4 files changed, 71 insertions, 1 deletions
diff --git a/components/devtools/actors/breakpoint.rs b/components/devtools/actors/breakpoint.rs
new file mode 100644
index 00000000000..04f2de140b4
--- /dev/null
+++ b/components/devtools/actors/breakpoint.rs
@@ -0,0 +1,55 @@
+/* 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 https://mozilla.org/MPL/2.0/. */
+
+use serde::Serialize;
+
+use crate::EmptyReplyMsg;
+use crate::actor::{Actor, ActorMessageStatus};
+use crate::protocol::JsonPacketStream;
+
+#[derive(Serialize)]
+pub struct BreakpointListActorMsg {
+    actor: String,
+}
+
+pub struct BreakpointListActor {
+    name: String,
+}
+
+impl Actor for BreakpointListActor {
+    fn name(&self) -> String {
+        self.name.clone()
+    }
+
+    fn handle_message(
+        &self,
+        _registry: &crate::actor::ActorRegistry,
+        msg_type: &str,
+        _msg: &serde_json::Map<String, serde_json::Value>,
+        stream: &mut std::net::TcpStream,
+        _stream_id: crate::StreamId,
+    ) -> Result<crate::actor::ActorMessageStatus, ()> {
+        Ok(match msg_type {
+            "setBreakpoint" => {
+                let msg = EmptyReplyMsg { from: self.name() };
+                let _ = stream.write_json_packet(&msg);
+
+                ActorMessageStatus::Processed
+            },
+            "setActiveEventBreakpoints" => {
+                let msg = EmptyReplyMsg { from: self.name() };
+                let _ = stream.write_json_packet(&msg);
+
+                ActorMessageStatus::Processed
+            },
+            _ => ActorMessageStatus::Ignored,
+        })
+    }
+}
+
+impl BreakpointListActor {
+    pub fn new(name: String) -> Self {
+        Self { name }
+    }
+}
diff --git a/components/devtools/actors/browsing_context.rs b/components/devtools/actors/browsing_context.rs
index 81a00e82d47..fc5116131a0 100644
--- a/components/devtools/actors/browsing_context.rs
+++ b/components/devtools/actors/browsing_context.rs
@@ -82,6 +82,13 @@ struct BrowsingContextTraits {
 }
 
 #[derive(Serialize)]
+#[serde(rename_all = "lowercase")]
+enum TargetType {
+    Frame,
+    // Other target types not implemented yet.
+}
+
+#[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct BrowsingContextActorMsg {
     actor: String,
@@ -104,6 +111,7 @@ pub struct BrowsingContextActorMsg {
     reflow_actor: String,
     style_sheets_actor: String,
     thread_actor: String,
+    target_type: TargetType,
     // Part of the official protocol, but not yet implemented.
     // animations_actor: String,
     // changes_actor: String,
@@ -302,6 +310,7 @@ impl BrowsingContextActor {
             reflow_actor: self.reflow.clone(),
             style_sheets_actor: self.style_sheets.clone(),
             thread_actor: self.thread.clone(),
+            target_type: TargetType::Frame,
         }
     }
 
diff --git a/components/devtools/actors/watcher.rs b/components/devtools/actors/watcher.rs
index 061ffc92336..7720daf070d 100644
--- a/components/devtools/actors/watcher.rs
+++ b/components/devtools/actors/watcher.rs
@@ -19,6 +19,7 @@ use serde::Serialize;
 use serde_json::{Map, Value};
 
 use self::network_parent::{NetworkParentActor, NetworkParentActorMsg};
+use super::breakpoint::BreakpointListActor;
 use super::thread::ThreadActor;
 use super::worker::WorkerMsg;
 use crate::actor::{Actor, ActorMessageStatus, ActorRegistry};
@@ -362,10 +363,14 @@ impl Actor for WatcherActor {
                 ActorMessageStatus::Processed
             },
             "getBreakpointListActor" => {
+                let breakpoint_list_name = registry.new_name("breakpoint-list");
+                let breakpoint_list = BreakpointListActor::new(breakpoint_list_name.clone());
+                registry.register_later(Box::new(breakpoint_list));
+
                 let _ = stream.write_json_packet(&GetBreakpointListActorReply {
                     from: self.name(),
                     breakpoint_list: GetBreakpointListActorReplyInner {
-                        actor: registry.new_name("breakpoint-list"),
+                        actor: breakpoint_list_name,
                     },
                 });
                 ActorMessageStatus::Processed
diff --git a/components/devtools/lib.rs b/components/devtools/lib.rs
index d097cb25e9d..74a45eaf866 100644
--- a/components/devtools/lib.rs
+++ b/components/devtools/lib.rs
@@ -53,6 +53,7 @@ use crate::protocol::JsonPacketStream;
 mod actor;
 /// <https://searchfox.org/mozilla-central/source/devtools/server/actors>
 mod actors {
+    pub mod breakpoint;
     pub mod browsing_context;
     pub mod console;
     pub mod device;