| // 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 CHROME_BROWSER_ANDROID_VR_SHELL_VR_USAGE_MONITOR_H_ |
| #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_USAGE_MONITOR_H_ |
| |
| #include <memory> |
| |
| #include "base/time/time.h" |
| #include "chrome/browser/vr/mode.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "services/metrics/public/cpp/ukm_source_id.h" |
| |
| namespace vr_shell { |
| |
| // SessionTimer will monitor the time between calls to StartSession and |
| // StopSession. It will combine multiple segments into a single session if they |
| // are sufficiently close in time. It will also only include segments if they |
| // are sufficiently long. |
| // Because the session may be extended, the accumulated time is occasionally |
| // sent on destruction or when a new session begins. |
| class SessionTimer { |
| public: |
| virtual ~SessionTimer() {} |
| |
| void StartSession(base::Time start_time); |
| void StopSession(bool continuable, base::Time stop_time); |
| |
| protected: |
| SessionTimer() {} |
| |
| virtual void SendAccumulatedSessionTime() = 0; |
| |
| base::Time start_time_; |
| base::Time stop_time_; |
| base::TimeDelta accumulated_time_; |
| |
| // config members: |
| // time between stop and start to count as same session |
| base::TimeDelta maximum_session_gap_time_; |
| |
| // minimum time between start and stop to add to duration |
| base::TimeDelta minimum_duration_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SessionTimer); |
| }; |
| |
| // This class is not thread-safe and must only be used from the main thread. |
| class VrMetricsHelper : public content::WebContentsObserver { |
| public: |
| VrMetricsHelper(content::WebContents* contents, |
| vr::Mode initial_mode, |
| bool started_with_autopresentation); |
| ~VrMetricsHelper() override; |
| |
| void SetWebVREnabled(bool is_webvr_presenting); |
| void SetVRActive(bool is_vr_enabled); |
| void RecordVoiceSearchStarted(); |
| |
| private: |
| // WebContentObserver |
| void MediaStartedPlaying(const MediaPlayerInfo& media_info, |
| const MediaPlayerId&) override; |
| void MediaStoppedPlaying( |
| const MediaPlayerInfo& media_info, |
| const MediaPlayerId&, |
| WebContentsObserver::MediaStoppedReason reason) override; |
| void DidStartNavigation(content::NavigationHandle* handle) override; |
| void DidFinishNavigation(content::NavigationHandle* handle) override; |
| void DidToggleFullscreenModeForTab(bool entered_fullscreen, |
| bool will_cause_resize) override; |
| |
| void SetVrMode(vr::Mode mode); |
| void UpdateMode(); |
| |
| std::unique_ptr<SessionTimer> mode_video_timer_; |
| std::unique_ptr<SessionTimer> session_video_timer_; |
| std::unique_ptr<SessionTimer> mode_timer_; |
| std::unique_ptr<SessionTimer> session_timer_; |
| |
| vr::Mode mode_ = vr::Mode::kNoVr; |
| |
| // The last collected source id |
| ukm::SourceId last_source_id_; |
| base::Time time_on_page_start_; |
| |
| // state that gets translated into vr_mode: |
| bool is_fullscreen_ = false; |
| bool is_webvr_ = false; |
| bool is_vr_enabled_ = false; |
| bool started_with_autopresentation_ = false; |
| |
| int num_videos_playing_ = 0; |
| int num_session_navigation_ = 0; |
| int num_session_video_playback_ = 0; |
| int num_voice_search_started_ = 0; |
| |
| GURL origin_; |
| }; |
| |
| } // namespace vr_shell |
| |
| #endif // CHROME_BROWSER_ANDROID_VR_SHELL_VR_USAGE_MONITOR_H_ |