1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibWeb/Bindings/ScriptExecutionContext.h>
#include <LibWeb/DOM/EventListener.h>
#include <LibWeb/DOM/EventTarget.h>
namespace Web::DOM {
EventTarget::EventTarget(Bindings::ScriptExecutionContext& script_execution_context)
: m_script_execution_context(&script_execution_context)
{
}
EventTarget::~EventTarget()
{
}
void EventTarget::add_event_listener(const FlyString& event_name, NonnullRefPtr<EventListener> listener)
{
auto existing_listener = m_listeners.first_matching([&](auto& entry) {
return entry.listener->type() == event_name && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
});
if (existing_listener.has_value())
return;
listener->set_type(event_name);
m_listeners.append({ event_name, move(listener) });
}
void EventTarget::remove_event_listener(const FlyString& event_name, NonnullRefPtr<EventListener> listener)
{
m_listeners.remove_first_matching([&](auto& entry) {
auto matches = entry.event_name == event_name && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
if (matches)
entry.listener->set_removed(true);
return matches;
});
}
void EventTarget::remove_from_event_listener_list(NonnullRefPtr<EventListener> listener)
{
m_listeners.remove_first_matching([&](auto& entry) {
return entry.listener->type() == listener->type() && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
});
}
}
|