| #include "third_party/blink/renderer/core/inspector/dom_traversal_utils.h" |
| |
| #include "third_party/blink/renderer/core/dom/flat_tree_traversal.h" |
| #include "third_party/blink/renderer/core/dom/node.h" |
| #include "third_party/blink/renderer/core/dom/shadow_root.h" |
| |
| namespace blink { |
| namespace dom_traversal_utils { |
| |
| Node* FirstChild(const Node& node, bool include_user_agent_shadow_tree) { |
| DCHECK(include_user_agent_shadow_tree || !node.IsInUserAgentShadowRoot()); |
| if (!include_user_agent_shadow_tree) { |
| ShadowRoot* shadow_root = node.GetShadowRoot(); |
| if (shadow_root && shadow_root->GetType() == ShadowRootType::kUserAgent) |
| return node.firstChild(); |
| } |
| return FlatTreeTraversal::FirstChild(node); |
| } |
| |
| // static |
| bool HasChildren(const Node& node, bool include_user_agent_shadow_tree) { |
| return FirstChild(node, include_user_agent_shadow_tree); |
| } |
| |
| // static |
| Node* NextSibling(const Node& node, bool include_user_agent_shadow_tree) { |
| DCHECK(include_user_agent_shadow_tree || !node.IsInUserAgentShadowRoot()); |
| if (!include_user_agent_shadow_tree) { |
| if (node.ParentElementShadowRoot() && |
| node.ParentElementShadowRoot()->GetType() == |
| ShadowRootType::kUserAgent) { |
| return node.nextSibling(); |
| } |
| } |
| return FlatTreeTraversal::NextSibling(node); |
| } |
| |
| } // namespace dom_traversal_utils |
| } // namespace blink |
