| // Copyright 2015 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 CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_UMA_HELPER_H_ |
| #define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_UMA_HELPER_H_ |
| |
| #include <memory> |
| |
| #include "base/time/clock.h" |
| #include "content/common/content_export.h" |
| |
| namespace base { |
| class TickClock; |
| } // base namespace |
| |
| namespace content { |
| |
| class CONTENT_EXPORT MediaSessionUmaHelper { |
| public: |
| // This is used for UMA histogram (Media.Session.Suspended). New values should |
| // be appended only and must be added before |Count|. |
| enum class MediaSessionSuspendedSource { |
| SystemTransient = 0, |
| SystemPermanent = 1, |
| UI = 2, |
| CONTENT = 3, |
| SystemTransientDuck = 4, |
| kMaxValue = SystemTransientDuck, |
| }; |
| |
| // Extended enum to media_session::mojom::MediaSessionAction, distinguishing |
| // default action handling. |
| enum class MediaSessionUserAction { |
| Play = 0, |
| PlayDefault = 1, |
| Pause = 2, |
| PauseDefault = 3, |
| StopDefault = 4, |
| PreviousTrack = 5, |
| NextTrack = 6, |
| SeekBackward = 7, |
| SeekForward = 8, |
| kMaxValue = SeekForward, |
| }; |
| |
| MediaSessionUmaHelper(); |
| ~MediaSessionUmaHelper(); |
| |
| static void RecordMediaSessionUserAction(MediaSessionUserAction action); |
| |
| void RecordSessionSuspended(MediaSessionSuspendedSource source) const; |
| |
| // Record the result of calling the native requestAudioFocus(). |
| void RecordRequestAudioFocusResult(bool result) const; |
| |
| void OnSessionActive(); |
| void OnSessionSuspended(); |
| void OnSessionInactive(); |
| |
| void SetClockForTest(const base::TickClock* testing_clock); |
| |
| private: |
| base::TimeDelta total_active_time_; |
| base::TimeTicks current_active_time_; |
| const base::TickClock* clock_; |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_UMA_HELPER_H_ |