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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_SERVICE_CLIENT_H_
#define CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_
#include <string>
#include <vector>
#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_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);
~Properties() override;
// dbus::PropertySet override
void Get(dbus::PropertyBase* property,
dbus::PropertySet::GetCallback callback) override;
void GetAll() override;
void Set(dbus::PropertyBase* property,
dbus::PropertySet::SetCallback callback) override;
};
FakeBluetoothGattServiceClient();
~FakeBluetoothGattServiceClient() override;
// DBusClient override.
void Init(dbus::Bus* bus) override;
// BluetoothGattServiceClient overrides.
void AddObserver(Observer* observer) override;
void RemoveObserver(Observer* observer) override;
std::vector<dbus::ObjectPath> GetServices() override;
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();
// Returns whether or not the Heart Rate Service is visible.
bool IsHeartRateVisible() const;
// Returns the current object path of the visible Heart Rate service. If the
// service is not visible, returns an invalid empty path.
dbus::ObjectPath GetHeartRateServicePath() const;
// 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);
// Tells FakeBluetoothGattCharacteristicClient to expose GATT characteristics.
// This is scheduled from ExposeHeartRateService to simulate asynchronous
// retrieval of characteristics. If the Heart Rate Service is hidden at the
// time this method is called, then it does nothing.
void ExposeHeartRateCharacteristics();
// 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.
base::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<FakeBluetoothGattServiceClient> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattServiceClient);
};
} // namespace chromeos
#endif // CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_
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