[Partial Screensharing] Support enterprise policy

Implemented recent tasks filtering, removed the feature flag, and update
the unit tests.

Fixes: 263950746
Test: MediaProjectionAppSelectorControllerTest
Change-Id: Ie91947481f93a84ba851bc36afd663c0e9e82fb7

packages/SystemUI/src/com/android/systemui/media/MediaProjectionAppSelectorActivity.kt

@@ -38,8 +38,6 @@ import com.android.internal.app.ResolverListController
 import com.android.internal.app.chooser.NotSelectableTargetInfo
 import com.android.internal.app.chooser.TargetInfo
 import com.android.systemui.R
-import com.android.systemui.flags.FeatureFlags
-import com.android.systemui.flags.Flags
 import com.android.systemui.mediaprojection.appselector.MediaProjectionAppSelectorComponent
 import com.android.systemui.mediaprojection.appselector.MediaProjectionAppSelectorController
 import com.android.systemui.mediaprojection.appselector.MediaProjectionAppSelectorResultHandler
@@ -53,7 +51,6 @@ import javax.inject.Inject
 class MediaProjectionAppSelectorActivity(
     private val componentFactory: MediaProjectionAppSelectorComponent.Factory,
     private val activityLauncher: AsyncActivityLauncher,
-    private val featureFlags: FeatureFlags,
     /** This is used to override the dependency in a screenshot test */
     @VisibleForTesting
     private val listControllerFactory: ((userHandle: UserHandle) -> ResolverListController)?
@@ -62,9 +59,8 @@ class MediaProjectionAppSelectorActivity(
     @Inject
     constructor(
         componentFactory: MediaProjectionAppSelectorComponent.Factory,
-        activityLauncher: AsyncActivityLauncher,
-        featureFlags: FeatureFlags
-    ) : this(componentFactory, activityLauncher, featureFlags, listControllerFactory = null)
+        activityLauncher: AsyncActivityLauncher
+    ) : this(componentFactory, activityLauncher, listControllerFactory = null)
 
     private lateinit var configurationController: ConfigurationController
     private lateinit var controller: MediaProjectionAppSelectorController
@@ -108,11 +104,7 @@ class MediaProjectionAppSelectorActivity(
     override fun appliedThemeResId(): Int = R.style.Theme_SystemUI_MediaProjectionAppSelector
 
     override fun createBlockerEmptyStateProvider(): EmptyStateProvider =
-        if (featureFlags.isEnabled(Flags.WM_ENABLE_PARTIAL_SCREEN_SHARING_ENTERPRISE_POLICIES)) {
-            component.emptyStateProvider
-        } else {
-            object : EmptyStateProvider {}
-        }
+        component.emptyStateProvider
 
     override fun createListController(userHandle: UserHandle): ResolverListController =
         listControllerFactory?.invoke(userHandle) ?: super.createListController(userHandle)

packages/SystemUI/src/com/android/systemui/mediaprojection/appselector/MediaProjectionAppSelectorController.kt

@@ -18,9 +18,9 @@ package com.android.systemui.mediaprojection.appselector
 
 import android.content.ComponentName
 import android.os.UserHandle
-import com.android.systemui.flags.FeatureFlags
 import com.android.systemui.mediaprojection.appselector.data.RecentTask
 import com.android.systemui.mediaprojection.appselector.data.RecentTaskListProvider
+import com.android.systemui.mediaprojection.devicepolicy.ScreenCaptureDevicePolicyResolver
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.cancel
@@ -32,7 +32,7 @@ class MediaProjectionAppSelectorController
 constructor(
     private val recentTaskListProvider: RecentTaskListProvider,
     private val view: MediaProjectionAppSelectorView,
-    private val flags: FeatureFlags,
+    private val devicePolicyResolver: ScreenCaptureDevicePolicyResolver,
     @HostUserHandle private val hostUserHandle: UserHandle,
     @MediaProjectionAppSelector private val scope: CoroutineScope,
     @MediaProjectionAppSelector private val appSelectorComponentName: ComponentName,
@@ -54,11 +54,13 @@ constructor(
         scope.cancel()
     }
 
-    /**
-     * Removes all recent tasks that are different from the profile of the host app to avoid any
-     * cross-profile sharing
-     */
-    private fun List<RecentTask>.filterDevicePolicyRestrictedTasks(): List<RecentTask> = this
+    /** Removes all recent tasks that should be blocked according to the policy */
+    private fun List<RecentTask>.filterDevicePolicyRestrictedTasks(): List<RecentTask> = filter {
+        devicePolicyResolver.isScreenCaptureAllowed(
+            targetAppUserHandle = UserHandle.of(it.userId),
+            hostAppUserHandle = hostUserHandle
+        )
+    }
 
     private fun List<RecentTask>.filterAppSelector(): List<RecentTask> = filter {
         // Only take tasks that is not the app selector

packages/SystemUI/src/com/android/systemui/mediaprojection/devicepolicy/ScreenCaptureDevicePolicyResolver.kt

