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authorGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
committerGravatar Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com> 2022-06-22 23:21:48 -0700
commit729d445b6885f69dd2c6355f38707bd42851c791 (patch)
treef87a7c408929ea3f57bbb7ace380cf869da83c0e /src/bun.js/bindings/webcore/ActiveDOMObject.cpp
parent25f820c6bf1d8ec6d444ef579cc036b8c0607b75 (diff)
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+// /*
+// * Copyright (C) 2008 Apple Inc. 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 APPLE INC. ``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 APPLE INC. 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 "config.h"
+// #include "ActiveDOMObject.h"
+
+// #include "Document.h"
+// #include "Event.h"
+// #include "EventLoop.h"
+// #include "ScriptExecutionContext.h"
+
+// namespace WebCore {
+
+// static inline ScriptExecutionContext* suitableScriptExecutionContext(ScriptExecutionContext* scriptExecutionContext)
+// {
+// // For detached documents, make sure we observe their context document instead.
+// // return is<Document>(scriptExecutionContext) ? &downcast<Document>(*scriptExecutionContext).contextDocument() : scriptExecutionContext;
+// return scriptExecutionContext;
+// }
+
+// inline ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* context, CheckedScriptExecutionContextType)
+// : ContextDestructionObserver(context)
+// {
+// // ASSERT(!is<Document>(context) || &downcast<Document>(context)->contextDocument() == downcast<Document>(context));
+// if (!context)
+// return;
+
+// ASSERT(context->isContextThread());
+// context->didCreateActiveDOMObject(*this);
+// }
+
+// ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* scriptExecutionContext)
+// : ActiveDOMObject(suitableScriptExecutionContext(scriptExecutionContext), CheckedScriptExecutionContext)
+// {
+// }
+
+// // ActiveDOMObject::ActiveDOMObject(Document* document)
+// // : ActiveDOMObject(document ? &document->contextDocument() : nullptr, CheckedScriptExecutionContext)
+// // {
+// // }
+
+// // ActiveDOMObject::ActiveDOMObject(Document& document)
+// // : ActiveDOMObject(&document.contextDocument(), CheckedScriptExecutionContext)
+// // {
+// // }
+
+// ActiveDOMObject::~ActiveDOMObject()
+// {
+// ASSERT(canCurrentThreadAccessThreadLocalData(m_creationThread));
+
+// // ActiveDOMObject may be inherited by a sub-class whose life-cycle
+// // exceeds that of the associated ScriptExecutionContext. In those cases,
+// // m_scriptExecutionContext would/should have been nullified by
+// // ContextDestructionObserver::contextDestroyed() (which we implement /
+// // inherit). Hence, we should ensure that this is not 0 before use it
+// // here.
+// auto* context = scriptExecutionContext();
+// if (!context)
+// return;
+
+// ASSERT(m_suspendIfNeededWasCalled);
+// ASSERT(context->isContextThread());
+// context->willDestroyActiveDOMObject(*this);
+// }
+
+// void ActiveDOMObject::suspendIfNeeded()
+// {
+// #if ASSERT_ENABLED
+// ASSERT(!m_suspendIfNeededWasCalled);
+// m_suspendIfNeededWasCalled = true;
+// #endif
+// if (auto* context = scriptExecutionContext())
+// context->suspendActiveDOMObjectIfNeeded(*this);
+// }
+
+// #if ASSERT_ENABLED
+
+// void ActiveDOMObject::assertSuspendIfNeededWasCalled() const
+// {
+// if (!m_suspendIfNeededWasCalled)
+// WTFLogAlways("Failed to call suspendIfNeeded() for %s", activeDOMObjectName());
+// ASSERT(m_suspendIfNeededWasCalled);
+// }
+
+// #endif // ASSERT_ENABLED
+
+// void ActiveDOMObject::suspend(ReasonForSuspension)
+// {
+// }
+
+// void ActiveDOMObject::resume()
+// {
+// }
+
+// void ActiveDOMObject::stop()
+// {
+// }
+
+// bool ActiveDOMObject::isContextStopped() const
+// {
+// return !scriptExecutionContext() || scriptExecutionContext()->activeDOMObjectsAreStopped();
+// }
+
+// bool ActiveDOMObject::isAllowedToRunScript() const
+// {
+// return scriptExecutionContext() && !scriptExecutionContext()->activeDOMObjectsAreStopped() && !scriptExecutionContext()->activeDOMObjectsAreSuspended();
+// }
+
+// void ActiveDOMObject::queueTaskInEventLoop(TaskSource source, Function<void()>&& function)
+// {
+// auto* context = scriptExecutionContext();
+// if (!context)
+// return;
+// context->eventLoop().queueTask(source, WTFMove(function));
+// }
+
+// class ActiveDOMObjectEventDispatchTask : public EventLoopTask {
+// public:
+// ActiveDOMObjectEventDispatchTask(TaskSource source, EventLoopTaskGroup& group, ActiveDOMObject& object, Function<void()>&& dispatchEvent)
+// : EventLoopTask(source, group)
+// , m_object(object)
+// , m_dispatchEvent(WTFMove(dispatchEvent))
+// {
+// ++m_object.m_pendingActivityInstanceCount;
+// }
+
+// ~ActiveDOMObjectEventDispatchTask()
+// {
+// ASSERT(m_object.m_pendingActivityInstanceCount);
+// --m_object.m_pendingActivityInstanceCount;
+// }
+
+// void execute() final
+// {
+// // If this task executes after the script execution context has been stopped, don't
+// // actually dispatch the event.
+// if (m_object.isAllowedToRunScript())
+// m_dispatchEvent();
+// }
+
+// private:
+// ActiveDOMObject& m_object;
+// Function<void()> m_dispatchEvent;
+// };
+
+// void ActiveDOMObject::queueTaskToDispatchEventInternal(EventTarget& target, TaskSource source, Ref<Event>&& event)
+// {
+// ASSERT(!event->target() || &target == event->target());
+// auto* context = scriptExecutionContext();
+// if (!context)
+// return;
+// auto& eventLoopTaskGroup = context->eventLoop();
+// auto task = makeUnique<ActiveDOMObjectEventDispatchTask>(source, eventLoopTaskGroup, *this, [target = Ref { target }, event = WTFMove(event)] {
+// target->dispatchEvent(event);
+// });
+// eventLoopTaskGroup.queueTask(WTFMove(task));
+// }
+
+// void ActiveDOMObject::queueCancellableTaskToDispatchEventInternal(EventTarget& target, TaskSource source, TaskCancellationGroup& cancellationGroup, Ref<Event>&& event)
+// {
+// ASSERT(!event->target() || &target == event->target());
+// auto* context = scriptExecutionContext();
+// if (!context)
+// return;
+// auto& eventLoopTaskGroup = context->eventLoop();
+// auto task = makeUnique<ActiveDOMObjectEventDispatchTask>(source, eventLoopTaskGroup, *this, CancellableTask(cancellationGroup, [target = Ref { target }, event = WTFMove(event)] {
+// target->dispatchEvent(event);
+// }));
+// eventLoopTaskGroup.queueTask(WTFMove(task));
+// }
+
+// } // namespace WebCore