| // Copyright 2016 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 CSSTiming_h |
| #define CSSTiming_h |
| |
| #include "core/dom/Document.h" |
| #include "platform/Supplementable.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/wtf/Noncopyable.h" |
| |
| namespace blink { |
| |
| class PaintTiming; |
| |
| class CSSTiming : public GarbageCollectedFinalized<CSSTiming>, |
| public Supplement<Document> { |
| WTF_MAKE_NONCOPYABLE(CSSTiming); |
| USING_GARBAGE_COLLECTED_MIXIN(CSSTiming); |
| |
| public: |
| virtual ~CSSTiming() {} |
| |
| void RecordAuthorStyleSheetParseTime(double seconds); |
| void RecordUpdateDuration(double seconds); |
| |
| double AuthorStyleSheetParseDurationBeforeFCP() const { |
| return parse_time_before_fcp_; |
| } |
| |
| double UpdateDurationBeforeFCP() const { return update_time_before_fcp_; } |
| |
| static CSSTiming& From(Document&); |
| DECLARE_VIRTUAL_TRACE(); |
| |
| private: |
| explicit CSSTiming(Document&); |
| |
| double parse_time_before_fcp_ = 0; |
| double update_time_before_fcp_ = 0; |
| |
| Member<PaintTiming> paint_timing_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CSSTiming_h |