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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/ash/settings/pages/device/device_pointer_handler.h"
#include "base/functional/bind.h"
#include "base/values.h"
#include "content/public/browser/web_ui.h"
namespace ash::settings {
PointerHandler::PointerHandler() = default;
PointerHandler::~PointerHandler() = default;
void PointerHandler::RegisterMessages() {
web_ui()->RegisterMessageCallback(
"initializePointerSettings",
base::BindRepeating(&PointerHandler::HandleInitialize,
base::Unretained(this)));
}
void PointerHandler::OnJavascriptAllowed() {
if (!pointer_device_observer_) {
pointer_device_observer_ =
std::make_unique<system::PointerDeviceObserver>();
pointer_device_observer_->Init();
}
pointer_device_observer_->AddObserver(this);
}
void PointerHandler::OnJavascriptDisallowed() {
pointer_device_observer_->RemoveObserver(this);
}
void PointerHandler::TouchpadExists(bool exists) {
FireWebUIListener("has-touchpad-changed", base::Value(exists));
}
void PointerHandler::HapticTouchpadExists(bool exists) {
FireWebUIListener("has-haptic-touchpad-changed", base::Value(exists));
}
void PointerHandler::MouseExists(bool exists) {
FireWebUIListener("has-mouse-changed", base::Value(exists));
}
void PointerHandler::PointingStickExists(bool exists) {
FireWebUIListener("has-pointing-stick-changed", base::Value(exists));
}
void PointerHandler::HandleInitialize(const base::Value::List& args) {
AllowJavascript();
// CheckDevices() results in TouchpadExists() and MouseExists() being called.
pointer_device_observer_->CheckDevices();
}
} // namespace ash::settings
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