Merge "Extract loading of camera protection info into a separate class" into main
diff --git a/packages/SystemUI/src/com/android/systemui/CameraAvailabilityListener.kt b/packages/SystemUI/src/com/android/systemui/CameraAvailabilityListener.kt
index 5f5cca8..e8499d3 100644
--- a/packages/SystemUI/src/com/android/systemui/CameraAvailabilityListener.kt
+++ b/packages/SystemUI/src/com/android/systemui/CameraAvailabilityListener.kt
@@ -17,15 +17,11 @@
 package com.android.systemui
 
 import android.content.Context
-import android.content.res.Resources
 import android.graphics.Path
 import android.graphics.Rect
-import android.graphics.RectF
 import android.hardware.camera2.CameraManager
-import android.util.PathParser
 import com.android.systemui.res.R
 import java.util.concurrent.Executor
-import kotlin.math.roundToInt
 
 /**
  * Listens for usage of the Camera and controls the ScreenDecorations transition to show extra
@@ -163,89 +159,20 @@
     }
 
     companion object Factory {
-        fun build(context: Context, executor: Executor): CameraAvailabilityListener {
+        fun build(
+            context: Context,
+            executor: Executor,
+            cameraProtectionLoader: CameraProtectionLoader
+        ): CameraAvailabilityListener {
             val manager = context.getSystemService(Context.CAMERA_SERVICE) as CameraManager
             val res = context.resources
-            val cameraProtectionInfoList = loadCameraProtectionInfoList(res)
+            val cameraProtectionInfoList = cameraProtectionLoader.loadCameraProtectionInfoList()
             val excluded = res.getString(R.string.config_cameraProtectionExcludedPackages)
 
             return CameraAvailabilityListener(manager, cameraProtectionInfoList, excluded, executor)
         }
-
-        private fun pathFromString(pathString: String): Path {
-            val spec = pathString.trim()
-            val p: Path
-            try {
-                p = PathParser.createPathFromPathData(spec)
-            } catch (e: Throwable) {
-                throw IllegalArgumentException("Invalid protection path", e)
-            }
-
-            return p
-        }
-
-        private fun loadCameraProtectionInfoList(res: Resources): List<CameraProtectionInfo> {
-            val list = mutableListOf<CameraProtectionInfo>()
-            val front =
-                loadCameraProtectionInfo(
-                    res,
-                    R.string.config_protectedCameraId,
-                    R.string.config_protectedPhysicalCameraId,
-                    R.string.config_frontBuiltInDisplayCutoutProtection
-                )
-            if (front != null) {
-                list.add(front)
-            }
-            val inner =
-                loadCameraProtectionInfo(
-                    res,
-                    R.string.config_protectedInnerCameraId,
-                    R.string.config_protectedInnerPhysicalCameraId,
-                    R.string.config_innerBuiltInDisplayCutoutProtection
-                )
-            if (inner != null) {
-                list.add(inner)
-            }
-            return list
-        }
-
-        private fun loadCameraProtectionInfo(
-            res: Resources,
-            cameraIdRes: Int,
-            physicalCameraIdRes: Int,
-            pathRes: Int
-        ): CameraProtectionInfo? {
-            val logicalCameraId = res.getString(cameraIdRes)
-            if (logicalCameraId.isNullOrEmpty()) {
-                return null
-            }
-            val physicalCameraId = res.getString(physicalCameraIdRes)
-            val protectionPath = pathFromString(res.getString(pathRes))
-            val computed = RectF()
-            protectionPath.computeBounds(computed)
-            val protectionBounds =
-                Rect(
-                    computed.left.roundToInt(),
-                    computed.top.roundToInt(),
-                    computed.right.roundToInt(),
-                    computed.bottom.roundToInt()
-                )
-            return CameraProtectionInfo(
-                logicalCameraId,
-                physicalCameraId,
-                protectionPath,
-                protectionBounds
-            )
-        }
     }
 
