| Avi Drissman | 3a215d1e | 2022-09-07 19:43:09 | [diff] [blame] | 1 | // Copyright 2018 The Chromium Authors |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "ash/bluetooth_devices_observer.h" |
| 6 | |
| Avi Drissman | 4de6dab | 2023-01-06 23:17:35 | [diff] [blame] | 7 | #include "base/functional/bind.h" |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 8 | #include "device/bluetooth/bluetooth_adapter_factory.h" |
| 9 | |
| 10 | namespace ash { |
| 11 | |
| 12 | BluetoothDevicesObserver::BluetoothDevicesObserver( |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 13 | const AdapterOrDeviceChangedCallback& device_changed_callback) |
| Jeremy Roman | 47d432e | 2019-08-20 14:24:00 | [diff] [blame] | 14 | : adapter_or_device_changed_callback_(device_changed_callback) { |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 15 | if (device::BluetoothAdapterFactory::IsBluetoothSupported()) { |
| Reilly Grant | 865804a6 | 2020-04-21 18:13:18 | [diff] [blame] | 16 | device::BluetoothAdapterFactory::Get()->GetAdapter( |
| Reilly Grant | d833b30 | 2019-01-08 01:39:02 | [diff] [blame] | 17 | base::BindOnce(&BluetoothDevicesObserver::InitializeOnAdapterReady, |
| 18 | weak_factory_.GetWeakPtr())); |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 19 | } else { |
| 20 | adapter_or_device_changed_callback_.Run(/*device=*/nullptr); |
| 21 | } |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 22 | } |
| 23 | |
| 24 | BluetoothDevicesObserver::~BluetoothDevicesObserver() { |
| 25 | if (bluetooth_adapter_) |
| 26 | bluetooth_adapter_->RemoveObserver(this); |
| 27 | } |
| 28 | |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 29 | void BluetoothDevicesObserver::AdapterPresentChanged( |
| 30 | device::BluetoothAdapter* adapter, |
| 31 | bool present) { |
| 32 | adapter_or_device_changed_callback_.Run(/*device=*/nullptr); |
| 33 | } |
| 34 | |
| 35 | void BluetoothDevicesObserver::AdapterPoweredChanged( |
| 36 | device::BluetoothAdapter* adapter, |
| 37 | bool powered) { |
| 38 | adapter_or_device_changed_callback_.Run(/*device=*/nullptr); |
| 39 | } |
| 40 | |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 41 | void BluetoothDevicesObserver::DeviceChanged(device::BluetoothAdapter* adapter, |
| 42 | device::BluetoothDevice* device) { |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 43 | adapter_or_device_changed_callback_.Run(device); |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 44 | } |
| 45 | |
| 46 | void BluetoothDevicesObserver::InitializeOnAdapterReady( |
| 47 | scoped_refptr<device::BluetoothAdapter> adapter) { |
| 48 | bluetooth_adapter_ = std::move(adapter); |
| 49 | bluetooth_adapter_->AddObserver(this); |
| 50 | } |
| 51 | |
| 52 | bool BluetoothDevicesObserver::IsConnectedBluetoothDevice( |
| 53 | const ui::InputDevice& input_device) const { |
| David Padlipsky | a0f3c4c | 2023-05-22 23:57:35 | [diff] [blame] | 54 | return GetConnectedBluetoothDevice(input_device) != nullptr; |
| 55 | } |
| 56 | |
| 57 | device::BluetoothDevice* BluetoothDevicesObserver::GetConnectedBluetoothDevice( |
| 58 | const ui::InputDevice& input_device) const { |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 59 | if (!bluetooth_adapter_ || !bluetooth_adapter_->IsPresent() || |
| 60 | !bluetooth_adapter_->IsInitialized() || |
| 61 | !bluetooth_adapter_->IsPowered()) { |
| David Padlipsky | a0f3c4c | 2023-05-22 23:57:35 | [diff] [blame] | 62 | return nullptr; |
| Xiaoqian Dai | f631084 | 2018-11-15 05:07:12 | [diff] [blame] | 63 | } |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 64 | |
| 65 | // Since there is no map from an InputDevice to a BluetoothDevice. We just |
| 66 | // comparing their vendor id and product id to guess a match. |
| 67 | for (auto* device : bluetooth_adapter_->GetDevices()) { |
| David Padlipsky | a0f3c4c | 2023-05-22 23:57:35 | [diff] [blame] | 68 | if (!device->IsConnected()) { |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 69 | continue; |
| David Padlipsky | a0f3c4c | 2023-05-22 23:57:35 | [diff] [blame] | 70 | } |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 71 | |
| 72 | if (device->GetVendorID() == input_device.vendor_id && |
| 73 | device->GetProductID() == input_device.product_id) { |
| David Padlipsky | a0f3c4c | 2023-05-22 23:57:35 | [diff] [blame] | 74 | return device; |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 75 | } |
| 76 | } |
| 77 | |
| David Padlipsky | a0f3c4c | 2023-05-22 23:57:35 | [diff] [blame] | 78 | return nullptr; |
| Xiaoqian Dai | 45fbc04 | 2018-09-25 21:00:55 | [diff] [blame] | 79 | } |
| 80 | |
| 81 | } // namespace ash |