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 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * 3. Neither the name of Google Inc. nor the names of its contributors 15 * may be used to endorse or promote products derived from this 16 * 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 CustomElementMicrotaskStep_h 32 #define CustomElementMicrotaskStep_h 33 34 #include "platform/heap/Handle.h" 35 #include "wtf/Noncopyable.h" 36 37 namespace blink { 38 39 class CustomElementMicrotaskStep : public NoBaseWillBeGarbageCollectedFinalized<CustomElementMicrotaskStep> { 40 WTF_MAKE_NONCOPYABLE(CustomElementMicrotaskStep); 41 public: 42 CustomElementMicrotaskStep() { } 43 virtual ~CustomElementMicrotaskStep() { } 44 45 enum Result { 46 Processing, 47 FinishedProcessing 48 }; 49 50 virtual Result process() = 0; 51 52 virtual void trace(Visitor*) { } 53 54 #if !defined(NDEBUG) 55 virtual void show(unsigned indent) = 0; 56 #endif 57 }; 58 59 } 60 61 #endif // CustomElementMicrotaskStep_h 62
