docshell/base/timeline/LayerTimelineMarker.h
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 30 Nov 2018 11:46:48 +0100
changeset 448947 6f3709b3878117466168c40affa7bca0b60cf75b
parent 281825 03e0cf7f8a0e9e40d81b7ad196ef22c3cfa6a29b
permissions -rw-r--r--
Bug 1511181 - Reformat everything to the Google coding style r=ehsan a=clang-format # ignore-this-changeset

/* -*- 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_