1 files changed, 81 insertions, 0 deletions
diff --git a/components/devtools_traits/lib.rs b/components/devtools_traits/lib.rs
new file mode 100644
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+++ b/components/devtools_traits/lib.rs
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+/* 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/. */
+
+#![crate_name = "devtools_traits"]
+#![crate_type = "rlib"]
+
+#![comment = "The Servo Parallel Browser Project"]
+#![license = "MPL"]
+
+extern crate servo_msg = "msg";
+
+/// This module contains shared types and messages for use by devtools/script.
+/// The traits are here instead of in script so that the devtools crate can be
+/// modified independently of the rest of Servo.
+
+use servo_msg::constellation_msg::PipelineId;
+
+pub type DevtoolsControlChan = Sender<DevtoolsControlMsg>;
+pub type DevtoolsControlPort = Receiver<DevtoolScriptControlMsg>;
+
+/// Messages to the instruct the devtools server to update its known actors/state
+/// according to changes in the browser.
+pub enum DevtoolsControlMsg {
+    NewGlobal(PipelineId, Sender<DevtoolScriptControlMsg>),
+    ServerExitMsg
+}
+
+/// Serialized JS return values
+/// TODO: generalize this beyond the EvaluateJS message?
+pub enum EvaluateJSReply {
+    VoidValue,
+    NullValue,
+    BooleanValue(bool),
+    NumberValue(f64),
+    StringValue(String),
+    ActorValue(String),
+}
+
+pub struct AttrInfo {
+    pub namespace: String,
+    pub name: String,
+    pub value: String,
+}
+
+pub struct NodeInfo {
+    pub uniqueId: String,
+    pub baseURI: String,
+    pub parent: String,
+    pub nodeType: uint,
+    pub namespaceURI: String,
+    pub nodeName: String,
+    pub numChildren: uint,
+
+    pub name: String,
+    pub publicId: String,
+    pub systemId: String,
+
+    pub attrs: Vec<AttrInfo>,
+
+    pub isDocumentElement: bool,
+
+    pub shortValue: String,
+    pub incompleteValue: bool,
+}
+
+/// Messages to process in a particular script task, as instructed by a devtools client.
+pub enum DevtoolScriptControlMsg {
+    EvaluateJS(PipelineId, String, Sender<EvaluateJSReply>),
+    GetRootNode(PipelineId, Sender<NodeInfo>),
+    GetDocumentElement(PipelineId, Sender<NodeInfo>),
+    GetChildren(PipelineId, String, Sender<Vec<NodeInfo>>),
+    GetLayout(PipelineId, String, Sender<(f32, f32)>),
+}
+
+/// Messages to instruct devtools server to update its state relating to a particular
+/// tab.
+pub enum ScriptDevtoolControlMsg {
+    /// Report a new JS error message
+    ReportConsoleMsg(String),
+}