From: Jacob Casper <dev@jacobcasper.com>
Date: Sun, 18 Oct 2020 01:46:59 +0000 (-0500)
Subject: Get artist of currently playing track
X-Git-Url: https://git.jacobcasper.com/?p=xsetrootd.git;a=commitdiff_plain;h=79b46cd5aa5afef1b00e436491aaa0d5c026297c

Get artist of currently playing track
---

diff --git a/src/main.rs b/src/main.rs
index df3b54e..1d8624e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,7 +14,28 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     let _ = proxy.match_signal(
         |pc: PropertiesPropertiesChanged, _: &Connection, _: &Message| {
-            println! {"dumping {:#x?}", pc.changed_properties["Metadata"]};
+            pc.changed_properties["Metadata"]
+                .0
+                .as_iter()
+                .and_then(|mut iter| {
+                    // Iterating over a RefArg goes key, value, key, value... Insane honestly.
+                    while let Some(key) = iter.next() {
+                        let key_str = key.as_str()?;
+                        let value = iter.next();
+
+                        match key_str {
+                            "xesam:artist" => {
+                                // Variant holding a variant that should just be a Vec<&str> I
+                                // believe. This is _the recommended_ way to do this by the author.
+                                let inner_value = value?.as_iter()?.next()?.as_iter()?.next()?;
+                                let artist = String::from(inner_value.as_str()?);
+                                println!("artist: {}", artist);
+                            }
+                            _ => (),
+                        }
+                    }
+                    Some(())
+                });
             true
         },
     );