Bug 1840382 - Add experimentation flag to enable passing a channel ID to use for search

app/.experimenter.yaml

@@ -147,6 +147,17 @@ search-term-groups:
     enabled:
       type: boolean
       description: "If true, the feature shows up on the homescreen and on the new tab screen."
+search_extra_params:
+  description: A feature that provides a search engine name and a channel ID.
+  hasExposure: true
+  exposureDescription: ""
+  variables:
+    enabled:
+      type: boolean
+      description: "If true, the feature is active."
+    search_name_channel_id:
+      type: json
+      description: The search engine name and the channel ID.
 shopping-experience:
   description: A feature that shows product review quality information.
   hasExposure: true

app/nimbus.fml.yaml

@@ -342,6 +342,17 @@ features:
         value:
           enabled: true
 
+  search_extra_params:
+    description: A feature that provides a search engine name and a channel ID.
+    variables:
+      enabled:
+        description: If true, the feature is active.
+        type: Boolean
+        default: false
+      search_name_channel_id:
+        description: The search engine name and the channel ID.
+        type: Map<String, String>
+        default: {}
 types:
   objects: {}
 

app/src/main/java/org/mozilla/fenix/components/Core.kt

@@ -52,6 +52,7 @@ import mozilla.components.feature.recentlyclosed.RecentlyClosedMiddleware
 import mozilla.components.feature.recentlyclosed.RecentlyClosedTabsStorage
 import mozilla.components.feature.search.ext.createApplicationSearchEngine
 import mozilla.components.feature.search.middleware.AdsTelemetryMiddleware
+import mozilla.components.feature.search.middleware.SearchExtraParams
 import mozilla.components.feature.search.middleware.SearchMiddleware
 import mozilla.components.feature.search.region.RegionMiddleware
 import mozilla.components.feature.search.telemetry.ads.AdsTelemetry
@@ -95,6 +96,7 @@ import org.mozilla.fenix.historymetadata.DefaultHistoryMetadataService
 import org.mozilla.fenix.historymetadata.HistoryMetadataMiddleware
 import org.mozilla.fenix.historymetadata.HistoryMetadataService
 import org.mozilla.fenix.media.MediaSessionService
+import org.mozilla.fenix.nimbus.FxNimbus
 import org.mozilla.fenix.perf.StrictModeManager
 import org.mozilla.fenix.perf.lazyMonitored
 import org.mozilla.fenix.settings.SupportUtils
@@ -257,9 +259,17 @@ class Core(
                 UndoMiddleware(context.getUndoDelay()),
                 RegionMiddleware(context, locationService),
                 SearchMiddleware(
-                    context,
+                    context = context,
                     additionalBundledSearchEngineIds = listOf("reddit", "youtube"),
                     migration = SearchMigration(context),
+                    searchExtraParams =
+                    FxNimbus.features.searchExtraParams.value().searchNameChannelId
+                        .firstNotNullOfOrNull {
+                            SearchExtraParams(
+                                it.key,
+                                it.value,
+                            )
+                        },
                 ),
                 RecordingDevicesMiddleware(context, context.components.notificationsDelegate),
                 PromptMiddleware(),