Hide all system actions if there are custom actions.

Nearby will have a separate home for launch, the others are
intentionally hidden per product feedback.

Bug: 274645844
Test: atest ContentPreviewUiTest
Test: atest CtsSharesheetDeviceTest
Change-Id: I5cd9157bc3ab6fd38a9993e470604633fd41c7e2

2 files changed, 84 insertions, 2 deletions

diff --git a/java/src/com/android/intentresolver/contentpreview/ContentPreviewUi.java b/java/src/com/android/intentresolver/contentpreview/ContentPreviewUi.java
index a6bc2164..2a6bff5c 100644
--- a/java/src/com/android/intentresolver/contentpreview/ContentPreviewUi.java
+++ b/java/src/com/android/intentresolver/contentpreview/ContentPreviewUi.java
@@ -75,9 +75,11 @@ abstract class ContentPreviewUi {
             FeatureFlagRepository featureFlagRepository) {
         ArrayList<ActionRow.Action> actions =
                 new ArrayList<>(systemActions.size() + customActions.size());
-        actions.addAll(systemActions);
-        if (featureFlagRepository.isEnabled(Flags.SHARESHEET_CUSTOM_ACTIONS)) {
+        if (featureFlagRepository.isEnabled(Flags.SHARESHEET_CUSTOM_ACTIONS)
+                && customActions != null && !customActions.isEmpty()) {
             actions.addAll(customActions);
+        } else {
+            actions.addAll(systemActions);
         }
         return actions;
     }
diff --git a/java/tests/src/com/android/intentresolver/contentpreview/ContentPreviewUiTest.kt b/java/tests/src/com/android/intentresolver/contentpreview/ContentPreviewUiTest.kt
new file mode 100644
index 00000000..2b78a262
--- /dev/null
+++ b/java/tests/src/com/android/intentresolver/contentpreview/ContentPreviewUiTest.kt
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.intentresolver.contentpreview
+
+import android.content.res.Resources
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import com.android.intentresolver.TestFeatureFlagRepository
+import com.android.intentresolver.flags.FeatureFlagRepository
+import com.android.intentresolver.flags.Flags
+import com.android.intentresolver.widget.ActionRow
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+
+class ContentPreviewUiTest {
+    private class TestablePreview(private val flags: FeatureFlagRepository) : ContentPreviewUi() {
+        override fun getType() = 0
+
+        override fun display(
+            resources: Resources?,
+            layoutInflater: LayoutInflater?,
+            parent: ViewGroup?
+        ): ViewGroup {
+            throw IllegalStateException()
+        }
+
+        // exposing for testing
+        fun makeActions(
+            system: List<ActionRow.Action>,
+            custom: List<ActionRow.Action>
+        ): List<ActionRow.Action> {
+            return createActions(system, custom, flags)
+        }
+    }
+
+    @Test
+    fun testCreateActions() {
+        val featureFlagRepository = TestFeatureFlagRepository(
+            mapOf(
+                Flags.SHARESHEET_CUSTOM_ACTIONS to true
+            )
+        )
+        val preview = TestablePreview(featureFlagRepository)
+
+        val system = listOf(ActionRow.Action(label="system", icon=null) {})
+        val custom = listOf(ActionRow.Action(label="custom", icon=null) {})
+
+        assertThat(preview.makeActions(system, custom)).isEqualTo(custom)
+        assertThat(preview.makeActions(system, listOf())).isEqualTo(system)
+    }
+
+    @Test
+    fun testCreateActions_flagDisabled() {
+        val featureFlagRepository = TestFeatureFlagRepository(
+            mapOf(
+                Flags.SHARESHEET_CUSTOM_ACTIONS to false
+            )
+        )
+        val preview = TestablePreview(featureFlagRepository)
+
+        val system = listOf(ActionRow.Action(label="system", icon=null) {})
+        val custom = listOf(ActionRow.Action(label="custom", icon=null) {})
+
+        assertThat(preview.makeActions(system, custom)).isEqualTo(system)
+    }
+}