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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_key_alias_manager.h"
#include <string_view>
#include "ash/system/input_device_settings/input_device_settings_utils.h"
namespace ash {
namespace {
// Device Key - Built using the VID/PID for the device "<vid>:<pid>"
// Contains entries in the form of <aliased_key, primary_key> for devices that
// report different PID/VIDs depending on the connection method used
// (Bluetooth/USB). The device key reported when connected via USB will be
// used as the primary key for a set of keys belonging to a device.
static constexpr std::pair<const char*, const char*>
kAliasToPrimaryDeviceKeyMap[] = {
// Apple Magic Keyboard with Numeric Pad {Bluetooth, USB}
{"004c:026c", "05ac:026c"},
{"046d:b35b", "046d:408a"} // Logitech MX Keys {Bluetooth, Receiver}
};
} // namespace
InputDeviceKeyAliasManager::InputDeviceKeyAliasManager() {
for (const auto& [aliased_key, primary_key] : kAliasToPrimaryDeviceKeyMap) {
AddDeviceKeyPair(primary_key, aliased_key);
}
}
InputDeviceKeyAliasManager::~InputDeviceKeyAliasManager() = default;
std::string InputDeviceKeyAliasManager::GetAliasedDeviceKey(
const ui::InputDevice& device) {
return GetAliasedDeviceKey(device.vendor_id, device.product_id);
}
std::string InputDeviceKeyAliasManager::GetAliasedDeviceKey(
uint16_t vendor_id,
uint16_t product_id) {
const std::string key = BuildDeviceKey(vendor_id, product_id);
const auto it = alias_to_primary_key_map_.find(key);
return it == alias_to_primary_key_map_.end() ? key : it->second;
}
const base::flat_set<std::string>*
InputDeviceKeyAliasManager::GetAliasesForPrimaryDeviceKey(
std::string_view primary_device_key) const {
const auto it = primary_key_to_aliases_map_.find(primary_device_key);
return it == primary_key_to_aliases_map_.end() ? nullptr : &it->second;
}
void InputDeviceKeyAliasManager::AddDeviceKeyPair(
const std::string& primary_key,
const std::string& aliased_key) {
primary_key_to_aliases_map_[primary_key].insert(aliased_key);
alias_to_primary_key_map_.emplace(aliased_key, primary_key);
}
} // namespace ash
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