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// Copyright 2023 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/system/input_device_settings/input_device_duplicate_id_finder.h"
#include "ui/events/devices/device_data_manager.h"
namespace ash {
namespace {
template <typename T>
void UpdateList(
const std::vector<T>& devices,
base::flat_map<VendorProductId, base::flat_set<int>>& duplicate_ids_map,
base::flat_map<int, VendorProductId>& vid_pid_map) {
for (const auto& device : devices) {
duplicate_ids_map[{device.vendor_id, device.product_id}].insert(device.id);
vid_pid_map[device.id] = {device.vendor_id, device.product_id};
}
}
} // namespace
InputDeviceDuplicateIdFinder::InputDeviceDuplicateIdFinder() {
ui::DeviceDataManager::GetInstance()->AddObserver(this);
}
InputDeviceDuplicateIdFinder::~InputDeviceDuplicateIdFinder() {
ui::DeviceDataManager::GetInstance()->RemoveObserver(this);
}
const base::flat_set<int>* InputDeviceDuplicateIdFinder::GetDuplicateDeviceIds(
int id) const {
auto vid_pid_iter = vid_pid_map_.find(id);
if (vid_pid_iter == vid_pid_map_.end()) {
return nullptr;
}
auto dedupes_iter = duplicate_ids_map_.find(vid_pid_iter->second);
if (dedupes_iter == duplicate_ids_map_.end()) {
return nullptr;
}
return &dedupes_iter->second;
}
const base::flat_set<int>* InputDeviceDuplicateIdFinder::GetDuplicateDeviceIds(
const VendorProductId& vid_pid) const {
auto dedupes_iter = duplicate_ids_map_.find(vid_pid);
if (dedupes_iter == duplicate_ids_map_.end()) {
return nullptr;
}
return &dedupes_iter->second;
}
std::optional<VendorProductId>
InputDeviceDuplicateIdFinder::GetVendorProductIdForDevice(int id) const {
auto vid_pid_iter = vid_pid_map_.find(id);
if (vid_pid_iter == vid_pid_map_.end()) {
return std::nullopt;
}
return vid_pid_iter->second;
}
void InputDeviceDuplicateIdFinder::OnInputDeviceConfigurationChanged(
uint8_t input_device_type) {
duplicate_ids_map_.clear();
vid_pid_map_.clear();
RefreshKeyboards();
RefreshMice();
RefreshPointingSticks();
RefreshTouchpads();
RefreshTouchscreens();
RefreshGraphicsTablets();
RefreshUncategorized();
NotifyObservers();
}
void InputDeviceDuplicateIdFinder::OnDeviceListsComplete() {
duplicate_ids_map_.clear();
vid_pid_map_.clear();
RefreshKeyboards();
RefreshMice();
RefreshPointingSticks();
RefreshTouchpads();
RefreshTouchscreens();
RefreshGraphicsTablets();
RefreshUncategorized();
NotifyObservers();
}
void InputDeviceDuplicateIdFinder::RefreshKeyboards() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetKeyboardDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::RefreshMice() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetMouseDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::RefreshPointingSticks() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetPointingStickDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::RefreshTouchpads() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetTouchpadDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::RefreshTouchscreens() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetTouchscreenDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::RefreshGraphicsTablets() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetGraphicsTabletDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::RefreshUncategorized() {
UpdateList(ui::DeviceDataManager::GetInstance()->GetUncategorizedDevices(),
duplicate_ids_map_, vid_pid_map_);
}
void InputDeviceDuplicateIdFinder::NotifyObservers() {
for (auto& observer : observers_) {
observer.OnDuplicateDevicesUpdated();
}
}
void InputDeviceDuplicateIdFinder::AddObserver(Observer* observer) {
observers_.AddObserver(observer);
}
void InputDeviceDuplicateIdFinder::RemoveObserver(Observer* observer) {
observers_.RemoveObserver(observer);
}
} // namespace ash
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