Add TestApi interfaces for window organizers

Enables testing the API surfaces from CTS.

Bug: 149338177
Test: they pass!
Change-Id: I7e1f2852585a10c20d299bd87e9a87f828d06d6a

1 files changed, 41 insertions, 0 deletions

diff --git a/core/java/android/window/WindowContainerTransactionCallback.java b/core/java/android/window/WindowContainerTransactionCallback.java
new file mode 100644
index 000000000000..67cb1e7a660a
--- /dev/null
+++ b/core/java/android/window/WindowContainerTransactionCallback.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2020 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.window;
+
+import android.annotation.NonNull;
+import android.annotation.TestApi;
+import android.view.SurfaceControl;
+
+
+/**
+ * See WindowOrganizer#applyTransaction.
+ * {@hide}
+ */
+@TestApi
+public abstract class WindowContainerTransactionCallback {
+
+    public abstract void onTransactionReady(int id, @NonNull SurfaceControl.Transaction t);
+
+    /** @hide */
+    final IWindowContainerTransactionCallback mInterface =
+            new IWindowContainerTransactionCallback.Stub() {
+        @Override
+        public void onTransactionReady(int id, SurfaceControl.Transaction t) {
+            WindowContainerTransactionCallback.this.onTransactionReady(id, t);
+        }
+    };
+}