Hidlize IBase and use IBase instead of IBinder.
Note: system/libhidl/base is the libhidlbase project.
system/libhidl/transport/base is the
android.hidl.base@1.0 HAL files.
Test: hidl_test
Change-Id: Ic3464b5e50c0896de9b26f44a409496f8df37c39
diff --git a/transport/base/1.0/IBase.hal b/transport/base/1.0/IBase.hal
new file mode 100644
index 0000000..379213a
--- /dev/null
+++ b/transport/base/1.0/IBase.hal
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 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.hidl.base@1.0;
+
+/*
+ * The ancestor for all interfaces.
+ *
+ * All HAL files will have this interface implicitly imported. If an interface
+ * does not explicitly extend from another interface, it will implicitly extend
+ * from IBase. (This is like java.lang.Object in Java.)
+ *
+ * Methods defined here are shared by all interfaces (this is like
+ * java.lang.Object.notify(), for example.) However, the behavior of these
+ * functions cannot be overridden.
+ */
+interface IBase {
+
+ /*
+ * Provides run-time type information for this object.
+ * For example, for the following interface definition:
+ * package android.hardware.foo@1.0;
+ * interface IParent {};
+ * interface IChild {};
+ * Calling interfaceChain on an IChild object will yield the following:
+ * ["android.hardware.foo@1.0::IChild",
+ * "android.hardware.foo@1.0::IParent"
+ * "android.hidl.base@1.0::IBase"]
+ *
+ * @return indicator a vector of descriptors of the run-time type of the
+ * object.
+ */
+ interfaceChain() generates (vec<string> indicator);
+
+ /*
+ * This method notifies the interface that one or more system properties
+ * have changed. The default implementation calls
+ * (C++) report_sysprop_change() in libcutils or
+ * (Java) android.os.SystemProperties.reportSyspropChanged,
+ * which in turn calls a set of registered callbacks (eg to update trace
+ * tags).
+ */
+ oneway notifySyspropsChanged();
+};