111 lines
3.9 KiB
C++
111 lines
3.9 KiB
C++
/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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* Copyright (C) 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "ErrorEvent.h"
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#include "DOMWrapperWorld.h"
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#include "EventNames.h"
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#include <JavaScriptCore/HeapInlines.h>
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#include <JavaScriptCore/StrongInlines.h>
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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using namespace JSC;
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WTF_MAKE_ISO_ALLOCATED_IMPL(ErrorEvent);
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ErrorEvent::ErrorEvent(const AtomString& type, const Init& initializer, IsTrusted isTrusted)
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: Event(type, initializer, isTrusted)
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, m_message(initializer.message)
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, m_fileName(initializer.filename)
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, m_lineNumber(initializer.lineno)
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, m_columnNumber(initializer.colno)
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, m_error(initializer.error)
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{
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}
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ErrorEvent::ErrorEvent(const AtomString& type, const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
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: Event(type, CanBubble::No, IsCancelable::Yes)
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, m_message(message)
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, m_fileName(fileName)
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, m_lineNumber(lineNumber)
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, m_columnNumber(columnNumber)
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, m_error(error.get())
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{
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}
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ErrorEvent::ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber, JSC::Strong<JSC::Unknown> error)
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: ErrorEvent(eventNames().errorEvent, message, fileName, lineNumber, columnNumber, error)
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{
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}
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ErrorEvent::~ErrorEvent() = default;
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EventInterface ErrorEvent::eventInterface() const
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{
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return ErrorEventInterfaceType;
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}
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JSValue ErrorEvent::error(JSGlobalObject& globalObject)
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{
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JSValue error = m_error;
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if (!error)
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return jsNull();
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if (!isWorldCompatible(globalObject, error)) {
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// We need to make sure ErrorEvents do not leak their error property across isolated DOM worlds.
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// Ideally, we would check that the worlds have different privileges but that's not possible yet.
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auto serializedError = trySerializeError(globalObject);
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if (!serializedError)
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return jsNull();
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return serializedError->deserialize(globalObject, &globalObject);
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}
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return error;
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}
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RefPtr<SerializedScriptValue> ErrorEvent::trySerializeError(JSGlobalObject& exec)
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{
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if (!m_serializedError && !m_triedToSerialize) {
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m_serializedError = SerializedScriptValue::create(exec, m_error, SerializationErrorMode::NonThrowing);
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m_triedToSerialize = true;
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}
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return m_serializedError;
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}
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bool ErrorEvent::isErrorEvent() const
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{
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return true;
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}
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} // namespace WebCore
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