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Side by Side Diff: trunk/src/device/bluetooth/bluetooth_gatt_characteristic.h

Issue 224763003: Revert 261566 "device/bluetooth: Rename device::bluetooth_utils:..." (Closed) Base URL: svn://svn.chromium.org/chrome/
Patch Set: Created 6 years, 8 months ago
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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_GATT_CHARACTERISTIC_H_ 5 #ifndef DEVICE_BLUETOOTH_GATT_CHARACTERISTIC_H_
6 #define DEVICE_BLUETOOTH_GATT_CHARACTERISTIC_H_ 6 #define DEVICE_BLUETOOTH_GATT_CHARACTERISTIC_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/basictypes.h" 10 #include "base/basictypes.h"
11 #include "base/callback.h" 11 #include "base/callback.h"
12 #include "device/bluetooth/bluetooth_uuid.h" 12 #include "device/bluetooth/bluetooth_utils.h"
13 13
14 namespace device { 14 namespace device {
15 15
16 class BluetoothGattDescriptor; 16 class BluetoothGattDescriptor;
17 class BluetoothGattService; 17 class BluetoothGattService;
18 18
19 // BluetoothGattCharacteristic represents a local or remote GATT characteristic. 19 // BluetoothGattCharacteristic represents a local or remote GATT characteristic.
20 // A GATT characteristic is a basic data element used to construct a GATT 20 // A GATT characteristic is a basic data element used to construct a GATT
21 // service. Hence, instances of a BluetoothGattCharacteristic are associated 21 // service. Hence, instances of a BluetoothGattCharacteristic are associated
22 // with a BluetoothGattService. There are two ways in which this class is used: 22 // with a BluetoothGattService. There are two ways in which this class is used:
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73 // Interface for observing changes from a BluetoothGattCharacteristic. 73 // Interface for observing changes from a BluetoothGattCharacteristic.
74 // Properties of remote characteristics are received asynchonously. The 74 // Properties of remote characteristics are received asynchonously. The
75 // Observer interface can be used to be notified when the initial values of a 75 // Observer interface can be used to be notified when the initial values of a
76 // characteristic are received as well as when successive changes occur during 76 // characteristic are received as well as when successive changes occur during
77 // its life cycle. 77 // its life cycle.
78 class Observer { 78 class Observer {
79 public: 79 public:
80 // Called when the UUID of |characteristic| has changed. 80 // Called when the UUID of |characteristic| has changed.
81 virtual void UuidChanged( 81 virtual void UuidChanged(
82 BluetoothGattCharacteristic* characteristic, 82 BluetoothGattCharacteristic* characteristic,
83 const BluetoothUUID& uuid) {} 83 const bluetooth_utils::UUID& uuid) {}
84 84
85 // Called when the current value of |characteristic| has changed. 85 // Called when the current value of |characteristic| has changed.
86 virtual void ValueChanged( 86 virtual void ValueChanged(
87 BluetoothGattCharacteristic* characteristic, 87 BluetoothGattCharacteristic* characteristic,
88 const std::vector<uint8>& value) {} 88 const std::vector<uint8>& value) {}
89 89
90 // Called when the descriptors that are associated with |characteristic| 90 // Called when the descriptors that are associated with |characteristic|
91 // have changed. 91 // have changed.
92 virtual void DescriptorsChanged( 92 virtual void DescriptorsChanged(
93 BluetoothGattCharacteristic* characteristic, 93 BluetoothGattCharacteristic* characteristic,
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118 // for write requests by default, unless an instance of 118 // for write requests by default, unless an instance of
119 // BluetoothGattService::Delegate has been provided to the associated 119 // BluetoothGattService::Delegate has been provided to the associated
120 // BluetoothGattService instance, in which case the delegate will handle read 120 // BluetoothGattService instance, in which case the delegate will handle read
121 // and write requests. 121 // and write requests.
122 // 122 //
123 // NOTE: Don't explicitly set |kPropertyExtendedProperties| in |properties|. 123 // NOTE: Don't explicitly set |kPropertyExtendedProperties| in |properties|.
124 // Instead, create and add a BluetoothGattDescriptor that represents the 124 // Instead, create and add a BluetoothGattDescriptor that represents the
125 // "Characteristic Extended Properties" descriptor and this will automatically 125 // "Characteristic Extended Properties" descriptor and this will automatically
126 // set the correspoding bit in the characteristic's properties field. If 126 // set the correspoding bit in the characteristic's properties field. If
127 // |properties| has |kPropertyExtendedProperties| set, it will be ignored. 127 // |properties| has |kPropertyExtendedProperties| set, it will be ignored.
128 static BluetoothGattCharacteristic* Create(const BluetoothUUID& uuid, 128 static BluetoothGattCharacteristic* Create(const bluetooth_utils::UUID& uuid,
129 const std::vector<uint8>& value, 129 const std::vector<uint8>& value,
130 Properties properties, 130 Properties properties,
131 Permissions permissions); 131 Permissions permissions);
132 132
133 // The Bluetooth-specific UUID of the characteristic. 133 // The Bluetooth-specific UUID of the characteristic.
134 virtual const BluetoothUUID& GetUuid() const = 0; 134 virtual const bluetooth_utils::UUID& GetUuid() const = 0;
135 135
136 // Returns true, if this characteristic is hosted locally. If false, then this 136 // Returns true, if this characteristic is hosted locally. If false, then this
137 // instance represents a remote GATT characteristic. 137 // instance represents a remote GATT characteristic.
138 virtual bool IsLocal() const = 0; 138 virtual bool IsLocal() const = 0;
139 139
140 // Returns a pointer to the GATT service this characteristic belongs to. 140 // Returns a pointer to the GATT service this characteristic belongs to.
141 virtual const BluetoothGattService* GetService() const = 0; 141 virtual const BluetoothGattService* GetService() const = 0;
142 142
143 // Returns the list of GATT characteristic descriptors that provide more 143 // Returns the list of GATT characteristic descriptors that provide more
144 // information about this characteristic. 144 // information about this characteristic.
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186 BluetoothGattCharacteristic(); 186 BluetoothGattCharacteristic();
187 virtual ~BluetoothGattCharacteristic(); 187 virtual ~BluetoothGattCharacteristic();
188 188
189 private: 189 private:
190 DISALLOW_COPY_AND_ASSIGN(BluetoothGattCharacteristic); 190 DISALLOW_COPY_AND_ASSIGN(BluetoothGattCharacteristic);
191 }; 191 };
192 192
193 } // namespace device 193 } // namespace device
194 194
195 #endif // DEVICE_BLUETOOTH_GATT_CHARACTERISTIC_H_ 195 #endif // DEVICE_BLUETOOTH_GATT_CHARACTERISTIC_H_
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