b2fa19ab6c
This is a first pass towards trying to structure things a bit better, with data generally encapsulated under a single hierarchical tree, rather than lots of globals all over the place. Lots of work is still required. The plan is that with this and some more work, #291 should become a lot easier to sort.
79 lines
2.3 KiB
Rust
79 lines
2.3 KiB
Rust
use crate::script::Script;
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use crate::send;
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#[cfg(feature = "ipc")]
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use crate::Ironbar;
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use cfg_if::cfg_if;
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use glib::Continue;
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use serde::Deserialize;
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use tokio::spawn;
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#[derive(Debug, Deserialize, Clone)]
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#[serde(untagged)]
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pub enum DynamicBool {
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/// Either a script or variable, to be determined.
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Unknown(String),
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Script(Script),
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#[cfg(feature = "ipc")]
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Variable(Box<str>),
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}
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impl DynamicBool {
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pub fn subscribe<F>(self, f: F)
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where
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F: FnMut(bool) -> Continue + 'static,
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{
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let value = match self {
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Self::Unknown(input) => {
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if input.starts_with('#') {
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cfg_if! {
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if #[cfg(feature = "ipc")] {
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Self::Variable(input.into())
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} else {
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Self::Unknown(input)
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}
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}
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} else {
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let script = Script::from(input.as_str());
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Self::Script(script)
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}
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}
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_ => self,
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};
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let (tx, rx) = glib::MainContext::channel(glib::PRIORITY_DEFAULT);
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rx.attach(None, f);
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spawn(async move {
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match value {
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DynamicBool::Script(script) => {
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script
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.run(None, |_, success| {
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send!(tx, success);
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})
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.await;
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}
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#[cfg(feature = "ipc")]
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DynamicBool::Variable(variable) => {
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let variable_manager = Ironbar::variable_manager();
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let variable_name = variable[1..].into(); // remove hash
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let mut rx = crate::write_lock!(variable_manager).subscribe(variable_name);
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while let Ok(value) = rx.recv().await {
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let has_value = value.map(|s| is_truthy(&s)).unwrap_or_default();
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send!(tx, has_value);
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}
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}
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DynamicBool::Unknown(_) => unreachable!(),
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}
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});
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}
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}
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/// Check if a string ironvar is 'truthy'
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#[cfg(feature = "ipc")]
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fn is_truthy(string: &str) -> bool {
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!(string.is_empty() || string == "0" || string == "false")
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}
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