For #6980: Update Private browsing card.

Added test to description.
Added link to settings.
Updated unit tests.

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

@@ -206,7 +206,8 @@ class HomeFragment : Fragment() {
                 invokePendingDeleteJobs = ::invokePendingDeleteJobs,
                 registerCollectionStorageObserver = ::registerCollectionStorageObserver,
                 scrollToTheTop = ::scrollToTheTop,
-                showDeleteCollectionPrompt = ::showDeleteCollectionPrompt
+                showDeleteCollectionPrompt = ::showDeleteCollectionPrompt,
+                openSettingsScreen = :: openSettingsScreen
             )
         )
         updateLayout(view)
@@ -548,6 +549,11 @@ class HomeFragment : Fragment() {
         nav(R.id.homeFragment, directions)
     }
 
+    private fun openSettingsScreen() {
+        val directions = HomeFragmentDirections.actionHomeFragmentToPrivateBrowsingFragment()
+        nav(R.id.homeFragment, directions)
+    }
+
     private fun createHomeMenu(context: Context): HomeMenu {
         return HomeMenu(context) {
             when (it) {

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlAdapter.kt

@@ -170,7 +170,7 @@ class SessionControlAdapter(
             OnboardingManualSignInViewHolder.LAYOUT_ID -> OnboardingManualSignInViewHolder(view)
             OnboardingThemePickerViewHolder.LAYOUT_ID -> OnboardingThemePickerViewHolder(view)
             OnboardingTrackingProtectionViewHolder.LAYOUT_ID -> OnboardingTrackingProtectionViewHolder(view)
-            OnboardingPrivateBrowsingViewHolder.LAYOUT_ID -> OnboardingPrivateBrowsingViewHolder(view)
+            OnboardingPrivateBrowsingViewHolder.LAYOUT_ID -> OnboardingPrivateBrowsingViewHolder(view, interactor)
             OnboardingPrivacyNoticeViewHolder.LAYOUT_ID -> OnboardingPrivacyNoticeViewHolder(view)
             OnboardingFinishViewHolder.LAYOUT_ID -> OnboardingFinishViewHolder(view, interactor)
             OnboardingWhatsNewViewHolder.LAYOUT_ID -> OnboardingWhatsNewViewHolder(view)

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlController.kt

@@ -139,6 +139,11 @@ interface SessionControlController {
      */
     fun handleStartBrowsingClicked()
 
+    /**
+     * @see [OnboardingInteractor.onOpenSettingsClicked]
+     */
+    fun handleOpenSettingsClicked()
+
     /**
      * @see [CollectionInteractor.onToggleCollectionExpanded]
      */
@@ -159,7 +164,8 @@ class DefaultSessionControlController(
     private val invokePendingDeleteJobs: () -> Unit,
     private val registerCollectionStorageObserver: () -> Unit,
     private val scrollToTheTop: () -> Unit,
-    private val showDeleteCollectionPrompt: (tabCollection: TabCollection) -> Unit
+    private val showDeleteCollectionPrompt: (tabCollection: TabCollection) -> Unit,
+    private val openSettingsScreen: () -> Unit
 ) : SessionControlController {
     private val metrics: MetricController
         get() = activity.components.analytics.metrics
@@ -358,6 +364,10 @@ class DefaultSessionControlController(
         hideOnboarding()
     }
 
+    override fun handleOpenSettingsClicked() {
+        openSettingsScreen()
+    }
+
     override fun handleToggleCollectionExpanded(collection: TabCollection, expand: Boolean) {
         store.dispatch(HomeFragmentAction.CollectionExpanded(collection, expand))
     }

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlInteractor.kt

@@ -87,6 +87,11 @@ interface OnboardingInteractor {
      * Hides the onboarding and navigates to Search. Called when a user clicks on the "Start Browsing" button.
      */
     fun onStartBrowsingClicked()
+
+    /**
+     * Hides the onboarding and navigates to Settings. Called when a user clicks on the "Open settings" button.
+     */
+    fun onOpenSettingsClicked()
 }
 
 /**
@@ -262,6 +267,10 @@ class SessionControlInteractor(
         controller.handleStartBrowsingClicked()
     }
 
+    override fun onOpenSettingsClicked() {
+        controller.handleOpenSettingsClicked()
+    }
+
     override fun onToggleCollectionExpanded(collection: TabCollection, expand: Boolean) {
         controller.handleToggleCollectionExpanded(collection, expand)
     }

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlView.kt

@@ -110,8 +110,8 @@ private fun onboardingAdapterItems(onboardingState: OnboardingState): List<Adapt
             it.getString(R.string.onboarding_feature_section_header, appName)
         },
         AdapterItem.OnboardingWhatsNew,
-        AdapterItem.OnboardingThemePicker,
         AdapterItem.OnboardingTrackingProtection,
+        AdapterItem.OnboardingThemePicker,
         AdapterItem.OnboardingPrivateBrowsing,
         AdapterItem.OnboardingToolbarPositionPicker,
         AdapterItem.OnboardingPrivacyNotice,

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingPrivateBrowsingViewHolder.kt

