Browser: Show currently loading host and remaining resource count

Userland/Applications/Browser/Tab.cpp

@@ -80,6 +80,29 @@ void Tab::view_source(const URL& url, const String& source)
     window->show();
 }
 
+void Tab::update_status(Optional<String> text_override, i32 count_waiting)
+{
+    if (text_override.has_value()) {
+        m_statusbar->set_text(*text_override);
+        return;
+    }
+
+    if (m_loaded) {
+        m_statusbar->set_text("");
+        return;
+    }
+
+    VERIFY(m_navigating_url.has_value());
+
+    if (count_waiting == 0) {
+        // ex: "Loading google.com"
+        m_statusbar->set_text(String::formatted("Loading {}", m_navigating_url->host()));
+    } else {
+        // ex: "google.com is waiting on 5 resources"
+        m_statusbar->set_text(String::formatted("{} is waiting on {} resource{}", m_navigating_url->host(), count_waiting, count_waiting == 1 ? ""sv : "s"sv));
+    }
+}
+
 Tab::Tab(BrowserWindow& window)
 {
     load_from_gml(tab_gml);
@@ -165,6 +188,11 @@ Tab::Tab(BrowserWindow& window)
         this);
 
     hooks().on_load_start = [this](auto& url) {
+        m_navigating_url = url;
+        m_loaded = false;
+
+        update_status();
+
         m_location_box->set_icon(nullptr);
         m_location_box->set_text(url.to_string());
 
@@ -184,6 +212,11 @@ Tab::Tab(BrowserWindow& window)
     };
 
     hooks().on_load_finish = [this](auto&) {
+        m_navigating_url = {};
+        m_loaded = true;
+
+        update_status();
+
         if (m_dom_inspector_widget)
             m_web_content_view->inspect_dom_tree();
     };
@@ -196,6 +229,10 @@ Tab::Tab(BrowserWindow& window)
         }
     };
 
+    hooks().on_resource_status_change = [this](auto count_waiting) {
+        update_status({}, count_waiting);
+    };
+
     m_link_context_menu = GUI::Menu::construct();
     auto link_default_action = GUI::Action::create("&Open", [this](auto&) {
         hooks().on_link_click(m_link_context_menu_url, "", 0);
@@ -317,9 +354,9 @@ Tab::Tab(BrowserWindow& window)
 
     hooks().on_link_hover = [this](auto& url) {
         if (url.is_valid())
-            m_statusbar->set_text(url.to_string());
+            update_status(url.to_string());
         else
-            m_statusbar->set_text("");
+            update_status();
     };
 
     hooks().on_url_drop = [this](auto& url) {

Userland/Applications/Browser/Tab.h

@@ -8,6 +8,7 @@
 #pragma once
 
 #include "History.h"
+#include <AK/Optional.h>
 #include <AK/URL.h>
 #include <LibGUI/ActionGroup.h>
 #include <LibGUI/Widget.h>
@@ -91,6 +92,7 @@ private:
     void update_bookmark_button(const String& url);
     void start_download(const URL& url);
     void view_source(const URL& url, const String& source);
+    void update_status(Optional<String> text_override = {}, i32 count_waiting = 0);
 
     History m_history;
 
@@ -119,6 +121,9 @@ private:
     String m_title;
     RefPtr<const Gfx::Bitmap> m_icon;
 
+    Optional<URL> m_navigating_url;
+
+    bool m_loaded { false };
     bool m_is_history_navigation { false };
 };
 

Userland/Libraries/LibWeb/DOM/Document.cpp

@@ -1496,4 +1496,21 @@ void Document::unregister_node_iterator(Badge<NodeIterator>, NodeIterator& node_
     VERIFY(was_removed);
 }
 
+void Document::increment_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>)
+{
+    ++m_number_of_things_delaying_the_load_event;
+
+    if (auto* page = this->page())
+        page->client().page_did_update_resource_count(m_number_of_things_delaying_the_load_event);
+}
+
+void Document::decrement_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>)
+{
+    VERIFY(m_number_of_things_delaying_the_load_event);
+    --m_number_of_things_delaying_the_load_event;
+
+    if (auto* page = this->page())
+        page->client().page_did_update_resource_count(m_number_of_things_delaying_the_load_event);
+}
+
 }

Userland/Libraries/LibWeb/DOM/Document.h

@@ -294,12 +294,8 @@ public:
     Bindings::LocationObject* location();
 
     size_t number_of_things_delaying_the_load_event() { return m_number_of_things_delaying_the_load_event; }
-    void increment_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>) { ++m_number_of_things_delaying_the_load_event; }
-    void decrement_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>)
-    {
-        VERIFY(m_number_of_things_delaying_the_load_event);
-        --m_number_of_things_delaying_the_load_event;
-    }
+    void increment_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>);
+    void decrement_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>);
 
     bool page_showing() const { return m_page_showing; }
     void set_page_showing(bool value) { m_page_showing = value; }

