PM-14409: Add realtime check for when the accessibility service is enabled or disabled (#4314)

app/src/main/java/com/x8bit/bitwarden/MainActivity.kt

@@ -15,7 +15,6 @@ import androidx.core.os.LocaleListCompat
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.navigation.compose.rememberNavController
-import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityActivityManager
 import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityCompletionManager
 import com.x8bit.bitwarden.data.autofill.manager.AutofillActivityManager
 import com.x8bit.bitwarden.data.autofill.manager.AutofillCompletionManager
@@ -39,9 +38,6 @@ class MainActivity : AppCompatActivity() {
 
     private val mainViewModel: MainViewModel by viewModels()
 
-    @Inject
-    lateinit var accessibilityActivityManager: AccessibilityActivityManager
-
     @Inject
     lateinit var autofillActivityManager: AutofillActivityManager
 

app/src/main/java/com/x8bit/bitwarden/data/autofill/accessibility/di/AccessibilityModule.kt

@@ -3,6 +3,7 @@ package com.x8bit.bitwarden.data.autofill.accessibility.di
 import android.content.Context
 import android.content.pm.PackageManager
 import android.os.PowerManager
+import android.view.accessibility.AccessibilityManager
 import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityAutofillManager
 import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityAutofillManagerImpl
 import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityCompletionManager
@@ -55,8 +56,12 @@ object AccessibilityModule {
 
     @Singleton
     @Provides
-    fun providesAccessibilityEnabledManager(): AccessibilityEnabledManager =
-        AccessibilityEnabledManagerImpl()
+    fun providesAccessibilityEnabledManager(
+        accessibilityManager: AccessibilityManager,
+    ): AccessibilityEnabledManager =
+        AccessibilityEnabledManagerImpl(
+            accessibilityManager = accessibilityManager,
+        )
 
     @Singleton
     @Provides
@@ -110,6 +115,12 @@ object AccessibilityModule {
         @ApplicationContext context: Context,
     ): PackageManager = context.packageManager
 
+    @Singleton
+    @Provides
+    fun provideAccessibilityManager(
+        @ApplicationContext context: Context,
+    ): AccessibilityManager = context.getSystemService(AccessibilityManager::class.java)
+
     @Singleton
     @Provides
     fun providesPowerManager(

app/src/main/java/com/x8bit/bitwarden/data/autofill/accessibility/di/ActivityAccessibilityModule.kt

@@ -1,36 +0,0 @@
-package com.x8bit.bitwarden.data.autofill.accessibility.di
-
-import android.content.Context
-import androidx.lifecycle.LifecycleCoroutineScope
-import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityActivityManager
-import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityActivityManagerImpl
-import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityEnabledManager
-import com.x8bit.bitwarden.data.platform.manager.AppStateManager
-import dagger.Module
-import dagger.Provides
-import dagger.hilt.InstallIn
-import dagger.hilt.android.components.ActivityComponent
-import dagger.hilt.android.qualifiers.ApplicationContext
-import dagger.hilt.android.scopes.ActivityScoped
-
-/**
- * Provides dependencies within the accessibility package scoped to the activity.
- */
-@Module
-@InstallIn(ActivityComponent::class)
-object ActivityAccessibilityModule {
-    @ActivityScoped
-    @Provides
-    fun providesAccessibilityActivityManager(
-        @ApplicationContext context: Context,
-        accessibilityEnabledManager: AccessibilityEnabledManager,
-        appStateManager: AppStateManager,
-        lifecycleScope: LifecycleCoroutineScope,
-    ): AccessibilityActivityManager =
-        AccessibilityActivityManagerImpl(
-            context = context,
-            accessibilityEnabledManager = accessibilityEnabledManager,
-            appStateManager = appStateManager,
-            lifecycleScope = lifecycleScope,
-        )
-}

app/src/main/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/AccessibilityActivityManager.kt

@@ -1,10 +0,0 @@
-package com.x8bit.bitwarden.data.autofill.accessibility.manager
-
-import android.app.Activity
-
-/**
- * A helper for dealing with accessibility configuration that must be scoped to a specific
- * [Activity]. In particular, this should be injected into an [Activity] to ensure that the
- * [AccessibilityEnabledManager] reports correct values.
- */
-interface AccessibilityActivityManager

app/src/main/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/AccessibilityActivityManagerImpl.kt

