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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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