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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_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_BLUEZ_H_ | 5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_BLUEZ_H_ |
| 6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_BLUEZ_H_ | 6 #define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_BLUEZ_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
| 11 #include <map> | 11 #include <map> |
| 12 #include <queue> | 12 #include <queue> |
| 13 #include <string> | 13 #include <string> |
| 14 #include <utility> | 14 #include <utility> |
| 15 #include <vector> | 15 #include <vector> |
| 16 | 16 |
| 17 #include "base/macros.h" | 17 #include "base/macros.h" |
| 18 #include "base/memory/weak_ptr.h" | 18 #include "base/memory/weak_ptr.h" |
| 19 #include "dbus/object_path.h" | 19 #include "dbus/object_path.h" |
| 20 #include "device/bluetooth/bluetooth_gatt_characteristic.h" | 20 #include "device/bluetooth/bluetooth_gatt_characteristic_bluez.h" |
| 21 #include "device/bluetooth/bluetooth_uuid.h" | 21 #include "device/bluetooth/bluetooth_uuid.h" |
| 22 #include "device/bluetooth/dbus/bluetooth_gatt_descriptor_client.h" | 22 #include "device/bluetooth/dbus/bluetooth_gatt_descriptor_client.h" |
| 23 | 23 |
| 24 namespace device { | 24 namespace device { |
| 25 | 25 |
| 26 class BluetoothGattDescriptor; | 26 class BluetoothGattDescriptor; |
| 27 class BluetoothGattService; | 27 class BluetoothGattService; |
| 28 | 28 |
| 29 } // namespace device | 29 } // namespace device |
| 30 | 30 |
| 31 namespace bluez { | 31 namespace bluez { |
| 32 | 32 |
| 33 class BluetoothRemoteGattDescriptorBlueZ; | 33 class BluetoothGattDescriptorBlueZ; |
| 34 class BluetoothRemoteGattServiceBlueZ; | 34 class BluetoothRemoteGattServiceBlueZ; |
| 35 | 35 |
| 36 // The BluetoothRemoteGattCharacteristicBlueZ class implements | 36 // The BluetoothRemoteGattCharacteristicBlueZ class implements |
| 37 // BluetoothGattCharacteristic for remote GATT characteristics for platforms | 37 // BluetoothGattCharacteristic for remote GATT characteristics for platforms |
| 38 // that use BlueZ. | 38 // that use BlueZ. |
| 39 class BluetoothRemoteGattCharacteristicBlueZ | 39 class BluetoothRemoteGattCharacteristicBlueZ |
| 40 : public device::BluetoothGattCharacteristic, | 40 : public BluetoothGattCharacteristicBlueZ, |
| 41 public bluez::BluetoothGattDescriptorClient::Observer { | 41 public BluetoothGattDescriptorClient::Observer { |
| 42 public: | 42 public: |
| 43 // device::BluetoothGattCharacteristic overrides. | 43 // device::BluetoothGattCharacteristic overrides. |
| 44 std::string GetIdentifier() const override; | |
| 45 device::BluetoothUUID GetUUID() const override; | |
| 46 bool IsLocal() const override; | 44 bool IsLocal() const override; |
| 47 const std::vector<uint8_t>& GetValue() const override; | |
| 48 device::BluetoothGattService* GetService() const override; | |
| 49 Properties GetProperties() const override; | |
| 50 Permissions GetPermissions() const override; | |
| 51 bool IsNotifying() const override; | |
| 52 std::vector<device::BluetoothGattDescriptor*> GetDescriptors() const override; | |
| 53 device::BluetoothGattDescriptor* GetDescriptor( | |
| 54 const std::string& identifier) const override; | |
| 55 bool AddDescriptor(device::BluetoothGattDescriptor* descriptor) override; | 45 bool AddDescriptor(device::BluetoothGattDescriptor* descriptor) override; |
| 56 bool UpdateValue(const std::vector<uint8_t>& value) override; | 46 bool UpdateValue(const std::vector<uint8_t>& value) override; |
| 57 void ReadRemoteCharacteristic(const ValueCallback& callback, | |
| 58 const ErrorCallback& error_callback) override; | |
| 59 void WriteRemoteCharacteristic(const std::vector<uint8_t>& new_value, | |
| 60 const base::Closure& callback, | |
| 61 const ErrorCallback& error_callback) override; | |
| 62 void StartNotifySession(const NotifySessionCallback& callback, | 47 void StartNotifySession(const NotifySessionCallback& callback, |
| 63 const ErrorCallback& error_callback) override; | 48 const ErrorCallback& error_callback) override; |
| 64 | 49 |
| 65 // Removes one value update session and invokes |callback| on completion. This | 50 // Removes one value update session and invokes |callback| on completion. This |
| 66 // decrements the session reference count by 1 and if the number reaches 0, | 51 // decrements the session reference count by 1 and if the number reaches 0, |
| 67 // makes a call to the subsystem to stop notifications from this | 52 // makes a call to the subsystem to stop notifications from this |
| 68 // characteristic. | 53 // characteristic. |
| 69 void RemoveNotifySession(const base::Closure& callback); | 54 void RemoveNotifySession(const base::Closure& callback); |
| 70 | 55 |
| 71 // Object path of the underlying D-Bus characteristic. | 56 // Object path of the underlying D-Bus characteristic. |
| 72 const dbus::ObjectPath& object_path() const { return object_path_; } | 57 const dbus::ObjectPath& object_path() const { return object_path_; } |
