| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef CustomElementLifecycleCallbacks_h |
| #define CustomElementLifecycleCallbacks_h |
| |
| #include "wtf/RefCounted.h" |
| #include "wtf/text/AtomicString.h" |
| |
| namespace WebCore { |
| |
| class Element; |
| |
| class CustomElementLifecycleCallbacks : public RefCounted<CustomElementLifecycleCallbacks> { |
| public: |
| virtual ~CustomElementLifecycleCallbacks() { } |
| |
| bool hasCreatedCallback() const { return m_which & Created; } |
| virtual void created(Element*) = 0; |
| |
| bool hasEnteredViewCallback() const { return m_which & EnteredView; } |
| virtual void enteredView(Element*) = 0; |
| |
| bool hasLeftViewCallback() const { return m_which & LeftView; } |
| virtual void leftView(Element*) = 0; |
| |
| bool hasAttributeChangedCallback() const { return m_which & AttributeChanged; } |
| virtual void attributeChanged(Element*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) = 0; |
| |
| enum CallbackType { |
| None = 0, |
| Created = 1 << 0, |
| EnteredView = 1 << 1, |
| LeftView = 1 << 2, |
| AttributeChanged = 1 << 3 |
| }; |
| |
| protected: |
| CustomElementLifecycleCallbacks(CallbackType which) : m_which(which) { } |
| |
| private: |
| CallbackType m_which; |
| }; |
| |
| } |
| |
| #endif // CustomElementLifecycleCallbacks_h |