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Side by Side Diff: device/bluetooth/dbus/bluetooth_gatt_characteristic_service_provider.h

Issue 1542163002: Switch to standard integer types in device/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: win Created 4 years, 12 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_DBUS_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_ 5 #ifndef DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_
6 #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_ 6 #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_
7 7
8 #include <stdint.h>
9
8 #include <string> 10 #include <string>
9 #include <vector> 11 #include <vector>
10 12
11 #include "base/basictypes.h"
12 #include "base/callback.h" 13 #include "base/callback.h"
14 #include "base/macros.h"
13 #include "dbus/bus.h" 15 #include "dbus/bus.h"
14 #include "dbus/object_path.h" 16 #include "dbus/object_path.h"
15 #include "device/bluetooth/bluetooth_export.h" 17 #include "device/bluetooth/bluetooth_export.h"
16 18
17 namespace bluez { 19 namespace bluez {
18 20
19 // BluetoothGattCharacteristicServiceProvider is used to provide a D-Bus object 21 // BluetoothGattCharacteristicServiceProvider is used to provide a D-Bus object
20 // that represents a local GATT characteristic that the Bluetooth daemon can 22 // that represents a local GATT characteristic that the Bluetooth daemon can
21 // communicate with. 23 // communicate with.
22 // 24 //
23 // Instantiate with a chosen D-Bus object path, delegate, and other fields. 25 // Instantiate with a chosen D-Bus object path, delegate, and other fields.
24 // The Bluetooth daemon communicates with a GATT characteristic using the 26 // The Bluetooth daemon communicates with a GATT characteristic using the
25 // standard DBus.Properties interface. While most properties of the GATT 27 // standard DBus.Properties interface. While most properties of the GATT
26 // characteristic interface are read-only and don't change throughout the 28 // characteristic interface are read-only and don't change throughout the
27 // life-time of the object, the "Value" property is both writeable and its 29 // life-time of the object, the "Value" property is both writeable and its
28 // value can change. Both Get and Set operations performed on the "Value" 30 // value can change. Both Get and Set operations performed on the "Value"
29 // property are delegated to the Delegate object, an instance of which is 31 // property are delegated to the Delegate object, an instance of which is
30 // mandatory during initialization. In addition, a "SendValueChanged" method is 32 // mandatory during initialization. In addition, a "SendValueChanged" method is
31 // provided, which emits a DBus.Properties.PropertyChanged signal for the 33 // provided, which emits a DBus.Properties.PropertyChanged signal for the
32 // "Value" property. 34 // "Value" property.
33 class DEVICE_BLUETOOTH_EXPORT BluetoothGattCharacteristicServiceProvider { 35 class DEVICE_BLUETOOTH_EXPORT BluetoothGattCharacteristicServiceProvider {
34 public: 36 public:
35 // Interface for reacting to GATT characteristic value requests. 37 // Interface for reacting to GATT characteristic value requests.
36 class Delegate { 38 class Delegate {
37 public: 39 public:
38 virtual ~Delegate() {} 40 virtual ~Delegate() {}
39 41
40 // ValueCallback is used for methods that require a characteristic value 42 // ValueCallback is used for methods that require a characteristic value
41 // to be returned. 43 // to be returned.
42 typedef base::Callback<void(const std::vector<uint8>&)> ValueCallback; 44 typedef base::Callback<void(const std::vector<uint8_t>&)> ValueCallback;
43 45
44 // ErrorCallback is used by methods to report failure. 46 // ErrorCallback is used by methods to report failure.
45 typedef base::Closure ErrorCallback; 47 typedef base::Closure ErrorCallback;
46 48
47 // This method will be called when a remote device requests to read the 49 // This method will be called when a remote device requests to read the
48 // value of the exported GATT characteristic. Invoke |callback| with a value 50 // value of the exported GATT characteristic. Invoke |callback| with a value
49 // to return that value to the requester. Invoke |error_callback| to report 51 // to return that value to the requester. Invoke |error_callback| to report
50 // a failure to read the value. This can happen, for example, if the 52 // a failure to read the value. This can happen, for example, if the
51 // characteristic has no read permission set. Either callback should be 53 // characteristic has no read permission set. Either callback should be
52 // invoked after a reasonable amount of time, since the request will time 54 // invoked after a reasonable amount of time, since the request will time
53 // out if left pending for too long. 55 // out if left pending for too long.
