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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2013-2018 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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 "JSErrorHandler.h"
// #include "Document.h"
#include "ErrorEvent.h"
#include "Event.h"
#include "JSDOMConvertNumbers.h"
#include "JSDOMConvertStrings.h"
// #include "JSDOMWindow.h"
#include "JSEvent.h"
// #include "JSExecState.h"
// #include "JSExecStateInstrumentation.h"
#include <JavaScriptCore/JSLock.h>
#include <wtf/Ref.h>
namespace WebCore {
using namespace JSC;
inline JSErrorHandler::JSErrorHandler(JSObject& listener, JSObject& wrapper, bool isAttribute, DOMWrapperWorld& world)
: JSEventListener(&listener, &wrapper, isAttribute, CreatedFromMarkup::No, world)
{
}
Ref<JSErrorHandler> JSErrorHandler::create(JSC::JSObject& listener, JSC::JSObject& wrapper, bool isAttribute, DOMWrapperWorld& world)
{
return adoptRef(*new JSErrorHandler(listener, wrapper, isAttribute, world));
}
JSErrorHandler::~JSErrorHandler() = default;
void JSErrorHandler::handleEvent(ScriptExecutionContext& scriptExecutionContext, Event& event)
{
if (!is<ErrorEvent>(event))
return JSEventListener::handleEvent(scriptExecutionContext, event);
VM& vm = scriptExecutionContext.vm();
JSLockHolder lock(vm);
JSObject* jsFunction = this->ensureJSFunction(scriptExecutionContext);
if (!jsFunction)
return;
auto* globalObject = toJSDOMGlobalObject(scriptExecutionContext, isolatedWorld());
if (!globalObject)
return;
auto callData = getCallData(jsFunction);
if (callData.type != CallData::Type::None) {
Ref<JSErrorHandler> protectedThis(*this);
RefPtr<Event> savedEvent;
// auto* jsFunctionWindow = jsDynamicCast<JSDOMWindow*>( jsFunction->globalObject());
// if (jsFunctionWindow) {
// savedEvent = jsFunctionWindow->currentEvent();
// // window.event should not be set when the target is inside a shadow tree, as per the DOM specification.
// if (!event.currentTargetIsInShadowTree())
// jsFunctionWindow->setCurrentEvent(&event);
// }
auto& errorEvent = downcast<ErrorEvent>(event);
MarkedArgumentBuffer args;
args.append(toJS<IDLDOMString>(*globalObject, errorEvent.message()));
args.append(toJS<IDLUSVString>(*globalObject, errorEvent.filename()));
args.append(toJS<IDLUnsignedLong>(errorEvent.lineno()));
args.append(toJS<IDLUnsignedLong>(errorEvent.colno()));
args.append(errorEvent.error(*globalObject));
ASSERT(!args.hasOverflowed());
VM& vm = globalObject->vm();
// JSExecState::instrumentFunction(&scriptExecutionContext, callData);
NakedPtr<JSC::Exception> exception;
JSValue returnValue = JSC::profiledCall(globalObject, JSC::ProfilingReason::Other, jsFunction, callData, globalObject, args, exception);
// InspectorInstrumentation::didCallFunction(&scriptExecutionContext);
// if (jsFunctionWindow)
// jsFunctionWindow->setCurrentEvent(savedEvent.get());
if (exception)
reportException(globalObject, exception);
else {
if (returnValue.isTrue())
event.preventDefault();
}
}
}
} // namespace WebCore
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