use gresource system to load css file

.editorconfig

@@ -17,6 +17,6 @@ charset = utf-8
 
 
 max_line_length = 99
-continuation_indent_size = 8
+continuation_indent_size = 4
 indent_brace_style = 1TBS
 curly_bracket_next_line = false

src/greeter.gresource.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+    <gresource prefix="/com/antergos/lightdm-webkit2-greeter">
+        <file>greeter.css</file>
+    </gresource>
+</gresources>

src/lightdm-webkit2-greeter.c

@@ -48,7 +48,7 @@
 
 #include <config.h>
 
-#include "src/lightdm-webkit2-greeter-css-application.h"
+#include "greeter-css.h"
 
 static GtkWidget *web_view;
 static GtkWidget *window;
@@ -277,6 +277,7 @@ main(int argc, char **argv) {
 	WebKitWebContext *context;
 	GtkCssProvider *css_provider;
 	WebKitCookieManager *cookie_manager;
+	GResource *css_resource;
 
 	/* Prevent memory from being swapped out, since we see unencrypted passwords. */
 	mlockall (MCL_CURRENT | MCL_FUTURE);
@@ -323,13 +324,16 @@ main(int argc, char **argv) {
 	/* Setup CSS provider. We use CSS to set the window background to black instead
 	 * of default white so the screen doesnt flash during startup.
 	 */
+	css_resource = greeter_css_get_resource();
 	css_provider = gtk_css_provider_new();
-	gtk_css_provider_load_from_data(css_provider,
-									lightdm_webkit2_greeter_css_application,
-									lightdm_webkit2_greeter_css_application_length, NULL);
-	gtk_style_context_add_provider_for_screen(screen,
+
+	g_resources_register(css_resource);
+	gtk_css_provider_load_from_resource(css_provider, "/com/antergos/lightdm-webkit2-greeter");
+	gtk_style_context_add_provider_for_screen(
+		screen,
 		GTK_STYLE_PROVIDER(css_provider),
-											  GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
+		GTK_STYLE_PROVIDER_PRIORITY_APPLICATION
+	);
 
 	/* Register and connect handler that will set the web extensions directory
 	 * so webkit can find our extension.

src/meson.build

@@ -1,4 +1,5 @@
 pkgg = import('pkgconfig')
+gnome = import('gnome')
 
 configure_file(output: 'config.h', configuration: conf)
 
@@ -36,6 +37,12 @@ pkgg.generate(
 # ------->>> LightDM Greeter <<<------- #
 # ===================================== #
 
+greeter_css = gnome.compile_resources(
+    'greeter-css',
+    'greeter.gresource.xml',
+    source_dir : '.',
+    c_name : 'greeter_css')
+
 greeter_sources = ['lightdm-webkit2-greeter.c']
 
 greeter_incdir = include_directories('.')