[gnome-shell/eos3.8: 48/255] Add ShellDirInfo interface and ShellDesktopDirInfo implementation
- From: Matthew Leeds <mwleeds src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-shell/eos3.8: 48/255] Add ShellDirInfo interface and ShellDesktopDirInfo implementation
- Date: Wed, 10 Jun 2020 19:01:59 +0000 (UTC)
commit c2a6100db5027dbe2640a50cd589eae4cb60821e
Author: Mario Sanchez Prada <mario endlessm com>
Date: Tue May 16 19:03:09 2017 +0100
Add ShellDirInfo interface and ShellDesktopDirInfo implementation
This is needed for our custom implementation of desktop folders, which
we still partially rely internally on for now (GNOME Shell 3.22) even
if the UI bits are now taken from upstream.
po/POTFILES.in | 1 +
src/meson.build | 4 +
src/shell-desktop-dir-info.c | 1034 ++++++++++++++++++++++++++++++++++++++++++
src/shell-desktop-dir-info.h | 83 ++++
src/shell-dir-info.c | 281 ++++++++++++
src/shell-dir-info.h | 113 +++++
6 files changed, 1516 insertions(+)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 872eb98eb5..d975d32f47 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -104,3 +104,4 @@ js/ui/hotCorner.js
js/ui/iconGridLayout.js
js/ui/internetSearch.js
js/ui/userMenu.js
+src/shell-desktop-dir-info.c
diff --git a/src/meson.build b/src/meson.build
index b2f12a9767..2dc21a82b7 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -93,6 +93,8 @@ libshell_public_headers = [
'shell-app-system.h',
'shell-app-usage.h',
'shell-blur-effect.h',
+ 'shell-desktop-dir-info.h',
+ 'shell-dir-info.h',
'shell-embedded-window.h',
'shell-glsl-effect.h',
'shell-gtk-embed.h',
@@ -130,6 +132,8 @@ libshell_sources = [
'shell-app-system.c',
'shell-app-usage.c',
'shell-blur-effect.c',
+ 'shell-desktop-dir-info.c',
+ 'shell-dir-info.c',
'shell-embedded-window.c',
'shell-embedded-window-private.h',
'shell-global.c',
diff --git a/src/shell-desktop-dir-info.c b/src/shell-desktop-dir-info.c
new file mode 100644
index 0000000000..429062fd7d
--- /dev/null
+++ b/src/shell-desktop-dir-info.c
@@ -0,0 +1,1034 @@
+/* EOS Shell desktop directory information
+ *
+ * Copyright © 2013 Endless Mobile, Inc.
+ *
+ * Based on https://git.gnome.org/browse/glib/tree/gio/gdesktopappinfo.c
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ * Copyright © 2007 Ryan Lortie
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#ifdef HAVE_CRT_EXTERNS_H
+#include <crt_externs.h>
+#endif
+
+#include "shell-desktop-dir-info.h"
+#include "shell-dir-info.h"
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <glib/gstdio.h>
+
+/**
+ * SECTION:shelldesktopdirinfo
+ * @title: ShellDesktopDirInfo
+ * @short_description: Directory information from desktop files
+ * @include: shell-desktop-dir-info.h
+ *
+ * #ShellDesktopDirInfo is an implementation of #ShellDirInfo based on
+ * desktop files.
+ */
+
+#define GENERIC_NAME_KEY "GenericName"
+#define FULL_NAME_KEY "X-GNOME-FullName"
+
+enum {
+ PROP_0,
+ PROP_FILENAME
+};
+
+static void shell_desktop_dir_info_iface_init (ShellDirInfoIface *iface);
+
+/**
+ * ShellDesktopDirInfo:
+ *
+ * Information about a desktop directory from a desktop file.