-    data class CameraProtectionInfo(
-        val logicalCameraId: String,
-        val physicalCameraId: String?,
-        val cutoutProtectionPath: Path,
-        val cutoutBounds: Rect,
-    )
-
     private data class OpenCameraInfo(
         val logicalCameraId: String,
         val packageId: String,
diff --git a/packages/SystemUI/src/com/android/systemui/CameraProtectionInfo.kt b/packages/SystemUI/src/com/android/systemui/CameraProtectionInfo.kt
new file mode 100644
index 0000000..bbab4de
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/CameraProtectionInfo.kt
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2024 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.systemui
+
+import android.graphics.Path
+import android.graphics.Rect
+
+data class CameraProtectionInfo(
+    val logicalCameraId: String,
+    val physicalCameraId: String?,
+    val cutoutProtectionPath: Path,
+    val cutoutBounds: Rect,
+)
diff --git a/packages/SystemUI/src/com/android/systemui/CameraProtectionLoader.kt b/packages/SystemUI/src/com/android/systemui/CameraProtectionLoader.kt
new file mode 100644
index 0000000..8fe9389
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/CameraProtectionLoader.kt
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2024 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.systemui
+
+import android.content.Context
+import android.graphics.Path
+import android.graphics.Rect
+import android.graphics.RectF
+import android.util.PathParser
+import com.android.systemui.res.R
+import javax.inject.Inject
+import kotlin.math.roundToInt
+
+class CameraProtectionLoader @Inject constructor(private val context: Context) {
+
+    fun loadCameraProtectionInfoList(): List<CameraProtectionInfo> {
+        val list = mutableListOf<CameraProtectionInfo>()
+        val front =
+            loadCameraProtectionInfo(
+                R.string.config_protectedCameraId,
+                R.string.config_protectedPhysicalCameraId,
+                R.string.config_frontBuiltInDisplayCutoutProtection
+            )
+        if (front != null) {
+            list.add(front)
+        }
+        val inner =
+            loadCameraProtectionInfo(
+                R.string.config_protectedInnerCameraId,
+                R.string.config_protectedInnerPhysicalCameraId,
+                R.string.config_innerBuiltInDisplayCutoutProtection
+            )
+        if (inner != null) {
+            list.add(inner)
+        }
+        return list
+    }
+
+    private fun loadCameraProtectionInfo(
+        cameraIdRes: Int,
+        physicalCameraIdRes: Int,
+        pathRes: Int
+    ): CameraProtectionInfo? {
+        val logicalCameraId = context.getString(cameraIdRes)
+        if (logicalCameraId.isNullOrEmpty()) {
+            return null
+        }
+        val physicalCameraId = context.getString(physicalCameraIdRes)
+        val protectionPath = pathFromString(context.getString(pathRes))
+        val computed = RectF()
+        protectionPath.computeBounds(computed)
+        val protectionBounds =
+            Rect(
+                computed.left.roundToInt(),
+                computed.top.roundToInt(),
+                computed.right.roundToInt(),
+                computed.bottom.roundToInt()
+            )
+        return CameraProtectionInfo(
+            logicalCameraId,
+            physicalCameraId,
+            protectionPath,
+            protectionBounds
+        )
+    }
+
+    private fun pathFromString(pathString: String): Path {
+        return try {
+            PathParser.createPathFromPathData(pathString.trim())
+        } catch (e: Throwable) {
+            throw IllegalArgumentException("Invalid protection path", e)
+        }
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java b/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java
index d6d5c26..3e03fb8 100644
--- a/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java
+++ b/packages/SystemUI/src/com/android/systemui/ScreenDecorations.java
@@ -146,6 +146,7 @@
     private final ThreadFactory mThreadFactory;
     private final DecorProviderFactory mDotFactory;
     private final FaceScanningProviderFactory mFaceScanningFactory;
+    private final CameraProtectionLoader mCameraProtectionLoader;
     public final int mFaceScanningViewId;
 
