Welcome: Get LibWeb to parse Markdown documents for us

Author: https://github.com/AtkinsSJ
Commit: https://github.com/SerenityOS/serenity/commit/1da53ef854
Pull-request: https://github.com/SerenityOS/serenity/pull/15365
Reviewed-by: https://github.com/linusg ✅

Userland/Applications/Welcome/WelcomeWidget.cpp

@@ -17,9 +17,7 @@
 #include <LibGUI/Process.h>
 #include <LibGfx/Font/BitmapFont.h>
 #include <LibGfx/Palette.h>
-#include <LibMarkdown/Document.h>
 #include <LibWebView/OutOfProcessWebView.h>
-#include <serenity.h>
 
 WelcomeWidget::WelcomeWidget()
 {
@@ -104,15 +102,7 @@ void WelcomeWidget::open_and_parse_tips_file()
 
 void WelcomeWidget::open_and_parse_readme_file()
 {
-    auto file = Core::File::construct("/home/anon/README.md");
-    if (!file->open(Core::OpenMode::ReadOnly))
-        return;
-
-    auto document = Markdown::Document::parse(file->read_all());
-    if (document) {
-        auto html = document->render_to_html();
-        m_web_view->load_html(html, URL::create_with_file_protocol("/home/anon/README.md"));
-    }
+    m_web_view->load(URL::create_with_file_scheme("/home/anon/README.md"));
 }
 
 void WelcomeWidget::set_random_tip()

Userland/Applications/Welcome/main.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, the SerenityOS developers.
+ * Copyright (c) 2021-2022, the SerenityOS developers.
  *
  * SPDX-License-Identifier: BSD-2-Clause
  */
@@ -11,7 +11,6 @@
 #include <LibGUI/Icon.h>
 #include <LibGUI/Window.h>
 #include <LibMain/Main.h>
-#include <unistd.h>
 
 ErrorOr<int> serenity_main(Main::Arguments arguments)
 {
@@ -22,6 +21,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     TRY(Core::System::unveil("/res", "r"));
     TRY(Core::System::unveil("/home", "r"));
+    TRY(Core::System::unveil("/tmp/user/%uid/portal/filesystemaccess", "rw"));
     TRY(Core::System::unveil("/tmp/user/%uid/portal/webcontent", "rw"));
     TRY(Core::System::unveil("/bin/Help", "x"));
     TRY(Core::System::unveil(nullptr, nullptr));