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

Issue 1728163006: Implement BluetoothRemoteGattCharacteristicWin::GetDescriptors (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: address comments Created 4 years, 9 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 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 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_WIN_H_ 5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_
6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_ 6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_
7 7
8 #include <unordered_map>
9
8 #include "base/memory/weak_ptr.h" 10 #include "base/memory/weak_ptr.h"
9 #include "base/sequenced_task_runner.h" 11 #include "base/sequenced_task_runner.h"
10 #include "device/bluetooth/bluetooth_gatt_characteristic.h" 12 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
11 #include "device/bluetooth/bluetooth_low_energy_defs_win.h" 13 #include "device/bluetooth/bluetooth_low_energy_defs_win.h"
12 14
13 namespace device { 15 namespace device {
14 16
15 class BluetoothAdapterWin; 17 class BluetoothAdapterWin;
18 class BluetoothRemoteGattDescriptorWin;
16 class BluetoothRemoteGattServiceWin; 19 class BluetoothRemoteGattServiceWin;
17 class BluetoothTaskManagerWin; 20 class BluetoothTaskManagerWin;
18 21
19 // The BluetoothRemoteGattCharacteristicWin class implements 22 // The BluetoothRemoteGattCharacteristicWin class implements
20 // BluetoothGattCharacteristic for remote GATT services on Windows 8 and later. 23 // BluetoothGattCharacteristic for remote GATT services on Windows 8 and later.
21 class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattCharacteristicWin 24 class DEVICE_BLUETOOTH_EXPORT BluetoothRemoteGattCharacteristicWin
22 : public BluetoothGattCharacteristic { 25 : public BluetoothGattCharacteristic {
23 public: 26 public:
24 BluetoothRemoteGattCharacteristicWin( 27 BluetoothRemoteGattCharacteristicWin(
25 BluetoothRemoteGattServiceWin* parent_service, 28 BluetoothRemoteGattServiceWin* parent_service,
(...skipping 19 matching lines...) Expand all
45 const ErrorCallback& error_callback) override; 48 const ErrorCallback& error_callback) override;
46 void ReadRemoteCharacteristic(const ValueCallback& callback, 49 void ReadRemoteCharacteristic(const ValueCallback& callback,
47 const ErrorCallback& error_callback) override; 50 const ErrorCallback& error_callback) override;
48 void WriteRemoteCharacteristic(const std::vector<uint8_t>& new_value, 51 void WriteRemoteCharacteristic(const std::vector<uint8_t>& new_value,
49 const base::Closure& callback, 52 const base::Closure& callback,
50 const ErrorCallback& error_callback) override; 53 const ErrorCallback& error_callback) override;
51 54
52 // Update included descriptors. 55 // Update included descriptors.
53 void Update(); 56 void Update();
54 uint16_t GetAttributeHandle() const; 57 uint16_t GetAttributeHandle() const;
58 BluetoothRemoteGattServiceWin* GetWinService() { return parent_service_; }
55 59
56 private: 60 private:
57 BluetoothAdapterWin* adapter_; 61 void OnGetIncludedDescriptorsCallback(
62 scoped_ptr<BTH_LE_GATT_DESCRIPTOR> descriptors,
63 uint16_t num,
64 HRESULT hr);
65 void UpdateIncludedDescriptors(PBTH_LE_GATT_DESCRIPTOR descriptors,
66 uint16_t num);
67
68 // Checks if the descriptor with |uuid| and |attribute_handle| has already
69 // been discovered as included descriptor.
70 bool IsDescriptorDiscovered(BTH_LE_UUID& uuid, uint16_t attribute_handle);
71
72 // Checks if |descriptor| still exists in this characteristic according to
73 // newly discovered |num| of |descriptors|.
74 static bool DoesDescriptorExist(PBTH_LE_GATT_DESCRIPTOR descriptors,
75 uint16_t num,
76 BluetoothRemoteGattDescriptorWin* descriptor);
77
58 BluetoothRemoteGattServiceWin* parent_service_; 78 BluetoothRemoteGattServiceWin* parent_service_;
59 scoped_refptr<BluetoothTaskManagerWin> task_manager_; 79 scoped_refptr<BluetoothTaskManagerWin> task_manager_;
60 80
61 // Characteristic info from OS and used to interact with OS. 81 // Characteristic info from OS and used to interact with OS.
62 scoped_ptr<BTH_LE_GATT_CHARACTERISTIC> characteristic_info_; 82 scoped_ptr<BTH_LE_GATT_CHARACTERISTIC> characteristic_info_;
63 scoped_refptr<base::SequencedTaskRunner> ui_task_runner_; 83 scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
64 BluetoothUUID characteristic_uuid_; 84 BluetoothUUID characteristic_uuid_;
65 std::vector<uint8_t> characteristic_value_; 85 std::vector<uint8_t> characteristic_value_;
66 std::string characteristic_identifier_; 86 std::string characteristic_identifier_;
67 87
88 // The key of GattDescriptorMap is the identitfier of
89 // BluetoothRemoteGattDescriptorWin instance.
90 typedef std::unordered_map<std::string,
91 scoped_ptr<BluetoothRemoteGattDescriptorWin>>
92 GattDescriptorMap;
93 GattDescriptorMap included_descriptors_;
94
95 // Flag indicates if characteristic added notification of this characteristic
96 // has been sent out to avoid duplicate notification.
97 bool characteristic_added_notified_;
98
68 base::WeakPtrFactory<BluetoothRemoteGattCharacteristicWin> weak_ptr_factory_; 99 base::WeakPtrFactory<BluetoothRemoteGattCharacteristicWin> weak_ptr_factory_;
69 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicWin); 100 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicWin);
70 }; 101 };
71 102
72 } // namespace device 103 } // namespace device
73 104
74 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_ 105 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_WIN_H_
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