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| 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<CustomElementLifecycle
Callbacks> { | |
| 42 public: | |
| 43 virtual ~CustomElementLifecycleCallbacks() { } | |
| 44 | |
| 45 bool hasCreatedCallback() const { return m_which & Created; } | |
| 46 virtual void created(Element*) = 0; | |
| 47 | |
| 48 bool hasEnteredViewCallback() const { return m_which & EnteredView; } | |
| 49 virtual void enteredView(Element*) = 0; | |
| 50 | |
| 51 bool hasLeftViewCallback() const { return m_which & LeftView; } | |
| 52 virtual void leftView(Element*) = 0; | |
| 53 | |
| 54 bool hasAttributeChangedCallback() const { return m_which & AttributeChanged
; } | |
| 55 virtual void attributeChanged(Element*, const AtomicString& name, const Atom
icString& oldValue, const AtomicString& newValue) = 0; | |
| 56 | |
| 57 enum CallbackType { | |
| 58 None = 0, | |
| 59 Created = 1 << 0, | |
| 60 EnteredView = 1 << 1, | |
| 61 LeftView = 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 | |
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