| 73 | 58 |
| 74 private: | 59 private: |
| 75 friend class BluetoothRemoteGattServiceBlueZ; | 60 friend class BluetoothRemoteGattServiceBlueZ; |
| 76 | 61 |
| 77 typedef std::pair<NotifySessionCallback, ErrorCallback> | 62 typedef std::pair<NotifySessionCallback, ErrorCallback> |
| 78 PendingStartNotifyCall; | 63 PendingStartNotifyCall; |
| 79 | 64 |
| 80 BluetoothRemoteGattCharacteristicBlueZ( | 65 BluetoothRemoteGattCharacteristicBlueZ( |
| 81 BluetoothRemoteGattServiceBlueZ* service, | 66 BluetoothRemoteGattServiceBlueZ* service, |
| 82 const dbus::ObjectPath& object_path); | 67 const dbus::ObjectPath& object_path); |
| 83 ~BluetoothRemoteGattCharacteristicBlueZ() override; | 68 ~BluetoothRemoteGattCharacteristicBlueZ() override; |
| 84 | 69 |
| 85 // bluez::BluetoothGattDescriptorClient::Observer overrides. | 70 // bluez::BluetoothGattDescriptorClient::Observer overrides. |
| 86 void GattDescriptorAdded(const dbus::ObjectPath& object_path) override; | 71 void GattDescriptorAdded(const dbus::ObjectPath& object_path) override; |
| 87 void GattDescriptorRemoved(const dbus::ObjectPath& object_path) override; | 72 void GattDescriptorRemoved(const dbus::ObjectPath& object_path) override; |
| 88 void GattDescriptorPropertyChanged(const dbus::ObjectPath& object_path, | 73 void GattDescriptorPropertyChanged(const dbus::ObjectPath& object_path, |
| 89 const std::string& property_name) override; | 74 const std::string& property_name) override; |
| 90 | 75 |
| 91 // Called by dbus:: on unsuccessful completion of a request to read or write | |
| 92 // the characteristic value. | |
| 93 void OnError(const ErrorCallback& error_callback, | |
| 94 const std::string& error_name, | |
| 95 const std::string& error_message); | |
| 96 | |
| 97 // Called by dbus:: on successful completion of a request to start | 76 // Called by dbus:: on successful completion of a request to start |
| 98 // notifications. | 77 // notifications. |
| 99 void OnStartNotifySuccess(const NotifySessionCallback& callback); | 78 void OnStartNotifySuccess(const NotifySessionCallback& callback); |
| 100 | 79 |
| 101 // Called by dbus:: on unsuccessful completion of a request to start | 80 // Called by dbus:: on unsuccessful completion of a request to start |
| 102 // notifications. | 81 // notifications. |
| 103 void OnStartNotifyError(const ErrorCallback& error_callback, | 82 void OnStartNotifyError(const ErrorCallback& error_callback, |
| 104 const std::string& error_name, | 83 const std::string& error_name, |
| 105 const std::string& error_message); | 84 const std::string& error_message); |
| 106 | 85 |
| (...skipping 23 matching lines...) Expand all Loading... |
| 130 // first remote call to start notifications. | 109 // first remote call to start notifications. |
| 131 std::queue<PendingStartNotifyCall> pending_start_notify_calls_; | 110 std::queue<PendingStartNotifyCall> pending_start_notify_calls_; |
| 132 | 111 |
| 133 // True, if a Start or Stop notify call to bluetoothd is currently pending. | 112 // True, if a Start or Stop notify call to bluetoothd is currently pending. |
| 134 bool notify_call_pending_; | 113 bool notify_call_pending_; |
| 135 | 114 |
| 136 // Mapping from GATT descriptor object paths to descriptor objects owned by | 115 // Mapping from GATT descriptor object paths to descriptor objects owned by |
| 137 // this characteristic. Since the BlueZ implementation uses object paths | 116 // this characteristic. Since the BlueZ implementation uses object paths |
| 138 // as unique identifiers, we also use this mapping to return descriptors by | 117 // as unique identifiers, we also use this mapping to return descriptors by |
| 139 // identifier. | 118 // identifier. |
| 140 typedef std::map<dbus::ObjectPath, BluetoothRemoteGattDescriptorBlueZ*> | 119 typedef std::map<dbus::ObjectPath, BluetoothGattDescriptorBlueZ*> |
| 141 DescriptorMap; | 120 DescriptorMap; |
| 142 DescriptorMap descriptors_; | 121 DescriptorMap descriptors_; |
| 143 | 122 |
| 144 // Note: This should remain the last member so it'll be destroyed and | 123 // Note: This should remain the last member so it'll be destroyed and |
| 145 // invalidate its weak pointers before any other members are destroyed. | 124 // invalidate its weak pointers before any other members are destroyed. |
| 146 base::WeakPtrFactory<BluetoothRemoteGattCharacteristicBlueZ> | 125 base::WeakPtrFactory<BluetoothRemoteGattCharacteristicBlueZ> |
| 147 weak_ptr_factory_; | 126 weak_ptr_factory_; |
| 148 | 127 |
| 149 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicBlueZ); | 128 DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattCharacteristicBlueZ); |
| 150 }; | 129 }; |
| 151 | 130 |
| 152 } // namespace bluez | 131 } // namespace bluez |
| 153 | 132 |
| 154 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_BLUEZ_H_ | 133 #endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_CHARACTERISTIC_BLUEZ_H_ |
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