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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef MIDIMessageEvent_h
     32 #define MIDIMessageEvent_h
     33 
     34 #include "core/dom/Event.h"
     35 #include "wtf/Uint8Array.h"
     36 
     37 namespace WebCore {
     38 
     39 struct MIDIMessageEventInit : public EventInit {
     40     MIDIMessageEventInit()
     41         : receivedTime(0.0)
     42     {
     43     };
     44 
     45     double receivedTime;
     46     RefPtr<Uint8Array> data;
     47 };
     48 
     49 class MIDIMessageEvent : public Event {
     50 public:
     51     static PassRefPtr<MIDIMessageEvent> create()
     52     {
     53         return adoptRef(new MIDIMessageEvent());
     54     }
     55 
     56     static PassRefPtr<MIDIMessageEvent> create(double receivedTime, PassRefPtr<Uint8Array> data)
     57     {
     58         return adoptRef(new MIDIMessageEvent(receivedTime, data));
     59     }
     60 
     61     static PassRefPtr<MIDIMessageEvent> create(const AtomicString& type, const MIDIMessageEventInit& initializer)
     62     {
     63         return adoptRef(new MIDIMessageEvent(type, initializer));
     64     }
     65 
     66     double receivedTime() { return m_receivedTime; }
     67     PassRefPtr<Uint8Array> data() { return m_data; }
     68 
     69     virtual const AtomicString& interfaceName() const OVERRIDE { return eventNames().interfaceForMIDIMessageEvent; }
     70 
     71 private:
     72     MIDIMessageEvent()
     73         : m_receivedTime(0)
     74     {
     75         ScriptWrappable::init(this);
     76     }
     77 
     78     MIDIMessageEvent(double receivedTime, PassRefPtr<Uint8Array> data)
     79         : Event(eventNames().midimessageEvent, true, false)
     80         , m_receivedTime(receivedTime)
     81         , m_data(data)
     82     {
     83         ScriptWrappable::init(this);
     84     }
     85 
     86     MIDIMessageEvent(const AtomicString& type, const MIDIMessageEventInit& initializer)
     87         : Event(type, initializer)
     88         , m_receivedTime(initializer.receivedTime)
     89         , m_data(initializer.data)
     90     {
     91         ScriptWrappable::init(this);
     92     }
     93 
     94     double m_receivedTime;
     95     RefPtr<Uint8Array> m_data;
     96 };
     97 
     98 } // namespace WebCore
     99 
    100 #endif // MIDIMessageEvent_h
    101