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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 "modules/EventModules.h"
     35 #include "wtf/Uint8Array.h"
     36 
     37 namespace blink {
     38 
     39 struct MIDIMessageEventInit : public EventInit {
     40     MIDIMessageEventInit()
     41         : receivedTime(0.0) { }
     42 
     43     double receivedTime;
     44     RefPtr<Uint8Array> data;
     45 };
     46 
     47 class MIDIMessageEvent FINAL : public Event {
     48     DEFINE_WRAPPERTYPEINFO();
     49 public:
     50     static PassRefPtrWillBeRawPtr<MIDIMessageEvent> create()
     51     {
     52         return adoptRefWillBeNoop(new MIDIMessageEvent());
     53     }
     54 
     55     static PassRefPtrWillBeRawPtr<MIDIMessageEvent> create(double receivedTime, PassRefPtr<Uint8Array> data)
     56     {
     57         return adoptRefWillBeNoop(new MIDIMessageEvent(receivedTime, data));
     58     }
     59 
     60     static PassRefPtrWillBeRawPtr<MIDIMessageEvent> create(const AtomicString& type, const MIDIMessageEventInit& initializer)
     61     {
     62         return adoptRefWillBeNoop(new MIDIMessageEvent(type, initializer));
     63     }
     64 
     65     double receivedTime() { return m_receivedTime; }
     66     PassRefPtr<Uint8Array> data() { return m_data; }
     67 
     68     virtual const AtomicString& interfaceName() const OVERRIDE { return EventNames::MIDIMessageEvent; }
     69 
     70     virtual void trace(Visitor* visitor) OVERRIDE { Event::trace(visitor); }
     71 
     72 private:
     73     MIDIMessageEvent()
     74         : m_receivedTime(0) { }
     75 
     76     MIDIMessageEvent(double receivedTime, PassRefPtr<Uint8Array> data)
     77         : Event(EventTypeNames::midimessage, true, false)
     78         , m_receivedTime(receivedTime)
     79         , m_data(data) { }
     80 
     81     MIDIMessageEvent(const AtomicString& type, const MIDIMessageEventInit& initializer)
     82         : Event(type, initializer)
     83         , m_receivedTime(initializer.receivedTime)
     84         , m_data(initializer.data) { }
     85 
     86     double m_receivedTime;
     87     RefPtr<Uint8Array> m_data;
     88 };
     89 
     90 } // namespace blink
     91 
     92 #endif // MIDIMessageEvent_h
     93