@@ -1,28 +0,0 @@
-package com.x8bit.bitwarden.data.autofill.accessibility.manager
-
-import android.content.Context
-import androidx.lifecycle.LifecycleCoroutineScope
-import com.x8bit.bitwarden.data.autofill.accessibility.util.isAccessibilityServiceEnabled
-import com.x8bit.bitwarden.data.platform.manager.AppStateManager
-import kotlinx.coroutines.flow.launchIn
-import kotlinx.coroutines.flow.onEach
-
-/**
- * The default implementation of the [AccessibilityActivityManager].
- */
-class AccessibilityActivityManagerImpl(
-    private val context: Context,
-    private val accessibilityEnabledManager: AccessibilityEnabledManager,
-    appStateManager: AppStateManager,
-    lifecycleScope: LifecycleCoroutineScope,
-) : AccessibilityActivityManager {
-    init {
-        appStateManager
-            .appForegroundStateFlow
-            .onEach {
-                accessibilityEnabledManager.isAccessibilityEnabled =
-                    context.isAccessibilityServiceEnabled
-            }
-            .launchIn(lifecycleScope)
-    }
-}

app/src/main/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/AccessibilityEnabledManager.kt

@@ -7,15 +7,7 @@ import kotlinx.coroutines.flow.StateFlow
  */
 interface AccessibilityEnabledManager {
     /**
-     * Whether or not the accessibility service should be considered enabled.
-     *
-     * Note that changing this does not enable or disable autofill; it is only an indicator that
-     * this has occurred elsewhere.
-     */
-    var isAccessibilityEnabled: Boolean
-
-    /**
-     * Emits updates that track [isAccessibilityEnabled] values.
+     * Emits updates that track whether the accessibility autofill service is enabled..
      */
     val isAccessibilityEnabledStateFlow: StateFlow<Boolean>
 }

app/src/main/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/AccessibilityEnabledManagerImpl.kt

@@ -1,5 +1,6 @@
 package com.x8bit.bitwarden.data.autofill.accessibility.manager
 
+import android.view.accessibility.AccessibilityManager
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -7,14 +8,18 @@ import kotlinx.coroutines.flow.asStateFlow
 /**
  * The default implementation of [AccessibilityEnabledManager].
  */
-class AccessibilityEnabledManagerImpl : AccessibilityEnabledManager {
+class AccessibilityEnabledManagerImpl(
+    accessibilityManager: AccessibilityManager,
+) : AccessibilityEnabledManager {
     private val mutableIsAccessibilityEnabledStateFlow = MutableStateFlow(value = false)
 
-    override var isAccessibilityEnabled: Boolean
-        get() = mutableIsAccessibilityEnabledStateFlow.value
-        set(value) {
-            mutableIsAccessibilityEnabledStateFlow.value = value
-        }
+    init {
+        accessibilityManager.addAccessibilityStateChangeListener(
+            AccessibilityManager.AccessibilityStateChangeListener { isEnabled ->
+                mutableIsAccessibilityEnabledStateFlow.value = isEnabled
+            },
+        )
+    }
 
     override val isAccessibilityEnabledStateFlow: StateFlow<Boolean>
         get() = mutableIsAccessibilityEnabledStateFlow.asStateFlow()

app/src/test/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/AccessibilityActivityManagerTest.kt

