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Code Issues Activity Actions

TextEditor: Don't launch a WebContent process until it's needed

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The HTML and Markdown preview modes both use an OutOfProcessWebView to
render the preview pane, and we were instantiating this view from GML.
This caused us to always spawn a WebContent process alongside every
TextEditor instance.

Fix this by deferring the OOPWV construction until we actually need it.
This makes launching TextEditor on a text file quite a bit faster. :^)
This commit is contained in:
Andreas Kling 2021-05-20 22:00:31 +02:00
parent e95e64972c
commit 1e0d855fdf
3 changed files with 44 additions and 22 deletions
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56
Userland/Applications/TextEditor/MainWidget.cpp
View file

@ -67,23 +67,6 @@ MainWidget::MainWidget()
window()->set_modified(modified);
};
m_page_view = *find_descendant_of_type_named<Web::OutOfProcessWebView>("webview");
m_page_view->on_link_hover = [this](auto& url) {
if (url.is_valid())
m_statusbar->set_text(url.to_string());
else
update_statusbar();
};
m_page_view->on_link_click = [&](auto& url, auto&, unsigned) {
if (!Desktop::Launcher::open(url)) {
GUI::MessageBox::show(
window(),
String::formatted("The link to '{}' could not be opened.", url),
"Failed to open link",
GUI::MessageBox::Type::Error);
}
};
m_find_replace_widget = *find_descendant_of_type_named<GUI::GroupBox>("find_replace_widget");
m_find_widget = *find_descendant_of_type_named<GUI::Widget>("find_widget");
m_replace_widget = *find_descendant_of_type_named<GUI::Widget>("replace_widget");
@ -347,6 +330,30 @@ MainWidget::~MainWidget()
{
}
Web::OutOfProcessWebView& MainWidget::ensure_web_view()
{
if (!m_page_view) {
auto& web_view_container = *find_descendant_of_type_named<GUI::Widget>("web_view_container");
m_page_view = web_view_container.add<Web::OutOfProcessWebView>();
m_page_view->on_link_hover = [this](auto& url) {
if (url.is_valid())
m_statusbar->set_text(url.to_string());
else
update_statusbar();
};
m_page_view->on_link_click = [&](auto& url, auto&, unsigned) {
if (!Desktop::Launcher::open(url)) {
GUI::MessageBox::show(
window(),
String::formatted("The link to '{}' could not be opened.", url),
"Failed to open link",
GUI::MessageBox::Type::Error);
}
};
}
return *m_page_view;
}
void MainWidget::initialize_menubar(GUI::Menubar& menubar)
{
auto& file_menu = menubar.add_menu("&File");
@ -691,6 +698,15 @@ void MainWidget::drop_event(GUI::DropEvent& event)
}
}
void MainWidget::set_web_view_visible(bool visible)
{
if (!visible && !m_page_view)
return;
ensure_web_view();
auto& web_view_container = *find_descendant_of_type_named<GUI::Widget>("web_view_container");
web_view_container.set_visible(visible);
}
void MainWidget::set_preview_mode(PreviewMode mode)
{
if (m_preview_mode == mode)
@ -699,15 +715,15 @@ void MainWidget::set_preview_mode(PreviewMode mode)
if (m_preview_mode == PreviewMode::HTML) {
m_html_preview_action->set_checked(true);
m_page_view->set_visible(true);
set_web_view_visible(true);
update_html_preview();
} else if (m_preview_mode == PreviewMode::Markdown) {
m_markdown_preview_action->set_checked(true);
m_page_view->set_visible(true);
set_web_view_visible(true);
update_markdown_preview();
} else {
m_no_preview_action->set_checked(true);
m_page_view->set_visible(false);
set_web_view_visible(false);
}
}