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 CustomElementLifecycleCallbacks_h 32 #define CustomElementLifecycleCallbacks_h 33 34 #include "wtf/RefCounted.h" 35 #include "wtf/text/AtomicString.h" 36 37 namespace WebCore { 38 39 class Element; 40 41 class CustomElementLifecycleCallbacks : public RefCounted<CustomElementLifecycleCallbacks> { 42 public: 43 virtual ~CustomElementLifecycleCallbacks() { } 44 45 bool hasCreatedCallback() const { return m_which & Created; } 46 virtual void created(Element*) = 0; 47 48 bool hasAttachedCallback() const { return m_which & Attached; } 49 virtual void attached(Element*) = 0; 50 51 bool hasDetachedCallback() const { return m_which & Detached; } 52 virtual void detached(Element*) = 0; 53 54 bool hasAttributeChangedCallback() const { return m_which & AttributeChanged; } 55 virtual void attributeChanged(Element*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) = 0; 56 57 enum CallbackType { 58 None = 0, 59 Created = 1 << 0, 60 Attached = 1 << 1, 61 Detached = 1 << 2, 62 AttributeChanged = 1 << 3 63 }; 64 65 protected: 66 CustomElementLifecycleCallbacks(CallbackType which) : m_which(which) { } 67 68 private: 69 CallbackType m_which; 70 }; 71 72 } 73 74 #endif // CustomElementLifecycleCallbacks_h 75
