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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 ScriptExecutionContext; |
| 48 |
| 49 struct MIDIOptions; |
| 50 |
| 51 class MIDIAccessPromise : public RefCounted<MIDIAccessPromise>, public ScriptWra
ppable, public ActiveDOMObject { |
| 52 public: |
| 53 static PassRefPtr<MIDIAccessPromise> create(ScriptExecutionContext*, const D
ictionary&); |
| 54 virtual ~MIDIAccessPromise(); |
| 55 |
| 56 void then(PassRefPtr<MIDISuccessCallback>, PassRefPtr<MIDIErrorCallback>); |
| 57 |
| 58 // ActiveDOMObject |
| 59 virtual bool canSuspend() const OVERRIDE { return true; } |
| 60 |
| 61 void fulfill(); |
| 62 void reject(DOMError*); |
| 63 |
| 64 private: |
| 65 enum State { |
| 66 Pending, |
| 67 Accepted, |
| 68 Rejected, |
| 69 Invoked, |
| 70 }; |
| 71 |
| 72 MIDIAccessPromise(ScriptExecutionContext*, const Dictionary&); |
| 73 |
| 74 State m_state; |
| 75 RefPtr<MIDISuccessCallback> m_successCallback; |
| 76 RefPtr<MIDIErrorCallback> m_errorCallback; |
| 77 OwnPtr<MIDIOptions> m_options; |
| 78 RefPtr<DOMError> m_error; |
| 79 RefPtr<MIDIAccess> m_access; |
| 80 }; |
| 81 |
| 82 } // namespace WebCore |
| 83 |
| 84 #endif // MIDIAccessPromise_h |
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