Bug 1816186 - Use detect-only just when we can show the re-engagement dialog

app/src/main/java/org/mozilla/fenix/HomeActivity.kt

@@ -132,6 +132,7 @@ import org.mozilla.fenix.settings.TrackingProtectionFragmentDirections
 import org.mozilla.fenix.settings.about.AboutFragmentDirections
 import org.mozilla.fenix.settings.logins.fragment.LoginDetailFragmentDirections
 import org.mozilla.fenix.settings.logins.fragment.SavedLoginsAuthFragmentDirections
+import org.mozilla.fenix.settings.quicksettings.protections.cookiebanners.dialog.CookieBannerReEngagementDialogUtils
 import org.mozilla.fenix.settings.search.AddSearchEngineFragmentDirections
 import org.mozilla.fenix.settings.search.EditCustomSearchEngineFragmentDirections
 import org.mozilla.fenix.settings.studies.StudiesFragmentDirections
@@ -445,6 +446,10 @@ open class HomeActivity : LocaleAwareAppCompatActivity(), NavHostActivity {
         // and the user changes the system language
         // More details here: https://github.com/mozilla-mobile/fenix/pull/27793#discussion_r1029892536
         components.core.store.dispatch(SearchAction.RefreshSearchEnginesAction)
+        CookieBannerReEngagementDialogUtils.tryToEnableDetectOnlyModeIfNeeded(
+            components.settings,
+            components.core.engine.settings,
+        )
     }
 
     override fun onStart() {

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

@@ -140,7 +140,7 @@ class Core(
             cookieBannerHandlingModePrivateBrowsing = context.settings().getCookieBannerHandling(),
             cookieBannerHandlingMode = context.settings().getCookieBannerHandling(),
             cookieBannerHandlingDetectOnlyMode = context.settings()
-                .shouldEnabledCookieBannerDetectOnlyMode(),
+                .shouldShowCookieBannerReEngagementDialog(),
         )
 
         GeckoEngine(

app/src/main/java/org/mozilla/fenix/settings/CookieBannersFragment.kt

@@ -53,7 +53,7 @@ class CookieBannersFragment : PreferenceFragmentCompat() {
                     getEngineSettings().cookieBannerHandlingModePrivateBrowsing = mode
                     getEngineSettings().cookieBannerHandlingMode = mode
                     getEngineSettings().cookieBannerHandlingDetectOnlyMode =
-                        requireContext().settings().shouldEnabledCookieBannerDetectOnlyMode()
+                        requireContext().settings().shouldShowCookieBannerReEngagementDialog()
                     CookieBanners.settingChanged.record(CookieBanners.SettingChangedExtra(metricTag))
                     requireContext().components.useCases.sessionUseCases.reload()
                     return super.onPreferenceChange(preference, newValue)

app/src/main/java/org/mozilla/fenix/settings/quicksettings/protections/cookiebanners/dialog/CookieBannerReEngagementDialog.kt

@@ -62,13 +62,12 @@ class CookieBannerReEngagementDialog : DialogFragment() {
                         dismiss()
                     },
                     onNotNowButtonClicked = {
+                        disabledCookieBannerHandlingDetectOnlyMode()
                         CookieBanners.notNowReEngagementDialog.record(NoExtras())
                         dismiss()
                     },
                     onCloseButtonClicked = {
-                        getEngineSettings().cookieBannerHandlingDetectOnlyMode = false
-                        getEngineSettings().cookieBannerHandlingModePrivateBrowsing = DISABLED
-                        getEngineSettings().cookieBannerHandlingMode = DISABLED
+                        disabledCookieBannerHandlingDetectOnlyMode()
                         requireContext().settings().userOptOutOfReEngageCookieBannerDialog = true
                         CookieBanners.optOutReEngagementDialog.record(NoExtras())
                         dismiss()
@@ -78,6 +77,12 @@ class CookieBannerReEngagementDialog : DialogFragment() {
         }
     }
 
+    private fun disabledCookieBannerHandlingDetectOnlyMode() {
+        getEngineSettings().cookieBannerHandlingDetectOnlyMode = false
+        getEngineSettings().cookieBannerHandlingModePrivateBrowsing = DISABLED
+        getEngineSettings().cookieBannerHandlingMode = DISABLED
+    }
+
     private fun getEngineSettings(): Settings {
         return requireContext().components.core.engine.settings
     }

app/src/main/java/org/mozilla/fenix/settings/quicksettings/protections/cookiebanners/dialog/CookieBannerReEngagementDialogUtils.kt

