Add script execution support via WebDriver

components/compositing/Cargo.toml

@@ -31,8 +31,8 @@ path = "../net_traits"
 [dependencies.util]
 path = "../util"
 
-[dependencies.webdriver_server]
-path = "../webdriver_server"
+[dependencies.webdriver_traits]
+path = "../webdriver_traits"
 
 [dependencies.devtools_traits]
 path = "../devtools_traits"

components/compositing/constellation.rs

@@ -39,6 +39,7 @@ use util::geometry::PagePx;
 use util::opts;
 use util::task::spawn_named;
 use clipboard::ClipboardContext;
+use webdriver_traits::WebDriverScriptCommand;
 
 /// Maintains the pipelines and navigation context and grants permission to composite.
 pub struct Constellation<LTF, STF> {
@@ -410,6 +411,12 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
                 };
                 sender.send(result).unwrap();
             }
+            ConstellationMsg::WebDriverCommandMsg(pipeline_id,
+                                                  command) => {
+                debug!("constellation got webdriver command message");
+                self.handle_webdriver_command_msg(pipeline_id,
+                                                  command);
+            }
         }
         true
     }
@@ -753,6 +760,17 @@ impl<LTF: LayoutTaskFactory, STF: ScriptTaskFactory> Constellation<LTF, STF> {
         self.focus_parent_pipeline(pipeline_id);
     }
 
+    fn handle_webdriver_command_msg(&mut self,
+                                    pipeline_id: PipelineId,
+                                    msg: WebDriverScriptCommand) {
+        // Find the script channel for the given parent pipeline,
+        // and pass the event to that script task.
+        let pipeline = self.pipeline(pipeline_id);
+        let control_msg = ConstellationControlMsg::WebDriverCommandMsg(pipeline_id, msg);
+        let ScriptControlChan(ref script_channel) = pipeline.script_chan;
+        script_channel.send(control_msg).unwrap();
+    }
+
     fn add_or_replace_pipeline_in_frame_tree(&mut self, frame_change: FrameChange) {
 
         // If the currently focused pipeline is the one being changed (or a child

components/compositing/lib.rs

@@ -27,7 +27,7 @@ extern crate net_traits;
 #[macro_use]
 extern crate util;
 extern crate gleam;
-extern crate webdriver_server;
+extern crate webdriver_traits;
 extern crate clipboard;
 
 extern crate libc;