@@ -1,81 +0,0 @@
-package com.x8bit.bitwarden.data.autofill.accessibility.manager
-
-import android.content.Context
-import androidx.lifecycle.LifecycleCoroutineScope
-import app.cash.turbine.test
-import com.x8bit.bitwarden.data.autofill.accessibility.util.isAccessibilityServiceEnabled
-import com.x8bit.bitwarden.data.platform.manager.AppStateManager
-import com.x8bit.bitwarden.data.platform.manager.model.AppForegroundState
-import io.mockk.every
-import io.mockk.mockk
-import io.mockk.mockkStatic
-import io.mockk.unmockkStatic
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.test.UnconfinedTestDispatcher
-import kotlinx.coroutines.test.runTest
-import org.junit.jupiter.api.AfterEach
-import org.junit.jupiter.api.Assertions.assertFalse
-import org.junit.jupiter.api.Assertions.assertTrue
-import org.junit.jupiter.api.BeforeEach
-import org.junit.jupiter.api.Test
-
-@OptIn(ExperimentalCoroutinesApi::class)
-class AccessibilityActivityManagerTest {
-    private val context: Context = mockk()
-    private val accessibilityEnabledManager: AccessibilityEnabledManager =
-        AccessibilityEnabledManagerImpl()
-    private val mutableAppForegroundStateFlow = MutableStateFlow(AppForegroundState.BACKGROUNDED)
-    private val appStateManager: AppStateManager = mockk {
-        every { appForegroundStateFlow } returns mutableAppForegroundStateFlow
-    }
-    private val lifecycleScope = mockk<LifecycleCoroutineScope> {
-        every { coroutineContext } returns UnconfinedTestDispatcher()
-    }
-
-    // We will construct an instance here just to hook the various dependencies together internally
-    private lateinit var autofillActivityManager: AccessibilityActivityManager
-
-    @BeforeEach
-    fun setup() {
-        mockkStatic(Context::isAccessibilityServiceEnabled)
-        every { context.isAccessibilityServiceEnabled } returns false
-        autofillActivityManager = AccessibilityActivityManagerImpl(
-            context = context,
-            accessibilityEnabledManager = accessibilityEnabledManager,
-            appStateManager = appStateManager,
-            lifecycleScope = lifecycleScope,
-        )
-    }
-
-    @AfterEach
-    fun tearDown() {
-        unmockkStatic(Context::isAccessibilityServiceEnabled)
-    }
-
-    @Test
-    fun `changes in app foreground status should update the AutofillEnabledManager as necessary`() =
-        runTest {
-            accessibilityEnabledManager.isAccessibilityEnabledStateFlow.test {
-                assertFalse(awaitItem())
-
-                // An update is received when both the accessibility state and foreground state
-                // change
-                every { context.isAccessibilityServiceEnabled } returns true
-                mutableAppForegroundStateFlow.value = AppForegroundState.FOREGROUNDED
-                assertTrue(awaitItem())
-
-                // An update is not received when only the foreground state changes
-                mutableAppForegroundStateFlow.value = AppForegroundState.BACKGROUNDED
-                expectNoEvents()
-
-                // An update is not received when only the accessibility state changes
-                every { context.isAccessibilityServiceEnabled } returns false
-                expectNoEvents()
-
-                // An update is received after both states have changed
-                mutableAppForegroundStateFlow.value = AppForegroundState.FOREGROUNDED
-                assertFalse(awaitItem())
-            }
-        }
-}

app/src/test/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/AccessibilityEnabledManagerTest.kt

@@ -1,6 +1,10 @@
 package com.x8bit.bitwarden.data.autofill.accessibility.manager
 
+import android.view.accessibility.AccessibilityManager
 import app.cash.turbine.test
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.slot
 import kotlinx.coroutines.test.runTest
 import org.junit.jupiter.api.Assertions.assertFalse
 import org.junit.jupiter.api.Assertions.assertTrue
@@ -8,23 +12,33 @@ import org.junit.jupiter.api.Test
 
 class AccessibilityEnabledManagerTest {
 
+    private val accessibilityStateChangeListener =
+        slot<AccessibilityManager.AccessibilityStateChangeListener>()
+    private val accessibilityManager = mockk<AccessibilityManager> {
+        every {
+            addAccessibilityStateChangeListener(capture(accessibilityStateChangeListener))
+        } returns true
+    }
+
     private val accessibilityEnabledManager: AccessibilityEnabledManager =
-        AccessibilityEnabledManagerImpl()
+        AccessibilityEnabledManagerImpl(
+            accessibilityManager = accessibilityManager,
+        )
 
     @Suppress("MaxLineLength")
     @Test
-    fun `isAccessibilityEnabledStateFlow should emit whenever isAccessibilityEnabled is set to a unique value`() =
+    fun `isAccessibilityEnabledStateFlow should emit whenever accessibilityStateChangeListener emits a unique value`() =
         runTest {
             accessibilityEnabledManager.isAccessibilityEnabledStateFlow.test {
                 assertFalse(awaitItem())
 