@@ -6,6 +6,7 @@ package org.mozilla.fenix.settings.quicksettings.protections.cookiebanners.dialo
 
 import android.content.Context
 import androidx.navigation.NavController
+import mozilla.components.concept.engine.EngineSession.CookieBannerHandlingMode.REJECT_ALL
 import mozilla.components.concept.engine.EngineSession.CookieBannerHandlingStatus
 import org.mozilla.fenix.R
 import org.mozilla.fenix.browser.BrowserFragmentDirections
@@ -13,6 +14,7 @@ import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.nimbus.CookieBannersSection
 import org.mozilla.fenix.nimbus.FxNimbus
 import org.mozilla.fenix.utils.Settings
+import mozilla.components.concept.engine.Settings as EngineSettings
 
 private const val CONTROL_VARIANT = 0
 private const val VARIANT_ONE = 1
@@ -87,8 +89,13 @@ object CookieBannerReEngagementDialogUtils {
         status: CookieBannerHandlingStatus,
         navController: NavController,
     ) {
-        if (status == CookieBannerHandlingStatus.DETECTED &&
-            settings.shouldCookieBannerReEngagementDialog()
+        val tcpCFRAlreadyShown = if (settings.enabledTotalCookieProtectionCFR) {
+            !settings.shouldShowTotalCookieProtectionCFR
+        } else {
+            true
+        }
+        if (tcpCFRAlreadyShown && status == CookieBannerHandlingStatus.DETECTED &&
+            settings.shouldShowCookieBannerReEngagementDialog()
         ) {
             settings.lastInteractionWithReEngageCookieBannerDialogInMs = System.currentTimeMillis()
             settings.cookieBannerDetectedPreviously = true
@@ -98,6 +105,21 @@ object CookieBannerReEngagementDialogUtils {
         }
     }
 
+    /**
+     *  Tries to enable the detect only mode after the time limit for the cookie banner has been
+     *  expired.
+     */
+    fun tryToEnableDetectOnlyModeIfNeeded(
+        settings: Settings,
+        engineSettings: EngineSettings,
+    ) {
+        if (settings.shouldShowCookieBannerReEngagementDialog()) {
+            engineSettings.cookieBannerHandlingDetectOnlyMode = true
+            engineSettings.cookieBannerHandlingModePrivateBrowsing = REJECT_ALL
+            engineSettings.cookieBannerHandlingMode = REJECT_ALL
+        }
+    }
+
     /**
      *  Data class for cookie banner dialog variant
      *  @property title of the dialog

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

@@ -586,10 +586,10 @@ class Settings(private val appContext: Context) : PreferencesHolder {
      * Indicates if we should should show the cookie banner dialog that invites the user to turn-on
      * the setting.
      */
-    fun shouldCookieBannerReEngagementDialog(): Boolean {
+    fun shouldShowCookieBannerReEngagementDialog(): Boolean {
         val shouldShowDialog =
             shouldShowCookieBannerUI && !userOptOutOfReEngageCookieBannerDialog && !shouldUseCookieBanner
-        return if (!shouldShowTotalCookieProtectionCFR && shouldShowDialog) {
+        return if (shouldShowDialog) {
             !cookieBannerDetectedPreviously ||
                 timeNowInMillis() - lastInteractionWithReEngageCookieBannerDialogInMs >= timerForCookieBannerDialog
         } else {
@@ -704,7 +704,10 @@ class Settings(private val appContext: Context) : PreferencesHolder {
     val enabledTotalCookieProtection: Boolean
         get() = Config.channel.isNightlyOrDebug || mr2022Sections[Mr2022Section.TCP_FEATURE] == true
 
-    private val enabledTotalCookieProtectionCFR: Boolean
+    /**
+     * Indicates if the total cookie protection CRF feature is enabled.
+     */
+    val enabledTotalCookieProtectionCFR: Boolean
         get() = Config.channel.isNightlyOrDebug || mr2022Sections[Mr2022Section.TCP_CFR] == true
 
     /**
@@ -1557,7 +1560,7 @@ class Settings(private val appContext: Context) : PreferencesHolder {
     fun getCookieBannerHandling(): CookieBannerHandlingMode {
         return when (shouldUseCookieBanner) {
             true -> CookieBannerHandlingMode.REJECT_ALL
-            false -> if (shouldEnabledCookieBannerDetectOnlyMode()) {
+            false -> if (shouldShowCookieBannerReEngagementDialog()) {
                 CookieBannerHandlingMode.REJECT_ALL
             } else {
                 CookieBannerHandlingMode.DISABLED
@@ -1565,18 +1568,6 @@ class Settings(private val appContext: Context) : PreferencesHolder {
         }
     }
 
-    /**
-     * Indicates if the cookie banner detect only mode should be enabled.
-     */
-    fun shouldEnabledCookieBannerDetectOnlyMode(): Boolean {
-        val tcpCFRAlreadyShown = if (enabledTotalCookieProtectionCFR) {
-            !userOptOutOfReEngageCookieBannerDialog
-        } else {
-            true
-        }
-        return shouldShowCookieBannerUI && tcpCFRAlreadyShown && !shouldUseCookieBanner
-    }
-
     var setAsDefaultGrowthSent by booleanPreference(
         key = appContext.getPreferenceKey(R.string.pref_key_growth_set_as_default),
         default = false,