| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_IMPL_H_ |
| #define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_IMPL_H_ |
| |
| #include <stdint.h> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/platform_thread.h" |
| #include "dbus/bus.h" |
| #include "dbus/exported_object.h" |
| #include "dbus/message.h" |
| #include "dbus/object_path.h" |
| #include "device/bluetooth/dbus/bluetooth_gatt_attribute_value_delegate.h" |
| #include "device/bluetooth/dbus/bluetooth_gatt_descriptor_service_provider.h" |
| |
| namespace bluez { |
| |
| // The BluetoothGattDescriptorServiceProvider implementation used in production. |
| class DEVICE_BLUETOOTH_EXPORT BluetoothGattDescriptorServiceProviderImpl |
| : public BluetoothGattDescriptorServiceProvider { |
| public: |
| // Use nullptr for |bus| to create for testing. |
| BluetoothGattDescriptorServiceProviderImpl( |
| dbus::Bus* bus, |
| const dbus::ObjectPath& object_path, |
| std::unique_ptr<BluetoothGattAttributeValueDelegate> delegate, |
| const std::string& uuid, |
| const std::vector<std::string>& flags, |
| const dbus::ObjectPath& characteristic_path); |
| ~BluetoothGattDescriptorServiceProviderImpl() override; |
| |
| // BluetoothGattDescriptorServiceProvider override. |
| void SendValueChanged(const std::vector<uint8_t>& value) override; |
| |
| private: |
| // Returns true if the current thread is on the origin thread. |
| bool OnOriginThread(); |
| |
| // Called by dbus:: when the Bluetooth daemon fetches a single property of |
| // the descriptor. |
| void Get(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Called by dbus:: when the Bluetooth daemon sets a single property of the |
| // descriptor. |
| void Set(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Called by dbus:: when the Bluetooth daemon fetches all properties of the |
| // descriptor. |
| void GetAll(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Called by BlueZ when a remote central is requesting to read the value of |
| // this descriptor. |
| void ReadValue(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Called by BlueZ when a remote central is requesting to write the value of |
| // this descriptor. |
| void WriteValue(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Called by dbus:: when a method is exported. |
| void OnExported(const std::string& interface_name, |
| const std::string& method_name, |
| bool success); |
| |
| // Writes the descriptor's properties into the provided writer. |
| void WriteProperties(dbus::MessageWriter* writer) override; |
| |
| // Called by the Delegate in response to a method to call to read the value |
| // of this descriptor. |
| void OnReadValue(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender, |
| const std::vector<uint8_t>& value); |
| |
| // Called by the Delegate in response to a method to call to write the value |
| // of this descriptor. |
| void OnWriteValue(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Called by the Delegate in response to a failed method call to get or set |
| // the descriptor value. |
| void OnFailure(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| const dbus::ObjectPath& object_path() const override; |
| |
| // Origin thread (i.e. the UI thread in production). |
| base::PlatformThreadId origin_thread_id_; |
| |
| // 128-bit descriptor UUID of this object. |
| std::string uuid_; |
| |
| // Permissions for this descriptor. |
| std::vector<std::string> flags_; |
| |
| // D-Bus bus object is exported on, not owned by this object and must |
| // outlive it. |
| dbus::Bus* bus_; |
| |
| // Incoming methods to get and set the "Value" property are passed on to the |
| // delegate and callbacks passed to generate a reply. |delegate_| is generally |
| // the object that owns this one and must outlive it. |
| std::unique_ptr<BluetoothGattAttributeValueDelegate> delegate_; |
| |
| // D-Bus object path of object we are exporting, kept so we can unregister |
| // again in our destructor. |
| dbus::ObjectPath object_path_; |
| |
| // Object path of the GATT characteristic that the exported descriptor belongs |
| // to. |
| dbus::ObjectPath characteristic_path_; |
| |
| // D-Bus object we are exporting, owned by this object. |
| scoped_refptr<dbus::ExportedObject> exported_object_; |
| |
| // Weak pointer factory for generating 'this' pointers that might live longer |
| // than we do. |
| // Note: This should remain the last member so it'll be destroyed and |
| // invalidate its weak pointers before any other members are destroyed. |
| base::WeakPtrFactory<BluetoothGattDescriptorServiceProviderImpl> |
| weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(BluetoothGattDescriptorServiceProviderImpl); |
| }; |
| |
| } // namespace bluez |
| |
| #endif // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_DESCRIPTOR_SERVICE_PROVIDER_IMPL_H_ |