LibWeb: Plumb OOPWV focus state across the IPC boundary

This makes focus outlines show up in OOPWV at last! :^)

Userland/Libraries/LibWeb/OutOfProcessWebView.cpp

@@ -495,4 +495,14 @@ void OutOfProcessWebView::set_preferred_color_scheme(Web::CSS::PreferredColorSch
     client().async_set_preferred_color_scheme(color_scheme);
 }
 
+void OutOfProcessWebView::focusin_event(GUI::FocusEvent&)
+{
+    client().async_set_has_focus(true);
+}
+
+void OutOfProcessWebView::focusout_event(GUI::FocusEvent&)
+{
+    client().async_set_has_focus(false);
+}
+
 }

Userland/Libraries/LibWeb/OutOfProcessWebView.h

@@ -102,6 +102,8 @@ private:
     virtual void keyup_event(GUI::KeyEvent&) override;
     virtual void theme_change_event(GUI::ThemeChangeEvent&) override;
     virtual void screen_rects_change_event(GUI::ScreenRectsChangeEvent&) override;
+    virtual void focusin_event(GUI::FocusEvent&) override;
+    virtual void focusout_event(GUI::FocusEvent&) override;
 
     // ^AbstractScrollableWidget
     virtual void did_scroll() override;

Userland/Services/WebContent/ClientConnection.cpp

@@ -391,4 +391,9 @@ void ClientConnection::set_preferred_color_scheme(Web::CSS::PreferredColorScheme
     m_page_host->set_preferred_color_scheme(color_scheme);
 }
 
+void ClientConnection::set_has_focus(bool has_focus)
+{
+    m_page_host->set_has_focus(has_focus);
+}
+
 }

Userland/Services/WebContent/ClientConnection.h

@@ -60,6 +60,7 @@ private:
     virtual Messages::WebContentServer::DumpLayoutTreeResponse dump_layout_tree() override;
     virtual void set_content_filters(Vector<String> const&) override;
     virtual void set_preferred_color_scheme(Web::CSS::PreferredColorScheme const&) override;
+    virtual void set_has_focus(bool) override;
 
     virtual void js_console_input(String const&) override;
     virtual void run_javascript(String const&) override;

Userland/Services/WebContent/PageHost.cpp

@@ -31,6 +31,11 @@ PageHost::~PageHost()
 {
 }
 
+void PageHost::set_has_focus(bool has_focus)
+{
+    m_has_focus = has_focus;
+}
+
 void PageHost::setup_palette()
 {
     // FIXME: Get the proper palette from our peer somehow
@@ -85,6 +90,7 @@ void PageHost::paint(const Gfx::IntRect& content_rect, Gfx::Bitmap& target)
     Web::PaintContext context(painter, palette(), content_rect.top_left());
     context.set_should_show_line_box_borders(m_should_show_line_box_borders);
     context.set_viewport_rect(content_rect);
+    context.set_has_focus(m_has_focus);
     layout_root->paint_all_phases(context);
 }
 

Userland/Services/WebContent/PageHost.h

@@ -32,6 +32,7 @@ public:
     void set_preferred_color_scheme(Web::CSS::PreferredColorScheme);
 
     void set_should_show_line_box_borders(bool b) { m_should_show_line_box_borders = b; }
+    void set_has_focus(bool);
 
 private:
     // ^PageClient
@@ -74,6 +75,7 @@ private:
     RefPtr<Gfx::PaletteImpl> m_palette_impl;
     Gfx::IntRect m_screen_rect;
     bool m_should_show_line_box_borders { false };
+    bool m_has_focus { false };
 
     RefPtr<Core::Timer> m_invalidation_coalescing_timer;
     Gfx::IntRect m_invalidation_rect;

Userland/Services/WebContent/WebContentServer.ipc

@@ -44,4 +44,6 @@ endpoint WebContentServer
     set_content_filters(Vector<String> filters) =|
     set_preferred_color_scheme(Web::CSS::PreferredColorScheme color_scheme) =|
 
+    set_has_focus(bool has_focus) =|
+
 }