WIP - Remove ShellJS gir

You can define a new importer object by importing a subdirectory in GJS.
This is undocumented, but it is likely to at least hold until the whole
thing moves to ES6 modules.

js/misc/extensionUtils.js

@@ -6,9 +6,7 @@
 const Lang = imports.lang;
 const Signals = imports.signals;
 
-const GLib = imports.gi.GLib;
 const Gio = imports.gi.Gio;
-const ShellJS = imports.gi.ShellJS;
 
 const Config = imports.misc.config;
 const FileUtils = imports.misc.fileUtils;
@@ -140,12 +138,11 @@ function createExtensionObject(uuid, dir, type) {
     return extension;
 }
 
-var _extension = null;
-
 function installImporter(extension) {
-    _extension = extension;
-    ShellJS.add_extension_importer('imports.misc.extensionUtils._extension', 'imports', extension.path);
-    _extension = null;
+    let oldSearchPath = imports.searchPath.slice();  // make a copy
+    imports.searchPath = [extension.path];
+    extension.imports = imports['.'];  // "subdir" creates a new importer object
+    imports.searchPath = oldSearchPath;
 }
 
 const ExtensionFinder = new Lang.Class({

src/Makefile.am

@@ -78,7 +78,7 @@ gnome_shell_cflags =				\
 	-DGNOME_SHELL_PKGLIBDIR=\"$(pkglibdir)\"
 
 privlibdir = $(pkglibdir)
-privlib_LTLIBRARIES = libgnome-shell-js.la libgnome-shell-menu.la libgnome-shell.la
+privlib_LTLIBRARIES = libgnome-shell-menu.la libgnome-shell.la
 noinst_LTLIBRARIES += libgnome-shell-base.la
 
 shell_built_sources = \
@@ -200,7 +200,7 @@ gnome_shell_CPPFLAGS = \
 
 # Here, and after, we repeat mutter and bluetooth libraries just for the rpath
 # The dependency is already pulled in by libtool
-gnome_shell_LDADD = libgnome-shell.la libgnome-shell-js.la $(GNOME_SHELL_LIBS) $(MUTTER_LIBS)
+gnome_shell_LDADD = libgnome-shell.la $(GNOME_SHELL_LIBS) $(MUTTER_LIBS)
 gnome_shell_LDFLAGS = -rpath $(MUTTER_TYPELIB_DIR)
 gnome_shell_DEPENDENCIES = libgnome-shell.la
 
@@ -212,7 +212,7 @@ nodist_gnome_shell_extension_prefs_SOURCES = \
 	$(top_builddir)/js/js-resources.h		\
 	$(NULL)
 gnome_shell_extension_prefs_CPPFLAGS = $(gnome_shell_cflags)
-gnome_shell_extension_prefs_LDADD = libgnome-shell-js.la $(GNOME_SHELL_LIBS)
+gnome_shell_extension_prefs_LDADD = $(GNOME_SHELL_LIBS)
 gnome_shell_extension_prefs_LDFLAGS = -rpath $(MUTTER_TYPELIB_DIR)
 
 if HAVE_NETWORKMANAGER
@@ -226,30 +226,13 @@ nodist_gnome_shell_portal_helper_SOURCES = \
 	$(top_builddir)/js/js-resources.h		\
 	$(NULL)
 gnome_shell_portal_helper_CPPFLAGS = $(gnome_shell_cflags)
-gnome_shell_portal_helper_LDADD = libgnome-shell-js.la $(GNOME_SHELL_LIBS)
+gnome_shell_portal_helper_LDADD = $(GNOME_SHELL_LIBS)
 gnome_shell_portal_helper_LDFLAGS = -rpath $(MUTTER_TYPELIB_DIR)
 
 endif
 
 ########################################
 
-libgnome_shell_js_la_SOURCES =		\
-	shell-js.h			\
-	shell-js.cpp			\
-	$(NULL)
-
-libgnome_shell_js_la_LIBADD =		\
-	$(GNOME_SHELL_JS_LIBS)		\
-	$(NULL)
-
-libgnome_shell_js_la_LDFLAGS =		\
-	-avoid-version
-
-libgnome_shell_js_la_CPPFLAGS =		\
-	$(GNOME_SHELL_JS_CFLAGS)
-
-########################################
-
 shell_recorder_sources =        \
 	shell-recorder.c	\
 	shell-recorder.h
@@ -366,13 +349,6 @@ Shell_0_1_gir_SCANNERFLAGS =	\
 INTROSPECTION_GIRS += Shell-0.1.gir
 CLEANFILES += Shell-0.1.gir
 
