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1 /* | |
2 * Copyright (C) 2007 Henry Mason (hmason@mac.com) | |
3 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
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 #include "config.h" | |
29 #include "core/events/MessageEvent.h" | |
30 | |
31 #include "core/events/EventNames.h" | |
32 #include "core/page/DOMWindow.h" | |
33 | |
34 namespace WebCore { | |
35 | |
36 static inline bool isValidSource(EventTarget* source) | |
37 { | |
38 return !source || source->toDOMWindow() || source->toMessagePort(); | |
39 } | |
40 | |
41 MessageEventInit::MessageEventInit() | |
42 { | |
43 } | |
44 | |
45 MessageEvent::MessageEvent() | |
46 : m_dataType(DataTypeScriptValue) | |
47 { | |
48 ScriptWrappable::init(this); | |
49 } | |
50 | |
51 MessageEvent::MessageEvent(const AtomicString& type, const MessageEventInit& ini
tializer) | |
52 : Event(type, initializer) | |
53 , m_dataType(DataTypeScriptValue) | |
54 , m_origin(initializer.origin) | |
55 , m_lastEventId(initializer.lastEventId) | |
56 , m_source(isValidSource(initializer.source.get()) ? initializer.source : 0) | |
57 , m_ports(adoptPtr(new MessagePortArray(initializer.ports))) | |
58 { | |
59 ScriptWrappable::init(this); | |
60 ASSERT(isValidSource(m_source.get())); | |
61 } | |
62 | |
63 MessageEvent::MessageEvent(const String& origin, const String& lastEventId, Pass
RefPtr<EventTarget> source, PassOwnPtr<MessagePortArray> ports) | |
64 : Event(eventNames().messageEvent, false, false) | |
65 , m_dataType(DataTypeScriptValue) | |
66 , m_origin(origin) | |
67 , m_lastEventId(lastEventId) | |
68 , m_source(source) | |
69 , m_ports(ports) | |
70 { | |
71 ScriptWrappable::init(this); | |
72 ASSERT(isValidSource(m_source.get())); | |
73 } | |
74 | |
75 MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String&
origin, const String& lastEventId, PassRefPtr<EventTarget> source, PassOwnPtr<M
essagePortArray> ports) | |
76 : Event(eventNames().messageEvent, false, false) | |
77 , m_dataType(DataTypeSerializedScriptValue) | |
78 , m_dataAsSerializedScriptValue(data) | |
79 , m_origin(origin) | |
80 , m_lastEventId(lastEventId) | |
81 , m_source(source) | |
82 , m_ports(ports) | |
83 { | |
84 ScriptWrappable::init(this); | |
85 if (m_dataAsSerializedScriptValue) | |
86 m_dataAsSerializedScriptValue->registerMemoryAllocatedWithCurrentScriptC
ontext(); | |
87 ASSERT(isValidSource(m_source.get())); | |
88 } | |
89 | |
90 MessageEvent::MessageEvent(const String& data, const String& origin) | |
91 : Event(eventNames().messageEvent, false, false) | |
92 , m_dataType(DataTypeString) | |
93 , m_dataAsString(data) | |
94 , m_origin(origin) | |
95 { | |
96 ScriptWrappable::init(this); | |
97 } | |
98 | |
99 MessageEvent::MessageEvent(PassRefPtr<Blob> data, const String& origin) | |
100 : Event(eventNames().messageEvent, false, false) | |
101 , m_dataType(DataTypeBlob) | |
102 , m_dataAsBlob(data) | |
103 , m_origin(origin) | |
104 { | |
105 ScriptWrappable::init(this); | |
106 } | |
107 | |
108 MessageEvent::MessageEvent(PassRefPtr<ArrayBuffer> data, const String& origin) | |
109 : Event(eventNames().messageEvent, false, false) | |
110 , m_dataType(DataTypeArrayBuffer) | |
111 , m_dataAsArrayBuffer(data) | |
112 , m_origin(origin) | |
113 { | |
114 ScriptWrappable::init(this); | |
115 } | |
116 | |
117 MessageEvent::~MessageEvent() | |
118 { | |
119 } | |
120 | |
121 void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bo
ol cancelable, const String& origin, const String& lastEventId, DOMWindow* sourc
e, PassOwnPtr<MessagePortArray> ports) | |
122 { | |
123 if (dispatched()) | |
124 return; | |
125 | |
126 initEvent(type, canBubble, cancelable); | |
127 | |
128 m_dataType = DataTypeScriptValue; | |
129 m_origin = origin; | |
130 m_lastEventId = lastEventId; | |
131 m_source = source; | |
132 m_ports = ports; | |
133 } | |
134 | |
135 void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bo
ol cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, con
st String& lastEventId, DOMWindow* source, PassOwnPtr<MessagePortArray> ports) | |
136 { | |
137 if (dispatched()) | |
138 return; | |
139 | |
140 initEvent(type, canBubble, cancelable); | |
141 | |
142 m_dataType = DataTypeSerializedScriptValue; | |
143 m_dataAsSerializedScriptValue = data; | |
144 m_origin = origin; | |
145 m_lastEventId = lastEventId; | |
146 m_source = source; | |
147 m_ports = ports; | |
148 | |
149 if (m_dataAsSerializedScriptValue) | |
150 m_dataAsSerializedScriptValue->registerMemoryAllocatedWithCurrentScriptC
ontext(); | |
151 } | |
152 | |
153 const AtomicString& MessageEvent::interfaceName() const | |
154 { | |
155 return eventNames().interfaceForMessageEvent; | |
156 } | |
157 | |
158 } // namespace WebCore | |
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