1 /* 2 * Copyright (C) 2011 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 THIRD_PARTY_BLINK_RENDERER_CORE_DOM_MUTATION_RECORD_H_ 32 #define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_MUTATION_RECORD_H_ 33 34 #include "third_party/blink/renderer/core/core_export.h" 35 #include "third_party/blink/renderer/core/dom/static_node_list.h" 36 #include "third_party/blink/renderer/core/probe/async_task_id.h" 37 #include "third_party/blink/renderer/platform/bindings/script_wrappable.h" 38 #include "third_party/blink/renderer/platform/heap/handle.h" 39 #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" 40 41 namespace blink { 42 43 class Node; 44 class QualifiedName; 45 46 using StaticNodeList = StaticNodeTypeList<Node>; 47 48 class CORE_EXPORT MutationRecord : public ScriptWrappable { 49 DEFINE_WRAPPERTYPEINFO(); 50 51 public: 52 static MutationRecord* CreateChildList(Node* target, 53 StaticNodeList* added, 54 StaticNodeList* removed, 55 Node* previous_sibling, 56 Node* next_sibling); 57 static MutationRecord* CreateAttributes(Node* target, 58 const QualifiedName&, 59 const AtomicString& old_value); 60 static MutationRecord* CreateCharacterData(Node* target, 61 const String& old_value); 62 static MutationRecord* CreateWithNullOldValue(MutationRecord*); 63 64 MutationRecord() = default; 65 66 ~MutationRecord() override; 67 68 virtual const AtomicString& type() = 0; 69 virtual Node* target() = 0; 70 71 virtual StaticNodeList* addedNodes() = 0; 72 virtual StaticNodeList* removedNodes() = 0; previousSibling()73 virtual Node* previousSibling() { return nullptr; } nextSibling()74 virtual Node* nextSibling() { return nullptr; } 75 attributeName()76 virtual const AtomicString& attributeName() { return g_null_atom; } attributeNamespace()77 virtual const AtomicString& attributeNamespace() { return g_null_atom; } 78 oldValue()79 virtual String oldValue() { return String(); } 80 async_task_id()81 probe::AsyncTaskId* async_task_id() { return &async_task_id_; } 82 83 private: 84 probe::AsyncTaskId async_task_id_; 85 }; 86 87 } // namespace blink 88 89 #endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_MUTATION_RECORD_H_ 90