mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 23:50:19 +00:00
183 lines
5.4 KiB
C++
183 lines
5.4 KiB
C++
/*
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* Copyright (c) 2020, Hunter Salyer <thefalsehonesty@gmail.com>
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* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "ConsoleWidget.h"
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#include "Utilities.h"
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#include "WebContentView.h"
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#include <AK/StringBuilder.h>
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#include <LibJS/MarkupGenerator.h>
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#include <QFontDatabase>
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#include <QLineEdit>
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#include <QPalette>
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#include <QPushButton>
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#include <QTextEdit>
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#include <QVBoxLayout>
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bool is_using_dark_system_theme(QWidget&);
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namespace Ladybird {
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ConsoleWidget::ConsoleWidget()
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{
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setLayout(new QVBoxLayout);
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m_output_view = new WebContentView({}, WebView::EnableCallgrindProfiling::No, WebView::UseJavaScriptBytecode::No);
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if (is_using_dark_system_theme(*this))
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m_output_view->update_palette(WebContentView::PaletteMode::Dark);
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m_output_view->load("data:text/html,<html style=\"font: 10pt monospace;\"></html>"sv);
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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_output_view->on_load_finish = [this](auto&) {
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if (on_request_messages)
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on_request_messages(0);
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};
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layout()->addWidget(m_output_view);
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auto* bottom_container = new QWidget(this);
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bottom_container->setLayout(new QHBoxLayout);
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layout()->addWidget(bottom_container);
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m_input = new QLineEdit(bottom_container);
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m_input->setFont(QFontDatabase::systemFont(QFontDatabase::FixedFont));
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bottom_container->layout()->addWidget(m_input);
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QObject::connect(m_input, &QLineEdit::returnPressed, [this] {
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auto js_source = ak_deprecated_string_from_qstring(m_input->text());
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if (js_source.is_whitespace())
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return;
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m_input->clear();
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print_source_line(js_source);
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if (on_js_input)
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on_js_input(js_source);
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});
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setFocusProxy(m_input);
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auto* clear_button = new QPushButton(bottom_container);
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bottom_container->layout()->addWidget(clear_button);
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clear_button->setFixedSize(22, 22);
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clear_button->setText("X");
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clear_button->setToolTip("Clear the console output");
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QObject::connect(clear_button, &QPushButton::pressed, [this] {
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clear_output();
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});
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m_input->setFocus();
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}
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void ConsoleWidget::request_console_messages()
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{
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VERIFY(!m_waiting_for_messages);
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VERIFY(on_request_messages);
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on_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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void ConsoleWidget::notify_about_new_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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m_highest_notified_message_index = message_index;
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if (!m_waiting_for_messages)
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request_console_messages();
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}
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void ConsoleWidget::handle_console_messages(i32 start_index, Vector<DeprecatedString> const& message_types, Vector<DeprecatedString> const& messages)
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{
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i32 end_index = start_index + 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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for (size_t i = 0; i < message_types.size(); i++) {
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auto& type = message_types[i];
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auto& message = messages[i];
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if (type == "html") {
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print_html(message);
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} else if (type == "clear") {
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clear_output();
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} else if (type == "group") {
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// FIXME: Implement.
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} else if (type == "groupCollapsed") {
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// FIXME: Implement.
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} else if (type == "groupEnd") {
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// FIXME: Implement.
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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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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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void ConsoleWidget::print_source_line(StringView source)
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{
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StringBuilder html;
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html.append("<span class=\"repl-indicator\">"sv);
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html.append("> "sv);
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html.append("</span>"sv);
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html.append(JS::MarkupGenerator::html_from_source(source).release_value_but_fixme_should_propagate_errors());
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print_html(html.string_view());
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}
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void ConsoleWidget::print_html(StringView line)
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{
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StringBuilder builder;
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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(line);
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builder.append(R"~~~("
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document.body.appendChild(p);
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)~~~"sv);
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// FIXME: Make it scroll to the bottom, using `window.scrollTo()` in the JS above.
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// We used to call `m_output_view->scroll_to_bottom();` here, but that does not work because
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// it runs synchronously, meaning it happens before the HTML is output via IPC above.
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m_output_view->run_javascript(builder.string_view());
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}
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void ConsoleWidget::clear_output()
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{
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m_output_view->run_javascript(R"~~~(
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document.body.innerHTML = "";
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)~~~"sv);
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}
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void ConsoleWidget::reset()
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{
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clear_output();
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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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