Use new OverlayManager categories

Using this, we split overlays based on their category, so that
cutout emulation and theme overlays no longer clash in their
respective settings.

Bug: 72436677
Test: make ROBOTEST_FILTER=EmulateDisplayCutoutPreferenceControllerTest RunSettingsRoboTests
Change-Id: I23f22113351b3948beb9e3a1fb969700852539cc

src/com/android/settings/wrapper/OverlayManagerWrapper.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2018 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.settings.wrapper;
+
+import android.content.Context;
+import android.content.om.IOverlayManager;
+import android.content.om.OverlayInfo;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class OverlayManagerWrapper {
+
+    private final IOverlayManager mOverlayManager;
+
+    public OverlayManagerWrapper(IOverlayManager overlayManager) {
+        mOverlayManager = overlayManager;
+    }
+
+    public OverlayManagerWrapper() {
+        this(IOverlayManager.Stub.asInterface(ServiceManager.getService(Context.OVERLAY_SERVICE)));
+    }
+
+    public List<OverlayInfo> getOverlayInfosForTarget(String overlay, int userId) {
+        if (mOverlayManager == null) {
+            return new ArrayList<>();
+        }
+        try {
+            List<android.content.om.OverlayInfo> infos
+                    = mOverlayManager.getOverlayInfosForTarget(overlay, userId);
+            ArrayList<OverlayInfo> result = new ArrayList<>(infos.size());
+            for (int i = 0; i < infos.size(); i++) {
+                result.add(new OverlayInfo(infos.get(i)));
+            }
+            return result;
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    public boolean setEnabled(String overlay, boolean enabled, int userId) {
+        if (mOverlayManager == null) {
+            return false;
+        }
+        try {
+            return mOverlayManager.setEnabled(overlay, enabled, userId);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    public boolean setEnabledExclusiveInCategory(String overlay, int userId) {
+        if (mOverlayManager == null) {
+            return false;
+        }
+        try {
+            return mOverlayManager.setEnabledExclusiveInCategory(overlay, userId);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    public static class OverlayInfo {
+
+        public static final String CATEGORY_THEME = android.content.om.OverlayInfo.CATEGORY_THEME;
+        public final String packageName;
+        public final String category;
+        private final boolean mEnabled;
+
+        public OverlayInfo(String packageName, String category, boolean enabled) {
+            this.packageName = packageName;
+            this.category = category;
+            mEnabled = enabled;
+        }
+
+        public OverlayInfo(android.content.om.OverlayInfo info) {
+            mEnabled = info.isEnabled();
+            category = info.category;
+            packageName = info.packageName;
+        }
+
+        public boolean isEnabled() {
+            return mEnabled;
+        }
+    }
+}