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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_ | 5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_ |
6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_ | 6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <queue> | 9 #include <queue> |
10 #include <string> | 10 #include <string> |
11 #include <utility> | 11 #include <utility> |
12 #include <vector> | 12 #include <vector> |
13 | 13 |
14 #include "base/memory/weak_ptr.h" | 14 #include "base/memory/weak_ptr.h" |
15 #include "chromeos/dbus/bluetooth_gatt_characteristic_client.h" | |
16 #include "chromeos/dbus/bluetooth_gatt_descriptor_client.h" | 15 #include "chromeos/dbus/bluetooth_gatt_descriptor_client.h" |
17 #include "dbus/object_path.h" | 16 #include "dbus/object_path.h" |
18 #include "device/bluetooth/bluetooth_gatt_characteristic.h" | 17 #include "device/bluetooth/bluetooth_gatt_characteristic.h" |
19 #include "device/bluetooth/bluetooth_uuid.h" | 18 #include "device/bluetooth/bluetooth_uuid.h" |
20 | 19 |
21 namespace device { | 20 namespace device { |
22 | 21 |
23 class BluetoothGattDescriptor; | 22 class BluetoothGattDescriptor; |
24 class BluetoothGattService; | 23 class BluetoothGattService; |
25 | 24 |
26 } // namespace device | 25 } // namespace device |
27 | 26 |
28 namespace chromeos { | 27 namespace chromeos { |
29 | 28 |
30 class BluetoothRemoteGattDescriptorChromeOS; | 29 class BluetoothRemoteGattDescriptorChromeOS; |
31 class BluetoothRemoteGattServiceChromeOS; | 30 class BluetoothRemoteGattServiceChromeOS; |
32 | 31 |
33 // The BluetoothRemoteGattCharacteristicChromeOS class implements | 32 // The BluetoothRemoteGattCharacteristicChromeOS class implements |
34 // BluetoothGattCharacteristic for remote GATT characteristics on the Chrome OS | 33 // BluetoothGattCharacteristic for remote GATT characteristics on the Chrome OS |
35 // platform. | 34 // platform. |
36 class BluetoothRemoteGattCharacteristicChromeOS | 35 class BluetoothRemoteGattCharacteristicChromeOS |
37 : public device::BluetoothGattCharacteristic, | 36 : public device::BluetoothGattCharacteristic, |
38 public BluetoothGattCharacteristicClient::Observer, | |
39 public BluetoothGattDescriptorClient::Observer { | 37 public BluetoothGattDescriptorClient::Observer { |
40 public: | 38 public: |
41 // device::BluetoothGattCharacteristic overrides. | 39 // device::BluetoothGattCharacteristic overrides. |
42 std::string GetIdentifier() const override; | 40 std::string GetIdentifier() const override; |
43 device::BluetoothUUID GetUUID() const override; | 41 device::BluetoothUUID GetUUID() const override; |
44 bool IsLocal() const override; | 42 bool IsLocal() const override; |
45 const std::vector<uint8>& GetValue() const override; | 43 const std::vector<uint8>& GetValue() const override; |
46 device::BluetoothGattService* GetService() const override; | 44 device::BluetoothGattService* GetService() const override; |
47 Properties GetProperties() const override; | 45 Properties GetProperties() const override; |
48 Permissions GetPermissions() const override; | 46 Permissions GetPermissions() const override; |
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70 const dbus::ObjectPath& object_path() const { return object_path_; } | 68 const dbus::ObjectPath& object_path() const { return object_path_; } |
71 | 69 |
72 private: | 70 private: |
73 friend class BluetoothRemoteGattServiceChromeOS; | 71 friend class BluetoothRemoteGattServiceChromeOS; |
74 | 72 |
75 BluetoothRemoteGattCharacteristicChromeOS( | 73 BluetoothRemoteGattCharacteristicChromeOS( |
76 BluetoothRemoteGattServiceChromeOS* service, | 74 BluetoothRemoteGattServiceChromeOS* service, |
77 const dbus::ObjectPath& object_path); | 75 const dbus::ObjectPath& object_path); |
78 ~BluetoothRemoteGattCharacteristicChromeOS() override; | 76 ~BluetoothRemoteGattCharacteristicChromeOS() override; |
79 | 77 |
80 // BluetoothGattCharacteristicClient::Observer overrides. | |
81 void GattCharacteristicValueUpdated(const dbus::ObjectPath& object_path, | |
82 const std::vector<uint8>& value) override; | |
83 | |
84 // BluetoothGattDescriptorClient::Observer overrides. | 78 // BluetoothGattDescriptorClient::Observer overrides. |
