Split devtools implementation into sensible modules.

components/devtools/actors/root.rs

@@ -0,0 +1,96 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/// Liberally derived from the [Firefox JS implementation](http://mxr.mozilla.org/mozilla-central/source/toolkit/devtools/server/actors/root.js).
+/// Connection point for all new remote devtools interactions, providing lists of know actors
+/// that perform more specific actions (tabs, addons, browser chrome, etc.)
+
+use actor::{Actor, ActorRegistry};
+use actors::tab::{TabActor, TabActorMsg};
+use protocol::JsonPacketSender;
+
+use serialize::json;
+use std::io::TcpStream;
+
+#[deriving(Encodable)]
+struct ActorTraits {
+    sources: bool
+}
+
+#[deriving(Encodable)]
+struct ErrorReply {
+    from: String,
+    error: String,
+    message: String,
+}
+
+#[deriving(Encodable)]
+struct ListTabsReply {
+    from: String,
+    selected: uint,
+    tabs: Vec<TabActorMsg>,
+}
+
+#[deriving(Encodable)]
+struct RootActorMsg {
+    from: String,
+    applicationType: String,
+    traits: ActorTraits,
+}
+
+pub struct RootActor {
+    pub next: u32,
+    pub tabs: Vec<String>,
+}
+
+impl Actor for RootActor {
+    fn name(&self) -> String {
+        "root".to_string()
+    }
+
+    fn handle_message(&self,
+                      registry: &ActorRegistry,
+                      msg_type: &String,
+                      _msg: &json::Object,
+                      stream: &mut TcpStream) -> bool {
+        match msg_type.as_slice() {
+            "listAddons" => {
+                let actor = ErrorReply {
+                    from: "root".to_string(),
+                    error: "noAddons".to_string(),
+                    message: "This root actor has no browser addons.".to_string(),
+                };
+                stream.write_json_packet(&actor);
+                true
+            }
+
+            //https://wiki.mozilla.org/Remote_Debugging_Protocol#Listing_Browser_Tabs
+            "listTabs" => {
+                let actor = ListTabsReply {
+                    from: "root".to_string(),
+                    selected: 0,
+                    tabs: self.tabs.iter().map(|tab| {
+                        registry.find::<TabActor>(tab.as_slice()).encodable()
+                    }).collect()
+                };
+                stream.write_json_packet(&actor);
+                true
+            }
+
+            _ => false
+        }
+    }
+}
+
+impl RootActor {
+    pub fn encodable(&self) -> RootActorMsg {
+        RootActorMsg {
+            from: "root".to_string(),
+            applicationType: "browser".to_string(),
+            traits: ActorTraits {
+                sources: true,
+            },
+        }
+    }
+}