1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* 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.
*/
#ifndef MIDIAccessor_h
#define MIDIAccessor_h
#include "public/platform/WebMIDIAccessor.h"
#include "public/platform/WebMIDIAccessorClient.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
namespace blink {
class MIDIAccessorClient;
class MIDIAccessor final : public WebMIDIAccessorClient {
public:
static PassOwnPtr<MIDIAccessor> create(MIDIAccessorClient*);
virtual ~MIDIAccessor() { }
void startSession();
void sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp);
// MIDIAccessInitializer and MIDIAccess are both MIDIAccessClient.
// MIDIAccessInitializer is the first client and MIDIAccess takes over it
// once the initialization successfully finishes.
void setClient(MIDIAccessorClient* client) { m_client = client; }
// WebMIDIAccessorClient
virtual void didAddInputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version, bool isActive) override;
virtual void didAddOutputPort(const WebString& id, const WebString& manufacturer, const WebString& name, const WebString& version, bool isActive) override;
virtual void didSetInputPortState(unsigned portIndex, bool isActive) override;
virtual void didSetOutputPortState(unsigned portIndex, bool isActive) override;
virtual void didStartSession(bool success, const WebString& error, const WebString& message) override;
virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) override;
private:
explicit MIDIAccessor(MIDIAccessorClient*);
MIDIAccessorClient* m_client;
OwnPtr<WebMIDIAccessor> m_accessor;
};
} // namespace blink
#endif // MIDIAccessor_h
|