@@ -17,8 +17,12 @@ import androidx.recyclerview.widget.RecyclerView
 import kotlinx.android.synthetic.main.onboarding_private_browsing.view.*
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.setBounds
+import org.mozilla.fenix.home.sessioncontrol.OnboardingInteractor
 
-class OnboardingPrivateBrowsingViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+class OnboardingPrivateBrowsingViewHolder(
+    view: View,
+    private val interactor: OnboardingInteractor
+) : RecyclerView.ViewHolder(view) {
 
     init {
         view.header_text.setOnboardingIcon(R.drawable.ic_onboarding_private_browsing)
@@ -27,7 +31,7 @@ class OnboardingPrivateBrowsingViewHolder(view: View) : RecyclerView.ViewHolder(
         val inlineIcon = PrivateBrowsingImageSpan(
             view.context,
             R.drawable.ic_private_browsing,
-            view.description_text.lineHeight
+            view.description_text_once.lineHeight
         )
 
         val text = SpannableString(view.context.getString(R.string.onboarding_private_browsing_description1)).apply {
@@ -40,8 +44,11 @@ class OnboardingPrivateBrowsingViewHolder(view: View) : RecyclerView.ViewHolder(
             )
         }
 
-        view.description_text.text = text
+        view.description_text_once.text = text
         view.contentDescription = String.format(text.toString(), view.header_text.text)
+        view.open_settings_button.setOnClickListener {
+            interactor.onOpenSettingsClicked()
+        }
     }
 
     class PrivateBrowsingImageSpan(

app/src/main/res/layout/onboarding_private_browsing.xml

@@ -24,14 +24,53 @@
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintEnd_toEndOf="parent" />
     <TextView
-            android:id="@+id/description_text"
+            android:id="@+id/description_text_once"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:textAppearance="@style/Body14TextStyle"
             android:layout_marginTop="14dp"
-            tools:text="@string/onboarding_private_browsing_description"
+            tools:text="@string/onboarding_private_browsing_description1"
             app:layout_constraintTop_toBottomOf="@id/header_text"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintBottom_toBottomOf="parent" />
+            app:layout_constraintBottom_toTopOf="@id/description_text_always" />
+    <TextView
+            android:id="@+id/description_text_always"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textAppearance="@style/Body14TextStyle"
+            android:layout_marginTop="14dp"
+            android:text="@string/onboarding_private_browsing_always_description"
+            app:layout_constraintTop_toBottomOf="@id/description_text_once"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintBottom_toTopOf="@id/open_settings_button" />
+
+    <FrameLayout
+        android:id="@+id/open_settings_button"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/button_background"
+        android:backgroundTint="?neutralFaded"
+        android:clickable="true"
+        android:focusable="true"
+        android:foreground="?android:attr/selectableItemBackground"
+        android:padding="10dp"
+        app:layout_constraintTop_toBottomOf="@id/description_text_always"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent">
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
+            android:clickable="false"
+            android:focusable="false"
+            android:textStyle="bold"
+            android:gravity="center"
+            android:text="@string/onboarding_private_browsing_button"
+            android:textColor="?primaryText"
+            android:textSize="14sp" />
+    </FrameLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/navigation/nav_graph.xml

@@ -92,6 +92,9 @@
         <action
             android:id="@+id/action_homeFragment_to_shareFragment"
             app:destination="@id/shareFragment" />
+        <action
+            android:id="@+id/action_homeFragment_to_privateBrowsingFragment"
+            app:destination="@id/privateBrowsingFragment" />
     </fragment>
 
     <fragment

app/src/test/java/org/mozilla/fenix/home/DefaultSessionControlControllerTest.kt

@@ -47,6 +47,7 @@ class DefaultSessionControlControllerTest {
     private val closeAllTabs: (isPrivateMode: Boolean) -> Unit = mockk(relaxed = true)
     private val getListOfTabs: () -> List<Tab> = { emptyList() }
     private val hideOnboarding: () -> Unit = mockk(relaxed = true)
+    private val openSettingsScreen: () -> Unit = mockk(relaxed = true)
     private val invokePendingDeleteJobs: () -> Unit = mockk(relaxed = true)
     private val registerCollectionStorageObserver: () -> Unit = mockk(relaxed = true)
     private val scrollToTheTop: () -> Unit = mockk(relaxed = true)
@@ -81,7 +82,8 @@ class DefaultSessionControlControllerTest {
             invokePendingDeleteJobs = invokePendingDeleteJobs,
             registerCollectionStorageObserver = registerCollectionStorageObserver,
             scrollToTheTop = scrollToTheTop,
-            showDeleteCollectionPrompt = showDeleteCollectionPrompt
+            showDeleteCollectionPrompt = showDeleteCollectionPrompt,
+            openSettingsScreen = openSettingsScreen
         )
     }
 
@@ -199,6 +201,12 @@ class DefaultSessionControlControllerTest {
         verify { hideOnboarding() }
     }
 
+    @Test
+    fun handleOpenSettingsClicked() {
+        controller.handleOpenSettingsClicked()
+        verify { openSettingsScreen() }
+    }
+
     @Test
     fun handleToggleCollectionExpanded() {
         val collection: TabCollection = mockk(relaxed = true)