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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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39 | 39 |
40 MIDIInput* MIDIInput::create(MIDIAccess* access, const String& id, const String&
manufacturer, const String& name, const String& version) | 40 MIDIInput* MIDIInput::create(MIDIAccess* access, const String& id, const String&
manufacturer, const String& name, const String& version) |
41 { | 41 { |
42 ASSERT(access); | 42 ASSERT(access); |
43 return adoptRefCountedGarbageCollectedWillBeNoop(new MIDIInput(access, id, m
anufacturer, name, version)); | 43 return adoptRefCountedGarbageCollectedWillBeNoop(new MIDIInput(access, id, m
anufacturer, name, version)); |
44 } | 44 } |
45 | 45 |
46 MIDIInput::MIDIInput(MIDIAccess* access, const String& id, const String& manufac
turer, const String& name, const String& version) | 46 MIDIInput::MIDIInput(MIDIAccess* access, const String& id, const String& manufac
turer, const String& name, const String& version) |
47 : MIDIPort(access, id, manufacturer, name, MIDIPortTypeInput, version) | 47 : MIDIPort(access, id, manufacturer, name, MIDIPortTypeInput, version) |
48 { | 48 { |
49 ScriptWrappable::init(this); | |
50 } | 49 } |
51 | 50 |
52 void MIDIInput::didReceiveMIDIData(unsigned portIndex, const unsigned char* data
, size_t length, double timeStamp) | 51 void MIDIInput::didReceiveMIDIData(unsigned portIndex, const unsigned char* data
, size_t length, double timeStamp) |
53 { | 52 { |
54 ASSERT(isMainThread()); | 53 ASSERT(isMainThread()); |
55 | 54 |
56 if (!length) | 55 if (!length) |
57 return; | 56 return; |
58 | 57 |
59 // Drop sysex message here when the client does not request it. Note that th
is is not a security check but an | 58 // Drop sysex message here when the client does not request it. Note that th
is is not a security check but an |
60 // automatic filtering for clients that do not want sysex message. Also note
that sysex message will never be sent | 59 // automatic filtering for clients that do not want sysex message. Also note
that sysex message will never be sent |
61 // unless the current process has an explicit permission to handle sysex mes
sage. | 60 // unless the current process has an explicit permission to handle sysex mes
sage. |
62 if (data[0] == 0xf0 && !midiAccess()->sysexEnabled()) | 61 if (data[0] == 0xf0 && !midiAccess()->sysexEnabled()) |
63 return; | 62 return; |
64 RefPtr<Uint8Array> array = Uint8Array::create(data, length); | 63 RefPtr<Uint8Array> array = Uint8Array::create(data, length); |
65 dispatchEvent(MIDIMessageEvent::create(timeStamp, array)); | 64 dispatchEvent(MIDIMessageEvent::create(timeStamp, array)); |
66 } | 65 } |
67 | 66 |
68 void MIDIInput::trace(Visitor* visitor) | 67 void MIDIInput::trace(Visitor* visitor) |
69 { | 68 { |
70 MIDIPort::trace(visitor); | 69 MIDIPort::trace(visitor); |
71 } | 70 } |
72 | 71 |
73 } // namespace blink | 72 } // namespace blink |
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