| // 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 UI_COMPOSITOR_THROUGHPUT_TRACKER_HOST_H_ |
| #define UI_COMPOSITOR_THROUGHPUT_TRACKER_HOST_H_ |
| |
| #include "base/callback_forward.h" |
| #include "cc/metrics/frame_sequence_tracker.h" |
| #include "ui/compositor/compositor_export.h" |
| |
| namespace ui { |
| |
| // An interface for ThroughputTracker to call its host. |
| class COMPOSITOR_EXPORT ThroughputTrackerHost { |
| public: |
| using TrackerId = size_t; |
| |
| virtual ~ThroughputTrackerHost() = default; |
| |
| // Starts the tracking for the given tracker id. |callback| is invoked after |
| // the tracker is stopped and the metrics data is collected. |
| using ReportCallback = base::OnceCallback<void( |
| const cc::FrameSequenceMetrics::CustomReportData& data)>; |
| virtual void StartThroughputTracker(TrackerId tracker_id, |
| ReportCallback callback) = 0; |
| |
| // Stops the tracking for the given tracker id. |
| virtual void StopThroughtputTracker(TrackerId tracker_id) = 0; |
| |
| // Cancels the tracking for the given tracker id. |
| virtual void CancelThroughtputTracker(TrackerId tracker_id) = 0; |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_COMPOSITOR_THROUGHPUT_TRACKER_HOST_H_ |