1 files changed, 49 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/actions/tracing.js b/devtools/client/debugger/src/actions/tracing.js
new file mode 100644
index 0000000000..9cbe7bc20e
--- /dev/null
+++ b/devtools/client/debugger/src/actions/tracing.js
@@ -0,0 +1,49 @@
+/* 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/>. */
+
+import { getIsThreadCurrentlyTracing, getAllThreads } from "../selectors";
+import { PROMISE } from "./utils/middleware/promise";
+
+/**
+ * Toggle ON/OFF Javascript tracing for all targets,
+ * using the specified log method.
+ *
+ * @param {string} logMethod
+ *        Can be "stdout" or "console". See TracerActor.
+ */
+export function toggleTracing(logMethod) {
+  return async ({ dispatch, getState, client, panel }) => {
+    // Check if any of the thread is currently tracing.
+    // For now, the UI can only toggle all the targets all at once.
+    const threads = getAllThreads(getState());
+    const isTracingEnabled = threads.some(thread =>
+      getIsThreadCurrentlyTracing(getState(), thread.actor)
+    );
+
+    // Automatically open the split console when enabling tracing to the console
+    if (!isTracingEnabled && logMethod == "console") {
+      await panel.toolbox.openSplitConsole({ focusConsoleInput: false });
+    }
+
+    return dispatch({
+      type: "TOGGLE_TRACING",
+      [PROMISE]: isTracingEnabled
+        ? client.stopTracing()
+        : client.startTracing(logMethod),
+    });
+  };
+}
+
+/**
+ * Called when tracing is toggled ON/OFF on a particular thread.
+ */
+export function tracingToggled(thread, enabled) {
+  return ({ dispatch }) => {
+    dispatch({
+      type: "TRACING_TOGGLED",
+      thread,
+      enabled,
+    });
+  };
+}