cros: Fake implementation of DBUS biometrics client.

chromeos/dbus/fake_biod_biometrics_manager_client.h

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMEOS_DBUS_FAKE_BIOD_BIOMETRICS_MANAGER_CLIENT_H_
+#define CHROMEOS_DBUS_FAKE_BIOD_BIOMETRICS_MANAGER_CLIENT_H_
+
+#include <stdint.h>
+
+#include "base/callback.h"
+#include "base/macros.h"
+#include "base/observer_list.h"
+#include "chromeos/chromeos_export.h"
+#include "chromeos/dbus/biod_biometrics_manager_client.h"
+#include "dbus/object_path.h"
+
+namespace chromeos {
+
+// A fake implementation of BiometricsClient.
+class CHROMEOS_EXPORT FakeBiodBiometricsManagerClient
+    : public BiodBiometricsManagerClient {
+ public:
+  FakeBiodBiometricsManagerClient();
+  ~FakeBiodBiometricsManagerClient() override;
+
+  // BiodBiometricsManagerClient overrides
+  void Init(dbus::Bus* bus) override;
+  void AddObserver(Observer* observer) override;
+  void RemoveObserver(Observer* observer) override;
+  bool HasObserver(const Observer* observer) const override;
+  void StartEnrollSession(const std::string& user_id,
+                          const std::string& label,
+                          const ObjectPathCallback& callback) override;
+  void GetRecordsForUser(const std::string& user_id,
+                         const ObjectPathArrayCallback& callback) override;
+  void DestroyAllRecords() override;
+  void StartAuthSession(const ObjectPathCallback& callback) override;
+  void GetType(const BiometricTypeCallback& callback) override;
+  biod::BiometricType GetTypeBlocking() override;
+
+ private:
+  void OnEnrollScanDoneReceived(uint32_t type_result, bool is_complete);
+  void OnAuthScanDoneReceived(uint32_t type_result,
+                              const AuthScanMatches& matches);
+  void OnScanFailedReceived();
+
+  base::ObserverList<Observer> observers_;
+  // Note: This should remain the last member so it'll be destroyed and
+  // invalidate its weak pointers before any other members are destroyed.
+  base::WeakPtrFactory<FakeBiodBiometricsManagerClient> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(FakeBiodBiometricsManagerClient);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_DBUS_FAKE_BIOD_BIOMETRICS_MANAGER_CLIENT_H_