     @VisibleForTesting
@@ -333,7 +334,8 @@
             FaceScanningProviderFactory faceScanningFactory,
             ScreenDecorationsLogger logger,
             FacePropertyRepository facePropertyRepository,
-            JavaAdapter javaAdapter) {
+            JavaAdapter javaAdapter,
+            CameraProtectionLoader cameraProtectionLoader) {
         mContext = context;
         mSecureSettings = secureSettings;
         mCommandRegistry = commandRegistry;
@@ -343,6 +345,7 @@
         mThreadFactory = threadFactory;
         mDotFactory = dotFactory;
         mFaceScanningFactory = faceScanningFactory;
+        mCameraProtectionLoader = cameraProtectionLoader;
         mFaceScanningViewId = com.android.systemui.res.R.id.face_scanning_anim;
         mLogger = logger;
         mFacePropertyRepository = facePropertyRepository;
@@ -981,7 +984,9 @@
         Resources res = mContext.getResources();
         boolean enabled = res.getBoolean(R.bool.config_enableDisplayCutoutProtection);
         if (enabled) {
-            mCameraListener = CameraAvailabilityListener.Factory.build(mContext, mExecutor);
+            mCameraListener =
+                    CameraAvailabilityListener.Factory.build(
+                            mContext, mExecutor, mCameraProtectionLoader);
             mCameraListener.addTransitionCallback(mCameraTransitionCallback);
             mCameraListener.startListening();
         }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/CameraAvailabilityListenerTest.kt b/packages/SystemUI/tests/src/com/android/systemui/CameraAvailabilityListenerTest.kt
index e921a59..64cd526 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/CameraAvailabilityListenerTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/CameraAvailabilityListenerTest.kt
@@ -344,10 +344,15 @@
     }
 
     private fun createAndStartSut(): CameraAvailabilityListener {
-        return CameraAvailabilityListener.build(context, context.mainExecutor).also {
-            it.addTransitionCallback(cameraTransitionCallback)
-            it.startListening()
-        }
+        return CameraAvailabilityListener.build(
+                context,
+                context.mainExecutor,
+                CameraProtectionLoader((context))
+            )
+            .also {
+                it.addTransitionCallback(cameraTransitionCallback)
+                it.startListening()
+            }
     }
 
