For #15368 - Adds telemetry for fullscreen, pip (#16833)

app/metrics.yaml

@@ -2932,6 +2932,32 @@ media_state:
     notification_emails:
       - fenix-core@mozilla.com
     expires: "2021-08-01"
+  fullscreen:
+    type: event
+    description: |
+      Video set to fullscreen.
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/15368
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/16833
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - fenix-core@mozilla.com
+    expires: "2021-08-01"
+  picture_in_picture:
+    type: event
+    description: |
+      Video set to picture in picture mode.
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/15368
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/16833
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - fenix-core@mozilla.com
+    expires: "2021-08-01"
 
 logins:
   open_logins:

app/src/main/java/org/mozilla/fenix/browser/BaseBrowserFragment.kt

@@ -1185,6 +1185,7 @@ abstract class BaseBrowserFragment : Fragment(), UserInteractionHandler,
     }
 
     final override fun onPictureInPictureModeChanged(enabled: Boolean) {
+        if (enabled) requireComponents.analytics.metrics.track(Event.MediaPictureInPictureState)
         pipFeature?.onPictureInPictureModeChanged(enabled)
     }
 
@@ -1217,6 +1218,8 @@ abstract class BaseBrowserFragment : Fragment(), UserInteractionHandler,
             browserToolbarView.expand()
             // Without this, fullscreen has a margin at the top.
             engineView.setVerticalClipping(0)
+
+            requireComponents.analytics.metrics.track(Event.MediaFullscreenState)
         } else {
             activity?.exitImmersiveModeIfNeeded()
             (activity as? HomeActivity)?.let { activity ->

app/src/main/java/org/mozilla/fenix/components/metrics/Event.kt

@@ -106,6 +106,8 @@ sealed class Event {
     object MediaPlayState : Event()
     object MediaPauseState : Event()
     object MediaStopState : Event()
+    object MediaFullscreenState : Event()
+    object MediaPictureInPictureState : Event()
     object InAppNotificationDownloadOpen : Event()
     object InAppNotificationDownloadTryAgain : Event()
     object NotificationDownloadCancel : Event()

app/src/main/java/org/mozilla/fenix/components/metrics/GleanMetricsService.kt

@@ -404,6 +404,12 @@ private val Event.wrapper: EventWrapper<*>?
         is Event.MediaStopState -> EventWrapper<NoExtraKeys>(
             { MediaState.stop.record(it) }
         )
+        is Event.MediaFullscreenState -> EventWrapper<NoExtraKeys>(
+            { MediaState.fullscreen.record(it) }
+        )
+        is Event.MediaPictureInPictureState -> EventWrapper<NoExtraKeys>(
+            { MediaState.pictureInPicture.record(it) }
+        )
         is Event.InAppNotificationDownloadOpen -> EventWrapper<NoExtraKeys>(
             { DownloadNotification.inAppOpen.record(it) }
         )

docs/metrics.md

@@ -134,7 +134,9 @@ The following metrics are added to the ping:
 | master_password.migration |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Logins were successfully migrated using a master password.  |[1](https://github.com/mozilla-mobile/fenix/pull/14468#issuecomment-684114534)||2021-03-01 |2 |
 | media_notification.pause |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the pause icon on the media notification  |[1](https://github.com/mozilla-mobile/fenix/pull/5520), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
 | media_notification.play |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |A user pressed the play icon on the media notification  |[1](https://github.com/mozilla-mobile/fenix/pull/5520), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
+| media_state.fullscreen |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Video set to fullscreen.  |[1](https://github.com/mozilla-mobile/fenix/issues/15368)||2021-08-01 |2 |
 | media_state.pause |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Media playback was paused.  |[1](https://github.com/mozilla-mobile/fenix/pull/6463), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
+| media_state.picture_in_picture |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Video set to picture in picture mode.  |[1](https://github.com/mozilla-mobile/fenix/issues/15368)||2021-08-01 |2 |
 | media_state.play |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Media started playing.  |[1](https://github.com/mozilla-mobile/fenix/pull/6463), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
 | media_state.stop |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |Media playback has ended.  |[1](https://github.com/mozilla-mobile/fenix/pull/6463), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |
 | onboarding.finish |[event](https://mozilla.github.io/glean/book/user/metrics/event.html) |The user taps starts browsing and ends the onboarding experience. |[1](https://github.com/mozilla-mobile/fenix/pull/11867), [2](https://github.com/mozilla-mobile/fenix/pull/15713#issuecomment-703972068)||2021-08-01 |2 |