1 files changed, 200 insertions, 0 deletions
diff --git a/src/javascript/jsc/bindings/webcore/Event.cpp b/src/javascript/jsc/bindings/webcore/Event.cpp
new file mode 100644
index 000000000..f488f0106
--- /dev/null
+++ b/src/javascript/jsc/bindings/webcore/Event.cpp
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+/*
+ * Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
+ * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
+ * Copyright (C) 2003-2017 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "Event.h"
+
+// #include "DOMWindow.h"
+// #include "Document.h"
+#include "EventNames.h"
+#include "EventPath.h"
+#include "EventTarget.h"
+// #include "InspectorInstrumentation.h"
+// #include "Performance.h"
+// #include "UserGestureIndicator.h"
+// #include "WorkerGlobalScope.h"
+#include <wtf/HexNumber.h>
+// #include <wtf/IsoMallocInlines.h>
+#include <wtf/text/StringBuilder.h>
+#include <wtf/text/TextStream.h>
+
+namespace WebCore {
+
+WTF_MAKE_ISO_ALLOCATED_IMPL(Event);
+
+ALWAYS_INLINE Event::Event(MonotonicTime createTime, const AtomString& type, IsTrusted isTrusted, CanBubble canBubble, IsCancelable cancelable, IsComposed composed)
+    : m_isInitialized { !type.isNull() }
+    , m_canBubble { canBubble == CanBubble::Yes }
+    , m_cancelable { cancelable == IsCancelable::Yes }
+    , m_composed { composed == IsComposed::Yes }
+    , m_propagationStopped { false }
+    , m_immediatePropagationStopped { false }
+    , m_wasCanceled { false }
+    , m_defaultHandled { false }
+    , m_isDefaultEventHandlerIgnored { false }
+    , m_isTrusted { isTrusted == IsTrusted::Yes }
+    , m_isExecutingPassiveEventListener { false }
+    , m_currentTargetIsInShadowTree { false }
+    , m_eventPhase { NONE }
+    , m_type { type }
+    , m_createTime { createTime }
+{
+}
+
+Event::Event(IsTrusted isTrusted)
+    : Event { MonotonicTime::now(), {}, isTrusted, CanBubble::No, IsCancelable::No, IsComposed::No }
+{
+}
+
+Event::Event(const AtomString& eventType, CanBubble canBubble, IsCancelable isCancelable, IsComposed isComposed)
+    : Event { MonotonicTime::now(), eventType, IsTrusted::Yes, canBubble, isCancelable, isComposed }
+{
+    ASSERT(!eventType.isNull());
+}
+
+Event::Event(const AtomString& eventType, CanBubble canBubble, IsCancelable isCancelable, IsComposed isComposed, MonotonicTime timestamp, IsTrusted isTrusted)
+    : Event { timestamp, eventType, isTrusted, canBubble, isCancelable, isComposed }
+{
+    ASSERT(!eventType.isNull());
+}
+
+Event::Event(const AtomString& eventType, const EventInit& initializer, IsTrusted isTrusted)
+    : Event { MonotonicTime::now(), eventType, isTrusted,
+        initializer.bubbles ? CanBubble::Yes : CanBubble::No,
+        initializer.cancelable ? IsCancelable::Yes : IsCancelable::No,
+        initializer.composed ? IsComposed::Yes : IsComposed::No }
+{
+    ASSERT(!eventType.isNull());
+}
+
+Event::~Event() = default;
+
+Ref<Event> Event::create(const AtomString& type, CanBubble canBubble, IsCancelable isCancelable, IsComposed isComposed)
+{
+    return adoptRef(*new Event(type, canBubble, isCancelable, isComposed));
+}
+
+Ref<Event> Event::createForBindings()
+{
+    return adoptRef(*new Event);
+}
+
+Ref<Event> Event::create(const AtomString& type, const EventInit& initializer, IsTrusted isTrusted)
+{
+    return adoptRef(*new Event(type, initializer, isTrusted));
+}
+
+void Event::initEvent(const AtomString& eventTypeArg, bool canBubbleArg, bool cancelableArg)
+{
+    if (isBeingDispatched())
+        return;
+
+    m_isInitialized = true;
+    m_propagationStopped = false;
+    m_immediatePropagationStopped = false;
+    m_wasCanceled = false;
+    m_isTrusted = false;
+    m_target = nullptr;
+    m_type = eventTypeArg;
+    m_canBubble = canBubbleArg;
+    m_cancelable = cancelableArg;
+
+    m_underlyingEvent = nullptr;
+}
+
+void Event::setTarget(RefPtr<EventTarget>&& target)
+{
+    if (m_target == target)
+        return;
+
+    m_target = WTFMove(target);
+    if (m_target)
+        receivedTarget();
+}
+
+void Event::setCurrentTarget(EventTarget* currentTarget, std::optional<bool> isInShadowTree)
+{
+    m_currentTarget = currentTarget;
+    m_currentTargetIsInShadowTree = false; // m_currentTargetIsInShadowTree = isInShadowTree ? *isInShadowTree : (is<Node>(currentTarget) && downcast<Node>(*currentTarget).isInShadowTree());
+}
+
+Vector<EventTarget*> Event::composedPath() const
+{
+    // if (!m_eventPath)
+    return Vector<EventTarget*>();
+    // return m_eventPath->computePathUnclosedToTarget(*m_currentTarget);
+}
+
+void Event::setUnderlyingEvent(Event* underlyingEvent)
+{
+    // Prohibit creation of a cycle by doing nothing if a cycle would be created.
+    for (Event* event = underlyingEvent; event; event = event->underlyingEvent()) {
+        if (event == this)
+            return;
+    }
+    m_underlyingEvent = underlyingEvent;
+}
+
+DOMHighResTimeStamp Event::timeStampForBindings(ScriptExecutionContext& context) const
+{
+    // TODO:
+    return 0.0;
+    // Performance* performance = nullptr;
+    // if (is<WorkerGlobalScope>(context))
+    //     performance = &downcast<WorkerGlobalScope>(context).performance();
+    // else if (auto* window = downcast<Document>(context).domWindow())
+    //     performance = &window->performance();
+
+    // if (!performance)
+    //     return 0;
+
+    // return std::max(performance->relativeTimeFromTimeOriginInReducedResolution(m_createTime), 0.);
+}
+
+void Event::resetBeforeDispatch()
+{
+    m_defaultHandled = false;
+}
+
+void Event::resetAfterDispatch()
+{
+    m_eventPath = nullptr;
+    setCurrentTarget(nullptr);
+    m_eventPhase = NONE;
+    m_propagationStopped = false;
+    m_immediatePropagationStopped = false;
+
+    // InspectorInstrumentation::eventDidResetAfterDispatch(*this);
+}
+
+String Event::debugDescription() const
+{
+    return makeString(type(), " phase ", eventPhase(), bubbles() ? " bubbles " : " ", cancelable() ? "cancelable " : " ", "0x"_s, hex(reinterpret_cast<uintptr_t>(this), Lowercase));
+}
+
+TextStream& operator<<(TextStream& ts, const Event& event)
+{
+    ts << event.debugDescription();
+    return ts;
+}
+
+} // namespace WebCore