mirror of
https://github.com/RGBCube/serenity
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b75b7f0c0d
Callers that are already in a fallible context will now TRY to allocate cells. Callers in infallible contexts get a FIXME.
87 lines
2.9 KiB
C++
87 lines
2.9 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/Event.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/HTML/EventNames.h>
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#include <LibWeb/UIEvents/EventNames.h>
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#include <LibWeb/UIEvents/MouseEvent.h>
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namespace Web::UIEvents {
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MouseEvent::MouseEvent(JS::Realm& realm, DeprecatedFlyString const& event_name, MouseEventInit const& event_init)
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: UIEvent(realm, event_name, event_init)
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, m_offset_x(event_init.offset_x)
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, m_offset_y(event_init.offset_y)
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, m_client_x(event_init.client_x)
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, m_client_y(event_init.client_y)
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, m_page_x(event_init.page_x)
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, m_page_y(event_init.page_y)
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, m_button(event_init.button)
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, m_buttons(event_init.buttons)
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{
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set_event_characteristics();
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}
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MouseEvent::~MouseEvent() = default;
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JS::ThrowCompletionOr<void> MouseEvent::initialize(JS::Realm& realm)
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{
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MUST_OR_THROW_OOM(Base::initialize(realm));
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set_prototype(&Bindings::ensure_web_prototype<Bindings::MouseEventPrototype>(realm, "MouseEvent"));
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return {};
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}
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// https://www.w3.org/TR/uievents/#dom-mouseevent-button
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static i16 determine_button(unsigned mouse_button)
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{
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switch (mouse_button) {
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case GUI::MouseButton::Primary:
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return 0;
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case GUI::MouseButton::Middle:
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return 1;
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case GUI::MouseButton::Secondary:
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return 2;
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case GUI::MouseButton::Backward:
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return 3;
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case GUI::MouseButton::Forward:
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return 4;
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default:
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VERIFY_NOT_REACHED();
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}
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}
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MouseEvent* MouseEvent::create(JS::Realm& realm, DeprecatedFlyString const& event_name, MouseEventInit const& event_init)
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{
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return realm.heap().allocate<MouseEvent>(realm, realm, event_name, event_init).release_allocated_value_but_fixme_should_propagate_errors();
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}
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MouseEvent* MouseEvent::create_from_platform_event(JS::Realm& realm, DeprecatedFlyString const& event_name, CSSPixelPoint offset, CSSPixelPoint client_offset, CSSPixelPoint page_offset, unsigned buttons, unsigned mouse_button)
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{
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MouseEventInit event_init {};
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event_init.offset_x = static_cast<double>(offset.x().value());
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event_init.offset_y = static_cast<double>(offset.y().value());
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event_init.client_x = static_cast<double>(client_offset.x().value());
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event_init.client_y = static_cast<double>(client_offset.y().value());
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event_init.page_x = static_cast<double>(page_offset.x().value());
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event_init.page_y = static_cast<double>(page_offset.y().value());
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event_init.button = determine_button(mouse_button);
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event_init.buttons = buttons;
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return MouseEvent::create(realm, event_name, event_init);
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}
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void MouseEvent::set_event_characteristics()
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{
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if (type().is_one_of(EventNames::mousedown, EventNames::mousemove, EventNames::mouseout, EventNames::mouseover, EventNames::mouseup, HTML::EventNames::click)) {
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set_bubbles(true);
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set_cancelable(true);
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set_composed(true);
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}
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}
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}
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