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 37 namespace WebCore { 38 39 class MIDIAccessInitializer; 40 class MIDIClient; 41 42 class MIDIController FINAL : public NoBaseWillBeGarbageCollectedFinalized<MIDIController>, public WillBeHeapSupplement<LocalFrame> { 43 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MIDIController); 44 public: 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(); from(LocalFrame * frame)52 static MIDIController* from(LocalFrame* frame) { return static_cast<MIDIController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName())); } 53 trace(Visitor * visitor)54 virtual void trace(Visitor* visitor) OVERRIDE { WillBeHeapSupplement<LocalFrame>::trace(visitor); } 55 56 protected: 57 explicit MIDIController(PassOwnPtr<MIDIClient>); 58 59 private: 60 OwnPtr<MIDIClient> m_client; 61 }; 62 63 } // namespace WebCore 64 65 #endif // MIDIController_h 66