For mozilla-mobile#18375: Add experiment for set default browser New …

…Tab card.

app/src/main/java/org/mozilla/fenix/experiments/Experiments.kt

@@ -20,5 +20,6 @@ class ExperimentBranch {
         const val A1 = "a1"
         const val A2 = "a2"
         const val DEFAULT_BROWSER_TOOLBAR_MENU = "default_browser_toolbar_menu"
+        const val DEFAULT_BROWSER_NEW_TAB_BANNER = "default_browser_newtab_banner"
     }
 }

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

@@ -225,7 +225,8 @@ class HomeFragment : Fragment() {
                             )
                         ).getTip()
                     },
-                    showCollectionPlaceholder = components.settings.showCollectionsPlaceholderOnHome
+                    showCollectionPlaceholder = components.settings.showCollectionsPlaceholderOnHome,
+                    showSetAsDefaultBrowserCard = components.settings.shouldShowSetAsDefaultBrowserCard()
                 )
             )
         }

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

@@ -48,7 +48,8 @@ data class HomeFragmentState(
     val mode: Mode,
     val topSites: List<TopSite>,
     val tip: Tip? = null,
-    val showCollectionPlaceholder: Boolean
+    val showCollectionPlaceholder: Boolean,
+    val showSetAsDefaultBrowserCard: Boolean
 ) : State
 
 sealed class HomeFragmentAction : Action {
@@ -69,6 +70,7 @@ sealed class HomeFragmentAction : Action {
     data class TopSitesChange(val topSites: List<TopSite>) : HomeFragmentAction()
     data class RemoveTip(val tip: Tip) : HomeFragmentAction()
     object RemoveCollectionsPlaceholder : HomeFragmentAction()
+    object RemoveSetDefaultBrowserCard : HomeFragmentAction()
 }
 
 private fun homeFragmentStateReducer(
@@ -102,5 +104,6 @@ private fun homeFragmentStateReducer(
         is HomeFragmentAction.RemoveCollectionsPlaceholder -> {
             state.copy(showCollectionPlaceholder = false)
         }
+        is HomeFragmentAction.RemoveSetDefaultBrowserCard -> state.copy(showSetAsDefaultBrowserCard = false)
     }
 }

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

@@ -24,6 +24,7 @@ import org.mozilla.fenix.home.sessioncontrol.viewholders.NoCollectionsMessageVie
 import org.mozilla.fenix.home.sessioncontrol.viewholders.PrivateBrowsingDescriptionViewHolder
 import org.mozilla.fenix.home.sessioncontrol.viewholders.TabInCollectionViewHolder
 import org.mozilla.fenix.home.sessioncontrol.viewholders.TopSitePagerViewHolder
+import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.ExperimentDefaultBrowserCardViewHolder
 import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingAutomaticSignInViewHolder
 import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingFinishViewHolder
 import org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding.OnboardingHeaderViewHolder
@@ -116,6 +117,8 @@ sealed class AdapterItem(@LayoutRes val viewType: Int) {
         val state: OnboardingState.SignedOutCanAutoSignIn
     ) : AdapterItem(OnboardingAutomaticSignInViewHolder.LAYOUT_ID)
 
+    object ExperimentDefaultBrowserCard : AdapterItem(ExperimentDefaultBrowserCardViewHolder.LAYOUT_ID)
+
     object OnboardingThemePicker : AdapterItem(OnboardingThemePickerViewHolder.LAYOUT_ID)
     object OnboardingTrackingProtection :
         AdapterItem(OnboardingTrackingProtectionViewHolder.LAYOUT_ID)
@@ -207,6 +210,8 @@ class SessionControlAdapter(
             OnboardingToolbarPositionPickerViewHolder.LAYOUT_ID -> OnboardingToolbarPositionPickerViewHolder(
                 view
             )
+            ExperimentDefaultBrowserCardViewHolder.LAYOUT_ID -> ExperimentDefaultBrowserCardViewHolder(view, interactor)
+
             else -> throw IllegalStateException()
         }
     }

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

@@ -39,7 +39,7 @@ import org.mozilla.fenix.components.tips.Tip
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.metrics
 import org.mozilla.fenix.ext.nav
-import org.mozilla.fenix.ext.settings
+import org.mozilla.fenix.ext.openSetDefaultBrowserOption
 import org.mozilla.fenix.home.HomeFragment
 import org.mozilla.fenix.home.HomeFragmentAction
 import org.mozilla.fenix.home.HomeFragmentDirections
@@ -168,6 +168,18 @@ interface SessionControlController {
      * @see [CollectionInteractor.onCollectionMenuOpened] and [TopSiteInteractor.onTopSiteMenuOpened]
      */
     fun handleMenuOpened()
+
+    /**
+     * @see [ExperimentCardInteractor.onSetDefaultBrowserClicked]
+     */
+    fun handleSetDefaultBrowser() {
+    }
+
+    /**
+     * @see [ExperimentCardInteractor.onCloseExperimentCardClicked]
+     */
+    fun handleCloseExperimentCard() {
+    }
 }
 