85 void GattDescriptorAdded(const dbus::ObjectPath& object_path) override; | 79 void GattDescriptorAdded(const dbus::ObjectPath& object_path) override; |
86 void GattDescriptorRemoved(const dbus::ObjectPath& object_path) override; | 80 void GattDescriptorRemoved(const dbus::ObjectPath& object_path) override; |
87 | 81 void GattDescriptorPropertyChanged(const dbus::ObjectPath& object_path, |
88 // Called by dbus:: on successful completion of a request to read | 82 const std::string& property_name) override; |
89 // the characteristic value. | |
90 void OnValueSuccess(const ValueCallback& callback, | |
91 const std::vector<uint8>& value); | |
92 | 83 |
93 // Called by dbus:: on unsuccessful completion of a request to read or write | 84 // Called by dbus:: on unsuccessful completion of a request to read or write |
94 // the characteristic value. | 85 // the characteristic value. |
95 void OnError(const ErrorCallback& error_callback, | 86 void OnError(const ErrorCallback& error_callback, |
96 const std::string& error_name, | 87 const std::string& error_name, |
97 const std::string& error_message); | 88 const std::string& error_message); |
98 | 89 |
99 // Called by dbus:: on successful completion of a request to start | 90 // Called by dbus:: on successful completion of a request to start |
100 // notifications. | 91 // notifications. |
101 void OnStartNotifySuccess(const NotifySessionCallback& callback); | 92 void OnStartNotifySuccess(const NotifySessionCallback& callback); |
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118 | 109 |
119 // Calls StartNotifySession for each queued request. | 110 // Calls StartNotifySession for each queued request. |
120 void ProcessStartNotifyQueue(); | 111 void ProcessStartNotifyQueue(); |
121 | 112 |
122 // Object path of the D-Bus characteristic object. | 113 // Object path of the D-Bus characteristic object. |
123 dbus::ObjectPath object_path_; | 114 dbus::ObjectPath object_path_; |
124 | 115 |
125 // The GATT service this GATT characteristic belongs to. | 116 // The GATT service this GATT characteristic belongs to. |
126 BluetoothRemoteGattServiceChromeOS* service_; | 117 BluetoothRemoteGattServiceChromeOS* service_; |
127 | 118 |
128 // The cached characteristic value based on the most recent read or | |
129 // notification. | |
130 std::vector<uint8> cached_value_; | |
131 | |
132 // The total number of currently active value update sessions. | 119 // The total number of currently active value update sessions. |
133 size_t num_notify_sessions_; | 120 size_t num_notify_sessions_; |
134 | 121 |
135 // Calls to StartNotifySession that are pending. This can happen during the | 122 // Calls to StartNotifySession that are pending. This can happen during the |
136 // first remote call to start notifications. | 123 // first remote call to start notifications. |
137 typedef std::pair<NotifySessionCallback, ErrorCallback> | 124 typedef std::pair<NotifySessionCallback, ErrorCallback> |
138 PendingStartNotifyCall; | 125 PendingStartNotifyCall; |
139 std::queue<PendingStartNotifyCall> pending_start_notify_calls_; | 126 std::queue<PendingStartNotifyCall> pending_start_notify_calls_; |
140 | 127 |
141 // True, if a Start or Stop notify call to bluetoothd is currently pending. | 128 // True, if a Start or Stop notify call to bluetoothd is currently pending. |
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153 // invalidate its weak pointers before any other members are destroyed. | 140 // invalidate its weak pointers before any other members are destroyed. |
154 base::WeakPtrFactory<BluetoothRemoteGattCharacteristicChromeOS> | 141 base::WeakPtrFactory<BluetoothRemoteGattCharacteristicChromeOS> |
155 weak_ptr_factory_; | 142 weak_ptr_factory_; |
156 | 143 |
157 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicChromeOS); | 144 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicChromeOS); |
158 }; | 145 }; |
159 | 146 |
160 } // namespace chromeos | 147 } // namespace chromeos |
161 | 148 |
162 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_ | 149 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_CHROMEOS_H_ |
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