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Diffstat (limited to 'device/bluetooth/bluetooth_remote_gatt_service_chromeos.h')
-rw-r--r-- | device/bluetooth/bluetooth_remote_gatt_service_chromeos.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/device/bluetooth/bluetooth_remote_gatt_service_chromeos.h b/device/bluetooth/bluetooth_remote_gatt_service_chromeos.h new file mode 100644 index 0000000..bc35cb7 --- /dev/null +++ b/device/bluetooth/bluetooth_remote_gatt_service_chromeos.h @@ -0,0 +1,148 @@ +// Copyright 2014 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_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_ +#define DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_ + +#include <map> +#include <string> +#include <vector> + +#include "base/memory/ref_counted.h" +#include "base/memory/weak_ptr.h" +#include "base/observer_list.h" +#include "dbus/object_path.h" +#include "device/bluetooth/bluetooth_gatt_service.h" +#include "device/bluetooth/bluetooth_uuid.h" +#include "device/bluetooth/dbus/bluetooth_gatt_characteristic_client.h" +#include "device/bluetooth/dbus/bluetooth_gatt_service_client.h" + +namespace device { + +class BluetoothAdapter; +class BluetoothGattCharacteristic; + +} // namespace device + +namespace chromeos { + +class BluetoothAdapterChromeOS; +class BluetoothDeviceChromeOS; +class BluetoothRemoteGattCharacteristicChromeOS; +class BluetoothRemoteGattDescriptorChromeOS; + +// The BluetoothRemoteGattServiceChromeOS class implements BluetootGattService +// for remote GATT services on the Chrome OS platform. +class BluetoothRemoteGattServiceChromeOS + : public device::BluetoothGattService, + public bluez::BluetoothGattServiceClient::Observer, + public bluez::BluetoothGattCharacteristicClient::Observer { + public: + // device::BluetoothGattService overrides. + std::string GetIdentifier() const override; + device::BluetoothUUID GetUUID() const override; + bool IsLocal() const override; + bool IsPrimary() const override; + device::BluetoothDevice* GetDevice() const override; + std::vector<device::BluetoothGattCharacteristic*> GetCharacteristics() + const override; + std::vector<device::BluetoothGattService*> GetIncludedServices() + const override; + device::BluetoothGattCharacteristic* GetCharacteristic( + const std::string& identifier) const override; + bool AddCharacteristic( + device::BluetoothGattCharacteristic* characteristic) override; + bool AddIncludedService(device::BluetoothGattService* service) override; + void Register(const base::Closure& callback, + const ErrorCallback& error_callback) override; + void Unregister(const base::Closure& callback, + const ErrorCallback& error_callback) override; + + // Object path of the underlying service. + const dbus::ObjectPath& object_path() const { return object_path_; } + + // Parses a named D-Bus error into a service error code. + static device::BluetoothGattService::GattErrorCode DBusErrorToServiceError( + const std::string error_name); + + // Returns the adapter associated with this service. + BluetoothAdapterChromeOS* GetAdapter() const; + + // Notifies its observers that the GATT service has changed. This is mainly + // used by BluetoothRemoteGattCharacteristicChromeOS instances to notify + // service observers when characteristic descriptors get added and removed. + void NotifyServiceChanged(); + + // Notifies its observers that a descriptor |descriptor| belonging to + // characteristic |characteristic| has been added or removed. This is used + // by BluetoothRemoteGattCharacteristicChromeOS instances to notify service + // observers when characteristic descriptors get added and removed. If |added| + // is true, an "Added" event will be sent. Otherwise, a "Removed" event will + // be sent. + void NotifyDescriptorAddedOrRemoved( + BluetoothRemoteGattCharacteristicChromeOS* characteristic, + BluetoothRemoteGattDescriptorChromeOS* descriptor, + bool added); + + // Notifies its observers that the value of a descriptor has changed. Called + // by BluetoothRemoteGattCharacteristicChromeOS instances to notify service + // observers. + void NotifyDescriptorValueChanged( + BluetoothRemoteGattCharacteristicChromeOS* characteristic, + BluetoothRemoteGattDescriptorChromeOS* descriptor, + const std::vector<uint8>& value); + + private: + friend class BluetoothDeviceChromeOS; + + typedef std::map<dbus::ObjectPath, BluetoothRemoteGattCharacteristicChromeOS*> + CharacteristicMap; + + BluetoothRemoteGattServiceChromeOS(BluetoothAdapterChromeOS* adapter, + BluetoothDeviceChromeOS* device, + const dbus::ObjectPath& object_path); + ~BluetoothRemoteGattServiceChromeOS() override; + + // bluez::BluetoothGattServiceClient::Observer override. + void GattServicePropertyChanged(const dbus::ObjectPath& object_path, + const std::string& property_name) override; + + // bluez::BluetoothGattCharacteristicClient::Observer override. + void GattCharacteristicAdded(const dbus::ObjectPath& object_path) override; + void GattCharacteristicRemoved(const dbus::ObjectPath& object_path) override; + void GattCharacteristicPropertyChanged( + const dbus::ObjectPath& object_path, + const std::string& property_name) override; + + // Object path of the GATT service. + dbus::ObjectPath object_path_; + + // The adapter associated with this service. It's ok to store a raw pointer + // here since |adapter_| indirectly owns this instance. + BluetoothAdapterChromeOS* adapter_; + + // The device this GATT service belongs to. It's ok to store a raw pointer + // here since |device_| owns this instance. + BluetoothDeviceChromeOS* device_; + + // Mapping from GATT characteristic object paths to characteristic objects. + // owned by this service. Since the Chrome OS implementation uses object + // paths as unique identifiers, we also use this mapping to return + // characteristics by identifier. + CharacteristicMap characteristics_; + + // Indicates whether or not the characteristics of this service are known to + // have been discovered. + bool discovery_complete_; + + // 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<BluetoothRemoteGattServiceChromeOS> weak_ptr_factory_; + + DISALLOW_COPY_AND_ASSIGN(BluetoothRemoteGattServiceChromeOS); +}; + +} // namespace chromeos + +#endif // DEVICE_BLUETOOTH_BLUETOOTH_REMOTE_GATT_SERVICE_CHROMEOS_H_ |