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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 COMPUTER, 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 COMPUTER, 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 "bindings/core/v8/SerializedScriptValue.h"
#include "core/CoreExport.h"
#include "core/dom/DOMArrayBuffer.h"
#include "core/dom/MessagePort.h"
#include "core/events/Event.h"
#include "core/events/EventTarget.h"
#include "core/events/MessageEventInit.h"
#include "core/fileapi/Blob.h"
#include "wtf/Compiler.h"
#include <memory>
namespace blink {
class CORE_EXPORT MessageEvent final : public Event {
DEFINE_WRAPPERTYPEINFO();
public:
static MessageEvent* create() { return new MessageEvent; }
static MessageEvent* create(MessagePortArray* ports,
const String& origin = String(),
const String& lastEventId = String(),
EventTarget* source = nullptr,
const String& suborigin = String()) {
return new MessageEvent(origin, lastEventId, source, ports, suborigin);
}
static MessageEvent* create(MessagePortArray* ports,
PassRefPtr<SerializedScriptValue> data,
const String& origin = String(),
const String& lastEventId = String(),
EventTarget* source = nullptr,
const String& suborigin = String()) {
return new MessageEvent(std::move(data), origin, lastEventId, source, ports,
suborigin);
}
static MessageEvent* create(std::unique_ptr<MessagePortChannelArray> channels,
PassRefPtr<SerializedScriptValue> data,
const String& origin = String(),
const String& lastEventId = String(),
EventTarget* source = nullptr,
const String& suborigin = String()) {
return new MessageEvent(std::move(data), origin, lastEventId, source,
std::move(channels), suborigin);
}
static MessageEvent* create(const String& data,
const String& origin = String(),
const String& suborigin = String()) {
return new MessageEvent(data, origin, suborigin);
}
static MessageEvent* create(Blob* data,
const String& origin = String(),
const String& suborigin = String()) {
return new MessageEvent(data, origin, suborigin);
}
static MessageEvent* create(DOMArrayBuffer* data,
const String& origin = String(),
const String& suborigin = String()) {
return new MessageEvent(data, origin, suborigin);
}
static MessageEvent* create(const AtomicString& type,
const MessageEventInit& initializer,
ExceptionState&);
~MessageEvent() override;
void initMessageEvent(const AtomicString& type,
bool canBubble,
bool cancelable,
ScriptValue data,
const String& origin,
const String& lastEventId,
EventTarget* source,
MessagePortArray*);
void initMessageEvent(const AtomicString& type,
bool canBubble,
bool cancelable,
PassRefPtr<SerializedScriptValue> data,
const String& origin,
const String& lastEventId,
EventTarget* source,
MessagePortArray*);
const String& origin() const { return m_origin; }
const String& suborigin() const { return m_suborigin; }
const String& lastEventId() const { return m_lastEventId; }
EventTarget* source() const { return m_source.get(); }
MessagePortArray ports(bool& isNull) const;
MessagePortArray ports() const;
MessagePortChannelArray* channels() const {
return m_channels ? m_channels.get() : nullptr;
}
const AtomicString& interfaceName() const override;
enum DataType {
DataTypeScriptValue,
DataTypeSerializedScriptValue,
DataTypeString,
DataTypeBlob,
DataTypeArrayBuffer
};
DataType getDataType() const { return m_dataType; }
ScriptValue dataAsScriptValue() const {
DCHECK_EQ(m_dataType, DataTypeScriptValue);
return m_dataAsScriptValue;
}
SerializedScriptValue* dataAsSerializedScriptValue() const {
DCHECK_EQ(m_dataType, DataTypeSerializedScriptValue);
return m_dataAsSerializedScriptValue.get();
}
String dataAsString() const {
DCHECK_EQ(m_dataType, DataTypeString);
return m_dataAsString;
}
Blob* dataAsBlob() const {
DCHECK_EQ(m_dataType, DataTypeBlob);
return m_dataAsBlob.get();
}
DOMArrayBuffer* dataAsArrayBuffer() const {
DCHECK_EQ(m_dataType, DataTypeArrayBuffer);
return m_dataAsArrayBuffer.get();
}
void setSerializedData(PassRefPtr<SerializedScriptValue> data) {
DCHECK(!m_dataAsSerializedScriptValue);
m_dataAsSerializedScriptValue = data;
}
void entangleMessagePorts(ExecutionContext*);
DECLARE_VIRTUAL_TRACE();
WARN_UNUSED_RESULT v8::Local<v8::Object> associateWithWrapper(
v8::Isolate*,
const WrapperTypeInfo*,
v8::Local<v8::Object> wrapper) override;
private:
MessageEvent();
MessageEvent(const AtomicString&, const MessageEventInit&);
MessageEvent(const String& origin,
const String& lastEventId,
EventTarget* source,
MessagePortArray*,
const String& suborigin);
MessageEvent(PassRefPtr<SerializedScriptValue> data,
const String& origin,
const String& lastEventId,
EventTarget* source,
MessagePortArray*,
const String& suborigin);
MessageEvent(PassRefPtr<SerializedScriptValue> data,
const String& origin,
const String& lastEventId,
EventTarget* source,
std::unique_ptr<MessagePortChannelArray>,
const String& suborigin);
MessageEvent(const String& data,
const String& origin,
const String& suborigin);
MessageEvent(Blob* data, const String& origin, const String& suborigin);
MessageEvent(DOMArrayBuffer* data,
const String& origin,
const String& suborigin);
DataType m_dataType;
ScriptValue m_dataAsScriptValue;
RefPtr<SerializedScriptValue> m_dataAsSerializedScriptValue;
String m_dataAsString;
Member<Blob> m_dataAsBlob;
Member<DOMArrayBuffer> m_dataAsArrayBuffer;
String m_origin;
String m_lastEventId;
Member<EventTarget> m_source;
// m_ports are the MessagePorts in an engtangled state, and m_channels are
// the MessageChannels in a disentangled state. Only one of them can be
// non-empty at a time. entangleMessagePorts() moves between the states.
Member<MessagePortArray> m_ports;
std::unique_ptr<MessagePortChannelArray> m_channels;
String m_suborigin;
};
} // namespace blink
#endif // MessageEvent_h
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