1 files changed, 55 insertions, 0 deletions
diff --git a/devtools/server/actors/perf.js b/devtools/server/actors/perf.js
new file mode 100644
index 0000000000..7b157a599c
--- /dev/null
+++ b/devtools/server/actors/perf.js
@@ -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 http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+const protocol = require("resource://devtools/shared/protocol.js");
+const { ActorClassWithSpec, Actor } = protocol;
+const {
+  actorBridgeWithSpec,
+} = require("resource://devtools/server/actors/common.js");
+const { perfSpec } = require("resource://devtools/shared/specs/perf.js");
+const {
+  ActorReadyGeckoProfilerInterface,
+} = require("resource://devtools/shared/performance-new/gecko-profiler-interface.js");
+
+/**
+ * Pass on the events from the bridge to the actor.
+ * @param {Object} actor The perf actor
+ * @param {Array<string>} names The event names
+ */
+function _bridgeEvents(actor, names) {
+  for (const name of names) {
+    actor.bridge.on(name, (...args) => actor.emit(name, ...args));
+  }
+}
+
+/**
+ * The PerfActor wraps the Gecko Profiler interface
+ */
+exports.PerfActor = ActorClassWithSpec(perfSpec, {
+  initialize(conn, targetActor) {
+    Actor.prototype.initialize.call(this, conn);
+    // The "bridge" is the actual implementation of the actor. It is separated
+    // for historical reasons, and could be merged into this class.
+    this.bridge = new ActorReadyGeckoProfilerInterface();
+
+    _bridgeEvents(this, ["profiler-started", "profiler-stopped"]);
+  },
+
+  destroy(conn) {
+    Actor.prototype.destroy.call(this, conn);
+    this.bridge.destroy();
+  },
+
+  // Connect the rest of the ActorReadyGeckoProfilerInterface's methods to the PerfActor.
+  startProfiler: actorBridgeWithSpec("startProfiler"),
+  stopProfilerAndDiscardProfile: actorBridgeWithSpec(
+    "stopProfilerAndDiscardProfile"
+  ),
+  getSymbolTable: actorBridgeWithSpec("getSymbolTable"),
+  getProfileAndStopProfiler: actorBridgeWithSpec("getProfileAndStopProfiler"),
+  isActive: actorBridgeWithSpec("isActive"),
+  isSupportedPlatform: actorBridgeWithSpec("isSupportedPlatform"),
+  getSupportedFeatures: actorBridgeWithSpec("getSupportedFeatures"),
+});