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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/EventTarget.h>
namespace Web::DOM {
class Event
: public RefCounted<Event>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::EventWrapper;
enum Phase : u16 {
None = 0,
CapturingPhase = 1,
AtTarget = 2,
BubblingPhase = 3,
};
using TouchTargetList = Vector<RefPtr<EventTarget>>;
struct PathEntry {
RefPtr<EventTarget> invocation_target;
bool invocation_target_in_shadow_tree { false };
RefPtr<EventTarget> shadow_adjusted_target;
RefPtr<EventTarget> related_target;
TouchTargetList touch_target_list;
bool root_of_closed_tree { false };
bool slot_in_closed_tree { false };
size_t index;
};
using Path = Vector<PathEntry>;
static NonnullRefPtr<Event> create(const FlyString& event_name)
{
return adopt_ref(*new Event(event_name));
}
static NonnullRefPtr<Event> create_with_global_object(Bindings::WindowObject&, const FlyString& event_name)
{
return Event::create(event_name);
}
virtual ~Event() { }
const FlyString& type() const { return m_type; }
void set_type(const StringView& type) { m_type = type; }
RefPtr<EventTarget> target() const { return m_target; }
void set_target(EventTarget* target) { m_target = target; }
// NOTE: This is intended for the JS bindings.
RefPtr<EventTarget> src_target() const { return target(); }
RefPtr<EventTarget> related_target() const { return m_related_target; }
void set_related_target(EventTarget* related_target) { m_related_target = related_target; }
bool should_stop_propagation() const { return m_stop_propagation; }
void set_stop_propagation(bool stop_propagation) { m_stop_propagation = stop_propagation; }
bool should_stop_immediate_propagation() const { return m_stop_immediate_propagation; }
void set_stop_immediate_propagation(bool stop_immediate_propagation) { m_stop_immediate_propagation = stop_immediate_propagation; }
bool cancelled() const { return m_cancelled; }
void set_cancelled(bool cancelled) { m_cancelled = cancelled; }
bool in_passive_listener() const { return m_in_passive_listener; }
void set_in_passive_listener(bool in_passive_listener) { m_in_passive_listener = in_passive_listener; }
bool composed() const { return m_composed; }
void set_composed(bool composed) { m_composed = composed; }
bool initialized() const { return m_initialized; }
void set_initialized(bool initialized) { m_initialized = initialized; }
bool dispatched() const { return m_dispatch; }
void set_dispatched(bool dispatched) { m_dispatch = dispatched; }
void prevent_default() { set_cancelled_flag(); }
bool default_prevented() const { return cancelled(); }
u16 event_phase() const { return m_phase; }
void set_phase(Phase phase) { m_phase = phase; }
RefPtr<EventTarget> current_target() const { return m_current_target; }
void set_current_target(EventTarget* current_target) { m_current_target = current_target; }
bool return_value() const { return !m_cancelled; }
void set_return_value(bool return_value)
{
if (!return_value)
set_cancelled_flag();
}
void append_to_path(EventTarget&, RefPtr<EventTarget>, RefPtr<EventTarget>, TouchTargetList&, bool);
Path& path() { return m_path; }
const Path& path() const { return m_path; }
void clear_path() { m_path.clear(); }
void set_touch_target_list(TouchTargetList& touch_target_list) { m_touch_target_list = touch_target_list; }
TouchTargetList& touch_target_list() { return m_touch_target_list; };
void clear_touch_target_list() { m_touch_target_list.clear(); }
bool bubbles() const { return m_bubbles; }
void set_bubbles(bool bubbles) { m_bubbles = bubbles; }
bool cancelable() const { return m_cancelable; }
void set_cancelable(bool cancelable) { m_cancelable = cancelable; }
bool is_trusted() const { return m_is_trusted; }
void set_is_trusted(bool is_trusted) { m_is_trusted = is_trusted; }
void stop_propagation() { m_stop_propagation = true; }
bool cancel_bubble() const { return m_stop_propagation; }
void set_cancel_bubble(bool cancel_bubble)
{
if (cancel_bubble)
m_stop_propagation = true;
}
void stop_immediate_propagation()
{
m_stop_propagation = true;
m_stop_immediate_propagation = true;
}
void init_event(const String&, bool, bool);
protected:
explicit Event(const FlyString& type)
: m_type(type)
, m_initialized(true)
{
}
void initialize(const String&, bool, bool);
private:
FlyString m_type;
RefPtr<EventTarget> m_target;
RefPtr<EventTarget> m_related_target;
RefPtr<EventTarget> m_current_target;
Phase m_phase { None };
bool m_bubbles { false };
bool m_cancelable { false };
bool m_stop_propagation { false };
bool m_stop_immediate_propagation { false };
bool m_cancelled { false };
bool m_in_passive_listener { false };
bool m_composed { false };
bool m_initialized { false };
bool m_dispatch { false };
bool m_is_trusted { true };
Path m_path;
TouchTargetList m_touch_target_list;
void set_cancelled_flag();
};
}
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