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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 DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_BLUEZ_H_ | |
6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_BLUEZ_H_ | |
7 | |
8 #include <stdint.h> | |
9 #include <string> | |
10 #include <vector> | |
11 | |
12 #include "base/callback_forward.h" | |
13 #include "base/macros.h" | |
14 #include "base/memory/weak_ptr.h" | |
15 #include "dbus/object_path.h" | |
16 #include "device/bluetooth/bluetooth_gatt_service_bluez.h" | |
17 #include "device/bluetooth/bluetooth_uuid.h" | |
18 #include "device/bluetooth/dbus/bluetooth_gatt_characteristic_client.h" | |
19 #include "device/bluetooth/dbus/bluetooth_gatt_service_client.h" | |
20 | |
21 namespace device { | |
22 | |
23 class BluetoothAdapter; | |
24 class BluetoothDevice; | |
25 class BluetoothGattCharacteristic; | |
26 | |
27 } // namespace device | |
28 | |
29 namespace bluez { | |
30 | |
31 class BluetoothAdapterBlueZ; | |
32 class BluetoothDeviceBlueZ; | |
33 class BluetoothRemoteGattCharacteristicBlueZ; | |
34 class BluetoothGattDescriptorBlueZ; | |
35 | |
36 // The BluetoothRemoteGattServiceBlueZ class implements BluetootGattService | |
37 // for remote GATT services for platforms that use BlueZ. | |
38 class BluetoothRemoteGattServiceBlueZ | |
39 : public BluetoothGattServiceBlueZ, | |
40 public BluetoothGattServiceClient::Observer, | |
41 public BluetoothGattCharacteristicClient::Observer { | |
42 public: | |
43 // device::BluetoothGattService overrides. | |
44 device::BluetoothUUID GetUUID() const override; | |
45 bool IsLocal() const override; | |
46 bool IsPrimary() const override; | |
47 device::BluetoothDevice* GetDevice() const override; | |
48 bool AddCharacteristic( | |
49 device::BluetoothGattCharacteristic* characteristic) override; | |
50 bool AddIncludedService(device::BluetoothGattService* service) override; | |
51 void Register(const base::Closure& callback, | |
52 const ErrorCallback& error_callback) override; | |
53 void Unregister(const base::Closure& callback, | |
54 const ErrorCallback& error_callback) override; | |
55 | |
56 // Notifies its observers that the GATT service has changed. This is mainly | |
57 // used by BluetoothRemoteGattCharacteristicBlueZ instances to notify | |
58 // service observers when characteristic descriptors get added and removed. | |
59 void NotifyServiceChanged(); | |
60 | |
61 // Notifies its observers that a descriptor |descriptor| belonging to | |
62 // characteristic |characteristic| has been added or removed. This is used | |
63 // by BluetoothRemoteGattCharacteristicBlueZ instances to notify service | |
64 // observers when characteristic descriptors get added and removed. If |added| | |
65 // is true, an "Added" event will be sent. Otherwise, a "Removed" event will | |
66 // be sent. | |
67 void NotifyDescriptorAddedOrRemoved( | |
68 BluetoothRemoteGattCharacteristicBlueZ* characteristic, | |
69 BluetoothGattDescriptorBlueZ* descriptor, | |
70 bool added); | |
71 | |
72 // Notifies its observers that the value of a descriptor has changed. Called | |
73 // by BluetoothRemoteGattCharacteristicBlueZ instances to notify service | |
74 // observers. | |
75 void NotifyDescriptorValueChanged( | |
76 BluetoothRemoteGattCharacteristicBlueZ* characteristic, | |
77 BluetoothGattDescriptorBlueZ* descriptor, | |
78 const std::vector<uint8_t>& value); | |
79 | |
80 private: | |
81 friend class BluetoothDeviceBlueZ; | |
82 | |
83 BluetoothRemoteGattServiceBlueZ(BluetoothAdapterBlueZ* adapter, | |
84 BluetoothDeviceBlueZ* device, | |
85 const dbus::ObjectPath& object_path); | |
86 ~BluetoothRemoteGattServiceBlueZ() override; | |
87 | |
88 // bluez::BluetoothGattServiceClient::Observer override. | |
89 void GattServicePropertyChanged(const dbus::ObjectPath& object_path, | |
90 const std::string& property_name) override; | |
91 | |
92 // bluez::BluetoothGattCharacteristicClient::Observer override. | |
93 void GattCharacteristicAdded(const dbus::ObjectPath& object_path) override; | |
94 void GattCharacteristicRemoved(const dbus::ObjectPath& object_path) override; | |
95 void GattCharacteristicPropertyChanged( | |
96 const dbus::ObjectPath& object_path, | |
97 const std::string& property_name) override; | |
98 | |
99 // The device this GATT service belongs to. It's ok to store a raw pointer | |
100 // here since |device_| owns this instance. | |
101 BluetoothDeviceBlueZ* device_; | |
102 | |
103 // Indicates whether or not the characteristics of this service are known to | |
104 // have been discovered. | |
105 bool discovery_complete_; | |
106 | |
107 // Note: This should remain the last member so it'll be destroyed and | |
108 // invalidate its weak pointers before any other members are destroyed. | |
109 base::WeakPtrFactory<BluetoothRemoteGattServiceBlueZ> weak_ptr_factory_; | |
110 | |
111 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattServiceBlueZ); | |
112 }; | |
113 | |
114 } // namespace bluez | |
115 | |
116 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_BLUEZ_H_ | |
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