| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "modules/webmidi/MIDIAccess.h" |
| |
| #include "core/dom/DOMError.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "modules/webmidi/MIDIAccessPromise.h" |
| #include "modules/webmidi/MIDIConnectionEvent.h" |
| #include "modules/webmidi/MIDIInput.h" |
| #include "modules/webmidi/MIDIOutput.h" |
| #include "modules/webmidi/MIDIPort.h" |
| |
| namespace WebCore { |
| |
| PassRefPtr<MIDIAccess> MIDIAccess::create(ScriptExecutionContext* context, MIDIAccessPromise* promise) |
| { |
| RefPtr<MIDIAccess> midiAccess(adoptRef(new MIDIAccess(context, promise))); |
| midiAccess->suspendIfNeeded(); |
| return midiAccess.release(); |
| } |
| |
| MIDIAccess::~MIDIAccess() |
| { |
| stop(); |
| } |
| |
| MIDIAccess::MIDIAccess(ScriptExecutionContext* context, MIDIAccessPromise* promise) |
| : ActiveDOMObject(context) |
| , m_promise(promise) |
| , m_hasAccess(false) |
| { |
| ScriptWrappable::init(this); |
| m_accessor = MIDIAccessor::create(this); |
| m_accessor->requestAccess(promise->options()->sysex); |
| } |
| |
| void MIDIAccess::didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version) |
| { |
| ASSERT(isMainThread()); |
| |
| m_inputs.append(MIDIInput::create(scriptExecutionContext(), id, manufacturer, name, version)); |
| } |
| |
| void MIDIAccess::didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version) |
| { |
| ASSERT(isMainThread()); |
| |
| m_outputs.append(MIDIOutput::create(scriptExecutionContext(), id, manufacturer, name, version)); |
| } |
| |
| void MIDIAccess::didAllowAccess() |
| { |
| ASSERT(isMainThread()); |
| |
| m_hasAccess = true; |
| m_promise->fulfill(); |
| } |
| |
| void MIDIAccess::didBlockAccess() |
| { |
| ASSERT(isMainThread()); |
| |
| m_hasAccess = false; |
| RefPtr<DOMError> error = DOMError::create("SecurityError"); |
| m_promise->reject(error); |
| } |
| |
| void MIDIAccess::didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) |
| { |
| ASSERT(isMainThread()); |
| |
| if (m_hasAccess && portIndex < m_inputs.size()) |
| m_inputs[portIndex]->didReceiveMIDIData(portIndex, data, length, timeStamp); |
| } |
| |
| void MIDIAccess::stop() |
| { |
| m_hasAccess = false; |
| } |
| |
| } // namespace WebCore |