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- // Copyright 2013 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.
- #include "device/bluetooth/dbus/bluetooth_input_client.h"
- #include <map>
- #include "base/bind.h"
- #include "base/check.h"
- #include "base/memory/raw_ptr.h"
- #include "base/observer_list.h"
- #include "dbus/bus.h"
- #include "dbus/message.h"
- #include "dbus/object_manager.h"
- #include "dbus/object_proxy.h"
- #include "third_party/cros_system_api/dbus/service_constants.h"
- namespace bluez {
- BluetoothInputClient::Properties::Properties(
- dbus::ObjectProxy* object_proxy,
- const std::string& interface_name,
- const PropertyChangedCallback& callback)
- : dbus::PropertySet(object_proxy, interface_name, callback) {
- RegisterProperty(bluetooth_input::kReconnectModeProperty, &reconnect_mode);
- }
- BluetoothInputClient::Properties::~Properties() = default;
- // The BluetoothInputClient implementation used in production.
- class BluetoothInputClientImpl : public BluetoothInputClient,
- public dbus::ObjectManager::Interface {
- public:
- BluetoothInputClientImpl() : object_manager_(nullptr) {}
- BluetoothInputClientImpl(const BluetoothInputClientImpl&) = delete;
- BluetoothInputClientImpl& operator=(const BluetoothInputClientImpl&) = delete;
- ~BluetoothInputClientImpl() override {
- object_manager_->UnregisterInterface(
- bluetooth_input::kBluetoothInputInterface);
- }
- // BluetoothInputClient override.
- void AddObserver(BluetoothInputClient::Observer* observer) override {
- DCHECK(observer);
- observers_.AddObserver(observer);
- }
- // BluetoothInputClient override.
- void RemoveObserver(BluetoothInputClient::Observer* observer) override {
- DCHECK(observer);
- observers_.RemoveObserver(observer);
- }
- // dbus::ObjectManager::Interface override.
- dbus::PropertySet* CreateProperties(
- dbus::ObjectProxy* object_proxy,
- const dbus::ObjectPath& object_path,
- const std::string& interface_name) override {
- return new Properties(
- object_proxy, interface_name,
- base::BindRepeating(&BluetoothInputClientImpl::OnPropertyChanged,
- weak_ptr_factory_.GetWeakPtr(), object_path));
- }
- // BluetoothInputClient override.
- Properties* GetProperties(const dbus::ObjectPath& object_path) override {
- return static_cast<Properties*>(object_manager_->GetProperties(
- object_path, bluetooth_input::kBluetoothInputInterface));
- }
- protected:
- void Init(dbus::Bus* bus,
- const std::string& bluetooth_service_name) override {
- object_manager_ = bus->GetObjectManager(
- bluetooth_service_name,
- dbus::ObjectPath(
- bluetooth_object_manager::kBluetoothObjectManagerServicePath));
- object_manager_->RegisterInterface(
- bluetooth_input::kBluetoothInputInterface, this);
- }
- private:
- // Called by dbus::ObjectManager when an object with the input interface
- // is created. Informs observers.
- void ObjectAdded(const dbus::ObjectPath& object_path,
- const std::string& interface_name) override {
- for (auto& observer : observers_)
- observer.InputAdded(object_path);
- }
- // Called by dbus::ObjectManager when an object with the input interface
- // is removed. Informs observers.
- void ObjectRemoved(const dbus::ObjectPath& object_path,
- const std::string& interface_name) override {
- for (auto& observer : observers_)
- observer.InputRemoved(object_path);
- }
- // Called by BluetoothPropertySet when a property value is changed,
- // either by result of a signal or response to a GetAll() or Get()
- // call. Informs observers.
- void OnPropertyChanged(const dbus::ObjectPath& object_path,
- const std::string& property_name) {
- for (auto& observer : observers_)
- observer.InputPropertyChanged(object_path, property_name);
- }
- raw_ptr<dbus::ObjectManager> object_manager_;
- // List of observers interested in event notifications from us.
- base::ObserverList<BluetoothInputClient::Observer>::Unchecked observers_;
- // 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<BluetoothInputClientImpl> weak_ptr_factory_{this};
- };
- BluetoothInputClient::BluetoothInputClient() = default;
- BluetoothInputClient::~BluetoothInputClient() = default;
- BluetoothInputClient* BluetoothInputClient::Create() {
- return new BluetoothInputClientImpl();
- }
- } // namespace bluez
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