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serenity/Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
Andreas Kling 18c54d8d40 LibJS: Make Cell::initialize() return void
Stop worrying about tiny OOMs.

Work towards #20405
2023-08-08 07:39:11 +02:00

59 lines
2 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)
: MouseEvent(realm, event_name, event_init)
, 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"));
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<WheelEvent>> WheelEvent::create(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& event_init)
{
return MUST_OR_THROW_OOM(realm.heap().allocate<WheelEvent>(realm, realm, event_name, event_init));
}
WebIDL::ExceptionOr<JS::NonnullGCPtr<WheelEvent>> WheelEvent::create_from_platform_event(JS::Realm& realm, FlyString const& event_name, CSSPixels offset_x, CSSPixels offset_y, CSSPixels client_x, CSSPixels client_y, double delta_x, double delta_y, unsigned buttons, unsigned button)
{
WheelEventInit event_init {};
event_init.offset_x = offset_x.to_double();
event_init.offset_y = offset_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);
}
void WheelEvent::set_event_characteristics()
{
set_bubbles(true);
set_cancelable(true);
set_composed(true);
}
}