Split devtools implementation into sensible modules.

components/devtools/actors/tab.rs

@@ -0,0 +1,108 @@
+/* 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/webbrowser.js).
+/// Connection point for remote devtools that wish to investigate a particular tab's contents.
+/// Supports dynamic attaching and detaching which control notifications of navigation, etc.
+
+use actor::{Actor, ActorRegistry};
+use protocol::JsonPacketSender;
+
+use serialize::json;
+use std::io::TcpStream;
+
+#[deriving(Encodable)]
+struct TabTraits;
+
+#[deriving(Encodable)]
+struct TabAttachedReply {
+    from: String,
+    __type__: String,
+    threadActor: String,
+    cacheDisabled: bool,
+    javascriptEnabled: bool,
+    traits: TabTraits,
+}
+
+#[deriving(Encodable)]
+struct TabDetachedReply {
+    from: String,
+    __type__: String,
+}
+
+#[deriving(Encodable)]
+struct ReconfigureReply {
+    from: String
+}
+
+#[deriving(Encodable)]
+pub struct TabActorMsg {
+    actor: String,
+    title: String,
+    url: String,
+    outerWindowID: uint,
+    consoleActor: String,
+}
+
+pub struct TabActor {
+    pub name: String,
+    pub title: String,
+    pub url: String,
+}
+
+impl Actor for TabActor {
+    fn name(&self) -> String {
+        self.name.clone()
+    }
+
+    fn handle_message(&self,
+                      _registry: &ActorRegistry,
+                      msg_type: &String,
+                      _msg: &json::Object,
+                      stream: &mut TcpStream) -> bool {
+        match msg_type.as_slice() {
+            "reconfigure" => {
+                stream.write_json_packet(&ReconfigureReply { from: self.name() });
+                true
+            }
+
+            // https://wiki.mozilla.org/Remote_Debugging_Protocol#Listing_Browser_Tabs
+            // (see "To attach to a _tabActor_")
+            "attach" => {
+                let msg = TabAttachedReply {
+                    from: self.name(),
+                    __type__: "tabAttached".to_string(),
+                    threadActor: self.name(),
+                    cacheDisabled: false,
+                    javascriptEnabled: true,
+                    traits: TabTraits,
+                };
+                stream.write_json_packet(&msg);
+                true
+            }
+
+            "detach" => {
+                let msg = TabDetachedReply {
+                    from: self.name(),
+                    __type__: "detached".to_string(),
+                };
+                stream.write_json_packet(&msg);
+                true
+            }
+            _ => false
+        }
+    }
+}
+
+impl TabActor {
+    pub fn encodable(&self) -> TabActorMsg {
+        TabActorMsg {
+            actor: self.name(),
+            title: self.title.clone(),
+            url: self.url.clone(),
+            outerWindowID: 0, //FIXME: this should probably be the pipeline id
+            consoleActor: "console0".to_string(), //FIXME: this should be the actual actor name
+        }
+    }
+}