mirror of
				https://github.com/RGBCube/serenity
				synced 2025-10-27 14:02:07 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			70 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			70 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
 | |
|  * Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
 | |
|  *
 | |
|  * SPDX-License-Identifier: BSD-2-Clause
 | |
|  */
 | |
| 
 | |
| #pragma once
 | |
| 
 | |
| #include <AK/RefCounted.h>
 | |
| #include <AK/Weakable.h>
 | |
| #include <LibWeb/DOM/EventTarget.h>
 | |
| #include <LibWeb/Forward.h>
 | |
| 
 | |
| namespace Web::HTML {
 | |
| 
 | |
| #define ENUMERATE_MESSAGE_PORT_EVENT_HANDLERS(E) \
 | |
|     E(onmessage, HTML::EventNames::message)      \
 | |
|     E(onmessageerror, HTML::EventNames::messageerror)
 | |
| 
 | |
| // https://html.spec.whatwg.org/multipage/web-messaging.html#structuredserializeoptions
 | |
| struct StructuredSerializeOptions {
 | |
|     Vector<JS::Handle<JS::Object>> transfer;
 | |
| };
 | |
| 
 | |
| // https://html.spec.whatwg.org/multipage/web-messaging.html#message-ports
 | |
| class MessagePort final : public DOM::EventTarget {
 | |
|     WEB_PLATFORM_OBJECT(MessagePort, DOM::EventTarget);
 | |
| 
 | |
| public:
 | |
|     static WebIDL::ExceptionOr<JS::NonnullGCPtr<MessagePort>> create(JS::Realm&);
 | |
| 
 | |
|     virtual ~MessagePort() override;
 | |
| 
 | |
|     // https://html.spec.whatwg.org/multipage/web-messaging.html#entangle
 | |
|     void entangle_with(MessagePort&);
 | |
| 
 | |
|     // https://html.spec.whatwg.org/multipage/web-messaging.html#dom-messageport-postmessage
 | |
|     void post_message(JS::Value);
 | |
| 
 | |
|     void start();
 | |
| 
 | |
|     void close();
 | |
| 
 | |
| #undef __ENUMERATE
 | |
| #define __ENUMERATE(attribute_name, event_name)       \
 | |
|     void set_##attribute_name(WebIDL::CallbackType*); \
 | |
|     WebIDL::CallbackType* attribute_name();
 | |
|     ENUMERATE_MESSAGE_PORT_EVENT_HANDLERS(__ENUMERATE)
 | |
| #undef __ENUMERATE
 | |
| 
 | |
| private:
 | |
|     explicit MessagePort(JS::Realm&);
 | |
| 
 | |
|     virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
 | |
|     virtual void visit_edges(Cell::Visitor&) override;
 | |
| 
 | |
|     bool is_entangled() const { return m_remote_port; }
 | |
|     void disentangle();
 | |
| 
 | |
|     // The HTML spec implies(!) that this is MessagePort.[[RemotePort]]
 | |
|     JS::GCPtr<MessagePort> m_remote_port;
 | |
| 
 | |
|     // https://html.spec.whatwg.org/multipage/web-messaging.html#has-been-shipped
 | |
|     bool m_has_been_shipped { false };
 | |
| 
 | |
|     // This is TransferableObject.[[Detached]]
 | |
|     bool m_detached { false };
 | |
| };
 | |
| 
 | |
| }
 | 
