mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-05-10 05:02:54 +00:00
4d401bf796
This simplifies the ownership model between DOM/layout/paint nodes immensely by deferring to the garbage collector for figuring out what's live and what's not.
69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibWeb/HTML/BrowsingContext.h>
|
|
#include <LibWeb/Layout/Label.h>
|
|
#include <LibWeb/Layout/LabelableNode.h>
|
|
#include <LibWeb/Page/EventHandler.h>
|
|
#include <LibWeb/Painting/TextPaintable.h>
|
|
|
|
namespace Web::Painting {
|
|
|
|
JS::NonnullGCPtr<TextPaintable> TextPaintable::create(Layout::TextNode const& layout_node)
|
|
{
|
|
return layout_node.heap().allocate_without_realm<TextPaintable>(layout_node);
|
|
}
|
|
|
|
TextPaintable::TextPaintable(Layout::TextNode const& layout_node)
|
|
: Paintable(layout_node)
|
|
{
|
|
}
|
|
|
|
bool TextPaintable::wants_mouse_events() const
|
|
{
|
|
return layout_node().first_ancestor_of_type<Layout::Label>();
|
|
}
|
|
|
|
DOM::Node* TextPaintable::mouse_event_target() const
|
|
{
|
|
if (auto* label = layout_node().first_ancestor_of_type<Layout::Label>()) {
|
|
if (auto* control = const_cast<Layout::Label*>(label)->labeled_control())
|
|
return &control->dom_node();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
TextPaintable::DispatchEventOfSameName TextPaintable::handle_mousedown(Badge<EventHandler>, CSSPixelPoint position, unsigned button, unsigned)
|
|
{
|
|
auto* label = layout_node().first_ancestor_of_type<Layout::Label>();
|
|
if (!label)
|
|
return DispatchEventOfSameName::No;
|
|
const_cast<Layout::Label*>(label)->handle_mousedown_on_label({}, position, button);
|
|
const_cast<HTML::BrowsingContext&>(browsing_context()).event_handler().set_mouse_event_tracking_layout_node(&const_cast<Layout::TextNode&>(layout_node()));
|
|
return DispatchEventOfSameName::Yes;
|
|
}
|
|
|
|
TextPaintable::DispatchEventOfSameName TextPaintable::handle_mouseup(Badge<EventHandler>, CSSPixelPoint position, unsigned button, unsigned)
|
|
{
|
|
auto* label = layout_node().first_ancestor_of_type<Layout::Label>();
|
|
if (!label)
|
|
return DispatchEventOfSameName::No;
|
|
|
|
const_cast<Layout::Label*>(label)->handle_mouseup_on_label({}, position, button);
|
|
const_cast<HTML::BrowsingContext&>(browsing_context()).event_handler().set_mouse_event_tracking_layout_node(nullptr);
|
|
return DispatchEventOfSameName::Yes;
|
|
}
|
|
|
|
TextPaintable::DispatchEventOfSameName TextPaintable::handle_mousemove(Badge<EventHandler>, CSSPixelPoint position, unsigned button, unsigned)
|
|
{
|
|
auto* label = layout_node().first_ancestor_of_type<Layout::Label>();
|
|
if (!label)
|
|
return DispatchEventOfSameName::No;
|
|
const_cast<Layout::Label*>(label)->handle_mousemove_on_label({}, position, button);
|
|
return DispatchEventOfSameName::Yes;
|
|
}
|
|
|
|
}
|