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refactor: remove cell::RefCell, rename TIMERS_QUEUE variable, and etc. (check desc) 

Removed unused import, renamed static variable (TIMERS_QUEUE ->
TASKS_QUEUE) and refactored get_instance() and show_infobar() methods.
Return value has been changed (Self -> &'static Self) in get_instance()
method.
A check for opening an infobar has been added and renamed used static
variables in show_infobar() method.
This commit is contained in:
doryan 2024-08-02 23:58:24 +04:00
parent a2cb65d570
commit c9dbe4ba6e
1 changed files with 12 additions and 8 deletions
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20
src/view/components/info_bar.rs
View File

@ -1,6 +1,6 @@
use gtk4 as gtk;
use std::{cell::RefCell, collections::VecDeque, sync::LazyLock};
use std::{collections::VecDeque, sync::LazyLock};
use gtk::{
builders::{BoxBuilder, ButtonBuilder, LabelBuilder},
@ -29,7 +29,9 @@ pub struct InfoBarBuilder {
button: ButtonBuilder,
}
static mut TIMERS_QUEUE: VecDeque<JoinHandle<()>> = VecDeque::new();
// TODO: Develop a method to safely mutate static.
// Not necessary.
static mut TASKS_QUEUE: VecDeque<JoinHandle<()>> = VecDeque::new();
//
// Singleton pattern implementation
@ -43,8 +45,8 @@ static INFO_BAR_INSTANCE: LazyLock<InfoBar> = LazyLock::new(|| InfoBar {
});
impl InfoBar {
pub fn get_instance() -> Self {
INFO_BAR_INSTANCE.clone()
pub fn get_instance() -> &'static Self {
&INFO_BAR_INSTANCE
}
pub fn set_text_label(&self, text_label: Option<&str>) {
@ -64,7 +66,9 @@ impl InfoBar {
}
pub fn show_infobar(&self, duration_secs: u64) {
INFO_BAR_INSTANCE.set_reveal_child(true);
if !INFO_BAR_INSTANCE.instance.reveals_child() {
INFO_BAR_INSTANCE.set_reveal_child(true);
}
let callback = spawn(async move {
sleep(Duration::from_secs(duration_secs)).await;
@ -72,11 +76,11 @@ impl InfoBar {
});
unsafe {
if !TIMERS_QUEUE.is_empty() {
TIMERS_QUEUE.pop_back().unwrap().abort();
if !TASKS_QUEUE.is_empty() {
TASKS_QUEUE.pop_back().unwrap().abort();
}
TIMERS_QUEUE.push_back(callback);
TASKS_QUEUE.push_back(callback);
}
}
}