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      1 /*
      2  * Copyright (C) 2007 Henry Mason (hmason (at) 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 "MessageEvent.h"
     30 
     31 #include "DOMWindow.h"
     32 #include "EventNames.h"
     33 
     34 namespace WebCore {
     35 
     36 MessageEvent::MessageEvent()
     37     : m_data(SerializedScriptValue::create())
     38 {
     39 }
     40 
     41 MessageEvent::MessageEvent(PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, PassRefPtr<DOMWindow> source, PassOwnPtr<MessagePortArray> ports)
     42     : Event(eventNames().messageEvent, false, false)
     43     , m_data(data)
     44     , m_origin(origin)
     45     , m_lastEventId(lastEventId)
     46     , m_source(source)
     47     , m_ports(ports)
     48 {
     49 }
     50 
     51 MessageEvent::~MessageEvent()
     52 {
     53 }
     54 
     55 void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, DOMWindow* source, PassOwnPtr<MessagePortArray> ports)
     56 {
     57     if (dispatched())
     58         return;
     59 
     60     initEvent(type, canBubble, cancelable);
     61 
     62     m_data = data;
     63     m_origin = origin;
     64     m_lastEventId = lastEventId;
     65     m_source = source;
     66     m_ports = ports;
     67 }
     68 
     69 // FIXME: remove this when we update the ObjC bindings (bug #28774).
     70 MessagePort* MessageEvent::messagePort()
     71 {
     72     if (!m_ports)
     73         return 0;
     74     ASSERT(m_ports->size() == 1);
     75     return (*m_ports)[0].get();
     76 }
     77 
     78 void MessageEvent::initMessageEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<SerializedScriptValue> data, const String& origin, const String& lastEventId, DOMWindow* source, MessagePort* port)
     79 {
     80     MessagePortArray* ports = 0;
     81     if (port) {
     82         ports = new MessagePortArray();
     83         ports->append(port);
     84     }
     85     initMessageEvent(type, canBubble, cancelable, data, origin, lastEventId, source, ports);
     86 }
     87 
     88 bool MessageEvent::isMessageEvent() const
     89 {
     90     return true;
     91 }
     92 
     93 } // namespace WebCore
     94