-ShellJS-0.1.gir: libgnome-shell-js.la
-ShellJS_0_1_gir_CFLAGS = $(libgnome_shell_la_CPPFLAGS) -I $(srcdir)
-ShellJS_0_1_gir_LIBS = libgnome-shell-js.la
-ShellJS_0_1_gir_FILES = $(libgnome_shell_js_la_SOURCES)
-INTROSPECTION_GIRS += ShellJS-0.1.gir
-CLEANFILES += ShellJS-0.1.gir
-
 St-1.0.gir: libst-1.0.la
 St_1_0_gir_INCLUDES = Clutter-1.0 Gtk-3.0
 St_1_0_gir_CFLAGS = $(st_cflags) -DST_COMPILATION

src/gnome-shell-extension-prefs.c

@@ -6,8 +6,6 @@
 #include <gjs/gjs.h>
 #include <glib/gi18n.h>
 
-#include "shell-js.h"
-
 int
 main (int argc, char *argv[])
 {
@@ -51,18 +49,3 @@ main (int argc, char *argv[])
 
   return 0;
 }
-
-
-/* HACK:
-   Add a dummy function that calls into libgnome-shell-js.so to ensure it's
-   linked to /usr/bin/gnome-shell-extension-prefs even when linking with
-   --as-needed. This function is never actually called.
-   https://bugzilla.gnome.org/show_bug.cgi?id=670477
-*/
-void _shell_link_to_shell_js (void);
-
-void
-_shell_link_to_shell_js (void)
-{
-  shell_js_add_extension_importer (NULL, NULL, NULL, NULL);
-}

src/main.c

@@ -25,7 +25,6 @@
 
 #include "shell-global.h"
 #include "shell-global-private.h"
-#include "shell-js.h"
 #include "shell-perf-log.h"
 #include "st.h"
 
@@ -480,17 +479,3 @@ main (int argc, char **argv)
 
   return ecode;
 }
-
-/* HACK:
-   Add a dummy function that calls into libgnome-shell-js.so to ensure it's
-   linked to /usr/bin/gnome-shell even when linking with --as-needed.
-   This function is never actually called.
-   https://bugzilla.gnome.org/show_bug.cgi?id=670477
-*/
-void _shell_link_to_shell_js (void);
-
-void
-_shell_link_to_shell_js (void)
-{
-  shell_js_add_extension_importer (NULL, NULL, NULL, NULL);
-}

src/shell-js.cpp

@@ -1,78 +0,0 @@
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-
-#include "config.h"
-
-#include "shell-js.h"
-
-#include <gio/gio.h>
-#include <gjs/gjs.h>
-#include <gjs/gjs-module.h>
-
-/**
- * shell_js_add_extension_importer:
- * @target_object_script: JavaScript code evaluating to a target object
- * @target_property: Name of property to use for importer
- * @directory: Source directory:
- * @error: A #GError
- *
- * This function sets a property named @target_property on the object
- * resulting from the evaluation of @target_object_script code, which
- * acts as a GJS importer for directory @directory.
- *
- * Returns: %TRUE on success
- */
-gboolean
-shell_js_add_extension_importer (const char  *target_object_script,
-                                 const char  *target_property,
-                                 const char  *directory,
-                                 GError     **error)
-{
-  JS::Value target_object;
-  GList *contexts;
-  JSContext *context;
-  char *search_path[2] = { 0, 0 };
-  gboolean ret = FALSE;
-
-  /* Take the first GjsContext from all of them --
-   * we should only ever have one context, so this
-   * should be alright. */
-  contexts = gjs_context_get_all ();
-  context = (JSContext*) gjs_context_get_native_context ((GjsContext*)contexts->data);
-  g_list_free_full (contexts, g_object_unref);
-
-  JS_BeginRequest (context);
-
-  /* This is a bit of a hack; ideally we'd be able to pass our target
-   * object directly into this function, but introspection doesn't
-   * support that at the moment.  Instead evaluate a string to get it. */
-  if (!JS_EvaluateScript(context,
-                         gjs_get_global_object (context),
-                         target_object_script,
-                         strlen (target_object_script),
-                         "<target_object_script>",
-                         0,
-                         &target_object))
-    {
-      gjs_log_exception(context);
-      g_set_error(error,
-                  G_IO_ERROR,
-                  G_IO_ERROR_FAILED,
-                  "Unable to import %s", target_object_script);
-      goto out;
-    }
-
-  if (!target_object.isObject ())
-    {
-      g_error ("shell_js_add_extension_importer: invalid target object");
-      goto out;
-    }
-
-  search_path[0] = (char*)directory;
-  gjs_define_importer (context, &target_object.toObject (), target_property,
-                       (const char **)search_path, FALSE);
-  ret = TRUE;
-
- out:
-  JS_EndRequest (context);
-  return ret;
-}

src/shell-js.h

@@ -1,16 +0,0 @@
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-#ifndef __SHELL_JS_H__
-#define __SHELL_JS_H__
-
-#include <glib.h>
-
-G_BEGIN_DECLS
-
-gboolean shell_js_add_extension_importer (const char   *target_object_script,
-                                          const char   *target_property,
-                                          const char   *directory,
-                                          GError      **error);
-
-G_END_DECLS
-
-#endif /* __SHELL_JS_H__ */