+ */
+struct _ShellDesktopDirInfo
+{
+ GObject parent_instance;
+
+ char *desktop_id;
+ char *filename;
+
+ GKeyFile *keyfile;
+
+ char *name;
+ char *generic_name;
+ char *fullname;
+ char *comment;
+ char *icon_name;
+ GIcon *icon;
+ char **only_show_in;
+ char **not_show_in;
+
+ guint nodisplay : 1;
+ guint hidden : 1;
+};
+
+G_DEFINE_TYPE_WITH_CODE (ShellDesktopDirInfo, shell_desktop_dir_info, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (SHELL_TYPE_DIR_INFO,
+ shell_desktop_dir_info_iface_init))
+
+G_LOCK_DEFINE_STATIC (shell_desktop_env);
+static gchar *shell_desktop_env = NULL;
+
+static gpointer
+search_path_init (gpointer data)
+{
+ char **args = NULL;
+ const char * const *data_dirs;
+ const char *user_data_dir;
+ int i, length, j;
+
+ data_dirs = g_get_system_data_dirs ();
+ length = g_strv_length ((char **) data_dirs);
+
+ args = g_new (char *, length + 2);
+
+ j = 0;
+ user_data_dir = g_get_user_data_dir ();
+ args[j++] = g_build_filename (user_data_dir, "desktop-directories", NULL);
+ for (i = 0; i < length; i++)
+ args[j++] = g_build_filename (data_dirs[i],
+ "desktop-directories", NULL);
+ args[j++] = NULL;
+
+ return args;
+}
+
+static const char * const *
+get_directories_search_path (void)
+{
+ static GOnce once_init = G_ONCE_INIT;
+ return g_once (&once_init, search_path_init, NULL);
+}
+
+static void
+shell_desktop_dir_info_finalize (GObject *object)
+{
+ ShellDesktopDirInfo *info;
+
+ info = SHELL_DESKTOP_DIR_INFO (object);
+
+ g_free (info->desktop_id);
+ g_free (info->filename);
+
+ if (info->keyfile)
+ g_key_file_unref (info->keyfile);
+
+ g_free (info->name);
+ g_free (info->generic_name);
+ g_free (info->fullname);
+ g_free (info->comment);
+ g_free (info->icon_name);
+ if (info->icon)
+ g_object_unref (info->icon);
+ g_strfreev (info->only_show_in);
+ g_strfreev (info->not_show_in);
+
+ G_OBJECT_CLASS (shell_desktop_dir_info_parent_class)->finalize (object);
+}
+
+static void
+shell_desktop_dir_info_set_property(GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ ShellDesktopDirInfo *self = SHELL_DESKTOP_DIR_INFO (object);
+
+ switch (prop_id)
+ {
+ case PROP_FILENAME:
+ self->filename = g_value_dup_string (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+shell_desktop_dir_info_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ ShellDesktopDirInfo *self = SHELL_DESKTOP_DIR_INFO (object);
+
+ switch (prop_id)
+ {
+ case PROP_FILENAME:
+ g_value_set_string (value, self->filename);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+shell_desktop_dir_info_class_init (ShellDesktopDirInfoClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->get_property = shell_desktop_dir_info_get_property;
+ gobject_class->set_property = shell_desktop_dir_info_set_property;
+ gobject_class->finalize = shell_desktop_dir_info_finalize;
+
+ /**
+ * ShellDesktopDirInfo:filename:
+ *
+ * The origin filename of this #ShellDesktopDirInfo
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_FILENAME,
+ g_param_spec_string ("filename", "Filename", "",
+ NULL,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+shell_desktop_dir_info_init (ShellDesktopDirInfo *local)
+{
+}
+
+static gboolean
+shell_desktop_dir_info_load_from_keyfile (ShellDesktopDirInfo *info,
+ GKeyFile *key_file)
+{
+ char *start_group;
+ char *type;
+
+ start_group = g_key_file_get_start_group (key_file);
+ if (start_group == NULL || strcmp (start_group, G_KEY_FILE_DESKTOP_GROUP) != 0)
+ {
+ g_free (start_group);
+ return FALSE;
+ }
+ g_free (start_group);
+
+ type = g_key_file_get_string (key_file,
+ G_KEY_FILE_DESKTOP_GROUP,
+ G_KEY_FILE_DESKTOP_KEY_TYPE,
+ NULL);
+ if (type == NULL || strcmp (type, G_KEY_FILE_DESKTOP_TYPE_DIRECTORY) != 0)
+ {
+ g_free (type);
+ return FALSE;
+ }
+ g_free (type);
+
+ info->name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_NAME, NULL, NULL);
+ info->generic_name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, GENERIC_NAME_KEY,
NULL, NULL);
+ info->fullname = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP, FULL_NAME_KEY, NULL,
NULL);
+ info->comment = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_COMMENT, NULL, NULL);
+ info->nodisplay = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, NULL) != FALSE;
+ info->icon_name = g_key_file_get_locale_string (key_file, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_ICON, NULL, NULL);
+ info->only_show_in = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_ONLY_SHOW_IN, NULL, NULL);
+ info->not_show_in = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_NOT_SHOW_IN, NULL, NULL);
+ info->hidden = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN,
NULL) != FALSE;
+
+ info->icon = NULL;
+ if (info->icon_name)
+ {
+ if (g_path_is_absolute (info->icon_name))
+ {
+ GFile *file;
+
+ file = g_file_new_for_path (info->icon_name);
+ info->icon = g_file_icon_new (file);
+ g_object_unref (file);
+ }
+ else
+ {
+ char *p;
+
+ /* Work around a common mistake in desktop files */
+ if ((p = strrchr (info->icon_name, '.')) != NULL &&
+ (strcmp (p, ".png") == 0 ||
+ strcmp (p, ".xpm") == 0 ||
+ strcmp (p, ".svg") == 0))
+ *p = 0;
+
+ info->icon = g_themed_icon_new (info->icon_name);
+ }
+ }
+
+ info->keyfile = g_key_file_ref (key_file);
+
+ return TRUE;
+}
+
+static gboolean
+shell_desktop_dir_info_load_file (ShellDesktopDirInfo *self)
+{
+ GKeyFile *key_file;
+ gboolean retval = FALSE;
+
+ g_return_val_if_fail (self->filename != NULL, FALSE);
+
+ self->desktop_id = g_path_get_basename (self->filename);
+
+ key_file = g_key_file_new ();
+
+ if (g_key_file_load_from_file (key_file,
+ self->filename,
+ G_KEY_FILE_NONE,
+ NULL))
+ {
+ retval = shell_desktop_dir_info_load_from_keyfile (self, key_file);
+ }
+
+ g_key_file_unref (key_file);
+ return retval;
+}
+
+/**
+ * shell_desktop_dir_info_new_from_keyfile:
+ * @key_file: an opened #GKeyFile
+ *
+ * Creates a new #ShellDesktopDirInfo.
