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cdp: sent setchildnodes once per node

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This commit is contained in:
Pierre Tachoire
2025-05-02 22:10:26 +02:00
parent 9373cf9cf6
commit f884627927
2 changed files with 6 additions and 4 deletions
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2
src/cdp/Node.zig
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@@ -29,6 +29,7 @@ const Node = @This();
id: Id,
_node: *parser.Node,
set_child_nodes_event: bool,
// Whenever we send a node to the client, we register it here for future lookup.
// We maintain a node -> id and id -> node lookup.
@@ -85,6 +86,7 @@ pub const Registry = struct {
node.* = .{
._node = n,
.id = id,
.set_child_nodes_event = false,
};
node_lookup_gop.value_ptr.* = node;

8
src/cdp/domains/dom.zig
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@@ -89,7 +89,7 @@ fn performSearch(cmd: anytype) !void {
// dispatchSetChildNodes send the setChildNodes event for the whole DOM tree
// hierarchy of each nodes.
// We dispatch event in the reverse order: from the top level to the direct parents.
// TODO we should dispatch a node only if it has never been sent.
// We should dispatch a node only if it has never been sent.
fn dispatchSetChildNodes(cmd: anytype, nodes: []*parser.Node) !void {
const arena = cmd.arena;
const bc = cmd.browser_context orelse return error.BrowserContextNotLoaded;
@@ -103,6 +103,7 @@ fn dispatchSetChildNodes(cmd: anytype, nodes: []*parser.Node) !void {
// Register the node.
const node = try bc.node_registry.register(p);
if (node.set_child_nodes_event) break;
try parents.append(arena, node);
n = p;
}
@@ -111,14 +112,13 @@ fn dispatchSetChildNodes(cmd: anytype, nodes: []*parser.Node) !void {
const plen = parents.items.len;
if (plen == 0) return;
var uniq: std.AutoHashMapUnmanaged(Node.Id, bool) = .{};
var i: usize = plen;
while (i > 0) {
i -= 1;
const node = parents.items[i];
if (node.set_child_nodes_event) continue;
if (uniq.contains(node.id)) continue;
try uniq.putNoClobber(arena, node.id, true);
node.set_child_nodes_event = true;
// If the node has no parent, it's the root node.
// We don't dispatch event for it because we assume the root node is