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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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189 , m_portIndex(portIndex) | 189 , m_portIndex(portIndex) |
190 { | 190 { |
191 } | 191 } |
192 | 192 |
193 MIDIOutput::~MIDIOutput() | 193 MIDIOutput::~MIDIOutput() |
194 { | 194 { |
195 } | 195 } |
196 | 196 |
197 void MIDIOutput::send(DOMUint8Array* array, double timestamp, ExceptionState& ex
ceptionState) | 197 void MIDIOutput::send(DOMUint8Array* array, double timestamp, ExceptionState& ex
ceptionState) |
198 { | 198 { |
| 199 ASSERT(array); |
| 200 |
199 if (timestamp == 0.0) | 201 if (timestamp == 0.0) |
200 timestamp = now(executionContext()); | 202 timestamp = now(executionContext()); |
201 | 203 |
202 // Implicit open. It does nothing if the port is already opened. | 204 // Implicit open. It does nothing if the port is already opened. |
203 // This should be performed even if |array| is invalid. | 205 // This should be performed even if |array| is invalid. |
204 open(); | 206 open(); |
205 | 207 |
206 if (!array) | |
207 return; | |
208 | |
209 if (MessageValidator::validate(array, exceptionState, midiAccess()->sysexEna
bled())) | 208 if (MessageValidator::validate(array, exceptionState, midiAccess()->sysexEna
bled())) |
210 midiAccess()->sendMIDIData(m_portIndex, array->data(), array->length(),
timestamp); | 209 midiAccess()->sendMIDIData(m_portIndex, array->data(), array->length(),
timestamp); |
211 } | 210 } |
212 | 211 |
213 void MIDIOutput::send(Vector<unsigned> unsignedData, double timestamp, Exception
State& exceptionState) | 212 void MIDIOutput::send(Vector<unsigned> unsignedData, double timestamp, Exception
State& exceptionState) |
214 { | 213 { |
215 if (timestamp == 0.0) | 214 if (timestamp == 0.0) |
216 timestamp = now(executionContext()); | 215 timestamp = now(executionContext()); |
217 | 216 |
218 RefPtr<DOMUint8Array> array = DOMUint8Array::create(unsignedData.size()); | 217 RefPtr<DOMUint8Array> array = DOMUint8Array::create(unsignedData.size()); |
219 DOMUint8Array::ValueType* const arrayData = array->data(); | 218 DOMUint8Array::ValueType* const arrayData = array->data(); |
220 const uint32_t arrayLength = array->length(); | 219 const uint32_t arrayLength = array->length(); |
221 | 220 |
222 for (size_t i = 0; i < unsignedData.size(); ++i) { | 221 for (size_t i = 0; i < unsignedData.size(); ++i) { |
223 if (unsignedData[i] > 0xff) { | 222 if (unsignedData[i] > 0xff) { |
224 exceptionState.throwTypeError("The value at index " + String::number
(i) + " (" + String::number(unsignedData[i]) + ") is greater than 0xFF."); | 223 exceptionState.throwTypeError("The value at index " + String::number
(i) + " (" + String::number(unsignedData[i]) + ") is greater than 0xFF."); |
225 return; | 224 return; |
226 } | 225 } |
227 if (i < arrayLength) | 226 if (i < arrayLength) |
228 arrayData[i] = unsignedData[i] & 0xff; | 227 arrayData[i] = unsignedData[i] & 0xff; |
229 } | 228 } |
230 | 229 |
231 send(array.get(), timestamp, exceptionState); | 230 send(array.get(), timestamp, exceptionState); |
232 } | 231 } |
233 | 232 |
234 void MIDIOutput::send(DOMUint8Array* data, ExceptionState& exceptionState) | 233 void MIDIOutput::send(DOMUint8Array* data, ExceptionState& exceptionState) |
235 { | 234 { |
| 235 ASSERT(data); |
236 send(data, 0.0, exceptionState); | 236 send(data, 0.0, exceptionState); |
237 } | 237 } |
238 | 238 |
239 void MIDIOutput::send(Vector<unsigned> unsignedData, ExceptionState& exceptionSt
ate) | 239 void MIDIOutput::send(Vector<unsigned> unsignedData, ExceptionState& exceptionSt
ate) |
240 { | 240 { |
241 send(unsignedData, 0.0, exceptionState); | 241 send(unsignedData, 0.0, exceptionState); |
242 } | 242 } |
243 | 243 |
244 DEFINE_TRACE(MIDIOutput) | 244 DEFINE_TRACE(MIDIOutput) |
245 { | 245 { |
246 MIDIPort::trace(visitor); | 246 MIDIPort::trace(visitor); |
247 } | 247 } |
248 | 248 |
249 } // namespace blink | 249 } // namespace blink |
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