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Side by Side Diff: sky/engine/core/events/MessageEvent.h

Issue 676723003: Remove postMessage, MessageChannel and MessagePort. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Created 6 years, 2 months ago
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1 /*
2 * Copyright (C) 2007 Henry Mason (hmason@mac.com)
3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserv ed.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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.
13 *
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,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 */
27
28 #ifndef MessageEvent_h
29 #define MessageEvent_h
30
31 #include "bindings/core/v8/SerializedScriptValue.h"
32 #include "core/events/Event.h"
33 #include "core/events/EventTarget.h"
34 #include "core/dom/MessagePort.h"
35 #include "core/frame/LocalDOMWindow.h"
36 #include "wtf/ArrayBuffer.h"
37
38 namespace blink {
39
40 struct MessageEventInit : public EventInit {
41 MessageEventInit();
42
43 String origin;
44 String lastEventId;
45 RefPtrWillBeMember<EventTarget> source;
46 MessagePortArray ports;
47 };
48
49 class MessageEvent FINAL : public Event {
50 DEFINE_WRAPPERTYPEINFO();
51 public:
52 static PassRefPtrWillBeRawPtr<MessageEvent> create()
53 {
54 return adoptRefWillBeNoop(new MessageEvent);
55 }
56 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassOwnPtrWillBeRawPtr<Me ssagePortArray> ports, const String& origin = String(), const String& lastEventI d = String(), PassRefPtrWillBeRawPtr<EventTarget> source = nullptr)
57 {
58 return adoptRefWillBeNoop(new MessageEvent(origin, lastEventId, source, ports));
59 }
60 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassOwnPtrWillBeRawPtr<Me ssagePortArray> ports, PassRefPtr<SerializedScriptValue> data, const String& ori gin = String(), const String& lastEventId = String(), PassRefPtrWillBeRawPtr<Eve ntTarget> source = nullptr)
61 {
62 return adoptRefWillBeNoop(new MessageEvent(data, origin, lastEventId, so urce, ports));
63 }
64 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassOwnPtr<MessagePortCha nnelArray> channels, PassRefPtr<SerializedScriptValue> data, const String& origi n = String(), const String& lastEventId = String(), PassRefPtrWillBeRawPtr<Event Target> source = nullptr)
65 {
66 return adoptRefWillBeNoop(new MessageEvent(data, origin, lastEventId, so urce, channels));
67 }
68 static PassRefPtrWillBeRawPtr<MessageEvent> create(const String& data, const String& origin = String())
69 {
70 return adoptRefWillBeNoop(new MessageEvent(data, origin));
71 }
72 static PassRefPtrWillBeRawPtr<MessageEvent> create(PassRefPtr<ArrayBuffer> d ata, const String& origin = String())
73 {
74 return adoptRefWillBeNoop(new MessageEvent(data, origin));
75 }
76 static PassRefPtrWillBeRawPtr<MessageEvent> create(const AtomicString& type, const MessageEventInit& initializer, ExceptionState&);
77 virtual ~MessageEvent();
78
79 void initMessageEvent(const AtomicString& type, bool canBubble, bool cancela ble, const String& origin, const String& lastEventId, LocalDOMWindow* source, Pa ssOwnPtrWillBeRawPtr<MessagePortArray>);
80 void initMessageEvent(const AtomicString& type, bool canBubble, bool cancela ble, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, LocalDOMWindow* source, PassOwnPtrWillBeRawPtr<MessagePortArray>);
81
82 const String& origin() const { return m_origin; }
83 const String& lastEventId() const { return m_lastEventId; }
84 EventTarget* source() const { return m_source.get(); }
85 MessagePortArray ports() const { return m_ports ? *m_ports : MessagePortArra y(); }
86 MessagePortChannelArray* channels() const { return m_channels ? m_channels.g et() : 0; }
87
88 virtual const AtomicString& interfaceName() const OVERRIDE;
89
90 enum DataType {
91 DataTypeScriptValue,
92 DataTypeSerializedScriptValue,
93 DataTypeString,
94 DataTypeArrayBuffer
95 };
96 DataType dataType() const { return m_dataType; }
97 SerializedScriptValue* dataAsSerializedScriptValue() const { ASSERT(m_dataTy pe == DataTypeScriptValue || m_dataType == DataTypeSerializedScriptValue); retur n m_dataAsSerializedScriptValue.get(); }
98 String dataAsString() const { ASSERT(m_dataType == DataTypeString); return m _dataAsString; }
99 ArrayBuffer* dataAsArrayBuffer() const { ASSERT(m_dataType == DataTypeArrayB uffer); return m_dataAsArrayBuffer.get(); }
100
101 void setSerializedData(PassRefPtr<SerializedScriptValue> data)
102 {
103 ASSERT(!m_dataAsSerializedScriptValue);
104 m_dataAsSerializedScriptValue = data;
105 }
106
107 void entangleMessagePorts(ExecutionContext*);
108
109 virtual void trace(Visitor*) OVERRIDE;
110
111 virtual v8::Handle<v8::Object> wrap(v8::Handle<v8::Object> creationContext, v8::Isolate*) OVERRIDE;
112
113 private:
114 MessageEvent();
115 MessageEvent(const AtomicString&, const MessageEventInit&);
116 MessageEvent(const String& origin, const String& lastEventId, PassRefPtrWill BeRawPtr<EventTarget> source, PassOwnPtrWillBeRawPtr<MessagePortArray>);
117 MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, c onst String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr WillBeRawPtr<MessagePortArray>);
118 MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, c onst String& lastEventId, PassRefPtrWillBeRawPtr<EventTarget> source, PassOwnPtr <MessagePortChannelArray>);
119
120 MessageEvent(const String& data, const String& origin);
121 MessageEvent(PassRefPtr<ArrayBuffer> data, const String& origin);
122
123 DataType m_dataType;
124 RefPtr<SerializedScriptValue> m_dataAsSerializedScriptValue;
125 String m_dataAsString;
126 RefPtr<ArrayBuffer> m_dataAsArrayBuffer;
127 String m_origin;
128 String m_lastEventId;
129 RefPtrWillBeMember<EventTarget> m_source;
130 // m_ports are the MessagePorts in an engtangled state, and m_channels are
131 // the MessageChannels in a disentangled state. Only one of them can be
132 // non-empty at a time. entangleMessagePorts() moves between the states.
133 OwnPtrWillBeMember<MessagePortArray> m_ports;
134 OwnPtr<MessagePortChannelArray> m_channels;
135 };
136
137 } // namespace blink
138
139 #endif // MessageEvent_h
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