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 MIDIController_h 32#define MIDIController_h 33 34#include "core/frame/LocalFrame.h" 35#include "platform/heap/Handle.h" 36 37namespace blink { 38 39class MIDIAccessInitializer; 40class MIDIClient; 41 42class MIDIController FINAL : public NoBaseWillBeGarbageCollectedFinalized<MIDIController>, public WillBeHeapSupplement<LocalFrame> { 43 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MIDIController); 44public: 45 virtual ~MIDIController(); 46 47 void requestSysexPermission(MIDIAccessInitializer*); 48 void cancelSysexPermissionRequest(MIDIAccessInitializer*); 49 50 static PassOwnPtrWillBeRawPtr<MIDIController> create(PassOwnPtr<MIDIClient>); 51 static const char* supplementName(); 52 static MIDIController* from(LocalFrame* frame) { return static_cast<MIDIController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); } 53 54 virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<LocalFrame>::trace(visitor); } 55 56protected: 57 explicit MIDIController(PassOwnPtr<MIDIClient>); 58 59private: 60 OwnPtr<MIDIClient> m_client; 61}; 62 63} // namespace blink 64 65#endif // MIDIController_h 66