From a2b0cc8f08f5f082bbbf3f2c73cf8b2d2115ede9 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Fri, 3 Apr 2020 18:10:20 +0200
Subject: [PATCH] LibWeb: Add "navigator" object and expose navigator.userAgent

A lot of web content looks for this property. We'll probably have to
tweak this as we go, but at least now we have it. :^)
---
 Base/home/anon/www/welcome.html               |  9 +++-
 Libraries/LibWeb/Bindings/NavigatorObject.cpp | 48 +++++++++++++++++++
 Libraries/LibWeb/Bindings/NavigatorObject.h   | 45 +++++++++++++++++
 Libraries/LibWeb/Bindings/WindowObject.cpp    |  4 +-
 4 files changed, 104 insertions(+), 2 deletions(-)
 create mode 100644 Libraries/LibWeb/Bindings/NavigatorObject.cpp
 create mode 100644 Libraries/LibWeb/Bindings/NavigatorObject.h
diff --git a/Base/home/anon/www/welcome.html b/Base/home/anon/www/welcome.html
index 01a80d67f7..3084977afe 100644
--- a/Base/home/anon/www/welcome.html
+++ b/Base/home/anon/www/welcome.html
@@ -16,11 +16,18 @@ body {
 h1 {
     color: #a00;
 }
+span#ua {
+    color: red;
+}
 </style>
+<script>
+document.getElementById("ua").innerHTML = navigator.userAgent;
+</script>
 </head>
 <body link="#44f" vlink="#c4c" background="90s-bg.png">
     <h1>Welcome to the Serenity Browser!</h1>
-    <p>This is a very simple browser built on the LibWeb engine.</p>
+    <p>This is a very simple browser built on the LibWeb and LibJS engines.</p>
+    <p>Your user agent is: <span id="ua"></span></p>
     <p>Some small test pages:</p>
     <ul>
         <li><a href="qsa.html">querySelectorAll test</a></li>
diff --git a/Libraries/LibWeb/Bindings/NavigatorObject.cpp b/Libraries/LibWeb/Bindings/NavigatorObject.cpp
new file mode 100644
index 0000000000..0940510b71
--- /dev/null
+++ b/Libraries/LibWeb/Bindings/NavigatorObject.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <AK/FlyString.h>
+#include <LibWeb/Bindings/NavigatorObject.h>
+
+namespace Web {
+namespace Bindings {
+
+NavigatorObject::NavigatorObject()
+{
+    put("appCodeName", js_string(heap(), "Mozilla"));
+    put("appName", js_string(heap(), "Netscape"));
+    put("appVersion", js_string(heap(), "4.0"));
+    put("platform", js_string(heap(), "SerenityOS"));
+    put("product", js_string(heap(), "Gecko"));
+    put("userAgent", js_string(heap(), "Mozilla/4.0 (SerenityOS; x86) LibWeb+LibJS (Not KHTML, nor Gecko) LibWeb"));
+}
+
+NavigatorObject::~NavigatorObject()
+{
+}
+
+}
+}
diff --git a/Libraries/LibWeb/Bindings/NavigatorObject.h b/Libraries/LibWeb/Bindings/NavigatorObject.h
new file mode 100644
index 0000000000..3052c2fc8e
--- /dev/null
+++ b/Libraries/LibWeb/Bindings/NavigatorObject.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <LibJS/Runtime/Object.h>
+#include <LibWeb/Forward.h>
+
+namespace Web {
+namespace Bindings {
+
+class NavigatorObject final : public JS::Object {
+public:
+    NavigatorObject();
+    virtual ~NavigatorObject() override;
+
+private:
+    virtual const char* class_name() const override { return "NavigatorObject"; }
+};
+
+}
+}
diff --git a/Libraries/LibWeb/Bindings/WindowObject.cpp b/Libraries/LibWeb/Bindings/WindowObject.cpp
index 883e266f3a..2ffce1a88d 100644
--- a/Libraries/LibWeb/Bindings/WindowObject.cpp
+++ b/Libraries/LibWeb/Bindings/WindowObject.cpp
@@ -30,6 +30,7 @@
 #include <LibJS/Runtime/Error.h>
 #include <LibJS/Runtime/Function.h>
 #include <LibWeb/Bindings/DocumentWrapper.h>
+#include <LibWeb/Bindings/NavigatorObject.h>
 #include <LibWeb/Bindings/WindowObject.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Window.h>
@@ -45,6 +46,8 @@ WindowObject::WindowObject(Window& impl)
     put_native_function("setInterval", set_interval);
     put_native_function("requestAnimationFrame", request_animation_frame);
     put_native_function("cancelAnimationFrame", cancel_animation_frame);
+
+    put("navigator", heap().allocate<NavigatorObject>());
 }
 
 WindowObject::~WindowObject()
@@ -110,7 +113,6 @@ JS::Value WindowObject::request_animation_frame(JS::Interpreter& interpreter)
     return JS::Value(impl->request_animation_frame(*static_cast<JS::Function*>(callback_object)));
 }
 
-
 JS::Value WindowObject::cancel_animation_frame(JS::Interpreter& interpreter)
 {
     auto* impl = impl_from(interpreter);
