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Side by Side Diff: Source/modules/webmidi/MIDIAccessPromise.h

Issue 77773003: Make WebMIDI use blink Promise. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 10 months ago
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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 MIDIAccessPromise_h
32 #define MIDIAccessPromise_h
33
34 #include "bindings/v8/ScriptWrappable.h"
35 #include "core/dom/ActiveDOMObject.h"
36 #include "heap/Handle.h"
37 #include "modules/webmidi/MIDIOptions.h"
38 #include "wtf/OwnPtr.h"
39 #include "wtf/PassRefPtr.h"
40 #include "wtf/RefCounted.h"
41
42 namespace WebCore {
43
44 class DOMError;
45 class MIDIAccess;
46 class MIDIErrorCallback;
47 class MIDISuccessCallback;
48 class ExecutionContext;
49
50 struct MIDIOptions;
51
52 class MIDIAccessPromise FINAL : public RefCountedWillBeRefCountedGarbageCollecte d<MIDIAccessPromise>, public ScriptWrappable, public ActiveDOMObject {
53 DECLARE_GC_INFO;
54 public:
55 static PassRefPtrWillBeRawPtr<MIDIAccessPromise> create(ExecutionContext*, c onst Dictionary&);
56 virtual ~MIDIAccessPromise();
57
58 // ActiveDOMObject
59 virtual bool hasPendingActivity() const OVERRIDE;
60 virtual void stop() OVERRIDE;
61
62 MIDIOptions* options() { return m_options.get(); }
63
64 void fulfill();
65 void reject(PassRefPtr<DOMError>);
66
67 void then(PassOwnPtr<MIDISuccessCallback>, PassOwnPtr<MIDIErrorCallback>);
68
69 void trace(Visitor*);
70
71 private:
72 enum State {
73 Pending,
74 Accepted,
75 Rejected,
76 Invoked,
77 };
78
79 MIDIAccessPromise(ExecutionContext*, const Dictionary&);
80
81 void clear();
82
83 State m_state;
84 OwnPtr<MIDISuccessCallback> m_successCallback;
85 OwnPtr<MIDIErrorCallback> m_errorCallback;
86 OwnPtr<MIDIOptions> m_options;
87 RefPtr<DOMError> m_error;
88 RefPtrWillBeMember<MIDIAccess> m_access;
89 };
90
91 } // namespace WebCore
92
93 #endif // MIDIAccessPromise_h
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