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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_ | |
6 #define CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/memory/weak_ptr.h" | |
13 #include "base/observer_list.h" | |
14 #include "chromeos/chromeos_export.h" | |
15 #include "chromeos/dbus/bluetooth_gatt_service_client.h" | |
16 #include "dbus/object_path.h" | |
17 #include "dbus/property.h" | |
18 | |
19 namespace chromeos { | |
20 | |
21 // FakeBluetoothGattServiceClient simulates the behavior of the Bluetooth Daemon | |
22 // GATT service objects and is used in test cases in place of a mock and on the | |
23 // Linux desktop. | |
24 class CHROMEOS_EXPORT FakeBluetoothGattServiceClient | |
25 : public BluetoothGattServiceClient { | |
26 public: | |
27 struct Properties : public BluetoothGattServiceClient::Properties { | |
28 explicit Properties(const PropertyChangedCallback& callback); | |
29 ~Properties() override; | |
30 | |
31 // dbus::PropertySet override | |
32 void Get(dbus::PropertyBase* property, | |
33 dbus::PropertySet::GetCallback callback) override; | |
34 void GetAll() override; | |
35 void Set(dbus::PropertyBase* property, | |
36 dbus::PropertySet::SetCallback callback) override; | |
37 }; | |
38 | |
39 FakeBluetoothGattServiceClient(); | |
40 ~FakeBluetoothGattServiceClient() override; | |
41 | |
42 // DBusClient override. | |
43 void Init(dbus::Bus* bus) override; | |
44 | |
45 // BluetoothGattServiceClient overrides. | |
46 void AddObserver(Observer* observer) override; | |
47 void RemoveObserver(Observer* observer) override; | |
48 std::vector<dbus::ObjectPath> GetServices() override; | |
49 Properties* GetProperties(const dbus::ObjectPath& object_path) override; | |
50 | |
51 // Makes a service visible for device with object path |device_path|. Note | |
52 // that only one instance of a specific service is simulated at a time. Hence, | |
53 // this method will fail, if the service is already visible. | |
54 void ExposeHeartRateService(const dbus::ObjectPath& device_path); | |
55 void HideHeartRateService(); | |
56 | |
57 // Returns whether or not the Heart Rate Service is visible. | |
58 bool IsHeartRateVisible() const; | |
59 | |
60 // Returns the current object path of the visible Heart Rate service. If the | |
61 // service is not visible, returns an invalid empty path. | |
62 dbus::ObjectPath GetHeartRateServicePath() const; | |
63 | |
64 // Final object path components and the corresponding UUIDs of the GATT | |
65 // services that we emulate. Service paths are hierarchical to Bluetooth | |
66 // device paths, so if the path component is "service0000", and the device | |
67 // path is "/org/foo/device0", the service path is | |
68 // "/org/foo/device0/service0000". | |
69 static const char kHeartRateServicePathComponent[]; | |
70 static const char kHeartRateServiceUUID[]; | |
71 | |
72 private: | |
73 // Property callback passed when we create Properties structures. | |
74 void OnPropertyChanged(const dbus::ObjectPath& object_path, | |
75 const std::string& property_name); | |
76 | |
77 // Notifies observers. | |
78 void NotifyServiceAdded(const dbus::ObjectPath& object_path); | |
79 void NotifyServiceRemoved(const dbus::ObjectPath& object_path); | |
80 | |
81 // Tells FakeBluetoothGattCharacteristicClient to expose GATT characteristics. | |
82 // This is scheduled from ExposeHeartRateService to simulate asynchronous | |
83 // retrieval of characteristics. If the Heart Rate Service is hidden at the | |
84 // time this method is called, then it does nothing. | |
85 void ExposeHeartRateCharacteristics(); | |
86 | |
87 // Static properties we return. As long as a service is exposed, this will be | |
88 // non-null. Otherwise it will be null. | |
89 scoped_ptr<Properties> heart_rate_service_properties_; | |
90 std::string heart_rate_service_path_; | |
91 | |
92 // List of observers interested in event notifications from us. | |
93 base::ObserverList<Observer> observers_; | |
94 | |
95 // Weak pointer factory for generating 'this' pointers that might live longer | |
96 // than we do. | |
97 // Note: This should remain the last member so it'll be destroyed and | |
98 // invalidate its weak pointers before any other members are destroyed. | |
99 base::WeakPtrFactory<FakeBluetoothGattServiceClient> weak_ptr_factory_; | |
100 | |
101 DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattServiceClient); | |
102 }; | |
103 | |
104 } // namespace chromeos | |
105 | |
106 #endif // CHROMEOS_DBUS_FAKE_BLUETOOTH_GATT_SERVICE_CLIENT_H_ | |
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