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LibWeb+WebWorker: Implement a first cut of post_message for Workers

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This implementation completely ignores MessagePorts, and manually plumbs
data through LocalSockets.
This commit is contained in:
Andrew Kaster 2023-11-22 09:57:22 -07:00 • committed by Andreas Kling
parent 05ec93e276
commit 1602663b9e
15 changed files with 225 additions and 29 deletions
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30
Userland/Libraries/LibWeb/HTML/WorkerGlobalScope.h
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@ -9,6 +9,7 @@
#include <AK/Optional.h>
#include <AK/RefCounted.h>
#include <AK/URL.h>
#include <LibCore/Socket.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/WindowOrWorkerGlobalScope.h>
@ -16,13 +17,16 @@
#include <LibWeb/HTML/WorkerNavigator.h>
#include <LibWeb/WebIDL/ExceptionOr.h>
#define ENUMERATE_WORKER_GLOBAL_SCOPE_EVENT_HANDLERS(E) \
E(onerror, HTML::EventNames::error) \
E(onlanguagechange, HTML::EventNames::languagechange) \
E(ononline, HTML::EventNames::online) \
E(onoffline, HTML::EventNames::offline) \
E(onrejectionhandled, HTML::EventNames::rejectionhandled) \
E(onunhandledrejection, HTML::EventNames::unhandledrejection)
// FIXME: message/messageerror belong on subclasses only
#define ENUMERATE_WORKER_GLOBAL_SCOPE_EVENT_HANDLERS(E) \
E(onerror, HTML::EventNames::error) \
E(onlanguagechange, HTML::EventNames::languagechange) \
E(ononline, HTML::EventNames::online) \
E(onoffline, HTML::EventNames::offline) \
E(onrejectionhandled, HTML::EventNames::rejectionhandled) \
E(onunhandledrejection, HTML::EventNames::unhandledrejection) \
E(onmessage, HTML::EventNames::message) \
E(onmessageerror, HTML::EventNames::messageerror)
namespace Web::HTML {
@ -69,6 +73,8 @@ public:
ENUMERATE_WORKER_GLOBAL_SCOPE_EVENT_HANDLERS(__ENUMERATE)
#undef __ENUMERATE
WebIDL::ExceptionOr<void> post_message(JS::Value message, JS::Value transfer);
// Non-IDL public methods
AK::URL const& url() const { return m_url.value(); }
@ -78,6 +84,8 @@ public:
// this is not problematic as it cannot be observed from script.
void set_location(JS::NonnullGCPtr<WorkerLocation> loc) { m_location = move(loc); }
void set_outside_port(NonnullOwnPtr<Core::BufferedLocalSocket> port);
void initialize_web_interfaces(Badge<WorkerEnvironmentSettingsObject>);
Web::Page* page() { return &m_page; }
@ -91,6 +99,14 @@ private:
JS::GCPtr<WorkerLocation> m_location;
JS::GCPtr<WorkerNavigator> m_navigator;
OwnPtr<Core::BufferedLocalSocket> m_outside_port;
enum class PortState : u8 {
Header,
Data,
Error,
} m_outside_port_state { PortState::Header };
size_t m_outside_port_incoming_message_size { 0 };
// FIXME: Add all these internal slots
// https://html.spec.whatwg.org/multipage/workers.html#concept-WorkerGlobalScope-owner-set