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@@ -1,234 +0,0 @@
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-/*
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- * Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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- *
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- * SPDX-License-Identifier: BSD-2-Clause
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- */
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-
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-#include <AK/StringBuilder.h>
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-#include <LibJS/MarkupGenerator.h>
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-#include <LibWebView/ConsoleClient.h>
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-#include <LibWebView/ViewImplementation.h>
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-
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-namespace WebView {
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-
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-static constexpr auto CONSOLE_HTML = "data:text/html,<html style=\"font: 10pt monospace;\"></html>"sv;
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-
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-// FIXME: It should be sufficient to scrollTo a y value of document.documentElement.offsetHeight,
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-// but due to an unknown bug offsetHeight seems to not be properly updated after spamming
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-// a lot of document changes.
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-//
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-// The setTimeout makes the scrollTo async and allows the DOM to be updated.
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-static constexpr auto SCROLL_TO_BOTTOM = "setTimeout(function() { window.scrollTo(0, 1_000_000_000); }, 0);"sv;
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-
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-ConsoleClient::ConsoleClient(ViewImplementation& content_web_view, ViewImplementation& console_web_view)
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- : m_content_web_view(content_web_view)
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- , m_console_web_view(console_web_view)
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-{
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- m_content_web_view.on_received_console_message = [this](auto message_index) {
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- handle_console_message(message_index);
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- };
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-
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- m_content_web_view.on_received_console_messages = [this](auto start_index, auto const& message_types, auto const& messages) {
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- handle_console_messages(start_index, message_types, messages);
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- };
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-
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- // Wait until our output WebView is loaded, and then request any messages that occurred before we existed.
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- m_console_web_view.on_load_finish = [this](auto const&) {
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- m_content_web_view.js_console_request_messages(0);
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- };
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-
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- m_console_web_view.use_native_user_style_sheet();
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- m_console_web_view.load(CONSOLE_HTML);
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-}
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-
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-ConsoleClient::~ConsoleClient()
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-{
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- m_content_web_view.on_received_console_message = nullptr;
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- m_content_web_view.on_received_console_messages = nullptr;
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-}
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-
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-void ConsoleClient::execute(String script)
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-{
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- print_source(script);
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- m_content_web_view.js_console_input(script.to_deprecated_string());
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-
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- if (m_history.is_empty() || m_history.last() != script) {
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- m_history.append(move(script));
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- m_history_index = m_history.size();
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- }
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-}
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-
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-Optional<String> ConsoleClient::previous_history_item()
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-{
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- if (m_history_index == 0)
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- return {};
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-
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- --m_history_index;
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- return m_history.at(m_history_index);
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-}
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-
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-Optional<String> ConsoleClient::next_history_item()
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-{
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- if (m_history.is_empty())
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- return {};
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-
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- auto last_index = m_history.size() - 1;
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-
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- if (m_history_index < last_index) {
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- ++m_history_index;
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- return m_history.at(m_history_index);
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- }
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-
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- if (m_history_index == last_index) {
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- ++m_history_index;
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- return String {};
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- }
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-
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- return {};
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-}
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-
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-void ConsoleClient::clear()
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-{
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- m_console_web_view.run_javascript("document.body.innerHTML = \"\";"sv);
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- m_group_stack.clear();
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-}
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-
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-void ConsoleClient::reset()
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-{
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- clear();
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-
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- m_highest_notified_message_index = -1;
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- m_highest_received_message_index = -1;
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- m_waiting_for_messages = false;
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-}
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-
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-void ConsoleClient::handle_console_message(i32 message_index)
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-{
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- if (message_index <= m_highest_received_message_index) {
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- dbgln("Notified about console message we already have");
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- return;
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- }
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- if (message_index <= m_highest_notified_message_index) {
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- dbgln("Notified about console message we're already aware of");
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- return;
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- }
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-
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- m_highest_notified_message_index = message_index;
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-
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- if (!m_waiting_for_messages)
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- request_console_messages();
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-}
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-
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-void ConsoleClient::handle_console_messages(i32 start_index, ReadonlySpan<DeprecatedString> message_types, ReadonlySpan<DeprecatedString> messages)
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-{
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- auto end_index = start_index + static_cast<i32>(message_types.size()) - 1;
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- if (end_index <= m_highest_received_message_index) {
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- dbgln("Received old console messages");
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- return;
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- }
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-
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- for (size_t i = 0; i < message_types.size(); ++i) {
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- auto const& type = message_types[i];
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- auto const& message = messages[i];
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-
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- if (type == "html"sv)
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- print_html(message);
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- else if (type == "clear"sv)
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- clear();
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- else if (type == "group"sv)
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- begin_group(message, true);
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- else if (type == "groupCollapsed"sv)
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- begin_group(message, false);
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- else if (type == "groupEnd"sv)
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- end_group();
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- else
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- VERIFY_NOT_REACHED();
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- }
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-
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- m_highest_received_message_index = end_index;
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- m_waiting_for_messages = false;
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-
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- if (m_highest_received_message_index < m_highest_notified_message_index)
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- request_console_messages();
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-}
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-
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-void ConsoleClient::print_source(StringView source)
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-{
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- StringBuilder builder;
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-
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- builder.append("<span class=\"repl-indicator\">> </span>"sv);
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- builder.append(MUST(JS::MarkupGenerator::html_from_source(source)));
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-
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- print_html(builder.string_view());
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-}
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-
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-void ConsoleClient::print_html(StringView html)
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-{
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- StringBuilder builder;
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-
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- if (m_group_stack.is_empty())
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- builder.append("var parentGroup = document.body;"sv);
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- else
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- builder.appendff("var parentGroup = document.getElementById(\"group_{}\");", m_group_stack.last().id);
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-
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- builder.append(R"~~~(
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- var p = document.createElement("p");
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- p.innerHTML = ")~~~"sv);
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- builder.append_escaped_for_json(html);
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- builder.append(R"~~~("
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- parentGroup.appendChild(p);
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-)~~~"sv);
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-
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- builder.append(SCROLL_TO_BOTTOM);
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-
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- m_console_web_view.run_javascript(builder.string_view());
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-}
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-
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-void ConsoleClient::request_console_messages()
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-{
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- VERIFY(!m_waiting_for_messages);
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-
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- m_content_web_view.js_console_request_messages(m_highest_received_message_index + 1);
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- m_waiting_for_messages = true;
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-}
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-
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-void ConsoleClient::begin_group(StringView label, bool start_expanded)
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-{
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- StringBuilder builder;
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-
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- if (m_group_stack.is_empty())
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- builder.append("var parentGroup = document.body;"sv);
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- else
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- builder.appendff("var parentGroup = document.getElementById(\"group_{}\");", m_group_stack.last().id);
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-
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- Group group;
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- group.id = m_next_group_id++;
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- group.label = label;
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-
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- builder.appendff(R"~~~(
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- var group = document.createElement("details");
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- group.id = "group_{}";
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- var label = document.createElement("summary");
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- label.innerHTML = ")~~~",
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- group.id);
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- builder.append_escaped_for_json(label);
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- builder.append(R"~~~(";
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- group.appendChild(label);
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- parentGroup.appendChild(group);
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-)~~~"sv);
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-
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- if (start_expanded)
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- builder.append("group.open = true;"sv);
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-
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- builder.append(SCROLL_TO_BOTTOM);
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-
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- m_console_web_view.run_javascript(builder.string_view());
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- m_group_stack.append(group);
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-}
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-
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-void ConsoleClient::end_group()
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-{
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- m_group_stack.take_last();
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-}
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-
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-}
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Timothy Flynn