Size {
*self.size.lock().unwrap()
}
fn set_raw_mode(&mut self) {}
fn unset_raw_mode(&self) -> Result<(), std::io::Error> {
Ok(())
}
fn get_stdout_writer(&self) -> Box<dyn std::io::Write> {
self.client_screen.writer()
}
fn get_stdin_reader(&self) -> Box<dyn std::io::BufRead> {
Box::new(std::io::BufReader::new(std::io::empty()))
}
fn update_session_name(&mut self, new_session_name: String) {
*self.session_name.lock().unwrap() = Some(new_session_name);
}
fn read_from_stdin(&mut self) -> Result<Vec<u8>, &'static str> {
self.stdin_rx.recv().map_err(|_| "fake client stdin closed")
}
fn box_clone(&self) -> Box<dyn ClientOsApi> {
Box::new(self.clone())
}
fn send_to_server(&self, msg: ClientToServerMsg) {
match self.send_instructions_to_server.lock().unwrap().as_mut() {
Some(ipc_sender) => {
let _ = ipc_sender.send_client_msg(msg);
},
None => {
log::warn!("Server not ready, dropping message.");
},
}
}
fn recv_from_server(&self) -> Option<(ServerToClientMsg, ErrorContext)> {
self.receive_instructions_from_server
.lock()
.unwrap()
.as_mut()
.unwrap()
.recv_server_msg()
}
fn handle_signals(
&self,
sigwinch_cb: Box<dyn Fn()>,
quit_cb: Box<dyn Fn()>,
_resize_receiver: Option<std::sync::mpsc::Receiver<()>>,
) {
loop {
match self.signal_rx.recv() {
Ok(SignalEvent::Resize) => sigwinch_cb(),
Ok(SignalEvent::Quit) => {
quit_cb();
break;
},
Err(_) => break,
}
}
}
fn connect_to_server(&self, path: &Path) {
let socket;
loop {
match zellij_utils::consts::ipc_connect(path) {
Ok(sock) => {
socket = sock;
break;
},
Err(_) => {
std::thread::sleep(std::time::Duration::from_millis(10));
},
}
}
let ipc_sender = IpcSenderWithContext::new(socket);
let ipc_receiver = ipc_sender.get_receiver();
*self.send_instructions_to_server.lock().unwrap() = Some(ipc_sender);
*self.receive_instructions_from_server.lock().unwrap() = Some(ipc_receiver);
}
fn spawn_server(&self, socket_path: &Path, _debug: bool) -> Result<(), std::io::Error> {
if let Some(server_spawner) = self.server_spawner.lock().unwrap().take() {
server_spawner(socket_path.to_path_buf());
}
Ok(())
}
fn load_palette(&self) -> Palette {
default_palette()
}
fn enable_mouse(&self) -> anyhow::Result<()> {
use std::io::Write;
const ENABLE_MOUSE_SUPPORT: &str =
"\u{1b}[?1000h\u{1b}[?1002h\u{1b}[?1003h\u{1b}[?1015h\u{1b}[?1006h";
let mut writer = self.client_screen.writer();
writer.write_all(ENABLE_MOUSE_SUPPORT.as_bytes())?;
writer.flush()?;
Ok(())
}
fn disable_mouse(&self) -> anyhow::Result<()> {
Ok(())
}
fn env_variable(&self, name: &str) -> Option<String> {
self.env.lock().unwrap().get(name).cloned()
}
fn should_install_panic_hook(&self) -> bool {
false
}
}
|
