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