| Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 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 hasEnteredDocumentCallback() const { return m_which & EnteredDocument; } |
| 49 | virtual void enteredDocument(Element*) = 0; |
| 50 | |
| 51 | bool hasLeftDocumentCallback() const { return m_which & LeftDocument; } |
| 52 | virtual void leftDocument(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 | EnteredDocument = 1 << 1, |
| 61 | LeftDocument = 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 |