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use std::collections::VecDeque;
use std::sync::mpsc;
use crate::config;
use crate::context::{LocalStateContext, TabContext, WorkerContext};
use crate::util::event::{AppEvent, Events};
use crate::util::search::SearchPattern;
pub struct AppContext {
pub exit: bool,
// app config
config: config::AppConfig,
// event loop querying
events: Events,
// context related to tabs
tab_context: TabContext,
// context related to local file state
local_state: Option<LocalStateContext>,
// context related to searching
search_context: Option<SearchPattern>,
// message queue for displaying messages
message_queue: VecDeque<String>,
// context related to io workers
worker_context: WorkerContext,
}
impl AppContext {
pub fn new(config: config::AppConfig) -> Self {
let events = Events::new();
let event_tx = events.event_tx.clone();
Self {
exit: false,
events,
tab_context: TabContext::new(),
local_state: None,
search_context: None,
message_queue: VecDeque::with_capacity(4),
worker_context: WorkerContext::new(event_tx),
config,
}
}
// event related
pub fn poll_event(&self) -> Result<AppEvent, mpsc::RecvError> {
self.events.next()
}
pub fn flush_event(&self) {
self.events.flush();
}
pub fn config_ref(&self) -> &config::AppConfig {
&self.config
}
pub fn config_mut(&mut self) -> &mut config::AppConfig {
&mut self.config
}
pub fn tab_context_ref(&self) -> &TabContext {
&self.tab_context
}
pub fn tab_context_mut(&mut self) -> &mut TabContext {
&mut self.tab_context
}
pub fn message_queue_ref(&self) -> &VecDeque<String> {
&self.message_queue
}
pub fn push_msg(&mut self, msg: String) {
self.message_queue.push_back(msg);
}
pub fn pop_msg(&mut self) -> Option<String> {
self.message_queue.pop_front()
}
// local state related
pub fn set_local_state(&mut self, state: LocalStateContext) {
self.local_state = Some(state);
}
pub fn take_local_state(&mut self) -> Option<LocalStateContext> {
self.local_state.take()
}
pub fn get_search_context(&self) -> Option<&SearchPattern> {
self.search_context.as_ref()
}
pub fn set_search_context(&mut self, pattern: SearchPattern) {
self.search_context = Some(pattern);
}
pub fn worker_context_ref(&self) -> &WorkerContext {
&self.worker_context
}
pub fn worker_context_mut(&mut self) -> &mut WorkerContext {
&mut self.worker_context
}
}
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