1 files changed, 58 insertions, 0 deletions
diff --git a/docshell/base/timeline/ConsoleTimelineMarker.h b/docshell/base/timeline/ConsoleTimelineMarker.h
new file mode 100644
index 0000000000..f397830c2d
--- /dev/null
+++ b/docshell/base/timeline/ConsoleTimelineMarker.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_ConsoleTimelineMarker_h_
+#define mozilla_ConsoleTimelineMarker_h_
+
+#include "TimelineMarker.h"
+#include "mozilla/dom/ProfileTimelineMarkerBinding.h"
+
+namespace mozilla {
+
+class ConsoleTimelineMarker : public TimelineMarker
+{
+public:
+  ConsoleTimelineMarker(const nsAString& aCause,
+                        MarkerTracingType aTracingType)
+    : TimelineMarker("ConsoleTime", aTracingType)
+    , mCause(aCause)
+  {
+    // Stack is captured by default on the "start" marker. Explicitly also
+    // capture stack on the "end" marker.
+    if (aTracingType == MarkerTracingType::END) {
+      CaptureStack();
+    }
+  }
+
+  virtual bool Equals(const AbstractTimelineMarker& aOther) override
+  {
+    if (!TimelineMarker::Equals(aOther)) {
+      return false;
+    }
+    // Console markers must have matching causes as well. It is safe to perform
+    // a static_cast here as the previous equality check ensures that this is
+    // a console marker instance.
+    return mCause == static_cast<const ConsoleTimelineMarker*>(&aOther)->mCause;
+  }
+
+  virtual void AddDetails(JSContext* aCx, dom::ProfileTimelineMarker& aMarker) override
+  {
+    TimelineMarker::AddDetails(aCx, aMarker);
+
+    if (GetTracingType() == MarkerTracingType::START) {
+      aMarker.mCauseName.Construct(mCause);
+    } else {
+      aMarker.mEndStack = GetStack();
+    }
+  }
+
+private:
+  nsString mCause;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_ConsoleTimelineMarker_h_