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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 public: | |
54 static PassRefPtrWillBeRawPtr<MIDIAccessPromise> create(ExecutionContext*, c
onst Dictionary&); | |
55 virtual ~MIDIAccessPromise(); | |
56 | |
57 // ActiveDOMObject | |
58 virtual bool hasPendingActivity() const OVERRIDE; | |
59 virtual void stop() OVERRIDE; | |
60 | |
61 MIDIOptions* options() { return m_options.get(); } | |
62 | |
63 void fulfill(); | |
64 void reject(PassRefPtr<DOMError>); | |
65 | |
66 void then(PassOwnPtr<MIDISuccessCallback>, PassOwnPtr<MIDIErrorCallback>); | |
67 | |
68 void trace(Visitor*); | |
69 | |
70 private: | |
71 enum State { | |
72 Pending, | |
73 Accepted, | |
74 Rejected, | |
75 Invoked, | |
76 }; | |
77 | |
78 MIDIAccessPromise(ExecutionContext*, const Dictionary&); | |
79 | |
80 void clear(); | |
81 | |
82 State m_state; | |
83 OwnPtr<MIDISuccessCallback> m_successCallback; | |
84 OwnPtr<MIDIErrorCallback> m_errorCallback; | |
85 OwnPtr<MIDIOptions> m_options; | |
86 RefPtr<DOMError> m_error; | |
87 RefPtrWillBeMember<MIDIAccess> m_access; | |
88 }; | |
89 | |
90 } // namespace WebCore | |
91 | |
92 #endif // MIDIAccessPromise_h | |
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