54 virtual void GetCharacteristicValue( 56 virtual void GetCharacteristicValue(
55 const ValueCallback& callback, 57 const ValueCallback& callback,
56 const ErrorCallback& error_callback) = 0; 58 const ErrorCallback& error_callback) = 0;
57 59
58 // This method will be called, when a remote device requests to write the 60 // This method will be called, when a remote device requests to write the
59 // value of the exported GATT characteristic. Invoke |callback| to report 61 // value of the exported GATT characteristic. Invoke |callback| to report
60 // that the value was successfully written. Invoke |error_callback| to 62 // that the value was successfully written. Invoke |error_callback| to
61 // report a failure to write the value. This can happen, for example, if the 63 // report a failure to write the value. This can happen, for example, if the
62 // characteristic has no write permission set. Either callback should be 64 // characteristic has no write permission set. Either callback should be
63 // invoked after a reasonable amount of time, since the request will time 65 // invoked after a reasonable amount of time, since the request will time
64 // out if left pending for too long. 66 // out if left pending for too long.
65 // 67 //
66 // The delegate should use this method to perform any side-effects that may 68 // The delegate should use this method to perform any side-effects that may
67 // occur based on the set value and potentially send a property changed 69 // occur based on the set value and potentially send a property changed
68 // signal to notify the Bluetooth daemon that the value has changed. 70 // signal to notify the Bluetooth daemon that the value has changed.
69 virtual void SetCharacteristicValue( 71 virtual void SetCharacteristicValue(
70 const std::vector<uint8>& value, 72 const std::vector<uint8_t>& value,
71 const base::Closure& callback, 73 const base::Closure& callback,
72 const ErrorCallback& error_callback) = 0; 74 const ErrorCallback& error_callback) = 0;
73 }; 75 };
74 76
75 virtual ~BluetoothGattCharacteristicServiceProvider(); 77 virtual ~BluetoothGattCharacteristicServiceProvider();
76 78
77 // Send a PropertyChanged signal to notify the Bluetooth daemon that the value 79 // Send a PropertyChanged signal to notify the Bluetooth daemon that the value
78 // of the "Value" property has changed to |value|. 80 // of the "Value" property has changed to |value|.
79 virtual void SendValueChanged(const std::vector<uint8>& value) = 0; 81 virtual void SendValueChanged(const std::vector<uint8_t>& value) = 0;
80 82
81 // Creates the instance, where |bus| is the D-Bus bus connection to export 83 // Creates the instance, where |bus| is the D-Bus bus connection to export
82 // the object onto, |uuid| is the 128-bit GATT characteristic UUID, 84 // the object onto, |uuid| is the 128-bit GATT characteristic UUID,
83 // |flags| is the list of GATT characteristic properties, |permissions| is the 85 // |flags| is the list of GATT characteristic properties, |permissions| is the
84 // list of attribute permissions, |service_path| is the object path of the 86 // list of attribute permissions, |service_path| is the object path of the
85 // exported GATT service the characteristic belongs to, |object_path| is the 87 // exported GATT service the characteristic belongs to, |object_path| is the
86 // object path that the characteristic should have, and |delegate| is the 88 // object path that the characteristic should have, and |delegate| is the
87 // object that "Value" Get/Set requests will be passed to and responses 89 // object that "Value" Get/Set requests will be passed to and responses
88 // generated from. 90 // generated from.
89 // 91 //
(...skipping 14 matching lines...) Expand all
104 protected: 106 protected:
105 BluetoothGattCharacteristicServiceProvider(); 107 BluetoothGattCharacteristicServiceProvider();
106 108
107 private: 109 private:
108 DISALLOW_COPY_AND_ASSIGN(BluetoothGattCharacteristicServiceProvider); 110 DISALLOW_COPY_AND_ASSIGN(BluetoothGattCharacteristicServiceProvider);
109 }; 111 };
110 112
111 } // namespace bluez 113 } // namespace bluez
112 114
113 #endif // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_ H_ 115 #endif // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_ H_
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