 @Suppress("TooManyFunctions", "LargeClass")
@@ -554,4 +566,14 @@ class DefaultSessionControlController(
         )
         navController.nav(R.id.homeFragment, directions)
     }
+
+    override fun handleSetDefaultBrowser() {
+        settings.userDismissedExperimentCard = true
+        activity.openSetDefaultBrowserOption()
+    }
+
+    override fun handleCloseExperimentCard() {
+        settings.userDismissedExperimentCard = true
+        fragmentStore.dispatch(HomeFragmentAction.RemoveSetDefaultBrowserCard)
+    }
 }

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

@@ -190,6 +190,18 @@ interface TopSiteInteractor {
     fun onTopSiteMenuOpened()
 }
 
+interface ExperimentCardInteractor {
+    /**
+     * Called when set default browser button is clicked
+     */
+    fun onSetDefaultBrowserClicked()
+
+    /**
+     * Called when close button on experiment card
+     */
+    fun onCloseExperimentCardClicked()
+}
+
 /**
  * Interactor for the Home screen.
  * Provides implementations for the CollectionInteractor, OnboardingInteractor,
@@ -199,7 +211,7 @@ interface TopSiteInteractor {
 class SessionControlInteractor(
     private val controller: SessionControlController
 ) : CollectionInteractor, OnboardingInteractor, TopSiteInteractor, TipInteractor,
-    TabSessionInteractor, ToolbarInteractor {
+    TabSessionInteractor, ToolbarInteractor, ExperimentCardInteractor {
     override fun onCollectionAddTabTapped(collection: TabCollection) {
         controller.handleCollectionAddTabTapped(collection)
     }
@@ -295,4 +307,12 @@ class SessionControlInteractor(
     override fun onTopSiteMenuOpened() {
         controller.handleMenuOpened()
     }
+
+    override fun onSetDefaultBrowserClicked() {
+        controller.handleSetDefaultBrowser()
+    }
+
+    override fun onCloseExperimentCardClicked() {
+        controller.handleCloseExperimentCard()
+    }
 }

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

@@ -21,18 +21,23 @@ import org.mozilla.fenix.home.OnboardingState
 
 // This method got a little complex with the addition of the tab tray feature flag
 // When we remove the tabs from the home screen this will get much simpler again.
-@Suppress("ComplexMethod")
+@Suppress("ComplexMethod", "LongParameterList")
 private fun normalModeAdapterItems(
     topSites: List<TopSite>,
     collections: List<TabCollection>,
     expandedCollections: Set<Long>,
     tip: Tip?,
-    showCollectionsPlaceholder: Boolean
+    showCollectionsPlaceholder: Boolean,
+    showSetAsDefaultBrowserCard: Boolean
 ): List<AdapterItem> {
     val items = mutableListOf<AdapterItem>()
 
     tip?.let { items.add(AdapterItem.TipItem(it)) }
 
+    if (showSetAsDefaultBrowserCard) {
+        items.add(AdapterItem.ExperimentDefaultBrowserCard)
+    }
+
     if (topSites.isNotEmpty()) {
         items.add(AdapterItem.TopSitePager(topSites))
     }
@@ -110,7 +115,8 @@ private fun HomeFragmentState.toAdapterList(): List<AdapterItem> = when (mode) {
         collections,
         expandedCollections,
         tip,
-        showCollectionPlaceholder
+        showCollectionPlaceholder,
+        showSetAsDefaultBrowserCard
     )
     is Mode.Private -> privateModeAdapterItems()
     is Mode.Onboarding -> onboardingAdapterItems(mode.state)

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

@@ -0,0 +1,36 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix.home.sessioncontrol.viewholders.onboarding
+
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+import kotlinx.android.synthetic.main.experiment_default_browser.view.*
+import org.mozilla.fenix.R
+import org.mozilla.fenix.ext.increaseTapArea
+import org.mozilla.fenix.home.sessioncontrol.SessionControlInteractor
+
+class ExperimentDefaultBrowserCardViewHolder(
+    view: View,
+    private val interactor: SessionControlInteractor
+) : RecyclerView.ViewHolder(view) {
+
+    init {
+        view.set_default_browser.setOnClickListener {
+            interactor.onSetDefaultBrowserClicked()
+        }
+
+        view.close.apply {
+            increaseTapArea(CLOSE_BUTTON_EXTRA_DPS)
+            setOnClickListener {
+                interactor.onCloseExperimentCardClicked()
+            }
+        }
+    }
+
+    companion object {
+        internal const val LAYOUT_ID = R.layout.experiment_default_browser
+        private const val CLOSE_BUTTON_EXTRA_DPS = 38
+    }
+}

