File: MIDIPort.h

package info (click to toggle)
chromium-browser 57.0.2987.98-1~deb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 2,637,852 kB
  • ctags: 2,544,394
  • sloc: cpp: 12,815,961; ansic: 3,676,222; python: 1,147,112; asm: 526,608; java: 523,212; xml: 286,794; perl: 92,654; sh: 86,408; objc: 73,271; makefile: 27,698; cs: 18,487; yacc: 13,031; tcl: 12,957; pascal: 4,875; ml: 4,716; lex: 3,904; sql: 3,862; ruby: 1,982; lisp: 1,508; php: 1,368; exp: 404; awk: 325; csh: 117; jsp: 39; sed: 37
file content (128 lines) | stat: -rw-r--r-- 4,126 bytes parent folder | download
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
/*
 * 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 MIDIPort_h
#define MIDIPort_h

#include "bindings/core/v8/ActiveScriptWrappable.h"
#include "bindings/core/v8/ScriptPromise.h"
#include "bindings/core/v8/TraceWrapperMember.h"
#include "core/dom/ContextLifecycleObserver.h"
#include "core/dom/ExceptionCode.h"
#include "media/midi/midi_service.mojom-blink.h"
#include "modules/EventTargetModules.h"
#include "modules/webmidi/MIDIAccessor.h"
#include "platform/heap/Handle.h"

namespace blink {

class MIDIAccess;

class MIDIPort : public EventTargetWithInlineData,
                 public ActiveScriptWrappable<MIDIPort>,
                 public ContextLifecycleObserver {
  DEFINE_WRAPPERTYPEINFO();
  USING_GARBAGE_COLLECTED_MIXIN(MIDIPort);

 public:
  enum ConnectionState {
    ConnectionStateOpen,
    ConnectionStateClosed,
    ConnectionStatePending
  };

  enum TypeCode { TypeInput, TypeOutput };

  ~MIDIPort() override {}

  String connection() const;
  String id() const { return m_id; }
  String manufacturer() const { return m_manufacturer; }
  String name() const { return m_name; }
  String state() const;
  String type() const;
  String version() const { return m_version; }

  ScriptPromise open(ScriptState*);
  ScriptPromise close(ScriptState*);

  MIDIAccess* midiAccess() const { return m_access; }
  midi::mojom::PortState getState() const { return m_state; }
  void setState(midi::mojom::PortState);
  ConnectionState getConnection() const { return m_connection; }

  DECLARE_VIRTUAL_TRACE();

  DECLARE_VIRTUAL_TRACE_WRAPPERS();

  DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange);

  // EventTarget
  const AtomicString& interfaceName() const override {
    return EventTargetNames::MIDIPort;
  }
  ExecutionContext* getExecutionContext() const final;

  // ScriptWrappable
  bool hasPendingActivity() const final;

  // ContextLifecycleObserver
  void contextDestroyed(ExecutionContext*) override;

 protected:
  MIDIPort(MIDIAccess*,
           const String& id,
           const String& manufacturer,
           const String& name,
           TypeCode,
           const String& version,
           midi::mojom::PortState);

  void open();

 private:
  ScriptPromise accept(ScriptState*);
  ScriptPromise reject(ScriptState*, ExceptionCode, const String& message);

  void setStates(midi::mojom::PortState, ConnectionState);

  String m_id;
  String m_manufacturer;
  String m_name;
  TypeCode m_type;
  String m_version;
  TraceWrapperMember<MIDIAccess> m_access;
  midi::mojom::PortState m_state;
  ConnectionState m_connection;
};

}  // namespace blink

#endif  // MIDIPort_h