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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/bluetooth_devices_observer.h"
#include "base/functional/bind.h"
#include "device/bluetooth/bluetooth_adapter_factory.h"
namespace ash {
BluetoothDevicesObserver::BluetoothDevicesObserver(
const AdapterOrDeviceChangedCallback& device_changed_callback)
: adapter_or_device_changed_callback_(device_changed_callback) {
if (device::BluetoothAdapterFactory::IsBluetoothSupported()) {
device::BluetoothAdapterFactory::Get()->GetAdapter(
base::BindOnce(&BluetoothDevicesObserver::InitializeOnAdapterReady,
weak_factory_.GetWeakPtr()));
} else {
adapter_or_device_changed_callback_.Run(/*device=*/nullptr);
}
}
BluetoothDevicesObserver::~BluetoothDevicesObserver() {
if (bluetooth_adapter_)
bluetooth_adapter_->RemoveObserver(this);
}
void BluetoothDevicesObserver::AdapterPresentChanged(
device::BluetoothAdapter* adapter,
bool present) {
adapter_or_device_changed_callback_.Run(/*device=*/nullptr);
}
void BluetoothDevicesObserver::AdapterPoweredChanged(
device::BluetoothAdapter* adapter,
bool powered) {
adapter_or_device_changed_callback_.Run(/*device=*/nullptr);
}
void BluetoothDevicesObserver::DeviceAdded(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) {
adapter_or_device_changed_callback_.Run(device);
}
void BluetoothDevicesObserver::DeviceChanged(device::BluetoothAdapter* adapter,
device::BluetoothDevice* device) {
adapter_or_device_changed_callback_.Run(device);
}
void BluetoothDevicesObserver::InitializeOnAdapterReady(
scoped_refptr<device::BluetoothAdapter> adapter) {
bluetooth_adapter_ = std::move(adapter);
bluetooth_adapter_->AddObserver(this);
}
bool BluetoothDevicesObserver::IsConnectedBluetoothDevice(
const ui::InputDevice& input_device) const {
return GetConnectedBluetoothDevice(input_device) != nullptr;
}
device::BluetoothDevice* BluetoothDevicesObserver::GetConnectedBluetoothDevice(
const ui::InputDevice& input_device) const {
if (!bluetooth_adapter_ || !bluetooth_adapter_->IsPresent() ||
!bluetooth_adapter_->IsInitialized() ||
!bluetooth_adapter_->IsPowered()) {
return nullptr;
}
// Since there is no map from an InputDevice to a BluetoothDevice. We just
// comparing their vendor id and product id to guess a match.
for (auto* device : bluetooth_adapter_->GetDevices()) {
if (!device->IsConnected()) {
continue;
}
if (device->GetVendorID() == input_device.vendor_id &&
device->GetProductID() == input_device.product_id) {
return device;
}
}
return nullptr;
}
} // namespace ash
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