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 WebUserGestureToken_h 32 #define WebUserGestureToken_h 33 34 #include "../platform/WebPrivatePtr.h" 35 36 namespace WebCore { 37 class UserGestureToken; 38 } 39 40 namespace blink { 41 42 // A WebUserGestureToken allows for storing the user gesture state of the 43 // currently active context and reinstantiating it later on to continue 44 // processing the user gesture in case it was not consumed meanwhile. 45 class WebUserGestureToken { 46 public: WebUserGestureToken()47 WebUserGestureToken() { } WebUserGestureToken(const WebUserGestureToken & other)48 WebUserGestureToken(const WebUserGestureToken& other) { assign(other); } 49 WebUserGestureToken& operator=(const WebUserGestureToken& other) 50 { 51 assign(other); 52 return *this; 53 } ~WebUserGestureToken()54 ~WebUserGestureToken() { reset(); } 55 56 BLINK_EXPORT bool hasGestures() const; 57 BLINK_EXPORT void setOutOfProcess(); 58 BLINK_EXPORT void setJavascriptPrompt(); isNull()59 bool isNull() const { return m_token.isNull(); } 60 61 #if BLINK_IMPLEMENTATION 62 explicit WebUserGestureToken(PassRefPtr<WebCore::UserGestureToken>); 63 operator PassRefPtr<WebCore::UserGestureToken>() const; 64 #endif 65 66 private: 67 BLINK_EXPORT void assign(const WebUserGestureToken&); 68 BLINK_EXPORT void reset(); 69 70 WebPrivatePtr<WebCore::UserGestureToken> m_token; 71 }; 72 73 } // namespace blink 74 75 #endif // WebUserGestureToken_h 76