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// 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_CHARACTERISTIC_CLIENT_H_
#define CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_CHARACTERISTIC_CLIENT_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "chromeos/chromeos_export.h"
#include "chromeos/dbus/bluetooth_gatt_characteristic_client.h"
#include "dbus/object_path.h"
#include "dbus/property.h"
namespace chromeos {
// FakeBluetoothGattCharacteristicClient simulates the behavior of the
// Bluetooth Daemon GATT characteristic objects and is used in test cases in
// place of a mock and on the Linux desktop.
class CHROMEOS_EXPORT FakeBluetoothGattCharacteristicClient
: public BluetoothGattCharacteristicClient {
public:
struct Properties : public BluetoothGattCharacteristicClient::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;
};
FakeBluetoothGattCharacteristicClient();
virtual ~FakeBluetoothGattCharacteristicClient();
// DBusClient override.
virtual void Init(dbus::Bus* bus) OVERRIDE;
// BluetoothGattCharacteristicClient overrides.
virtual void AddObserver(Observer* observer) OVERRIDE;
virtual void RemoveObserver(Observer* observer) OVERRIDE;
virtual std::vector<dbus::ObjectPath> GetCharacteristics() OVERRIDE;
virtual Properties* GetProperties(const dbus::ObjectPath& object_path)
OVERRIDE;
// Makes the group of characteristics belonging to a particular GATT based
// profile available under the GATT service with object path |service_path|.
// Characteristic paths are hierarchical to service paths.
void ExposeHeartRateCharacteristics(const dbus::ObjectPath& service_path);
void HideHeartRateCharacteristics();
// Returns whether or not the heart rate characteristics are visible and
// performs the appropriate assertions.
bool IsHeartRateVisible() const;
// Returns the current object paths of exposed characteristics. If the
// characteristic is not visible, returns an invalid empty path.
dbus::ObjectPath GetHeartRateMeasurementPath() const;
dbus::ObjectPath GetBodySensorLocationPath() const;
dbus::ObjectPath GetHeartRateControlPointPath() const;
// Object path components and UUIDs of GATT characteristics.
// Heart Rate Service:
static const char kHeartRateMeasurementPathComponent[];
static const char kHeartRateMeasurementUUID[];
static const char kBodySensorLocationPathComponent[];
static const char kBodySensorLocationUUID[];
static const char kHeartRateControlPointPathComponent[];
static const char kHeartRateControlPointUUID[];
private:
// Property callback passed when we create Properties structures.
void OnPropertyChanged(const dbus::ObjectPath& object_path,
const std::string& property_name);
// Notifies observers.
void NotifyCharacteristicAdded(const dbus::ObjectPath& object_path);
void NotifyCharacteristicRemoved(const dbus::ObjectPath& object_path);
// Schedules a heart rate measurement value change, if the heart rate
// characteristics are visible.
void ScheduleHeartRateMeasurementValueChange();
// Returns a random Heart Rate Measurement value. All the fields of the value
// are populated according to the the fake behavior. The measurement value
// is a random value within a reasonable range.
std::vector<uint8> GetHeartRateMeasurementValue();
// If true, characteristics of the Heart Rate Service are visible. Use
// IsHeartRateVisible() to check the value.
bool heart_rate_visible_;
// Total calories burned, used for the Heart Rate Measurement characteristic.
uint16 calories_burned_;
// Static properties returned for simulated characteristics for the Heart
// Rate Service. These pointers are not NULL only if the characteristics are
// actually exposed.
scoped_ptr<Properties> heart_rate_measurement_properties_;
scoped_ptr<Properties> body_sensor_location_properties_;
scoped_ptr<Properties> heart_rate_control_point_properties_;
// Object paths of the exposed characteristics. If a characteristic is not
// exposed, these will be empty.
std::string heart_rate_measurement_path_;
std::string heart_rate_measurement_ccc_desc_path_;
std::string body_sensor_location_path_;
std::string heart_rate_control_point_path_;
// List of observers interested in event notifications from us.
ObserverList<Observer> observers_;
// Weak pointer factory for generating 'this' pointers that might live longer
// than we do.
// 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<FakeBluetoothGattCharacteristicClient>
weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattCharacteristicClient);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_CHARACTERISTIC_CLIENT_H_
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