Implement distinct storages on Linux.

webview/platform/linux/webview_linux_interface.xml

@@ -30,6 +30,7 @@
 			<arg type='i' name='g' direction='in'/>
 			<arg type='i' name='b' direction='in'/>
 			<arg type='i' name='a' direction='in'/>
+			<arg type='s' name='path' direction='in'/>
 		</method>
 		<method name='Reload'/>
 		<method name='Resolve'>

webview/platform/linux/webview_linux_webkitgtk.cpp

@@ -211,11 +211,13 @@ bool Instance::create(Config config) {
 
 		const ::base::has_weak_ptr guard;
 		std::optional<bool> success;
+		const auto debug = _debug;
 		const auto r = config.opaqueBg.red();
 		const auto g = config.opaqueBg.green();
 		const auto b = config.opaqueBg.blue();
 		const auto a = config.opaqueBg.alpha();
-		_helper.call_create(_debug, r, g, b, a, crl::guard(&guard, [&](
+		const auto path = config.userDataPath;
+		_helper.call_create(debug, r, g, b, a, path, crl::guard(&guard, [&](
 				GObject::Object source_object,
 				Gio::AsyncResult res) {
 			success = _helper.call_create_finish(res, nullptr);
@@ -263,7 +265,28 @@ bool Instance::create(Config config) {
 	} else {
 		gtk_widget_show_all(_window);
 	}
-	_webview = webkit_web_view_new();
+
+	const auto base = config.userDataPath;
+	const auto baseCache = base + "/cache";
+	const auto baseData = base + "/data";
+
+	if (webkit_network_session_new) {
+		_webview = GTK_WIDGET(g_object_new(
+			WEBKIT_TYPE_WEB_VIEW,
+			"network-session",
+			webkit_network_session_new(baseData.c_str(), baseCache.c_str())));
+	} else {
+		WebKitWebsiteDataManager *data = webkit_website_data_manager_new(
+			"base-cache-directory", baseCache.c_str(),
+			"base-data-directory", baseData.c_str(),
+			nullptr);
+		WebKitWebContext *context = webkit_web_context_new_with_website_data_manager(data);
+		g_object_unref(data);
+
+		_webview = webkit_web_view_new_with_context(context);
+		g_object_unref(context);		
+	}
+
 	WebKitUserContentManager *manager =
 		webkit_web_view_get_user_content_manager(WEBKIT_WEB_VIEW(_webview));
 	g_signal_connect_swapped(
@@ -1054,8 +1077,13 @@ void Instance::registerHelperMethodHandlers() {
 			int r,
 			int g,
 			int b,
-			int a) {
-		if (create({ .opaqueBg = QColor(r, g, b, a), .debug = debug })) {
+			int a,
+			const std::string &path) {
+		if (create({
+			.opaqueBg = QColor(r, g, b, a),
+			.userDataPath = path,
+			.debug = debug,
+		})) {
 			_helper.complete_create(invocation);
 		} else {
 			invocation.return_gerror(MethodError());

webview/platform/linux/webview_linux_webkitgtk_library.cpp

@@ -44,7 +44,6 @@ ResolveResult Resolve(bool wayland) {
 		&& (wayland
 			|| LOAD_LIBRARY_SYMBOL(lib, gdk_x11_surface_get_xid)
 			|| LOAD_LIBRARY_SYMBOL(lib, gdk_x11_window_get_xid))
-		&& LOAD_LIBRARY_SYMBOL(lib, webkit_web_view_new)
 		&& LOAD_LIBRARY_SYMBOL(lib, webkit_web_view_get_type)
 		&& LOAD_LIBRARY_SYMBOL(lib, webkit_web_view_get_user_content_manager)
 		&& LOAD_LIBRARY_SYMBOL(lib, webkit_user_content_manager_register_script_message_handler)
@@ -72,6 +71,19 @@ ResolveResult Resolve(bool wayland) {
 	LOAD_LIBRARY_SYMBOL(lib, gtk_widget_show_all);
 	LOAD_LIBRARY_SYMBOL(lib, gtk_widget_get_screen);
 	LOAD_LIBRARY_SYMBOL(lib, webkit_javascript_result_get_js_value);
+	{
+		const auto available1 = LOAD_LIBRARY_SYMBOL(lib, webkit_web_view_new_with_context)
+			&& LOAD_LIBRARY_SYMBOL(lib, webkit_website_data_manager_new)
+			&& LOAD_LIBRARY_SYMBOL(lib, webkit_web_context_new_with_website_data_manager);
+
+		const auto available2 = LOAD_LIBRARY_SYMBOL(lib, webkit_web_view_get_type)
+			&& LOAD_LIBRARY_SYMBOL(lib, webkit_network_session_new);
+		if (!available1 && !available2) {
+			return ResolveResult::NoLibrary;
+		}
+	}
+	LOAD_LIBRARY_SYMBOL(lib, webkit_website_data_manager_new);
+	LOAD_LIBRARY_SYMBOL(lib, webkit_web_context_new_with_website_data_manager);
 	{
 		const auto available1 = LOAD_LIBRARY_SYMBOL(lib, jsc_value_to_string);
 

webview/platform/linux/webview_linux_webkitgtk_library.h

@@ -63,6 +63,9 @@ typedef struct _WebKitUserScript WebKitUserScript;
 typedef struct _WebKitWebView WebKitWebView;
 typedef struct _WebKitSettings WebKitSettings;
 typedef struct _WebKitScriptDialog WebKitScriptDialog;
+typedef struct _WebKitWebsiteDataManager WebKitWebsiteDataManager;
+typedef struct _WebKitWebContext WebKitWebContext;
+typedef struct _WebKitNetworkSession WebKitNetworkSession;
 
 typedef enum {
 	GTK_WINDOW_TOPLEVEL,
@@ -197,7 +200,8 @@ inline void (*webkit_script_dialog_prompt_set_text)(
 	WebKitScriptDialog *dialog,
 	const gchar *text);
 
-inline GtkWidget *(*webkit_web_view_new)(void);
+inline GtkWidget *(*webkit_web_view_new)();
+inline GtkWidget *(*webkit_web_view_new_with_context)(WebKitWebContext *context);
 inline GType (*webkit_web_view_get_type)(void);
 inline WebKitUserContentManager *(*webkit_web_view_get_user_content_manager)(
 	WebKitWebView *web_view);
@@ -244,6 +248,14 @@ inline void (*webkit_web_view_run_javascript)(
 inline void (*webkit_web_view_set_background_color)(
 	WebKitWebView *web_view,
 	const GdkRGBA *rgba);
+inline WebKitWebsiteDataManager *(*webkit_website_data_manager_new)(
+	const gchar *first_option_name,
+	...);
+inline WebKitWebContext *(*webkit_web_context_new_with_website_data_manager)(
+	WebKitWebsiteDataManager* manager);
+inline WebKitNetworkSession *(*webkit_network_session_new)(
+	const char* data_directory,
+	const char* cache_directory);
 
 enum class ResolveResult {
 	Success,