From 6435a503cada23799c73e4dc1b3eee2fa1c8ffa7 Mon Sep 17 00:00:00 2001
From: Emily Kager <ekager@mozilla.com>
Date: Fri, 25 Oct 2019 11:21:42 -0700
Subject: [PATCH] For #6219 - Reset default setting if user opts out of
 experiments

---
 .../main/java/org/mozilla/fenix/ExperimentsManager.kt  | 10 ++++++++++
 .../main/java/org/mozilla/fenix/FenixApplication.kt    |  4 ++++
 2 files changed, 14 insertions(+)

diff --git a/app/src/main/java/org/mozilla/fenix/ExperimentsManager.kt b/app/src/main/java/org/mozilla/fenix/ExperimentsManager.kt
index 1a4246b2c..48eff0033 100644
--- a/app/src/main/java/org/mozilla/fenix/ExperimentsManager.kt
+++ b/app/src/main/java/org/mozilla/fenix/ExperimentsManager.kt
@@ -10,6 +10,16 @@ import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.settings
 
 object ExperimentsManager {
+    fun optOutEtpExperiment(context: Context) {
+        // If a user can see the ETP categories we don't want to change their settings
+        if (FeatureFlags.etpCategories) return
+        // Release user has opted out of ETP experiment, reset them to current default (strict)
+        context.settings().setUseStrictTrackingProtection()
+        context.components.useCases.settingsUseCases.updateTrackingProtection(
+            context.components.core.createTrackingProtectionPolicy()
+        )
+    }
+
     fun initEtpExperiment(context: Context) {
         // When the `fenix-etp-5651` experiment is active, set up ETP settings and GV policy.
         // Note that this will not take effect the first time the application has launched,
diff --git a/app/src/main/java/org/mozilla/fenix/FenixApplication.kt b/app/src/main/java/org/mozilla/fenix/FenixApplication.kt
index d24815f5d..4c5ef885e 100644
--- a/app/src/main/java/org/mozilla/fenix/FenixApplication.kt
+++ b/app/src/main/java/org/mozilla/fenix/FenixApplication.kt
@@ -87,6 +87,10 @@ open class FenixApplication : Application() {
                     httpClient = lazy(LazyThreadSafetyMode.NONE) { components.core.client }
                 )
             )
+        } else {
+            // We should make a better way to opt out for when we have more experiments
+            // See https://github.com/mozilla-mobile/fenix/issues/6278
+            ExperimentsManager.optOutEtpExperiment(this)
         }
 
         // When the `fenix-test-2019-08-05` experiment is active, record its branch in Glean