Introduce Device Provider interface

PiperOrigin-RevId: 472964206

connections/BUILD

@@ -55,6 +55,7 @@ cc_library(
     hdrs = [
         "advertising_options.h",
         "connection_options.h",
+        "device_provider.h",
         "discovery_options.h",
         "listeners.h",
         "medium_selector.h",

connections/core.h

@@ -20,6 +20,7 @@
 
 #include "absl/strings/string_view.h"
 #include "absl/types/span.h"
+#include "connections/device_provider.h"
 #include "connections/implementation/client_proxy.h"
 #include "connections/implementation/service_controller.h"
 #include "connections/implementation/service_controller_router.h"
@@ -267,6 +268,8 @@ class Core {
   void InitiateBandwidthUpgradeV2(const NearbyDevice& device,
                                   ResultCallback callback);
 
+  void RegisterDeviceProvider(const NearbyDeviceProvider& provider);
+
  private:
   ClientProxy client_;
   ServiceControllerRouter* router_ = nullptr;

connections/device_provider.h

@@ -0,0 +1,38 @@
+// Copyright 2022 Google LLC
+//
+// 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
+//
+//     https://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.
+
+#ifndef THIRD_PARTY_NEARBY_CONNECTIONS_DEVICE_PROVIDER_H_
+#define THIRD_PARTY_NEARBY_CONNECTIONS_DEVICE_PROVIDER_H_
+
+#include <string>
+
+#include "internal/device.h"
+
+namespace location {
+namespace nearby {
+namespace connections {
+
+using ::location::nearby::NearbyDevice;
+
+class NearbyDeviceProvider {
+  virtual ~NearbyDeviceProvider() = default;
+  virtual NearbyDevice* GetLocalDevice() = 0;
+  virtual std::string GetServiceId() = 0;
+};
+
+}  // namespace connections
+}  // namespace nearby
+}  // namespace location
+
+#endif  // THIRD_PARTY_NEARBY_CONNECTIONS_DEVICE_PROVIDER_H_

internal/BUILD

@@ -8,7 +8,8 @@ cc_library(
         "//presence:__subpackages__",
     ],
     deps = [
-        "@com_google_absl//absl/status",
+        "//internal/platform:base",
+        "//internal/platform:connection_info",
         "@com_google_absl//absl/status:statusor",
     ],
 )

internal/device.h

@@ -18,6 +18,7 @@
 #include <string>
 
 #include "absl/status/statusor.h"
+#include "internal/platform/connection_info.h"
 
 namespace location {
 namespace nearby {
@@ -36,6 +37,7 @@ class NearbyDevice {
   NearbyDevice& operator=(const NearbyDevice&) = delete;
   virtual absl::StatusOr<std::string> GetEndpointId() const = 0;
   virtual std::string GetEndpointInfo() const = 0;
+  virtual absl::Span<ConnectionInfo*> GetConnectionInfos() const = 0;
   virtual Type GetType() const { return Type::kUnknownDevice; }
 };
 

internal/platform/BUILD

@@ -48,6 +48,7 @@ cc_library(
     defines = ["NO_WEBRTC"],
     visibility = [
         "//connections:__subpackages__",
+        "//internal:__pkg__",
         "//internal/analytics:__subpackages__",
         "//internal/platform:__subpackages__",
         "//internal/platform/implementation:__subpackages__",
@@ -141,6 +142,22 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "connection_info",
+    hdrs = [
+        "connection_info.h",
+    ],
+    defines = ["NO_WEBRTC"],
+    visibility = [
+        "//connections:__subpackages__",
+        "//internal:__pkg__",
+        "//internal/platform/implementation:__subpackages__",
+    ],
+    deps = [
+        "//internal/platform:base",
+    ],
+)
+
 cc_library(
     name = "error_code_recorder",
     srcs = [

internal/platform/connection_info.h

@@ -0,0 +1,35 @@
+// Copyright 2022 Google LLC
+//
+// 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
+//
+//     https://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.
+
+#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_CONNECTION_INFO_H_
+#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_CONNECTION_INFO_H_
+
+#include "internal/platform/byte_array.h"
+
+namespace location {
+namespace nearby {
+class ConnectionInfo {
+ public:
+  enum class MediumType {
+    kUnknown = 0,
+    kBluetooth = 1,
+  };
+  virtual ~ConnectionInfo() = default;
+  virtual MediumType GetMediumType() const = 0;
+  virtual ByteArray ToBytes() const = 0;
+};
+}  // namespace nearby
+}  // namespace location
+
+#endif  // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_CONNECTION_INFO_H_