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		1682f0b760
		
	
	
	
	
		
			
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			56 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, 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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| 
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| #include <LibWeb/Bindings/ScriptExecutionContext.h>
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| #include <LibWeb/DOM/EventListener.h>
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| #include <LibWeb/DOM/EventTarget.h>
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| 
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| namespace Web::DOM {
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| 
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| EventTarget::EventTarget(Bindings::ScriptExecutionContext& script_execution_context)
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|     : m_script_execution_context(&script_execution_context)
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| {
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| }
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| 
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| EventTarget::~EventTarget()
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| {
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| }
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| 
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| // https://dom.spec.whatwg.org/#add-an-event-listener
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| void EventTarget::add_event_listener(const FlyString& event_name, RefPtr<EventListener> listener)
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| {
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|     if (listener.is_null())
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|         return;
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|     auto existing_listener = m_listeners.first_matching([&](auto& entry) {
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|         return entry.listener->type() == event_name && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
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|     });
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|     if (existing_listener.has_value())
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|         return;
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|     listener->set_type(event_name);
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|     m_listeners.append({ event_name, listener.release_nonnull() });
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| }
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| 
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| // https://dom.spec.whatwg.org/#remove-an-event-listener
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| void EventTarget::remove_event_listener(const FlyString& event_name, RefPtr<EventListener> listener)
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| {
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|     if (listener.is_null())
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|         return;
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|     m_listeners.remove_first_matching([&](auto& entry) {
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|         auto matches = entry.event_name == event_name && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
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|         if (matches)
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|             entry.listener->set_removed(true);
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|         return matches;
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|     });
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| }
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| 
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| void EventTarget::remove_from_event_listener_list(NonnullRefPtr<EventListener> listener)
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| {
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|     m_listeners.remove_first_matching([&](auto& entry) {
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|         return entry.listener->type() == listener->type() && &entry.listener->function() == &listener->function() && entry.listener->capture() == listener->capture();
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|     });
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| }
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| 
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| }
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