Implement the Presence interface for the protocol

src/padfoot/protocol.rs

@@ -54,6 +54,13 @@ pub fn parameters() -> Vec<ParamSpec> {
     ]
 }
 
+pub fn protocol_interfaces() -> Vec<String> {
+    vec![
+        "org.freedesktop.Telepathy.Protocol".to_string(),
+        "org.freedesktop.Telepathy.Protocol.Interface.Presence".to_string(),
+    ]
+}
+
 pub fn requestables() -> Vec<RequestableChannelSpec> {
     let mut rf = HashMap::<String, Variant>::new();
 
@@ -101,7 +108,7 @@ impl telepathy::Protocol for Protocol {
     fn interfaces(&self) -> Result<Vec<String>, MethodErr> {
         println!("Protocol::interfaces()");
 
-        Ok(vec![])
+        Ok(protocol_interfaces())
     }
 
     fn parameters(&self) -> Result<Vec<ParamSpec>, MethodErr> {
@@ -148,3 +155,32 @@ impl telepathy::Protocol for Protocol {
         ])
     }
 }
+
+pub type SimpleStatusSpec = (
+    u32,  // connection presence type
+    bool, // may set on self?
+    bool, // can have message?
+);
+
+pub fn statuses() -> HashMap<String, SimpleStatusSpec> {
+    let mut out = HashMap::<String, SimpleStatusSpec>::new();
+
+    out.insert("available".to_string(), (2, true, false));
+    out.insert("offline".to_string(), (1, true, false));
+
+    out
+}
+
+impl AsRef<dyn telepathy::ProtocolInterfacePresence + 'static> for std::rc::Rc<Protocol> {
+    fn as_ref(&self) -> &(dyn telepathy::ProtocolInterfacePresence + 'static) {
+        &**self
+    }
+}
+
+impl telepathy::ProtocolInterfacePresence for Protocol {
+    fn statuses(&self) -> Result<HashMap<String, SimpleStatusSpec>, MethodErr> {
+        println!("Protocol::presences()");
+
+        Ok(statuses())
+    }
+}