| /* |
| * Copyright (C) 2007, 2008 Apple 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: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 THIRD_PARTY_BLINK_RENDERER_CORE_DOM_STATIC_NODE_LIST_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_DOM_STATIC_NODE_LIST_H_ |
| |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/node_child_removal_tracker.h" |
| #include "third_party/blink/renderer/core/dom/node_list.h" |
| #include "third_party/blink/renderer/platform/bindings/trace_wrapper_member.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class Node; |
| |
| template <typename NodeType> |
| class StaticNodeTypeList final : public NodeList { |
| public: |
| static StaticNodeTypeList* Adopt(HeapVector<Member<NodeType>>& nodes); |
| |
| static StaticNodeTypeList* CreateEmpty() { |
| return MakeGarbageCollected<StaticNodeTypeList>(); |
| } |
| |
| ~StaticNodeTypeList() override; |
| |
| unsigned length() const override; |
| NodeType* item(unsigned index) const override; |
| |
| void Trace(blink::Visitor*) override; |
| |
| private: |
| HeapVector<TraceWrapperMember<NodeType>> nodes_; |
| }; |
| |
| using StaticNodeList = StaticNodeTypeList<Node>; |
| |
| template <typename NodeType> |
| StaticNodeTypeList<NodeType>* StaticNodeTypeList<NodeType>::Adopt( |
| HeapVector<Member<NodeType>>& nodes) { |
| StaticNodeTypeList<NodeType>* node_list = |
| MakeGarbageCollected<StaticNodeTypeList<NodeType>>(); |
| swap(node_list->nodes_, nodes); |
| return node_list; |
| } |
| |
| template <typename NodeType> |
| StaticNodeTypeList<NodeType>::~StaticNodeTypeList() = default; |
| |
| template <typename NodeType> |
| unsigned StaticNodeTypeList<NodeType>::length() const { |
| return nodes_.size(); |
| } |
| |
| template <typename NodeType> |
| NodeType* StaticNodeTypeList<NodeType>::item(unsigned index) const { |
| if (index < nodes_.size()) { |
| auto* node = nodes_[index].Get(); |
| if (node->GetDocument().InDOMNodeRemovedHandler() && |
| NodeChildRemovalTracker::IsBeingRemoved(node)) |
| node->GetDocument().CountDetachingNodeAccessInDOMNodeRemovedHandler(); |
| return node; |
| } |
| return nullptr; |
| } |
| |
| template <typename NodeType> |
| void StaticNodeTypeList<NodeType>::Trace(Visitor* visitor) { |
| visitor->Trace(nodes_); |
| NodeList::Trace(visitor); |
| } |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_DOM_STATIC_NODE_LIST_H_ |