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WebContent: Add more IPC endpoints for getting Elements
This patch adds `get_document_element()` and `query_selector_all()` which return Node's IDs. `get_document_element` returns the ID of the document element `query_selector_all` returns the IDs of all elements matching the selector starting at the Node associated with the start_node_id
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3 changed files with 41 additions and 0 deletions
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@ -2,6 +2,7 @@
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* Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
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* Copyright (c) 2022, Tobias Christiansen <tobyase@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -19,6 +20,7 @@
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#include <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/Cookie/ParsedCookie.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/NodeList.h>
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#include <LibWeb/Dump.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/Scripting/ClassicScript.h>
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@ -438,6 +440,39 @@ void ConnectionFromClient::js_console_request_messages(i32 start_index)
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m_console_client->send_messages(start_index);
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}
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Messages::WebContentServer::GetDocumentElementResponse ConnectionFromClient::get_document_element()
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{
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auto* document = page().top_level_browsing_context().active_document();
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if (!document)
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return { {} };
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return { document->id() };
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}
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Messages::WebContentServer::QuerySelectorAllResponse ConnectionFromClient::query_selector_all(i32 start_node_id, String const& selector)
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{
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auto* start_node = Web::DOM::Node::from_id(start_node_id);
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if (!start_node)
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return { {} };
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if (!start_node->is_element() && !start_node->is_document())
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return { {} };
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auto& start_element = verify_cast<Web::DOM::ParentNode>(*start_node);
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auto result = start_element.query_selector_all(selector);
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if (result.is_error())
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return { {} };
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auto element_list = result.release_value();
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Vector<i32> return_list;
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for (u32 i = 0; i < element_list->length(); i++) {
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auto node = element_list->item(i);
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return_list.append(node->id());
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}
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return { return_list };
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}
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Messages::WebContentServer::GetSelectedTextResponse ConnectionFromClient::get_selected_text()
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{
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return page().focused_context().selected_text();
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