@@ -47,7 +47,7 @@ constructor(
             return false
         }
 
-        if (!hostAppUserHandle.isWorkProfile() && personalProfileScreenCaptureDisabled) {
+        if (personalProfileScreenCaptureDisabled) {
             // Disable screen capturing as personal apps should not capture the screen
             return false
         }

packages/SystemUI/tests/src/com/android/systemui/mediaprojection/appselector/MediaProjectionAppSelectorControllerTest.kt

@@ -5,14 +5,15 @@ import android.os.UserHandle
 import android.testing.AndroidTestingRunner
 import androidx.test.filters.SmallTest
 import com.android.systemui.SysuiTestCase
-import com.android.systemui.flags.FeatureFlags
-import com.android.systemui.flags.Flags
 import com.android.systemui.mediaprojection.appselector.data.RecentTask
 import com.android.systemui.mediaprojection.appselector.data.RecentTaskListProvider
+import com.android.systemui.mediaprojection.devicepolicy.ScreenCaptureDevicePolicyResolver
+import com.android.systemui.util.mockito.any
 import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.whenever
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.mockito.Mockito.verify
@@ -27,23 +28,28 @@ class MediaProjectionAppSelectorControllerTest : SysuiTestCase() {
     private val callerPackageName = "com.test.caller"
     private val callerComponentName = ComponentName(callerPackageName, "Caller")
 
-    private val hostUserHandle = UserHandle.of(123)
-    private val otherUserHandle = UserHandle.of(456)
+    private val personalUserHandle = UserHandle.of(123)
+    private val workUserHandle = UserHandle.of(456)
 
     private val view: MediaProjectionAppSelectorView = mock()
-    private val featureFlags: FeatureFlags = mock()
+    private val policyResolver: ScreenCaptureDevicePolicyResolver = mock()
 
     private val controller =
         MediaProjectionAppSelectorController(
             taskListProvider,
             view,
-            featureFlags,
-            hostUserHandle,
+            policyResolver,
+            personalUserHandle,
             scope,
             appSelectorComponentName,
             callerPackageName
         )
 
+    @Before
+    fun setup() {
+        givenCaptureAllowed(isAllow = true)
+    }
+
     @Test
     fun initNoRecentTasks_bindsEmptyList() {
         taskListProvider.tasks = emptyList()
@@ -132,73 +138,57 @@ class MediaProjectionAppSelectorControllerTest : SysuiTestCase() {
     }
 
     @Test
-    fun initRecentTasksWithAppSelectorTasks_enterprisePoliciesDisabled_bindsAllTasks() {
-        givenEnterprisePoliciesFeatureFlag(enabled = false)
-
+    fun initRecentTasksWithAppSelectorTasks_withEnterprisePolicies_bindsAllTasks() {
         val tasks =
             listOf(
-                createRecentTask(taskId = 1, userId = hostUserHandle.identifier),
-                createRecentTask(taskId = 2, userId = otherUserHandle.identifier),
-                createRecentTask(taskId = 3, userId = hostUserHandle.identifier),
-                createRecentTask(taskId = 4, userId = otherUserHandle.identifier),
-                createRecentTask(taskId = 5, userId = hostUserHandle.identifier),
+                createRecentTask(taskId = 1, userId = personalUserHandle.identifier),
+                createRecentTask(taskId = 2, userId = workUserHandle.identifier),
+                createRecentTask(taskId = 3, userId = personalUserHandle.identifier),
+                createRecentTask(taskId = 4, userId = workUserHandle.identifier),
+                createRecentTask(taskId = 5, userId = personalUserHandle.identifier),
             )
         taskListProvider.tasks = tasks
 
         controller.init()
 
-        // TODO (b/263950746): Cross-profile filtering is removed for now. This should be brought
-        // back with the future fix
         verify(view)
             .bind(
                 listOf(
-                    createRecentTask(taskId = 1, userId = hostUserHandle.identifier),
-                    createRecentTask(taskId = 2, userId = otherUserHandle.identifier),
-                    createRecentTask(taskId = 3, userId = hostUserHandle.identifier),
-                    createRecentTask(taskId = 4, userId = otherUserHandle.identifier),
-                    createRecentTask(taskId = 5, userId = hostUserHandle.identifier),
+                    createRecentTask(taskId = 1, userId = personalUserHandle.identifier),
+                    createRecentTask(taskId = 2, userId = workUserHandle.identifier),
+                    createRecentTask(taskId = 3, userId = personalUserHandle.identifier),
+                    createRecentTask(taskId = 4, userId = workUserHandle.identifier),
+                    createRecentTask(taskId = 5, userId = personalUserHandle.identifier),
                 )
             )
     }
 
