// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_PUBLIC_COMMON_METRICS_DOCUMENT_UPDATE_REASON_H_
#define THIRD_PARTY_BLINK_PUBLIC_COMMON_METRICS_DOCUMENT_UPDATE_REASON_H_

#include <stdint.h>

namespace blink {

// An enum class with the reasons for requesting a document lifecycle update
// or an update to style and layout. Used to attribute work in the renderer
// to particular code modules in metrics, to guide work on improving the
// platform and to help identify the cause of performance regressions or
// improvements.

enum class DocumentUpdateReason {
  kAccessibility,
  kBaseColor,
  kBaseSelect,
  kBeginMainFrame,
  kCanvas,
  kCanvasDrawElementImage,
  kComputedStyle,
  kContextMenu,
  kDisplayLock,
  kViewTransition,
  kDragImage,
  kEditing,
  kFindInPage,
  kFocus,
  kFocusgroup,
  kForm,
  kHitTest,
  kInput,
  kInspector,
  kIntersectionObservation,
  kJavaScript,
  kOverlay,
  kPagePopup,
  kPlugin,
  kPopover,
  kPrerender,
  kPrinting,
  kScroll,
  kSelection,
  kSizeChange,
  kSpatialNavigation,
  kSpellCheck,
  kSMILAnimation,
  kSVGImage,
  kTapHighlight,
  kTest,
  kWebAnimation,
  kUnknown
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_PUBLIC_COMMON_METRICS_DOCUMENT_UPDATE_REASON_H_