2 * Copyright (C) 2007 Henry Mason (hmason@mac.com)
3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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28 #ifndef MessageEvent_h
29 #define MessageEvent_h
31 #include "bindings/core/v8/SerializedScriptValue.h"
32 #include "core/dom/DOMArrayBuffer.h"
33 #include "core/dom/MessagePort.h"
34 #include "core/events/Event.h"
35 #include "core/events/EventTarget.h"
36 #include "core/fileapi/Blob.h"
37 #include "core/frame/LocalDOMWindow.h"
41 struct MessageEventInit : public EventInit {
46 RefPtrWillBeMember<EventTarget> source;
47 MessagePortArray ports;
50 class MessageEvent final : public Event {
51 DEFINE_WRAPPERTYPEINFO();
53 static PassRefPtrWillBeRawPtr<MessageEvent> create()
55 return adoptRefWillBeNoop(new MessageEvent);
57 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassOwnPtrWillBeRawPtr<MessagePortArray> ports, const String& origin = String(), const String& lastEventId = String(), PassRefPtrWillBeRawPtr<EventTarget> source = nullptr)
59 return adoptRefWillBeNoop(new MessageEvent(origin, lastEventId, source, ports));
61 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassOwnPtrWillBeRawPtr<MessagePortArray> ports, PassRefPtr<SerializedScriptValue> data, const String& origin = String(), const String& lastEventId = String(), PassRefPtrWillBeRawPtr<EventTarget> source = nullptr)
63 return adoptRefWillBeNoop(new MessageEvent(data, origin, lastEventId, source, ports));
65 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassOwnPtr<MessagePortChannelArray> channels, PassRefPtr<SerializedScriptValue> data, const String& origin = String(), const String& lastEventId = String(), PassRefPtrWillBeRawPtr<EventTarget> source = nullptr)
67 return adoptRefWillBeNoop(new MessageEvent(data, origin, lastEventId, source, channels));
69 static PassRefPtrWillBeRawPtr<MessageEvent> create(const String& data, const String& origin = String())
71 return adoptRefWillBeNoop(new MessageEvent(data, origin));
73 static PassRefPtrWillBeRawPtr<MessageEvent> create(Blob* data, const String& origin = String())
75 return adoptRefWillBeNoop(new MessageEvent(data, origin));
77 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassRefPtr<DOMArrayBuffer> data, const String& origin = String())
79 return adoptRefWillBeNoop(new MessageEvent(data, origin));
81 static PassRefPtrWillBeRawPtr<MessageEvent> create(const AtomicString& type, const MessageEventInit& initializer, ExceptionState&);
82 virtual ~MessageEvent();
84 void initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtrWillBeRawPtr<MessagePortArray>);
85 void initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtrWillBeRawPtr<MessagePortArray>);
87 const String& origin() const { return m_origin; }
88 const String& lastEventId() const { return m_lastEventId; }
89 EventTarget* source() const { return m_source.get(); }
90 MessagePortArray ports() const { return m_ports ? *m_ports : MessagePortArray(); }
91 MessagePortChannelArray* channels() const { return m_channels ? m_channels.get() : 0; }
93 virtual const AtomicString& interfaceName() const override;
97 DataTypeSerializedScriptValue,
102 DataType dataType() const { return m_dataType; }
103 SerializedScriptValue* dataAsSerializedScriptValue() const { ASSERT(m_dataType == DataTypeScriptValue || m_dataType == DataTypeSerializedScriptValue); return m_dataAsSerializedScriptValue.get(); }
104 String dataAsString() const { ASSERT(m_dataType == DataTypeString); return m_dataAsString; }
105 Blob* dataAsBlob() const { ASSERT(m_dataType == DataTypeBlob); return m_dataAsBlob.get(); }
106 DOMArrayBuffer* dataAsArrayBuffer() const { ASSERT(m_dataType == DataTypeArrayBuffer); return m_dataAsArrayBuffer.get(); }
108 void setSerializedData(PassRefPtr<SerializedScriptValue> data)
110 ASSERT(!m_dataAsSerializedScriptValue);
111 m_dataAsSerializedScriptValue = data;
114 void entangleMessagePorts(ExecutionContext*);
116 virtual void trace(Visitor*) override;
118 virtual v8::Handle<v8::Object> associateWithWrapper(const WrapperTypeInfo*, v8::Handle<v8::Object> wrapper, v8::Isolate*) override;
122 MessageEvent(const AtomicString&, const MessageEventInit&);
123 MessageEvent(const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtrWillBeRawPtr<MessagePortArray>);
124 MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtrWillBeRawPtr<MessagePortArray>);
125 MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr<MessagePortChannelArray>);
127 MessageEvent(const String& data, const String& origin);
128 MessageEvent(Blob* data, const String& origin);
129 MessageEvent(PassRefPtr<DOMArrayBuffer> data, const String& origin);
132 RefPtr<SerializedScriptValue> m_dataAsSerializedScriptValue;
133 String m_dataAsString;
134 PersistentWillBeMember<Blob> m_dataAsBlob;
135 RefPtr<DOMArrayBuffer> m_dataAsArrayBuffer;
137 String m_lastEventId;
138 RefPtrWillBeMember<EventTarget> m_source;
139 // m_ports are the MessagePorts in an engtangled state, and m_channels are
140 // the MessageChannels in a disentangled state. Only one of them can be
141 // non-empty at a time. entangleMessagePorts() moves between the states.
142 OwnPtrWillBeMember<MessagePortArray> m_ports;
143 OwnPtr<MessagePortChannelArray> m_channels;
148 #endif // MessageEvent_h