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 WebMIDIPermissionRequest_h 32 #define WebMIDIPermissionRequest_h 33 34 #include "../platform/WebCommon.h" 35 #include "../platform/WebPrivatePtr.h" 36 37 namespace WebCore { 38 class MIDIAccess; 39 } 40 41 namespace blink { 42 43 class WebSecurityOrigin; 44 45 // WebMIDIPermissionRequest encapsulates a WebCore MIDIAccess object and represents 46 // a request from WebCore for permissions. 47 // The underlying MIDIAccess object is guaranteed to be valid until the invocation of 48 // either WebMIDIPermissionRequest::setIsAllowed (request complete) or 49 // WebMIDIClient::cancelPermissionRequest (request canceled). 50 class WebMIDIPermissionRequest { 51 public: 52 WebMIDIPermissionRequest(const WebMIDIPermissionRequest& o) { assign(o); } 53 ~WebMIDIPermissionRequest() { reset(); }; 54 55 BLINK_EXPORT WebSecurityOrigin securityOrigin() const; 56 BLINK_EXPORT void setIsAllowed(bool); 57 58 BLINK_EXPORT void reset(); 59 BLINK_EXPORT void assign(const WebMIDIPermissionRequest&); 60 BLINK_EXPORT bool equals(const WebMIDIPermissionRequest&) const; 61 62 #if BLINK_IMPLEMENTATION 63 explicit WebMIDIPermissionRequest(const PassRefPtr<WebCore::MIDIAccess>&); 64 explicit WebMIDIPermissionRequest(WebCore::MIDIAccess*); 65 66 WebCore::MIDIAccess* midiAccess() const { return m_private.get(); } 67 #endif 68 69 private: 70 WebPrivatePtr<WebCore::MIDIAccess> m_private; 71 }; 72 73 inline bool operator==(const WebMIDIPermissionRequest& a, const WebMIDIPermissionRequest& b) 74 { 75 return a.equals(b); 76 } 77 78 inline bool operator!=(const WebMIDIPermissionRequest& a, const WebMIDIPermissionRequest& b) 79 { 80 return !(a == b); 81 } 82 83 } // namespace blink 84 85 #endif // WebMIDIPermissionRequest_h 86
