Split into gui and client crates (#30)

Reviewed-on: #30
Reviewed-by: restitux <restitux@ohea.xyz>
Co-authored-by: Sam Sartor <me@samsartor.com>
Co-committed-by: Sam Sartor <me@samsartor.com>

client/src/app.rs

@@ -0,0 +1,215 @@
+use dioxus_signals::{ReadableExt as _, Signal};
+use mime_guess::Mime;
+use mumble_web2_common::ProxyOverrides;
+use ordermap::OrderSet;
+use std::collections::{HashMap, HashSet};
+use std::{fmt, sync::Arc};
+
+pub type ChannelId = u32;
+pub type UserId = u32;
+
+#[derive(Debug)]
+pub enum ConnectionState {
+    Disconnected,
+    Connecting,
+    Connected,
+    Failed(String),
+}
+
+#[derive(Debug, Clone)]
+pub struct AudioSettings {
+    pub denoise: bool,
+}
+
+#[derive(Debug)]
+pub enum Command {
+    Connect {
+        address: String,
+        username: String,
+        config: ProxyOverrides,
+    },
+    SendChat {
+        markdown: String,
+        channels: Vec<ChannelId>,
+    },
+    SendFile {
+        bytes: Vec<u8>,
+        name: String,
+        mime: Option<Mime>,
+        channels: Vec<ChannelId>,
+    },
+    SetMute {
+        mute: bool,
+    },
+    SetDeaf {
+        deaf: bool,
+    },
+    EnterChannel {
+        channel: ChannelId,
+        user: UserId,
+    },
+    UpdateAudioSettings(AudioSettings),
+    Disconnect,
+}
+
+#[derive(Default, Debug)]
+pub struct UserState {
+    pub name: String,
+    pub channel: ChannelId,
+    pub deaf: bool,
+    pub mute: bool,
+    pub suppress: bool,
+    pub self_deaf: bool,
+    pub self_mute: bool,
+}
+
+#[derive(Debug)]
+pub struct Chat {
+    pub raw: String,
+    pub dangerous_html: String,
+    pub sender: Option<UserId>,
+}
+
+#[derive(Default, Debug)]
+pub struct ChannelState {
+    pub name: String,
+    pub children: OrderSet<ChannelId>,
+    pub users: OrderSet<UserId>,
+    pub parent: Option<ChannelId>,
+    pub position: i32,
+}
+
+impl ChannelState {
+    pub fn update_from_channel_state(
+        &mut self,
+        channel_state: &mumble_protocol::control::msgs::ChannelState,
+    ) {
+        if channel_state.has_position() {
+            self.position = channel_state.get_position();
+        }
+        if channel_state.has_parent() {
+            self.parent = Some(channel_state.get_parent());
+        }
+        if channel_state.has_name() {
+            self.name = channel_state.get_name().to_string();
+        }
+    }
+}
+
+#[derive(Default, Debug)]
+pub struct ChannelsState {
+    pub channels: HashMap<ChannelId, ChannelState>,
+}
+
+impl ChannelsState {
+    pub fn update_from_channel_state(
+        &mut self,
+        channel_state: &mumble_protocol::control::msgs::ChannelState,
+    ) {
+        self.channels
+            .entry(channel_state.get_channel_id())
+            .or_default()
+            .update_from_channel_state(channel_state);
+
+        self.update_channel_parents();
+    }
+
+    pub fn update_from_channel_remove(
+        &mut self,
+        channel_remove: &mumble_protocol::control::msgs::ChannelRemove,
+    ) {
+        self.channels.remove(&channel_remove.get_channel_id());
+        self.update_channel_parents();
+    }
+
+    pub fn update_channel_parents(&mut self) {
+        // Zero out existing children
+        for state in self.channels.values_mut() {
+            state.children.clear();
+        }
+
+        let mut to_sort: Vec<(ChannelId, Option<ChannelId>, i32, String)> = Vec::new();
+        for (id, state) in self.channels.iter() {
+            // Handle channels with no parent (the root channel)
+            let Some(parent_id) = state.parent else {
+                to_sort.push((*id, None, 0, state.name.clone()));
+                continue;
+            };
+
+            // If a channel has a parent that we haven't gotten a channel
+            // state packet for, ignore it
+            if !self.channels.contains_key(&parent_id) {
+                continue;
+            }
+
+            to_sort.push((*id, Some(parent_id), state.position, state.name.clone()));
+        }
+
+        let pos_name: HashMap<ChannelId, (i32, String)> = self
+            .channels
+            .iter()
+            .map(|(&id, state)| (id, (state.position, state.name.clone())))
+            .collect();
+
+        let mut updated: HashSet<ChannelId> = HashSet::new();
+
+        while updated.len() < to_sort.len() {
+            for &(id, ref parent_id, position, ref name) in &to_sort {
+                let Some(parent_id) = parent_id else {
+                    updated.insert(id);
+                    continue;
+                };
+
+                if updated.contains(&id) || !updated.contains(&parent_id) {
+                    continue;
+                }
+
+                // Unwrap should never fail here since we pre filter
+                let parent = self.channels.get_mut(&parent_id).unwrap();
+
+                let mut insert_index = parent.children.len();
+                for (i, &child) in parent.children.iter().enumerate() {
+                    let (p, ref n) = pos_name[&child];
+                    if (position == p && name < n) || p > position {
+                        insert_index = i;
+                        break;
+                    }
+                }
+
+                parent.children.insert_before(insert_index, id);
+                updated.insert(id);
+            }
+        }
+    }
+}
+
+#[derive(Default, Debug)]
+pub struct ServerState {
+    pub channels_state: ChannelsState,
+    pub users: HashMap<UserId, UserState>,
+    pub chat: Vec<Chat>,
+    pub session: Option<UserId>,
+}
+
+impl ServerState {
+    pub fn this_user(&self) -> Option<&UserState> {
+        self.users.get(&self.session?)
+    }
+}
+
+pub struct State {
+    pub status: Signal<ConnectionState>,
+    pub server: Signal<ServerState>,
+    pub audio: Signal<AudioSettings>,
+}
+
+impl fmt::Debug for State {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("State")
+            .field("status", &self.status.read())
+            .field("server", &self.server.read())
+            .finish()
+    }
+}
+
+pub type SharedState = Arc<State>;