1 /* 2 * Copyright (C) 2010 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 WebDOMEvent_h 32 #define WebDOMEvent_h 33 34 #include "WebCommon.h" 35 #include "WebNode.h" 36 #include "WebString.h" 37 38 namespace WebCore { class Event; } 39 #if WEBKIT_IMPLEMENTATION 40 namespace WTF { template <typename T> class PassRefPtr; } 41 #endif 42 43 namespace WebKit { 44 45 class WebDOMEvent { 46 public: 47 enum PhaseType { 48 CapturingPhase = 1, 49 AtTarget = 2, 50 BubblingPhase = 3 51 }; 52 ~WebDOMEvent()53 ~WebDOMEvent() { reset(); } 54 WebDOMEvent()55 WebDOMEvent() : m_private(0) { } WebDOMEvent(const WebDOMEvent & e)56 WebDOMEvent(const WebDOMEvent& e) : m_private(0) { assign(e); } 57 WebDOMEvent& operator=(const WebDOMEvent& e) 58 { 59 assign(e); 60 return *this; 61 } 62 63 WEBKIT_API void reset(); 64 WEBKIT_API void assign(const WebDOMEvent&); 65 isNull()66 bool isNull() const { return !m_private; } 67 68 WEBKIT_API WebString type() const; 69 WEBKIT_API WebNode target() const; 70 WEBKIT_API WebNode currentTarget() const; 71 72 WEBKIT_API PhaseType eventPhase() const; 73 WEBKIT_API bool bubbles() const; 74 WEBKIT_API bool cancelable() const; 75 76 WEBKIT_API bool isUIEvent() const; 77 WEBKIT_API bool isMouseEvent() const; 78 WEBKIT_API bool isMutationEvent() const; 79 WEBKIT_API bool isKeyboardEvent() const; 80 WEBKIT_API bool isTextEvent() const; 81 WEBKIT_API bool isCompositionEvent() const; 82 WEBKIT_API bool isDragEvent() const; 83 WEBKIT_API bool isClipboardEvent() const; 84 WEBKIT_API bool isMessageEvent() const; 85 WEBKIT_API bool isWheelEvent() const; 86 WEBKIT_API bool isBeforeTextInsertedEvent() const; 87 WEBKIT_API bool isOverflowEvent() const; 88 WEBKIT_API bool isPageTransitionEvent() const; 89 WEBKIT_API bool isPopStateEvent() const; 90 WEBKIT_API bool isProgressEvent() const; 91 WEBKIT_API bool isXMLHttpRequestProgressEvent() const; 92 WEBKIT_API bool isWebKitAnimationEvent() const; 93 WEBKIT_API bool isWebKitTransitionEvent() const; 94 WEBKIT_API bool isBeforeLoadEvent() const; 95 96 #if WEBKIT_IMPLEMENTATION 97 WebDOMEvent(const WTF::PassRefPtr<WebCore::Event>&); 98 #endif 99 to()100 template<typename T> T to() 101 { 102 T res; 103 res.WebDOMEvent::assign(*this); 104 return res; 105 } 106 toConst()107 template<typename T> const T toConst() const 108 { 109 T res; 110 res.WebDOMEvent::assign(*this); 111 return res; 112 } 113 114 protected: 115 typedef WebCore::Event WebDOMEventPrivate; 116 void assign(WebDOMEventPrivate*); 117 WebDOMEventPrivate* m_private; 118 unwrap()119 template<typename T> T* unwrap() 120 { 121 return static_cast<T*>(m_private); 122 } 123 constUnwrap()124 template<typename T> const T* constUnwrap() const 125 { 126 return static_cast<const T*>(m_private); 127 } 128 }; 129 130 } // namespace WebKit 131 132 #endif 133