Bug 1844557 - Disable the switch control when the add-on is blockedlisted.

app/src/main/java/org/mozilla/fenix/addons/InstalledAddonDetailsFragment.kt

@@ -118,11 +118,24 @@ class InstalledAddonDetailsFragment : Fragment() {
         bindRemoveButton()
     }
 
+    @VisibleForTesting
+    internal fun provideEnableSwitch() = binding.enableSwitch
+
+    @VisibleForTesting
+    internal fun providePrivateBrowsingSwitch() = binding.allowInPrivateBrowsingSwitch
+
+    @VisibleForTesting
     @SuppressWarnings("LongMethod")
-    private fun bindEnableSwitch() {
-        val switch = binding.enableSwitch
-        val privateBrowsingSwitch = binding.allowInPrivateBrowsingSwitch
+    internal fun bindEnableSwitch() {
+        val switch = provideEnableSwitch()
+        val privateBrowsingSwitch = providePrivateBrowsingSwitch()
         switch.setState(addon.isEnabled())
+        // When the ad-on is blocklisted, we do not want to enable the toggle switch
+        // because users shouldn't be able to re-enable a blocklisted add-on.
+        if (addon.isDisabledAsBlocklisted()) {
+            switch.isEnabled = false
+            return
+        }
         switch.setOnCheckedChangeListener { v, isChecked ->
             val addonManager = v.context.components.addonManager
             switch.isClickable = false

app/src/test/java/org/mozilla/fenix/addons/InstalledAddonDetailsFragmentTest.kt

@@ -4,6 +4,7 @@
 
 package org.mozilla.fenix.addons
 
+import com.google.android.material.switchmaterial.SwitchMaterial
 import io.mockk.Runs
 import io.mockk.every
 import io.mockk.just
@@ -62,4 +63,38 @@ class InstalledAddonDetailsFragmentTest {
         verify { addonManager.enableAddon(addon, EnableSource.APP_SUPPORT, any(), any()) }
         verify { addonManager.enableAddon(capturedAddon.captured, EnableSource.USER, any(), any()) }
     }
+
+    @Test
+    fun `GIVEN blocklisted addon WHEN biding the enable switch THEN disable the switch`() {
+        val addon = mockk<Addon>()
+        val enableSwitch = mockk<SwitchMaterial>(relaxed = true)
+        val privateBrowsingSwitch = mockk<SwitchMaterial>(relaxed = true)
+
+        every { fragment.provideEnableSwitch() } returns enableSwitch
+        every { fragment.providePrivateBrowsingSwitch() } returns privateBrowsingSwitch
+        every { addon.isEnabled() } returns true
+        every { addon.isDisabledAsBlocklisted() } returns true
+        every { fragment.addon } returns addon
+
+        fragment.bindEnableSwitch()
+
+        verify { enableSwitch.isEnabled = false }
+    }
+
+    @Test
+    fun `GIVEN enabled addon WHEN biding the enable switch THEN do not disable the switch`() {
+        val addon = mockk<Addon>()
+        val enableSwitch = mockk<SwitchMaterial>(relaxed = true)
+        val privateBrowsingSwitch = mockk<SwitchMaterial>(relaxed = true)
+
+        every { fragment.provideEnableSwitch() } returns enableSwitch
+        every { fragment.providePrivateBrowsingSwitch() } returns privateBrowsingSwitch
+        every { addon.isDisabledAsBlocklisted() } returns false
+        every { addon.isEnabled() } returns true
+        every { fragment.addon } returns addon
+
+        fragment.bindEnableSwitch()
+
+        verify(exactly = 0) { enableSwitch.isEnabled = false }
+    }
 }