app/src/main/java/org/mozilla/fenix/utils/Settings.kt

@@ -33,8 +33,11 @@ import org.mozilla.fenix.components.metrics.MozillaProductDetector
 import org.mozilla.fenix.components.settings.counterPreference
 import org.mozilla.fenix.components.settings.featureFlagPreference
 import org.mozilla.fenix.components.toolbar.ToolbarPosition
+import org.mozilla.fenix.experiments.ExperimentBranch
+import org.mozilla.fenix.experiments.Experiments
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.getPreferenceKey
+import org.mozilla.fenix.ext.withExperiment
 import org.mozilla.fenix.settings.PhoneFeature
 import org.mozilla.fenix.settings.deletebrowsingdata.DeleteBrowsingDataOnQuitType
 import org.mozilla.fenix.settings.logins.SavedLoginsSortingStrategyMenu
@@ -61,6 +64,7 @@ class Settings(private val appContext: Context) : PreferencesHolder {
         private const val ALLOWED_INT = 2
         private const val CFR_COUNT_CONDITION_FOCUS_INSTALLED = 1
         private const val CFR_COUNT_CONDITION_FOCUS_NOT_INSTALLED = 3
+        private const val APP_LAUNCHES_TO_SHOW_DEFAULT_BROWSER_CARD = 3
 
         const val ONE_DAY_MS = 60 * 60 * 24 * 1000L
         const val THREE_DAYS_MS = 3 * ONE_DAY_MS
@@ -292,6 +296,30 @@ class Settings(private val appContext: Context) : PreferencesHolder {
         default = false
     )
 
+    /**
+     * Shows if the user has chosen to close the set default browser experiment card
+     * on home screen or has clicked the set as default browser button.
+     */
+    var userDismissedExperimentCard by booleanPreference(
+        appContext.getPreferenceKey(R.string.pref_key_experiment_card_home),
+        default = false
+    )
+
+    /**
+     * Shows if the set default browser experiment card should be shown on home screen.
+     */
+    fun shouldShowSetAsDefaultBrowserCard(): Boolean {
+        val experiments = appContext.components.analytics.experiments
+        val isExperimentBranch =
+            experiments.withExperiment(Experiments.DEFAULT_BROWSER) { experimentBranch ->
+                (experimentBranch == ExperimentBranch.DEFAULT_BROWSER_NEW_TAB_BANNER)
+            }
+        return isExperimentBranch &&
+                !userDismissedExperimentCard &&
+                !isDefaultBrowser() &&
+                numberOfAppLaunches > APP_LAUNCHES_TO_SHOW_DEFAULT_BROWSER_CARD
+    }
+
     var listTabView by booleanPreference(
         appContext.getPreferenceKey(R.string.pref_key_tab_view_list),
         default = true

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

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="utf-8"?><!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/experiment_card"
+    style="@style/OnboardingCardLightWithPadding"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <ImageButton
+        android:id="@+id/close"
+        android:layout_width="10dp"
+        android:layout_height="10dp"
+        android:background="?selectableItemBackgroundBorderless"
+        android:contentDescription="@string/content_description_close_button"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toEndOf="@id/description_text"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/ic_close"
+        tools:srcCompat="@drawable/ic_close" />
+
+    <TextView
+        android:id="@+id/description_text"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginBottom="16dp"
+        android:text="@string/default_browser_experiment_card_text"
+        android:textAppearance="@style/Body14TextStyle"
+        app:layout_constraintBottom_toTopOf="@id/set_default_browser"
+        app:layout_constraintEnd_toStartOf="@id/close"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/set_default_browser"
+        style="@style/PositiveButton"
+        android:layout_height="36dp"
+        android:background="@drawable/rounded_button_background"
+        android:text="@string/preferences_set_as_default_browser"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/description_text" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/preference_keys.xml

@@ -263,6 +263,9 @@
 
     <string name="pref_key_open_next_tab_desktop_mode" translatable="false">pref_key_open_next_tab_desktop_mode</string>
 
+    <!-- Set default browser experiment card-->
+    <string name="pref_key_experiment_card_home" translatable="false">pref_key_experiment_card_home</string>
+
     <!-- Secret Info Setting Keys -->
     <string name="pref_key_secret_debug_info" translatable="false">pref_key_secret_debug_info</string>
     <string name="pref_key_leanplum_user_id" translatable="false">pref_key_leanplum_user_id</string>

app/src/main/res/values/strings.xml

@@ -1700,6 +1700,9 @@
 	<!-- Dialog button text for canceling the rename top site prompt. -->
 	<string name="top_sites_rename_dialog_cancel">Cancel</string>
 
+    <!-- Default browser experiment -->
+    <string name="default_browser_experiment_card_text">Set links from websites, emails, and messages to open automatically in Firefox.</string>
+
     <!-- Content description for close button in collection placeholder. -->
     <string name="remove_home_collection_placeholder_content_description">Remove</string>
 

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

@@ -128,7 +128,8 @@ class DefaultSessionControlControllerTest {
             expandedCollections = emptySet(),
             mode = Mode.Normal,
             topSites = emptyList(),
-            showCollectionPlaceholder = true
+            showCollectionPlaceholder = true,
+            showSetAsDefaultBrowserCard = true
         )
 
         every { navController.currentDestination } returns mockk {

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

@@ -55,7 +55,8 @@ class HomeFragmentStoreTest {
             expandedCollections = emptySet(),
             mode = currentMode.getCurrentMode(),
             topSites = emptyList(),
-            showCollectionPlaceholder = true
+            showCollectionPlaceholder = true,
+            showSetAsDefaultBrowserCard = true
         )
 
         homeFragmentStore = HomeFragmentStore(homeFragmentState)