-                accessibilityEnabledManager.isAccessibilityEnabled = true
+                accessibilityStateChangeListener.captured.onAccessibilityStateChanged(true)
                 assertTrue(awaitItem())
 
-                accessibilityEnabledManager.isAccessibilityEnabled = true
+                accessibilityStateChangeListener.captured.onAccessibilityStateChanged(true)
                 expectNoEvents()
 
-                accessibilityEnabledManager.isAccessibilityEnabled = false
+                accessibilityStateChangeListener.captured.onAccessibilityStateChanged(false)
                 assertFalse(awaitItem())
             }
         }

app/src/test/java/com/x8bit/bitwarden/data/autofill/accessibility/manager/FakeAccessibilityEnabledManager.kt

@@ -0,0 +1,19 @@
+package com.x8bit.bitwarden.data.autofill.accessibility.manager
+
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+class FakeAccessibilityEnabledManager : AccessibilityEnabledManager {
+
+    private val mutableIsAccessibilityEnabledStateFlow = MutableStateFlow(value = false)
+
+    override val isAccessibilityEnabledStateFlow: StateFlow<Boolean>
+        get() = mutableIsAccessibilityEnabledStateFlow.asStateFlow()
+
+    var isAccessibilityEnabled: Boolean
+        get() = mutableIsAccessibilityEnabledStateFlow.value
+        set(value) {
+            mutableIsAccessibilityEnabledStateFlow.value = value
+        }
+}

app/src/test/java/com/x8bit/bitwarden/data/platform/repository/SettingsRepositoryTest.kt

@@ -12,8 +12,7 @@ import com.x8bit.bitwarden.data.auth.datasource.network.model.KdfTypeJson
 import com.x8bit.bitwarden.data.auth.datasource.network.model.TrustedDeviceUserDecryptionOptionsJson
 import com.x8bit.bitwarden.data.auth.datasource.network.model.UserDecryptionOptionsJson
 import com.x8bit.bitwarden.data.auth.repository.model.UserFingerprintResult
-import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityEnabledManager
-import com.x8bit.bitwarden.data.autofill.accessibility.manager.AccessibilityEnabledManagerImpl
+import com.x8bit.bitwarden.data.autofill.accessibility.manager.FakeAccessibilityEnabledManager
 import com.x8bit.bitwarden.data.autofill.manager.AutofillEnabledManager
 import com.x8bit.bitwarden.data.autofill.manager.AutofillEnabledManagerImpl
 import com.x8bit.bitwarden.data.platform.base.FakeDispatcherManager
@@ -55,8 +54,7 @@ class SettingsRepositoryTest {
         every { disableAutofillServices() } just runs
     }
     private val autofillEnabledManager: AutofillEnabledManager = AutofillEnabledManagerImpl()
-    private val accessibilityEnabledManager: AccessibilityEnabledManager =
-        AccessibilityEnabledManagerImpl()
+    private val fakeAccessibilityEnabledManager = FakeAccessibilityEnabledManager()
     private val fakeAuthDiskSource = FakeAuthDiskSource()
     private val fakeSettingsDiskSource = FakeSettingsDiskSource()
     private val vaultSdkSource: VaultSdkSource = mockk()
@@ -75,7 +73,7 @@ class SettingsRepositoryTest {
         settingsDiskSource = fakeSettingsDiskSource,
         vaultSdkSource = vaultSdkSource,
         biometricsEncryptionManager = biometricsEncryptionManager,
-        accessibilityEnabledManager = accessibilityEnabledManager,
+        accessibilityEnabledManager = fakeAccessibilityEnabledManager,
         dispatcherManager = FakeDispatcherManager(),
         policyManager = policyManager,
     )
@@ -691,10 +689,10 @@ class SettingsRepositoryTest {
             settingsRepository.isAccessibilityEnabledStateFlow.test {
                 assertFalse(awaitItem())
 
-                accessibilityEnabledManager.isAccessibilityEnabled = true
+                fakeAccessibilityEnabledManager.isAccessibilityEnabled = true
                 assertTrue(awaitItem())
 
-                accessibilityEnabledManager.isAccessibilityEnabled = false
+                fakeAccessibilityEnabledManager.isAccessibilityEnabled = false
                 assertFalse(awaitItem())
             }
         }