text: // Copyright 2014 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_BLUETOOTH_GATT_SERVICE_CLIENT_H_
  #define CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_
  
  #include <string>
  #include <vector>
  
  #include "base/memory/scoped_ptr.h"
  #include "base/observer_list.h"
  #include "chromeos/chromeos_export.h"
  #include "chromeos/dbus/bluetooth_gatt_service_client.h"
  #include "dbus/object_path.h"
  #include "dbus/property.h"
  
  namespace chromeos {
  
  // FakeBluetoothGattServiceClient simulates the behavior of the Bluetooth Daemon
  // GATT service objects and is used in test cases in place of a mock and on the
  // Linux desktop.
  class CHROMEOS_EXPORT FakeBluetoothGattServiceClient
      : public BluetoothGattServiceClient {
   public:
    struct Properties : public BluetoothGattServiceClient::Properties {
      explicit Properties(const PropertyChangedCallback& callback);
      virtual ~Properties();
  
      // dbus::PropertySet override
      virtual void Get(dbus::PropertyBase* property,
                       dbus::PropertySet::GetCallback callback) OVERRIDE;
      virtual void GetAll() OVERRIDE;
      virtual void Set(dbus::PropertyBase* property,
                       dbus::PropertySet::SetCallback callback) OVERRIDE;
    };
  
    FakeBluetoothGattServiceClient();
    virtual ~FakeBluetoothGattServiceClient();
  
    // DBusClient override.
    virtual void Init(dbus::Bus* bus) OVERRIDE;
  
    // BluetoothGattServiceClient overrides.
    virtual void AddObserver(Observer* observer) OVERRIDE;
    virtual void RemoveObserver(Observer* observer) OVERRIDE;
    virtual std::vector<dbus::ObjectPath> GetServices() OVERRIDE;
    virtual Properties* GetProperties(const dbus::ObjectPath& object_path)
        OVERRIDE;
  
    // Makes a service visible for device with object path |device_path|. Note
    // that only one instance of a specific service is simulated at a time. Hence,
    // this method will fail, if the service is already visible.
    void ExposeHeartRateService(const dbus::ObjectPath& device_path);
    void HideHeartRateService();
  
    // Final object path components and the corresponding UUIDs of the GATT
    // services that we emulate. Service paths are hierarchical to Bluetooth
    // device paths, so if the path component is "service0000", and the device
    // path is "/org/foo/device0", the service path is
    // "/org/foo/device0/service0000".
    static const char kHeartRateServicePathComponent[];
    static const char kHeartRateServiceUUID[];
  
   private:
    // Property callback passed when we create Properties structures.
    void OnPropertyChanged(const dbus::ObjectPath& object_path,
                           const std::string& property_name);
  
    // Notifies observers.
    void NotifyServiceAdded(const dbus::ObjectPath& object_path);
    void NotifyServiceRemoved(const dbus::ObjectPath& object_path);
  
    // Static properties we return. As long as a service is exposed, this will be
    // non-null. Otherwise it will be null.
    scoped_ptr<Properties> heart_rate_service_properties_;
    std::string heart_rate_service_path_;
  
    // List of observers interested in event notifications from us.
    ObserverList<Observer> observers_;
  
    DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattServiceClient);
  };
  
  }  // namespace chromeos
  
  #endif  // CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_
  