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			55 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			55 lines
		
	
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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|  * All rights reserved.
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|  *
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|  * Redistribution and use in source and binary forms, with or without
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|  * modification, are permitted provided that the following conditions are met:
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|  *
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|  * 1. Redistributions of source code must retain the above copyright notice, this
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|  *    list of conditions and the following disclaimer.
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|  *
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|  * 2. Redistributions in binary form must reproduce the above copyright notice,
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|  *    this list of conditions and the following disclaimer in the documentation
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|  *    and/or other materials provided with the distribution.
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|  *
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|  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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|  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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|  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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|  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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|  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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|  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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|  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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|  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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|  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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|  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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|  */
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| 
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| #include <LibJS/Runtime/Function.h>
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| #include <LibWeb/Bindings/EventTargetWrapper.h>
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| #include <LibWeb/Bindings/EventTargetWrapperFactory.h>
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| #include <LibWeb/Bindings/ScriptExecutionContext.h>
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| #include <LibWeb/DOM/Event.h>
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| #include <LibWeb/DOM/EventDispatcher.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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| void EventDispatcher::dispatch(EventTarget& target, NonnullRefPtr<Event> event)
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| {
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|     auto listeners = target.listeners();
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|     for (auto& listener : listeners) {
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|         if (listener.event_name != event->type())
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|             continue;
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|         auto& function = listener.listener->function();
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|         auto& global_object = function.global_object();
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|         auto* this_value = Bindings::wrap(global_object, target);
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| 
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|         auto& vm = global_object.vm();
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|         (void)vm.call(function, this_value, Bindings::wrap(global_object, target));
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|         if (vm.exception())
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|             vm.clear_exception();
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|     }
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| }
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| 
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| }
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