Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(218)

Side by Side Diff: device/bluetooth/bluetooth_remote_gatt_descriptor.h

Issue 1898643002: Refactor device::BluetoothGattXXX classes to split into remote/local. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
1 // Copyright 2016 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_DESCRIPTOR_H_
6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_H_
7
8 #include <stdint.h>
9 #include <vector>
10
11 #include "base/callback.h"
12 #include "base/callback_forward.h"
13 #include "base/macros.h"
14 #include "device/bluetooth/bluetooth_export.h"
15 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
16 #include "device/bluetooth/bluetooth_gatt_descriptor.h"
17 #include "device/bluetooth/bluetooth_uuid.h"
18
19 namespace device {
20
21 class BluetoothRemoteGattCharacteristic;
22
23 // BluetoothRemoteGattDescriptor represents a remote GATT characteristic
24 // descriptor.
25 //
26 // Note: We use virtual inheritance on the GATT descriptor since it will be
27 // inherited by platform specific versions of the GATT descriptor classes also.
28 // The platform specific remote GATT descriptor classes will inherit both this
29 // class and their GATT descriptor class, hence causing an inheritance diamond.
30 class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattDescriptor
31 : public virtual BluetoothGattDescriptor {
32 public:
33 // The ValueCallback is used to return the value of a remote characteristic
34 // descriptor upon a read request.
35 typedef base::Callback<void(const std::vector<uint8_t>&)> ValueCallback;
36
37 // The Bluetooth-specific UUID of the characteristic descriptor.
38 virtual BluetoothUUID GetUUID() const = 0;
39
40 // Returns the value of the descriptor. For remote descriptors, this is the
41 // most recently cached value of the remote descriptor. For local descriptors
42 // this is the most recently updated value or the value retrieved from the
43 // delegate.
44 virtual const std::vector<uint8_t>& GetValue() const = 0;
45
46 // Returns a pointer to the GATT characteristic that this characteristic
47 // descriptor belongs to.
48 virtual BluetoothRemoteGattCharacteristic* GetCharacteristic() const = 0;
49
50 // Returns the bitmask of characteristic descriptor attribute permissions.
51 virtual BluetoothGattCharacteristic::Permissions GetPermissions() const = 0;
52
53 // Sends a read request to a remote characteristic descriptor to read its
54 // value. |callback| is called to return the read value on success and
55 // |error_callback| is called for failures.
56 virtual void ReadRemoteDescriptor(const ValueCallback& callback,
57 const ErrorCallback& error_callback) = 0;
58
59 // Sends a write request to a remote characteristic descriptor, to modify the
60 // value of the descriptor with the new value |new_value|. |callback| is
61 // called to signal success and |error_callback| for failures. This method
62 // only applies to remote descriptors and will fail for those that are locally
63 // hosted.
64 virtual void WriteRemoteDescriptor(const std::vector<uint8_t>& new_value,
65 const base::Closure& callback,
66 const ErrorCallback& error_callback) = 0;
67
68 protected:
69 BluetoothRemoteGattDescriptor();
70 ~BluetoothRemoteGattDescriptor() override;
71
72 private:
73 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattDescriptor);
74 };
75
76 } // namespace device
77
78 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_DESCRIPTOR_H_
OLDNEW

Powered by Google App Engine
This is Rietveld 408576698