Add DBUS stubs for a basic Channel type

src/padfoot/channel/channel.rs

@@ -0,0 +1,73 @@
+use crate::telepathy;
+
+use dbus::tree::MethodErr;
+
+use super::{Channel, Result};
+
+impl AsRef<dyn telepathy::Channel + 'static> for std::rc::Rc<Channel> {
+    fn as_ref(&self) -> &(dyn telepathy::Channel + 'static) {
+        &**self
+    }
+}
+
+impl telepathy::Channel for Channel {
+    fn close(&self) -> Result<()> {
+        println!("Channel::close()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn get_channel_type(&self) -> Result<String> {
+        self.channel_type()
+    }
+
+    fn get_handle(&self) -> Result<(u32, u32)> {
+        println!("Channel::get_handle()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn get_interfaces(&self) -> Result<Vec<String>> {
+        println!("Channel::get_interfaces()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn channel_type(&self) -> Result<String> {
+        println!("Channel::channel_type()");
+
+        Ok("org.freedesktop.Telepathy.Channel.Text".to_string())
+    }
+
+    fn interfaces(&self) -> Result<Vec<String>> {
+        println!("Channel::interfaces()");
+        Ok(super::channel_interfaces())
+    }
+
+    fn target_handle(&self) -> Result<u32> {
+        println!("Channel::target_handle()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn target_id(&self) -> Result<String> {
+        println!("Channel::target_id()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn target_handle_type(&self) -> Result<u32> {
+        println!("Channel::target_handle_type()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn requested(&self) -> Result<bool> {
+        println!("Channel::requested()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn initiator_handle(&self) -> Result<u32> {
+        println!("Channel::initiator_handle()");
+        Err(MethodErr::no_arg())
+    }
+
+    fn initiator_id(&self) -> Result<String> {
+        println!("Channel::initiator_id()");
+        Err(MethodErr::no_arg())
+    }
+}