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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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43 { | 43 { |
44 ASSERT(access); | 44 ASSERT(access); |
45 return new MIDIInput(access, id, manufacturer, name, version, state); | 45 return new MIDIInput(access, id, manufacturer, name, version, state); |
46 } | 46 } |
47 | 47 |
48 MIDIInput::MIDIInput(MIDIAccess* access, const String& id, const String& manufac turer, const String& name, const String& version, PortState state) | 48 MIDIInput::MIDIInput(MIDIAccess* access, const String& id, const String& manufac turer, const String& name, const String& version, PortState state) |
49 : MIDIPort(access, id, manufacturer, name, TypeInput, version, state) | 49 : MIDIPort(access, id, manufacturer, name, TypeInput, version, state) |
50 { | 50 { |
51 } | 51 } |
52 | 52 |
53 EventListener* MIDIInput::onmidimessage() | |
54 { | |
55 return getAttributeEventListener(EventTypeNames::midimessage); | |
56 } | |
57 | |
58 void MIDIInput::setOnmidimessage(PassRefPtr<EventListener> listener) | |
59 { | |
60 // Implicit open. It does nothing if the port is already opened. | |
kouhei (in TOK)
2015/04/02 05:10:52
Please add a link to the spec for "spec" behaviour
Takashi Toyoshima
2015/04/02 05:25:41
Done.
| |
61 open(); | |
62 | |
63 setAttributeEventListener(EventTypeNames::midimessage, listener); | |
64 } | |
65 | |
53 void MIDIInput::didReceiveMIDIData(unsigned portIndex, const unsigned char* data , size_t length, double timeStamp) | 66 void MIDIInput::didReceiveMIDIData(unsigned portIndex, const unsigned char* data , size_t length, double timeStamp) |
54 { | 67 { |
55 ASSERT(isMainThread()); | 68 ASSERT(isMainThread()); |
56 | 69 |
57 if (!length) | 70 if (!length) |
58 return; | 71 return; |
59 | 72 |
73 if (getConnection() != ConnectionStateOpen) | |
74 return; | |
75 | |
60 // Drop sysex message here when the client does not request it. Note that th is is not a security check but an | 76 // Drop sysex message here when the client does not request it. Note that th is is not a security check but an |
61 // automatic filtering for clients that do not want sysex message. Also note that sysex message will never be sent | 77 // automatic filtering for clients that do not want sysex message. Also note that sysex message will never be sent |
62 // unless the current process has an explicit permission to handle sysex mes sage. | 78 // unless the current process has an explicit permission to handle sysex mes sage. |
63 if (data[0] == 0xf0 && !midiAccess()->sysexEnabled()) | 79 if (data[0] == 0xf0 && !midiAccess()->sysexEnabled()) |
64 return; | 80 return; |
65 RefPtr<DOMUint8Array> array = DOMUint8Array::create(data, length); | 81 RefPtr<DOMUint8Array> array = DOMUint8Array::create(data, length); |
66 dispatchEvent(MIDIMessageEvent::create(timeStamp, array)); | 82 dispatchEvent(MIDIMessageEvent::create(timeStamp, array)); |
67 } | 83 } |
68 | 84 |
69 DEFINE_TRACE(MIDIInput) | 85 DEFINE_TRACE(MIDIInput) |
70 { | 86 { |
71 MIDIPort::trace(visitor); | 87 MIDIPort::trace(visitor); |
72 } | 88 } |
73 | 89 |
74 } // namespace blink | 90 } // namespace blink |
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