ladybird/Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
2023-09-15 22:12:56 +02:00

59 lines
2.3 KiB
C++

/*
* Copyright (c) 2022, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/UIEvents/EventNames.h>
#include <LibWeb/UIEvents/WheelEvent.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
namespace Web::UIEvents {
WheelEvent::WheelEvent(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y, unsigned modifiers)
: MouseEvent(realm, event_name, event_init, page_x, page_y, offset_x, offset_y, modifiers)
, m_delta_x(event_init.delta_x)
, m_delta_y(event_init.delta_y)
, m_delta_mode(event_init.delta_mode)
{
set_event_characteristics();
}
WheelEvent::~WheelEvent() = default;
void WheelEvent::initialize(JS::Realm& realm)
{
Base::initialize(realm);
set_prototype(&Bindings::ensure_web_prototype<Bindings::WheelEventPrototype>(realm, "WheelEvent"));
}
JS::NonnullGCPtr<WheelEvent> WheelEvent::create(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y, unsigned modifiers)
{
return realm.heap().allocate<WheelEvent>(realm, realm, event_name, event_init, page_x, page_y, offset_x, offset_y, modifiers);
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<WheelEvent>> WheelEvent::create_from_platform_event(JS::Realm& realm, FlyString const& event_name, CSSPixelPoint screen, CSSPixelPoint page, CSSPixelPoint client, CSSPixelPoint offset, double delta_x, double delta_y, unsigned button, unsigned buttons, unsigned modifiers)
{
WheelEventInit event_init {};
event_init.screen_x = screen.x().to_double();
event_init.screen_y = screen.y().to_double();
event_init.client_x = client.x().to_double();
event_init.client_y = client.y().to_double();
event_init.button = button;
event_init.buttons = buttons;
event_init.delta_x = delta_x;
event_init.delta_y = delta_y;
event_init.delta_mode = WheelDeltaMode::DOM_DELTA_PIXEL;
return WheelEvent::create(realm, event_name, event_init, page.x().to_double(), page.y().to_double(), offset.x().to_double(), offset.y().to_double(), modifiers);
}
void WheelEvent::set_event_characteristics()
{
set_bubbles(true);
set_cancelable(true);
set_composed(true);
}
}