Add system service for slices

Will be used to manage permissions and possibly pinned state for slices.

Test: manual
Change-Id: Ie53f4988f817ac5b920087567dbac751e2857dbf
diff --git a/Android.bp b/Android.bp
index 81cd65c..4ef3af0 100644
--- a/Android.bp
+++ b/Android.bp
@@ -98,6 +98,7 @@
         "core/java/android/app/backup/IRestoreObserver.aidl",
         "core/java/android/app/backup/IRestoreSession.aidl",
         "core/java/android/app/backup/ISelectBackupTransportCallback.aidl",
+        "core/java/android/app/slice/ISliceManager.aidl",
         "core/java/android/app/timezone/ICallback.aidl",
         "core/java/android/app/timezone/IRulesManager.aidl",
         "core/java/android/app/usage/ICacheQuotaService.aidl",
diff --git a/Android.mk b/Android.mk
index ce504a5..d4d2baa 100644
--- a/Android.mk
+++ b/Android.mk
@@ -95,6 +95,7 @@
 	frameworks/base/core/java/android/app/admin/NetworkEvent.aidl \
 	frameworks/base/core/java/android/app/admin/SystemUpdatePolicy.aidl \
 	frameworks/base/core/java/android/app/admin/PasswordMetrics.aidl \
+	frameworks/base/core/java/android/app/slice/ISliceManager.aidl \
 	frameworks/base/core/java/android/print/PrintDocumentInfo.aidl \
 	frameworks/base/core/java/android/print/PageRange.aidl \
 	frameworks/base/core/java/android/print/PrintAttributes.aidl \
diff --git a/core/java/android/app/SystemServiceRegistry.java b/core/java/android/app/SystemServiceRegistry.java
index e48946f..f831ae2 100644
--- a/core/java/android/app/SystemServiceRegistry.java
+++ b/core/java/android/app/SystemServiceRegistry.java
@@ -22,6 +22,7 @@
 import android.app.admin.IDevicePolicyManager;
 import android.app.job.IJobScheduler;
 import android.app.job.JobScheduler;
+import android.app.slice.SliceManager;
 import android.app.timezone.RulesManager;
 import android.app.trust.TrustManager;
 import android.app.usage.IStorageStatsManager;
@@ -944,6 +945,16 @@
                                 ICrossProfileApps.Stub.asInterface(b));
                     }
                 });
+
+        registerService(Context.SLICE_SERVICE, SliceManager.class,
+                new CachedServiceFetcher<SliceManager>() {
+                    @Override
+                    public SliceManager createService(ContextImpl ctx)
+                            throws ServiceNotFoundException {
+                        return new SliceManager(ctx.getOuterContext(),
+                                ctx.mMainThread.getHandler());
+                    }
+            });
     }
 
     /**
diff --git a/core/java/android/app/slice/ISliceManager.aidl b/core/java/android/app/slice/ISliceManager.aidl
new file mode 100644
index 0000000..6e52f38
--- /dev/null
+++ b/core/java/android/app/slice/ISliceManager.aidl
@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) 2017, 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 android.app.slice;
+
+/** @hide */
+interface ISliceManager {
+}
diff --git a/core/java/android/app/slice/SliceManager.java b/core/java/android/app/slice/SliceManager.java
new file mode 100644
index 0000000..e99f676
--- /dev/null
+++ b/core/java/android/app/slice/SliceManager.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2017 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 android.app.slice;
+
+import android.annotation.SystemService;
+import android.content.Context;
+import android.os.Handler;
+import android.os.ServiceManager;
+import android.os.ServiceManager.ServiceNotFoundException;
+
+/**
+ * @hide
+ */
+@SystemService(Context.SLICE_SERVICE)
+public class SliceManager {
+
+    private final ISliceManager mService;
+    private final Context mContext;
+
+    public SliceManager(Context context, Handler handler) throws ServiceNotFoundException {
+        mContext = context;
+        mService = ISliceManager.Stub.asInterface(
+                ServiceManager.getServiceOrThrow(Context.SLICE_SERVICE));
+    }
+}
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 71998ee..ca81208 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -3406,6 +3406,14 @@
     public static final String NETWORKMANAGEMENT_SERVICE = "network_management";
 
     /**
+     * Use with {@link #getSystemService} to retrieve a
+     * {@link com.android.server.slice.SliceManagerService} for managing slices.
+     * @hide
+     * @see #getSystemService
+     */
+    public static final String SLICE_SERVICE = "slice";
+
+    /**
      * Use with {@link #getSystemService} to retrieve a {@link
      * android.app.usage.NetworkStatsManager} for querying network usage stats.
      *
diff --git a/services/core/java/com/android/server/slice/SliceManagerService.java b/services/core/java/com/android/server/slice/SliceManagerService.java
new file mode 100644
index 0000000..047e270
--- /dev/null
+++ b/services/core/java/com/android/server/slice/SliceManagerService.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 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.server.slice;
+
+import android.app.slice.ISliceManager;
+import android.content.Context;
+
+import com.android.server.SystemService;
+
+public class SliceManagerService extends ISliceManager.Stub {
+
+    public SliceManagerService(Context context) {
+
+    }
+
+    private void systemReady() {
+    }
+
+    private void onUnlockUser(int userHandle) {
+    }
+
+    public static class Lifecycle extends SystemService {
+        private SliceManagerService mService;
+
+        public Lifecycle(Context context) {
+            super(context);
+        }
+
+        @Override
+        public void onStart() {
+            mService = new SliceManagerService(getContext());
+            publishBinderService(Context.SLICE_SERVICE, mService);
+        }
+
+        @Override
+        public void onBootPhase(int phase) {
+            if (phase == SystemService.PHASE_ACTIVITY_MANAGER_READY) {
+                mService.systemReady();
+            }
+        }
+
+        @Override
+        public void onUnlockUser(int userHandle) {
+            mService.onUnlockUser(userHandle);
+        }
+    }
+}
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 33f4e34..4c994b9 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -215,6 +215,9 @@
             "com.android.server.timezone.RulesManagerService$Lifecycle";
     private static final String IOT_SERVICE_CLASS =
             "com.google.android.things.services.IoTSystemService";
+    private static final String SLICE_MANAGER_SERVICE_CLASS =
+            "com.android.server.slice.SliceManagerService$Lifecycle";
+
     private static final String PERSISTENT_DATA_BLOCK_PROP = "ro.frp.pst";
 
     private static final String UNCRYPT_PACKAGE_FILE = "/cache/recovery/uncrypt_file";
@@ -730,6 +733,7 @@
         boolean disableVrManager = SystemProperties.getBoolean("config.disable_vrmanager", false);
         boolean disableCameraService = SystemProperties.getBoolean("config.disable_cameraservice",
                 false);
+        boolean disableSlices = SystemProperties.getBoolean("config.disable_slices", false);
         boolean enableLeftyService = SystemProperties.getBoolean("config.enable_lefty", false);
 
         boolean isEmulator = SystemProperties.get("ro.kernel.qemu").equals("1");
@@ -1523,6 +1527,12 @@
             }
         }
 
+        if (!disableSlices) {
+            traceBeginAndSlog("StartSliceManagerService");
+            mSystemServiceManager.startService(SLICE_MANAGER_SERVICE_CLASS);
+            traceEnd();
+        }
+
         if (!disableCameraService) {
             traceBeginAndSlog("StartCameraServiceProxy");
             mSystemServiceManager.startService(CameraServiceProxy.class);