Rewrite dbus code using sdbus-c++

internal/platform/implementation/linux/bluetooth_adapter.h

@@ -1,18 +1,26 @@
 #ifndef PLATFORM_IMPL_LINUX_BLUETOOTH_ADAPTER_H_
 #define PLATFORM_IMPL_LINUX_BLUETOOTH_ADAPTER_H_
-
-#include <string>
+#include <sdbus-c++/IConnection.h>
+#include <sdbus-c++/ProxyInterfaces.h>
 
 #include "absl/strings/string_view.h"
 #include "internal/platform/implementation/bluetooth_adapter.h"
-#include <systemd/sd-bus.h>
+#include "internal/platform/implementation/linux/bluez.h"
+#include "internal/platform/implementation/linux/bluez_adapter_client_glue.h"
 
 namespace nearby {
 namespace linux {
-class BluetoothAdapter : public api::BluetoothAdapter {
+class BluetoothAdapter
+    : public api::BluetoothAdapter,
+      public sdbus::ProxyInterfaces<org::bluez::Adapter1_proxy> {
 public:
-  BluetoothAdapter(sd_bus *bus) { system_bus_ = bus; }
-  ~BluetoothAdapter() override { sd_bus_unref(system_bus_); };
+  BluetoothAdapter(sdbus::IConnection &system_bus,
+                   const sdbus::ObjectPath &adapter_object_path)
+      : ProxyInterfaces(system_bus, bluez::SERVICE_DEST, adapter_object_path) {
+    registerProxy();
+  }
+
+  ~BluetoothAdapter() override { unregisterProxy(); }
 
   bool SetStatus(Status status) override;
   bool IsEnabled() const override;
@@ -25,9 +33,6 @@ public:
   bool SetName(absl::string_view name) override;
   bool SetName(absl::string_view name, bool persist) override;
   std::string GetMacAddress() const override;
-
-private:
-  sd_bus *system_bus_;
 };
 } // namespace linux
 } // namespace nearby