Source/modules/webmidi/MIDIAccessPromise.h - Issue 77773003: Make WebMIDI use blink Promise.

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Issue 77773003: Make WebMIDI use blink Promise. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 7 years 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 "modules/webmidi/MIDIOptions.h"

37 #include "wtf/OwnPtr.h"

38 #include "wtf/PassRefPtr.h"

39 #include "wtf/RefCounted.h"

40

41 namespace WebCore {

42

43 class DOMError;

44 class MIDIAccess;

45 class MIDIErrorCallback;

46 class MIDISuccessCallback;

47 class ExecutionContext;

48

49 struct MIDIOptions;

50

51 class MIDIAccessPromise : public RefCounted<MIDIAccessPromise>, public ScriptWra ppable, public ActiveDOMObject {

52 public:

53 static PassRefPtr<MIDIAccessPromise> create(ExecutionContext*, const Diction ary&);

54 virtual ~MIDIAccessPromise();

55

56 // ActiveDOMObject

57 virtual bool hasPendingActivity() const OVERRIDE;

58 virtual void stop() OVERRIDE;

59

60 MIDIOptions* options() { return m_options.get(); }

61

62 void fulfill();

63 void reject(PassRefPtr<DOMError>);

64

65 void then(PassRefPtr<MIDISuccessCallback>, PassRefPtr<MIDIErrorCallback>);

66

67 private:

68 enum State {

69 Pending,

70 Accepted,

71 Rejected,

72 Invoked,

73 };

74

75 MIDIAccessPromise(ExecutionContext*, const Dictionary&);

76

77 void clear();

78

79 State m_state;

80 RefPtr<MIDISuccessCallback> m_successCallback;

81 RefPtr<MIDIErrorCallback> m_errorCallback;

82 OwnPtr<MIDIOptions> m_options;

83 RefPtr<DOMError> m_error;

84 RefPtr<MIDIAccess> m_access;

85 };

86

87 } // namespace WebCore

88

89 #endif // MIDIAccessPromise_h

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