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-rw-r--r--docshell/base/timeline/LayerTimelineMarker.h43
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diff --git a/docshell/base/timeline/LayerTimelineMarker.h b/docshell/base/timeline/LayerTimelineMarker.h
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+++ b/docshell/base/timeline/LayerTimelineMarker.h
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+/* -*- 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_LayerTimelineMarker_h_
+#define mozilla_LayerTimelineMarker_h_
+
+#include "TimelineMarker.h"
+#include "mozilla/dom/ProfileTimelineMarkerBinding.h"
+#include "nsRegion.h"
+
+namespace mozilla {
+
+class LayerTimelineMarker : public TimelineMarker
+{
+public:
+ explicit LayerTimelineMarker(const nsIntRegion& aRegion)
+ : TimelineMarker("Layer", MarkerTracingType::HELPER_EVENT)
+ , mRegion(aRegion)
+ {}
+
+ void AddLayerRectangles(dom::Sequence<dom::ProfileTimelineLayerRect>& aRectangles)
+ {
+ for (auto iter = mRegion.RectIter(); !iter.Done(); iter.Next()) {
+ const nsIntRect& iterRect = iter.Get();
+ dom::ProfileTimelineLayerRect rect;
+ rect.mX = iterRect.X();
+ rect.mY = iterRect.Y();
+ rect.mWidth = iterRect.Width();
+ rect.mHeight = iterRect.Height();
+ aRectangles.AppendElement(rect, fallible);
+ }
+ }
+
+private:
+ nsIntRegion mRegion;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_LayerTimelineMarker_h_