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Side by Side Diff: device/bluetooth/dbus/bluetooth_gatt_descriptor_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_DESCRIPTOR_SERVICE_PROVIDER_H_ 5 #ifndef DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_H_
6 #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_H_ 6 #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_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 // BluetoothGattDescriptorServiceProvider is used to provide a D-Bus object that 21 // BluetoothGattDescriptorServiceProvider is used to provide a D-Bus object that
20 // represents a local GATT characteristic descriptor that the Bluetooth daemon 22 // represents a local GATT characteristic descriptor that the Bluetooth daemon
21 // can communicate with. 23 // can 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 descriptor using the 26 // The Bluetooth daemon communicates with a GATT descriptor 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 // descriptor interface are read-only and don't change throughout the 28 // descriptor 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 BluetoothGattDescriptorServiceProvider { 35 class DEVICE_BLUETOOTH_EXPORT BluetoothGattDescriptorServiceProvider {
34 public: 36 public:
35 // Interface for reacting to GATT characteristic descriptor value requests. 37 // Interface for reacting to GATT characteristic descriptor 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 descriptor value 42 // ValueCallback is used for methods that require a descriptor 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 descriptor. Invoke |callback| with a value 50 // value of the exported GATT descriptor. 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 // descriptor has no read permission set. Either callback should be 53 // descriptor 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 GetDescriptorValue(const ValueCallback& callback, 56 virtual void GetDescriptorValue(const ValueCallback& callback,
55 const ErrorCallback& error_callback) = 0; 57 const ErrorCallback& error_callback) = 0;
56 58
57 // This method will be called, when a remote device requests to write the 59 // This method will be called, when a remote device requests to write the
58 // value of the exported GATT descriptor. Invoke |callback| to report 60 // value of the exported GATT descriptor. Invoke |callback| to report
59 // that the value was successfully written. Invoke |error_callback| to 61 // that the value was successfully written. Invoke |error_callback| to
60 // report a failure to write the value. This can happen, for example, if the 62 // report a failure to write the value. This can happen, for example, if the
61 // descriptor has no write permission set. Either callback should be 63 // descriptor has no write permission set. Either callback should be
62 // invoked after a reasonable amount of time, since the request will time 64 // invoked after a reasonable amount of time, since the request will time
63 // out if left pending for too long. 65 // out if left pending for too long.
64 // 66 //
65 // The delegate should use this method to perform any side-effects that may 67 // The delegate should use this method to perform any side-effects that may
66 // occur based on the set value and potentially send a property changed 68 // occur based on the set value and potentially send a property changed
67 // signal to notify the Bluetooth daemon that the value has changed. 69 // signal to notify the Bluetooth daemon that the value has changed.
68 virtual void SetDescriptorValue(const std::vector<uint8>& value, 70 virtual void SetDescriptorValue(const std::vector<uint8_t>& value,
69 const base::Closure& callback, 71 const base::Closure& callback,
70 const ErrorCallback& error_callback) = 0; 72 const ErrorCallback& error_callback) = 0;
71 }; 73 };
72 74
73 virtual ~BluetoothGattDescriptorServiceProvider(); 75 virtual ~BluetoothGattDescriptorServiceProvider();
74 76
75 // Send a PropertyChanged signal to notify the Bluetooth daemon that the value 77 // Send a PropertyChanged signal to notify the Bluetooth daemon that the value
76 // of the "Value" property has changed to |value|. 78 // of the "Value" property has changed to |value|.
77 virtual void SendValueChanged(const std::vector<uint8>& value) = 0; 79 virtual void SendValueChanged(const std::vector<uint8_t>& value) = 0;
78 80
79 // Creates the instance, where |bus| is the D-Bus bus connection to export 81 // Creates the instance, where |bus| is the D-Bus bus connection to export
80 // the object onto, |uuid| is the 128-bit GATT descriptor UUID, |permissions| 82 // the object onto, |uuid| is the 128-bit GATT descriptor UUID, |permissions|
81 // is the list of attribute permissions, |characteristic_path| is the object 83 // is the list of attribute permissions, |characteristic_path| is the object
82 // path of the exported GATT characteristic the descriptor belongs to, 84 // path of the exported GATT characteristic the descriptor belongs to,
83 // |object_path| is the object path that the descriptor should have, and 85 // |object_path| is the object path that the descriptor should have, and
84 // |delegate| is the object that value Get/Set requests will be passed to and 86 // |delegate| is the object that value Get/Set requests will be passed to and
85 // responses generated from. 87 // responses generated from.
86 // 88 //
87 // Object paths of GATT descriptors must be hierarchical to the path of the 89 // Object paths of GATT descriptors must be hierarchical to the path of the
(...skipping 12 matching lines...) Expand all
100 protected: 102 protected:
101 BluetoothGattDescriptorServiceProvider(); 103 BluetoothGattDescriptorServiceProvider();
102 104
103 private: 105 private:
104 DISALLOW_COPY_AND_ASSIGN(BluetoothGattDescriptorServiceProvider); 106 DISALLOW_COPY_AND_ASSIGN(BluetoothGattDescriptorServiceProvider);
105 }; 107 };
106 108
107 } // namespace bluez 109 } // namespace bluez
108 110
109 #endif // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_H_ 111 #endif // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_H_
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