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/*
* Copyright (C) 2007 Henry Mason (hmason@mac.com)
* Copyright (C) 2003, 2004, 2005, 2006, 2007, 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.
*
*/
#ifndef MessageEvent_h
#define MessageEvent_h
#include "Blob.h"
#include "DOMWindow.h"
#include "Event.h"
#include "MessagePort.h"
#include "SerializedScriptValue.h"
#include <bindings/ScriptValue.h>
#include <memory>
#include <runtime/ArrayBuffer.h>
namespace WebCore {
class EventTarget;
struct MessageEventInit : public EventInit {
Deprecated::ScriptValue data;
String origin;
String lastEventId;
RefPtr<EventTarget> source;
MessagePortArray ports;
};
class MessageEvent final : public Event {
public:
static Ref<MessageEvent> create(std::unique_ptr<MessagePortArray> ports, const Deprecated::ScriptValue& data = Deprecated::ScriptValue(), const String& origin = String(), const String& lastEventId = String(), PassRefPtr<EventTarget> source = nullptr)
{
return adoptRef(*new MessageEvent(data, origin, lastEventId, source, WTFMove(ports)));
}
static Ref<MessageEvent> create(std::unique_ptr<MessagePortArray> ports, PassRefPtr<SerializedScriptValue> data, const String& origin = String(), const String& lastEventId = String(), PassRefPtr<EventTarget> source = nullptr)
{
return adoptRef(*new MessageEvent(data, origin, lastEventId, source, WTFMove(ports)));
}
static Ref<MessageEvent> create(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId)
{
return adoptRef(*new MessageEvent(type, canBubble, cancelable, data, origin, lastEventId));
}
static Ref<MessageEvent> create(const String& data, const String& origin = String())
{
return adoptRef(*new MessageEvent(data, origin));
}
static Ref<MessageEvent> create(PassRefPtr<Blob> data, const String& origin = String())
{
return adoptRef(*new MessageEvent(data, origin));
}
static Ref<MessageEvent> create(PassRefPtr<ArrayBuffer> data, const String& origin = String())
{
return adoptRef(*new MessageEvent(data, origin));
}
static Ref<MessageEvent> createForBindings()
{
return adoptRef(*new MessageEvent);
}
static Ref<MessageEvent> createForBindings(const AtomicString& type, const MessageEventInit& initializer)
{
return adoptRef(*new MessageEvent(type, initializer));
}
virtual ~MessageEvent();
void initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, const Deprecated::ScriptValue& data, const String& origin, const String& lastEventId, DOMWindow* source, std::unique_ptr<MessagePortArray>);
void initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, DOMWindow* source, std::unique_ptr<MessagePortArray>);
const String& origin() const { return m_origin; }
const String& lastEventId() const { return m_lastEventId; }
EventTarget* source() const { return m_source.get(); }
MessagePortArray ports() const { return m_ports ? *m_ports : MessagePortArray(); }
// FIXME: Remove this when we have custom ObjC binding support.
SerializedScriptValue* data() const;
// Needed for Objective-C bindings (see bug 28774).
MessagePort* messagePort();
void initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, DOMWindow* source, MessagePort*);
virtual EventInterface eventInterface() const override;
enum DataType {
DataTypeScriptValue,
DataTypeSerializedScriptValue,
DataTypeString,
DataTypeBlob,
DataTypeArrayBuffer
};
DataType dataType() const { return m_dataType; }
const Deprecated::ScriptValue& dataAsScriptValue() const { ASSERT(m_dataType == DataTypeScriptValue); return m_dataAsScriptValue; }
PassRefPtr<SerializedScriptValue> dataAsSerializedScriptValue() const { ASSERT(m_dataType == DataTypeSerializedScriptValue); return m_dataAsSerializedScriptValue; }
String dataAsString() const { ASSERT(m_dataType == DataTypeString); return m_dataAsString; }
Blob* dataAsBlob() const { ASSERT(m_dataType == DataTypeBlob); return m_dataAsBlob.get(); }
ArrayBuffer* dataAsArrayBuffer() const { ASSERT(m_dataType == DataTypeArrayBuffer); return m_dataAsArrayBuffer.get(); }
RefPtr<SerializedScriptValue> trySerializeData(JSC::ExecState*);
private:
MessageEvent();
MessageEvent(const AtomicString&, const MessageEventInit&);
MessageEvent(const Deprecated::ScriptValue& data, const String& origin, const String& lastEventId, PassRefPtr<EventTarget> source, std::unique_ptr<MessagePortArray>);
MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtr<EventTarget> source, std::unique_ptr<MessagePortArray>);
MessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId);
explicit MessageEvent(const String& data, const String& origin);
explicit MessageEvent(PassRefPtr<Blob> data, const String& origin);
explicit MessageEvent(PassRefPtr<ArrayBuffer> data, const String& origin);
DataType m_dataType;
Deprecated::ScriptValue m_dataAsScriptValue;
RefPtr<SerializedScriptValue> m_dataAsSerializedScriptValue;
bool m_triedToSerialize { false };
String m_dataAsString;
RefPtr<Blob> m_dataAsBlob;
RefPtr<ArrayBuffer> m_dataAsArrayBuffer;
String m_origin;
String m_lastEventId;
RefPtr<EventTarget> m_source;
std::unique_ptr<MessagePortArray> m_ports;
};
} // namespace WebCore
#endif // MessageEvent_h
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