     private class TestCameraTransitionCallback :
diff --git a/packages/SystemUI/tests/src/com/android/systemui/CameraProtectionLoaderTest.kt b/packages/SystemUI/tests/src/com/android/systemui/CameraProtectionLoaderTest.kt
new file mode 100644
index 0000000..238e5e9
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/CameraProtectionLoaderTest.kt
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2024 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.systemui
+
+import android.graphics.Rect
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.SmallTest
+import com.android.systemui.res.R
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@SmallTest
+@RunWith(AndroidJUnit4::class)
+class CameraProtectionLoaderTest : SysuiTestCase() {
+
+    private val loader = CameraProtectionLoader(context)
+
+    @Before
+    fun setUp() {
+        overrideResource(R.string.config_protectedCameraId, OUTER_CAMERA_LOGICAL_ID)
+        overrideResource(R.string.config_protectedPhysicalCameraId, OUTER_CAMERA_PHYSICAL_ID)
+        overrideResource(
+            R.string.config_frontBuiltInDisplayCutoutProtection,
+            OUTER_CAMERA_PROTECTION_PATH
+        )
+        overrideResource(R.string.config_protectedInnerCameraId, INNER_CAMERA_LOGICAL_ID)
+        overrideResource(R.string.config_protectedInnerPhysicalCameraId, INNER_CAMERA_PHYSICAL_ID)
+        overrideResource(
+            R.string.config_innerBuiltInDisplayCutoutProtection,
+            INNER_CAMERA_PROTECTION_PATH
+        )
+    }
+
+    @Test
+    fun loadCameraProtectionInfoList() {
+        val protectionInfos = loader.loadCameraProtectionInfoList().map { it.toTestableVersion() }
+
+        assertThat(protectionInfos)
+            .containsExactly(OUTER_CAMERA_PROTECTION_INFO, INNER_CAMERA_PROTECTION_INFO)
+    }
+
+    @Test
+    fun loadCameraProtectionInfoList_outerCameraIdEmpty_onlyReturnsInnerInfo() {
+        overrideResource(R.string.config_protectedCameraId, "")
+
+        val protectionInfos = loader.loadCameraProtectionInfoList().map { it.toTestableVersion() }
+
+        assertThat(protectionInfos).containsExactly(INNER_CAMERA_PROTECTION_INFO)
+    }
+
+    @Test
+    fun loadCameraProtectionInfoList_innerCameraIdEmpty_onlyReturnsOuterInfo() {
+        overrideResource(R.string.config_protectedInnerCameraId, "")
+
+        val protectionInfos = loader.loadCameraProtectionInfoList().map { it.toTestableVersion() }
+
+        assertThat(protectionInfos).containsExactly(OUTER_CAMERA_PROTECTION_INFO)
+    }
+
+    @Test
+    fun loadCameraProtectionInfoList_innerAndOuterCameraIdsEmpty_returnsEmpty() {
+        overrideResource(R.string.config_protectedCameraId, "")
+        overrideResource(R.string.config_protectedInnerCameraId, "")
+
+        val protectionInfos = loader.loadCameraProtectionInfoList().map { it.toTestableVersion() }
+
+        assertThat(protectionInfos).isEmpty()
+    }
+
+    private fun CameraProtectionInfo.toTestableVersion() =
+        TestableProtectionInfo(logicalCameraId, physicalCameraId, cutoutBounds)
+
+    /**
+     * "Testable" version, because the original version contains a Path property, which doesn't
+     * implement equals.
+     */
+    private data class TestableProtectionInfo(
+        val logicalCameraId: String,
+        val physicalCameraId: String?,
+        val cutoutBounds: Rect,
+    )
+
+    companion object {
+        private const val OUTER_CAMERA_LOGICAL_ID = "1"
+        private const val OUTER_CAMERA_PHYSICAL_ID = "11"
+        private const val OUTER_CAMERA_PROTECTION_PATH = "M 0,0 H 10,10 V 10,10 H 0,10 Z"
+        private val OUTER_CAMERA_PROTECTION_BOUNDS =
+            Rect(/* left = */ 0, /* top = */ 0, /* right = */ 10, /* bottom = */ 10)
+        private val OUTER_CAMERA_PROTECTION_INFO =
+            TestableProtectionInfo(
+                OUTER_CAMERA_LOGICAL_ID,
+                OUTER_CAMERA_PHYSICAL_ID,
+                OUTER_CAMERA_PROTECTION_BOUNDS
+            )
+
+        private const val INNER_CAMERA_LOGICAL_ID = "2"
+        private const val INNER_CAMERA_PHYSICAL_ID = "22"
+        private const val INNER_CAMERA_PROTECTION_PATH = "M 0,0 H 20,20 V 20,20 H 0,20 Z"
+        private val INNER_CAMERA_PROTECTION_BOUNDS =
+            Rect(/* left = */ 0, /* top = */ 0, /* right = */ 20, /* bottom = */ 20)
+        private val INNER_CAMERA_PROTECTION_INFO =
+            TestableProtectionInfo(
+                INNER_CAMERA_LOGICAL_ID,
+                INNER_CAMERA_PHYSICAL_ID,
+                INNER_CAMERA_PROTECTION_BOUNDS
+            )
+    }
+}
diff --git a/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java b/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java
index c07148b..1f1fa72 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/ScreenDecorationsTest.java
@@ -176,6 +176,8 @@
     private FakeFacePropertyRepository mFakeFacePropertyRepository =
             new FakeFacePropertyRepository();
     private List<DecorProvider> mMockCutoutList;
+    private final CameraProtectionLoader mCameraProtectionLoader =
+            new CameraProtectionLoader(mContext);
 
     @Before
     public void setup() {
@@ -247,7 +249,7 @@
                 mThreadFactory,
                 mPrivacyDotDecorProviderFactory, mFaceScanningProviderFactory,
                 new ScreenDecorationsLogger(logcatLogBuffer("TestLogBuffer")),
-                mFakeFacePropertyRepository, mJavaAdapter) {
+                mFakeFacePropertyRepository, mJavaAdapter, mCameraProtectionLoader) {
             @Override
             public void start() {
                 super.start();
@@ -1243,7 +1245,7 @@
                 mDotViewController,
                 mThreadFactory, mPrivacyDotDecorProviderFactory, mFaceScanningProviderFactory,
                 new ScreenDecorationsLogger(logcatLogBuffer("TestLogBuffer")),
-                mFakeFacePropertyRepository, mJavaAdapter);
+                mFakeFacePropertyRepository, mJavaAdapter, mCameraProtectionLoader);
         screenDecorations.start();
         when(mContext.getDisplay()).thenReturn(mDisplay);
         when(mDisplay.getDisplayInfo(any())).thenAnswer(new Answer<Boolean>() {