     @Test
-    fun initRecentTasksWithAppSelectorTasks_enterprisePoliciesEnabled_bindsAllTasks() {
-        givenEnterprisePoliciesFeatureFlag(enabled = true)
-
+    fun initRecentTasksWithAppSelectorTasks_withEnterprisePolicies_blocksAllTasks() {
         val tasks =
             listOf(
-                createRecentTask(taskId = 1, userId = hostUserHandle.identifier),
-                createRecentTask(taskId = 2, userId = otherUserHandle.identifier),
-                createRecentTask(taskId = 3, userId = hostUserHandle.identifier),
-                createRecentTask(taskId = 4, userId = otherUserHandle.identifier),
-                createRecentTask(taskId = 5, userId = hostUserHandle.identifier),
+                createRecentTask(taskId = 1, userId = personalUserHandle.identifier),
+                createRecentTask(taskId = 2, userId = workUserHandle.identifier),
+                createRecentTask(taskId = 3, userId = personalUserHandle.identifier),
+                createRecentTask(taskId = 4, userId = workUserHandle.identifier),
+                createRecentTask(taskId = 5, userId = personalUserHandle.identifier),
             )
         taskListProvider.tasks = tasks
 
+        givenCaptureAllowed(isAllow = false)
         controller.init()
 
-        // TODO(b/233348916) should filter depending on the policies
-        verify(view)
-            .bind(
-                listOf(
-                    createRecentTask(taskId = 1, userId = hostUserHandle.identifier),
-                    createRecentTask(taskId = 2, userId = otherUserHandle.identifier),
-                    createRecentTask(taskId = 3, userId = hostUserHandle.identifier),
-                    createRecentTask(taskId = 4, userId = otherUserHandle.identifier),
-                    createRecentTask(taskId = 5, userId = hostUserHandle.identifier),
-                )
-            )
+        verify(view).bind(emptyList())
     }
 
-    private fun givenEnterprisePoliciesFeatureFlag(enabled: Boolean) {
-        whenever(featureFlags.isEnabled(Flags.WM_ENABLE_PARTIAL_SCREEN_SHARING_ENTERPRISE_POLICIES))
-            .thenReturn(enabled)
+    private fun givenCaptureAllowed(isAllow: Boolean) {
+        whenever(policyResolver.isScreenCaptureAllowed(any(), any())).thenReturn(isAllow)
     }
 
     private fun createRecentTask(
         taskId: Int,
         topActivityComponent: ComponentName? = null,
-        userId: Int = hostUserHandle.identifier
+        userId: Int = personalUserHandle.identifier
     ): RecentTask {
         return RecentTask(
             taskId = taskId,

packages/SystemUI/tests/src/com/android/systemui/mediaprojection/devicepolicy/ScreenCaptureDevicePolicyResolverTest.kt

@@ -400,28 +400,6 @@ class IsAllowedScreenCaptureDevicePolicyResolverTest(
                         ),
                     expectedScreenCaptureAllowed = false,
                 ),
-                IsScreenCaptureAllowedTestCase(
-                    given =
-                        Preconditions(
-                            isHostInWorkProfile = true,
-                            isTargetInWorkProfile = true,
-                            personalScreenCaptureDisabled = true,
-                            workScreenCaptureDisabled = false,
-                            disallowShareIntoManagedProfile = false
-                        ),
-                    expectedScreenCaptureAllowed = true,
-                ),
-                IsScreenCaptureAllowedTestCase(
-                    given =
-                        Preconditions(
-                            isHostInWorkProfile = true,
-                            isTargetInWorkProfile = true,
-                            personalScreenCaptureDisabled = true,
-                            workScreenCaptureDisabled = false,
-                            disallowShareIntoManagedProfile = true
-                        ),
-                    expectedScreenCaptureAllowed = true,
-                ),
                 IsScreenCaptureAllowedTestCase(
                     given =
                         Preconditions(
@@ -621,26 +599,6 @@ class IsCompletelyNotAllowedScreenCaptureDevicePolicyResolverTest(
                         ),
                     expectedScreenCaptureCompletelyDisabled = true,
                 ),
-                IsScreenCaptureCompletelyDisabledTestCase(
-                    given =
-                        Preconditions(
-                            isHostInWorkProfile = true,
-                            personalScreenCaptureDisabled = true,
-                            workScreenCaptureDisabled = false,
-                            disallowShareIntoManagedProfile = false
-                        ),
-                    expectedScreenCaptureCompletelyDisabled = false,
-                ),
-                IsScreenCaptureCompletelyDisabledTestCase(
-                    given =
-                        Preconditions(
-                            isHostInWorkProfile = true,
-                            personalScreenCaptureDisabled = true,
-                            workScreenCaptureDisabled = false,
-                            disallowShareIntoManagedProfile = true
-                        ),
-                    expectedScreenCaptureCompletelyDisabled = false,
-                ),
                 IsScreenCaptureCompletelyDisabledTestCase(
                     given =
                         Preconditions(
@@ -686,7 +644,8 @@ class IsCompletelyNotAllowedScreenCaptureDevicePolicyResolverTest(
                 "personal screen capture disabled = ${given.personalScreenCaptureDisabled}, " +
                 "work screen capture disabled = ${given.workScreenCaptureDisabled}, " +
                 "disallow share into managed profile = ${given.disallowShareIntoManagedProfile}, " +
-                "expected screen capture completely disabled = $expectedScreenCaptureCompletelyDisabled"
+                "expected screen capture completely disabled = " +
+                "$expectedScreenCaptureCompletelyDisabled"
     }
 
     @Test