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// Copyright 2022 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_tracker.h"
#include <memory>
#include <string>
#include <string_view>
#include "ash/constants/ash_features.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shell.h"
#include "ash/system/input_device_settings/input_device_key_alias_manager.h"
#include "ash/system/input_device_settings/input_device_settings_controller_impl.h"
#include "ash/system/input_device_settings/input_device_settings_pref_names.h"
#include "base/containers/contains.h"
#include "components/prefs/pref_member.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
namespace ash {
InputDeviceTracker::InputDeviceTracker() {
Shell::Get()->session_controller()->AddObserver(this);
}
InputDeviceTracker::~InputDeviceTracker() {
Shell::Get()->session_controller()->RemoveObserver(this);
}
void InputDeviceTracker::RegisterProfilePrefs(
PrefRegistrySimple* pref_registry) {
pref_registry->RegisterListPref(prefs::kMouseObservedDevicesPref);
pref_registry->RegisterListPref(prefs::kKeyboardObservedDevicesPref);
pref_registry->RegisterListPref(prefs::kTouchpadObservedDevicesPref);
pref_registry->RegisterListPref(prefs::kPointingStickObservedDevicesPref);
}
void InputDeviceTracker::ResetPrefMembers() {
mouse_observed_devices_ = std::make_unique<StringListPrefMember>();
touchpad_observed_devices_ = std::make_unique<StringListPrefMember>();
keyboard_observed_devices_ = std::make_unique<StringListPrefMember>();
pointing_stick_observed_devices_ = std::make_unique<StringListPrefMember>();
}
void InputDeviceTracker::OnActiveUserPrefServiceChanged(
PrefService* pref_service) {
// When the user's `pref_service` changes, we need to re-initialize our
// `StringListPrefMember`s and record that we have seen all currently
// connected devices.
Init(pref_service);
}
bool InputDeviceTracker::WasDevicePreviouslyConnected(
InputDeviceCategory category,
std::string_view device_key) const {
const auto* observed_devices = GetObservedDevicesForCategory(category);
return observed_devices &&
base::Contains(observed_devices->GetValue(), device_key);
}
void InputDeviceTracker::Init(PrefService* pref_service) {
ResetPrefMembers();
mouse_observed_devices_->Init(prefs::kMouseObservedDevicesPref, pref_service);
touchpad_observed_devices_->Init(prefs::kTouchpadObservedDevicesPref,
pref_service);
keyboard_observed_devices_->Init(prefs::kKeyboardObservedDevicesPref,
pref_service);
pointing_stick_observed_devices_->Init(
prefs::kPointingStickObservedDevicesPref, pref_service);
}
StringListPrefMember* InputDeviceTracker::GetObservedDevicesForCategory(
InputDeviceCategory category) const {
switch (category) {
case InputDeviceCategory::kMouse:
return mouse_observed_devices_.get();
case InputDeviceCategory::kKeyboard:
return keyboard_observed_devices_.get();
case InputDeviceCategory::kPointingStick:
return pointing_stick_observed_devices_.get();
case InputDeviceCategory::kTouchpad:
return touchpad_observed_devices_.get();
}
}
} // namespace ash
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