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