Bug 1879868 - Translations Automatically Popup bottom sheet on Offer Translation

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

@@ -346,6 +346,9 @@ class BrowserFragment : BaseBrowserFragment(), UserInteractionHandler {
 
                         safeInvalidateBrowserToolbarView()
                     },
+                    onShowTranslationsDialog = {
+                        browserToolbarInteractor.onTranslationsButtonClicked()
+                    },
                 ),
                 owner = this,
                 view = view,

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

@@ -16,6 +16,7 @@ import mozilla.components.concept.engine.translate.Language
 import mozilla.components.concept.engine.translate.initialFromLanguage
 import mozilla.components.concept.engine.translate.initialToLanguage
 import mozilla.components.lib.state.helpers.AbstractBinding
+import org.mozilla.fenix.translations.TranslationDialogBottomSheet
 import org.mozilla.fenix.translations.TranslationsFlowState
 
 /**
@@ -25,6 +26,8 @@ import org.mozilla.fenix.translations.TranslationsFlowState
  * @param browserStore [BrowserStore] observed for any changes related to [TranslationsState].
  * @param sessionId Current open tab session id.
  * @param onStateUpdated Invoked when the translations action button should be updated with the new translations state.
+ * @param onShowTranslationsDialog Invoked when [TranslationDialogBottomSheet]
+ * should be automatically shown to the user.
  */
 class TranslationsBinding(
     private val browserStore: BrowserStore,
@@ -35,6 +38,7 @@ class TranslationsBinding(
         fromSelectedLanguage: Language?,
         toSelectedLanguage: Language?,
     ) -> Unit,
+    private val onShowTranslationsDialog: () -> Unit,
 ) : AbstractBinding<BrowserState>(browserStore) {
 
     override suspend fun onState(flow: Flow<BrowserState>) {
@@ -94,6 +98,10 @@ class TranslationsBinding(
                 } else {
                     onStateUpdated(false, false, null, null)
                 }
+
+                if (sessionTranslationsState.isOfferTranslate) {
+                    onShowTranslationsDialog()
+                }
             }
     }
 }

app/src/test/java/org/mozilla/fenix/browser/TranslationsBindingTest.kt

@@ -40,6 +40,8 @@ class TranslationsBindingTest {
         toSelectedLanguage: Language?,
     ) -> Unit = spy()
 
+    private val onShowTranslationsDialog: () -> Unit = spy()
+
     @Test
     fun `GIVEN translationState WHEN translation status isTranslated THEN invoke onIconChanged callback`() =
         runTestOnMain {
@@ -57,6 +59,7 @@ class TranslationsBindingTest {
                 browserStore = browserStore,
                 sessionId = tabId,
                 onStateUpdated = onIconChanged,
+                onShowTranslationsDialog = {},
             )
             binding.start()
 
@@ -123,6 +126,7 @@ class TranslationsBindingTest {
                 browserStore = browserStore,
                 sessionId = tabId,
                 onStateUpdated = onIconChanged,
+                onShowTranslationsDialog = {},
             )
             binding.start()
 
@@ -154,6 +158,7 @@ class TranslationsBindingTest {
                 browserStore = browserStore,
                 sessionId = tabId,
                 onStateUpdated = onIconChanged,
+                onShowTranslationsDialog = {},
             )
             binding.start()
 
@@ -164,4 +169,31 @@ class TranslationsBindingTest {
                 null,
             )
         }
+
+    @Test
+    fun `GIVEN translationState WHEN translation state isOfferTranslate is true THEN invoke onShowTranslationsDialog callback`() =
+        runTestOnMain {
+            browserStore = BrowserStore(
+                BrowserState(
+                    tabs = listOf(tab),
+                    selectedTabId = tabId,
+                ),
+            )
+
+            val binding = TranslationsBinding(
+                browserStore = browserStore,
+                sessionId = tabId,
+                onStateUpdated = onIconChanged,
+                onShowTranslationsDialog = onShowTranslationsDialog,
+            )
+            binding.start()
+
+            browserStore.dispatch(
+                TranslationsAction.TranslateOfferAction(
+                    tabId = tab.id,
+                ),
+            ).joinBlocking()
+
+            verify(onShowTranslationsDialog).invoke()
+        }
 }