| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // 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, |
| kBeginMainFrame, |
| kCanvas, |
| kContextMenu, |
| kDisplayLock, |
| kDragImage, |
| kEditing, |
| kFindInPage, |
| kFocus, |
| kForm, |
| kHitTest, |
| kInput, |
| kInspector, |
| kIntersectionObservation, |
| kJavaScript, |
| kOverlay, |
| kPagePopup, |
| kPlugin, |
| kPrinting, |
| kScroll, |
| kSelection, |
| kSizeChange, |
| kSpatialNavigation, |
| kSpellCheck, |
| kSVGImage, |
| kTapHighlight, |
| kTest, |
| kUnknown |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_PUBLIC_COMMON_METRICS_DOCUMENT_UPDATE_REASON_H_ |
