[fenix] For https://github.com/mozilla-mobile/fenix/issues/19955 https://github.com/mozilla-mobile/fenix/issues/20393: Add telemetry for home screen recent tabs.

app/metrics.yaml

@@ -5781,3 +5781,43 @@ start_on_home:
     notification_emails:
       - android-probes@mozilla.com
     expires: "2022-06-16"
+recent_tabs:
+  show_all_clicked:
+    type: event
+    description: |
+      User has clicked show all button and opened tabs tray.
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/19955
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/20138
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - android-probes@mozilla.com
+    expires: "2022-06-23"
+  recent_tab_opened:
+    type: event
+    description: |
+      User has opened a recent tab from homescreen.
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/19955
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/20138
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - android-probes@mozilla.com
+    expires: "2022-06-23"
+  in_progress_media_tab_opened:
+    type: event
+    description: |
+      User has opened a recent tab from homescreen.
+    bugs:
+      - https://github.com/mozilla-mobile/fenix/issues/20393
+    data_reviews:
+      - https://github.com/mozilla-mobile/fenix/pull/20138
+    data_sensitivity:
+      - interaction
+    notification_emails:
+      - android-probes@mozilla.com
+    expires: "2022-06-23"

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

@@ -244,6 +244,11 @@ sealed class Event {
     object StartOnHomeEnterHomeScreen : Event()
     object StartOnHomeOpenTabsTray : Event()
 
+    // Recent tabs
+    object ShowAllRecentTabs : Event()
+    object OpenRecentTab : Event()
+    object OpenInProgressMediaTab : Event()
+
     // Interaction events with extras
 
     data class TopSiteSwipeCarousel(val page: Int) : Event() {

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

@@ -46,6 +46,7 @@ import org.mozilla.fenix.GleanMetrics.PrivateBrowsingMode
 import org.mozilla.fenix.GleanMetrics.PrivateBrowsingShortcut
 import org.mozilla.fenix.GleanMetrics.ProgressiveWebApp
 import org.mozilla.fenix.GleanMetrics.ReaderMode
+import org.mozilla.fenix.GleanMetrics.RecentTabs
 import org.mozilla.fenix.GleanMetrics.SearchShortcuts
 import org.mozilla.fenix.GleanMetrics.SearchSuggestions
 import org.mozilla.fenix.GleanMetrics.SearchWidget
@@ -849,6 +850,18 @@ private val Event.wrapper: EventWrapper<*>?
             { StartOnHome.openTabsTray.record(it) }
         )
 
+        is Event.OpenRecentTab -> EventWrapper<NoExtraKeys>(
+            { RecentTabs.recentTabOpened.record(it) }
+        )
+
+        is Event.OpenInProgressMediaTab -> EventWrapper<NoExtraKeys>(
+            { RecentTabs.inProgressMediaTabOpened.record(it) }
+        )
+
+        is Event.ShowAllRecentTabs -> EventWrapper<NoExtraKeys>(
+            { RecentTabs.showAllClicked.record(it) }
+        )
+
         // Don't record other events in Glean:
         is Event.AddBookmark -> null
         is Event.OpenedAppFirstRun -> null

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -317,7 +317,9 @@ class HomeFragment : Fragment() {
             ),
             recentTabController = DefaultRecentTabsController(
                 selectTabUseCase = components.useCases.tabsUseCases.selectTab,
-                navController = findNavController()
+                navController = findNavController(),
+                metrics = requireComponents.analytics.metrics,
+                store = components.core.store
             ),
             recentBookmarksController = DefaultRecentBookmarksController(
                 activity = activity,

app/src/main/java/org/mozilla/fenix/home/recenttabs/controller/RecentTabController.kt

@@ -5,8 +5,12 @@
 package org.mozilla.fenix.home.recenttabs.controller
 
 import androidx.navigation.NavController
+import mozilla.components.browser.state.store.BrowserStore
 import mozilla.components.feature.tabs.TabsUseCases.SelectTabUseCase
 import org.mozilla.fenix.R
+import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
+import org.mozilla.fenix.ext.inProgressMediaTab
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.home.HomeFragmentDirections
 import org.mozilla.fenix.home.recenttabs.interactor.RecentTabInteractor
@@ -35,15 +39,25 @@ interface RecentTabController {
  */
 class DefaultRecentTabsController(
     private val selectTabUseCase: SelectTabUseCase,
-    private val navController: NavController
+    private val navController: NavController,
+    private val metrics: MetricController,
+    private val store: BrowserStore
 ) : RecentTabController {
 
     override fun handleRecentTabClicked(tabId: String) {
+
+        if (tabId == store.state.inProgressMediaTab?.id) {
+            metrics.track(Event.OpenInProgressMediaTab)
+        } else {
+            metrics.track(Event.OpenRecentTab)
+        }
+
         selectTabUseCase.invoke(tabId)
         navController.navigate(R.id.browserFragment)
     }
 
     override fun handleRecentTabShowAllClicked() {
+        metrics.track(Event.ShowAllRecentTabs)
         navController.nav(
             R.id.homeFragment,
             HomeFragmentDirections.actionGlobalTabsTrayFragment()

app/src/test/java/org/mozilla/fenix/home/recenttabs/controller/RecentTabControllerTest.kt

@@ -23,6 +23,8 @@ import org.junit.Before
 import org.junit.Rule
 import org.junit.Test
 import org.mozilla.fenix.R
+import org.mozilla.fenix.components.metrics.Event
+import org.mozilla.fenix.components.metrics.MetricController
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class RecentTabControllerTest {
@@ -34,6 +36,7 @@ class RecentTabControllerTest {
 
     private val navController: NavController = mockk(relaxed = true)
     private val selectTabUseCase: TabsUseCases = mockk(relaxed = true)
+    private val metrics: MetricController = mockk(relaxed = true)
 
     private lateinit var store: BrowserStore
     private lateinit var controller: RecentTabController
@@ -45,7 +48,9 @@ class RecentTabControllerTest {
         )
         controller = spyk(DefaultRecentTabsController(
             selectTabUseCase = selectTabUseCase.selectTab,
-            navController = navController
+            navController = navController,
+            metrics = metrics,
+            store = store
         ))
 
         every { navController.currentDestination } returns mockk {
@@ -67,6 +72,7 @@ class RecentTabControllerTest {
         verify {
             selectTabUseCase.selectTab.invoke(tab.id)
             navController.navigate(R.id.browserFragment)
+            metrics.track(Event.OpenRecentTab)
         }
     }
 
@@ -79,6 +85,7 @@ class RecentTabControllerTest {
                 match<NavDirections> { it.actionId == R.id.action_global_tabsTrayFragment },
                 null
             )
+            metrics.track(Event.ShowAllRecentTabs)
         }
     }
 }