From 9ccf7c0a57a7aa6dfd22bdd946cdf0fd14307e18 Mon Sep 17 00:00:00 2001
From: codehag <yulia.startsev@gmail.com>
Date: Sun, 14 Oct 2018 19:26:47 +0200
Subject: [PATCH] DevTools - add Emulation Actor

---
 .../devtools/actors/browsing_context.rs       |  3 ++
 components/devtools/actors/emulation.rs       | 35 +++++++++++++++++++
 components/devtools/lib.rs                    | 10 +++++-
 3 files changed, 47 insertions(+), 1 deletion(-)
 create mode 100644 components/devtools/actors/emulation.rs

diff --git a/components/devtools/actors/browsing_context.rs b/components/devtools/actors/browsing_context.rs
index 13e304eceffa..2c8589a9ddaf 100644
--- a/components/devtools/actors/browsing_context.rs
+++ b/components/devtools/actors/browsing_context.rs
@@ -72,6 +72,7 @@ pub struct BrowsingContextActorMsg {
     url: String,
     outerWindowID: u32,
     consoleActor: String,
+    emulationActor: String,
     inspectorActor: String,
     timelineActor: String,
     profilerActor: String,
@@ -84,6 +85,7 @@ pub struct BrowsingContextActor {
     pub title: String,
     pub url: String,
     pub console: String,
+    pub emulation: String,
     pub inspector: String,
     pub timeline: String,
     pub profiler: String,
@@ -192,6 +194,7 @@ impl BrowsingContextActor {
             url: self.url.clone(),
             outerWindowID: 0, //FIXME: this should probably be the pipeline id
             consoleActor: self.console.clone(),
+            emulationActor: self.emulation.clone(),
             inspectorActor: self.inspector.clone(),
             timelineActor: self.timeline.clone(),
             profilerActor: self.profiler.clone(),
diff --git a/components/devtools/actors/emulation.rs b/components/devtools/actors/emulation.rs
new file mode 100644
index 000000000000..3ab156791e06
--- /dev/null
+++ b/components/devtools/actors/emulation.rs
@@ -0,0 +1,35 @@
+/* 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/. */
+
+use actor::{Actor, ActorMessageStatus, ActorRegistry};
+use serde_json::{Map, Value};
+use std::net::TcpStream;
+
+pub struct EmulationActor {
+    pub name: String,
+}
+
+impl Actor for EmulationActor {
+    fn name(&self) -> String {
+        self.name.clone()
+    }
+
+    fn handle_message(
+        &self,
+        _registry: &ActorRegistry,
+        msg_type: &str,
+        _msg: &Map<String, Value>,
+        _stream: &mut TcpStream,
+    ) -> Result<ActorMessageStatus, ()> {
+        Ok(match msg_type {
+            _ => ActorMessageStatus::Ignored,
+        })
+    }
+}
+
+impl EmulationActor {
+    pub fn new(name: String) -> EmulationActor {
+        EmulationActor { name: name }
+    }
+}
diff --git a/components/devtools/lib.rs b/components/devtools/lib.rs
index 1d76fbfb457d..547f96bc4457 100644
--- a/components/devtools/lib.rs
+++ b/components/devtools/lib.rs
@@ -28,6 +28,7 @@ use actor::{Actor, ActorRegistry};
 use actors::browsing_context::BrowsingContextActor;
 use actors::console::ConsoleActor;
 use actors::device::DeviceActor;
+use actors::emulation::EmulationActor;
 use actors::framerate::FramerateActor;
 use actors::inspector::InspectorActor;
 use actors::network_event::{EventActor, NetworkEventActor, ResponseStartMsg};
@@ -60,6 +61,7 @@ mod actors {
     pub mod browsing_context;
     pub mod console;
     pub mod device;
+    pub mod emulation;
     pub mod framerate;
     pub mod inspector;
     pub mod memory;
@@ -230,13 +232,16 @@ fn run_server(
         let (pipeline, worker_id) = ids;
 
         //TODO: move all this actor creation into a constructor method on BrowsingContextActor
-        let (target, console, inspector, timeline, profiler, performance, styleSheets, thread) = {
+        let (target, console, emulation, inspector, timeline, profiler, performance, styleSheets, thread) = {
             let console = ConsoleActor {
                 name: actors.new_name("console"),
                 script_chan: script_sender.clone(),
                 pipeline: pipeline,
                 streams: RefCell::new(Vec::new()),
             };
+
+            let emulation = EmulationActor::new(actors.new_name("emulation"));
+
             let inspector = InspectorActor {
                 name: actors.new_name("inspector"),
                 walker: RefCell::new(None),
@@ -262,6 +267,7 @@ fn run_server(
                 title: String::from(title),
                 url: url.into_string(),
                 console: console.name(),
+                emulation: emulation.name(),
                 inspector: inspector.name(),
                 timeline: timeline.name(),
                 profiler: profiler.name(),
@@ -276,6 +282,7 @@ fn run_server(
             (
                 target,
                 console,
+                emulation,
                 inspector,
                 timeline,
                 profiler,
@@ -298,6 +305,7 @@ fn run_server(
         actor_pipelines.insert(pipeline, target.name.clone());
         actors.register(Box::new(target));
         actors.register(Box::new(console));
+        actors.register(Box::new(emulation));
         actors.register(Box::new(inspector));
         actors.register(Box::new(timeline));
         actors.register(Box::new(profiler));