Userland/Libraries/LibWeb/OutOfProcessWebView.cpp

@@ -391,6 +391,12 @@ void OutOfProcessWebView::notify_server_did_set_cookie(Badge<WebContentClient>,
         on_set_cookie(url, cookie, source);
 }
 
+void OutOfProcessWebView::notify_server_did_update_resource_count(i32 count_waiting)
+{
+    if (on_resource_status_change)
+        on_resource_status_change(count_waiting);
+}
+
 void OutOfProcessWebView::did_scroll()
 {
     client().async_set_viewport_rect(visible_content_rect());

Userland/Libraries/LibWeb/OutOfProcessWebView.h

@@ -88,6 +88,7 @@ public:
     void notify_server_did_change_favicon(const Gfx::Bitmap& favicon);
     String notify_server_did_request_cookie(Badge<WebContentClient>, const AK::URL& url, Cookie::Source source);
     void notify_server_did_set_cookie(Badge<WebContentClient>, const AK::URL& url, const Cookie::ParsedCookie& cookie, Cookie::Source source);
+    void notify_server_did_update_resource_count(i32 count_waiting);
 
 private:
     OutOfProcessWebView();

Userland/Libraries/LibWeb/Page/Page.h

@@ -103,6 +103,7 @@ public:
     virtual String page_did_request_prompt(const String&, const String&) { return {}; }
     virtual String page_did_request_cookie(const AK::URL&, Cookie::Source) { return {}; }
     virtual void page_did_set_cookie(const AK::URL&, const Cookie::ParsedCookie&, Cookie::Source) { }
+    virtual void page_did_update_resource_count(i32) { }
 
 protected:
     virtual ~PageClient() = default;

Userland/Libraries/LibWeb/WebContentClient.cpp

@@ -195,4 +195,9 @@ void WebContentClient::did_set_cookie(AK::URL const& url, Web::Cookie::ParsedCoo
     m_view.notify_server_did_set_cookie({}, url, cookie, static_cast<Cookie::Source>(source));
 }
 
+void WebContentClient::did_update_resource_count(i32 count_waiting)
+{
+    m_view.notify_server_did_update_resource_count(count_waiting);
+}
+
 }

Userland/Libraries/LibWeb/WebContentClient.h

@@ -60,6 +60,7 @@ private:
     virtual Messages::WebContentClient::DidRequestPromptResponse did_request_prompt(String const&, String const&) override;
     virtual Messages::WebContentClient::DidRequestCookieResponse did_request_cookie(AK::URL const&, u8) override;
     virtual void did_set_cookie(AK::URL const&, Web::Cookie::ParsedCookie const&, u8) override;
+    virtual void did_update_resource_count(i32 count_waiting) override;
 
     OutOfProcessWebView& m_view;
 };

Userland/Libraries/LibWeb/WebViewHooks.h

@@ -34,6 +34,7 @@ public:
     Function<void(i32 start_index, Vector<String> const& message_types, Vector<String> const& messages)> on_get_js_console_messages;
     Function<String(const AK::URL& url, Cookie::Source source)> on_get_cookie;
     Function<void(const AK::URL& url, const Cookie::ParsedCookie& cookie, Cookie::Source source)> on_set_cookie;
+    Function<void(i32 count_waiting)> on_resource_status_change;
 };
 
 }

Userland/Services/WebContent/PageHost.cpp

@@ -256,4 +256,9 @@ void PageHost::page_did_set_cookie(const URL& url, const Web::Cookie::ParsedCook
     m_client.async_did_set_cookie(url, cookie, static_cast<u8>(source));
 }
 
+void PageHost::page_did_update_resource_count(i32 count_waiting)
+{
+    m_client.async_did_update_resource_count(count_waiting);
+}
+
 }

Userland/Services/WebContent/PageHost.h

@@ -64,6 +64,7 @@ private:
     virtual void page_did_request_image_context_menu(const Gfx::IntPoint&, const URL&, const String& target, unsigned modifiers, const Gfx::Bitmap*) override;
     virtual String page_did_request_cookie(const URL&, Web::Cookie::Source) override;
     virtual void page_did_set_cookie(const URL&, const Web::Cookie::ParsedCookie&, Web::Cookie::Source) override;
+    virtual void page_did_update_resource_count(i32) override;
 
     explicit PageHost(ConnectionFromClient&);
 

Userland/Services/WebContent/WebContentClient.ipc

@@ -33,6 +33,7 @@ endpoint WebContentClient
     did_change_favicon(Gfx::ShareableBitmap favicon) =|
     did_request_cookie(URL url, u8 source) => (String cookie)
     did_set_cookie(URL url, Web::Cookie::ParsedCookie cookie, u8 source) =|
+    did_update_resource_count(i32 count_waiting) =|
 
     did_output_js_console_message(i32 message_index) =|
     did_get_js_console_messages(i32 start_index, Vector<String> message_types, Vector<String> messages) =|