1 files changed, 29 insertions, 0 deletions
diff --git a/src/objective-c/GRPCClient/GRPCCall+GID.h b/src/objective-c/GRPCClient/GRPCCall+GID.h
new file mode 100644
index 0000000000..3ee732e79e
--- /dev/null
+++ b/src/objective-c/GRPCClient/GRPCCall+GID.h
@@ -0,0 +1,29 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * 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.
+ *
+ */
+
+#import "GRPCCall.h"
+#import "GRPCCall+OAuth2.h"
+
+#import <Google/SignIn.h>
+
+/**
+ * Extend GIDSignIn class to comply GRPCAuthorizationProtocol
+ */
+@interface GIDSignIn (GRPC) <GRPCAuthorizationProtocol>
+- (void)getTokenWithHandler:(void (^)(NSString *token))hander;
+@end