| // Copyright 2014 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 CC_TREES_PROXY_TIMING_HISTORY_H_ |
| #define CC_TREES_PROXY_TIMING_HISTORY_H_ |
| |
| #include "cc/base/rolling_time_delta_history.h" |
| |
| namespace cc { |
| |
| class ProxyTimingHistory { |
| public: |
| ProxyTimingHistory(); |
| ~ProxyTimingHistory(); |
| |
| base::TimeDelta DrawDurationEstimate() const; |
| base::TimeDelta BeginMainFrameToCommitDurationEstimate() const; |
| base::TimeDelta CommitToActivateDurationEstimate() const; |
| |
| void DidBeginMainFrame(); |
| void DidCommit(); |
| void DidActivatePendingTree(); |
| void DidStartDrawing(); |
| // Returns draw duration. |
| base::TimeDelta DidFinishDrawing(); |
| |
| protected: |
| RollingTimeDeltaHistory draw_duration_history_; |
| RollingTimeDeltaHistory begin_main_frame_to_commit_duration_history_; |
| RollingTimeDeltaHistory commit_to_activate_duration_history_; |
| |
| base::TimeTicks begin_main_frame_sent_time_; |
| base::TimeTicks commit_complete_time_; |
| base::TimeTicks start_draw_time_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_TREES_PROXY_TIMING_HISTORY_H_ |