+ *
+ * Returns: a new #ShellDesktopDirInfo or %NULL on error.
+ **/
+ShellDesktopDirInfo *
+shell_desktop_dir_info_new_from_keyfile (GKeyFile *key_file)
+{
+ ShellDesktopDirInfo *info;
+
+ info = g_object_new (SHELL_TYPE_DESKTOP_DIR_INFO, NULL);
+ info->filename = NULL;
+ if (!shell_desktop_dir_info_load_from_keyfile (info, key_file))
+ {
+ g_object_unref (info);
+ return NULL;
+ }
+ return info;
+}
+
+/**
+ * shell_desktop_dir_info_new_from_filename:
+ * @filename: the path of a desktop file, in the GLib filename encoding
+ *
+ * Creates a new #ShellDesktopDirInfo.
+ *
+ * Returns: a new #ShellDesktopDirInfo or %NULL on error.
+ **/
+ShellDesktopDirInfo *
+shell_desktop_dir_info_new_from_filename (const char *filename)
+{
+ ShellDesktopDirInfo *info = NULL;
+
+ info = g_object_new (SHELL_TYPE_DESKTOP_DIR_INFO, "filename", filename, NULL);
+ if (!shell_desktop_dir_info_load_file (info))
+ {
+ g_object_unref (info);
+ return NULL;
+ }
+ return info;
+}
+
+/**
+ * shell_desktop_dir_info_new:
+ * @desktop_id: the desktop file id
+ *
+ * Creates a new #ShellDesktopDirInfo based on a desktop file id.
+ *
+ * A desktop file id is the basename of the desktop file, including the
+ * .directory extension. GIO is looking for a desktop file with this name
+ * in the <filename>desktop-directories</filename> subdirectories of the XDG data
+ * directories (i.e. the directories specified in the
+ * <envar>XDG_DATA_HOME</envar> and <envar>XDG_DATA_DIRS</envar> environment
+ * variables). GIO also supports the prefix-to-subdirectory mapping that is
+ * described in the <ulink url="http://standards.freedesktop.org/menu-spec/latest/";>Menu Spec</ulink>
+ * (i.e. a desktop id of kde-foo.directory will match
+ * <filename>/usr/share/desktop-directories/kde/foo.directory</filename>).
+ *
+ * Returns: a new #ShellDesktopDirInfo, or %NULL if no desktop file with that id
+ */
+ShellDesktopDirInfo *
+shell_desktop_dir_info_new (const char *desktop_id)
+{
+ ShellDesktopDirInfo *dirinfo;
+ const char * const *dirs;
+ char *basename;
+ int i;
+
+ dirs = get_directories_search_path ();
+
+ basename = g_strdup (desktop_id);
+
+ for (i = 0; dirs[i] != NULL; i++)
+ {
+ char *filename;
+ char *p;
+
+ filename = g_build_filename (dirs[i], desktop_id, NULL);
+ dirinfo = shell_desktop_dir_info_new_from_filename (filename);
+ g_free (filename);
+ if (dirinfo != NULL)
+ goto found;
+
+ p = basename;
+ while ((p = strchr (p, '-')) != NULL)
+ {
+ *p = '/';
+
+ filename = g_build_filename (dirs[i], basename, NULL);
+ dirinfo = shell_desktop_dir_info_new_from_filename (filename);
+ g_free (filename);
+ if (dirinfo != NULL)
+ goto found;
+ *p = '-';
+ p++;
+ }
+ }
+
+ g_free (basename);
+ return NULL;
+
+ found:
+ g_free (basename);
+
+ g_free (dirinfo->desktop_id);
+ dirinfo->desktop_id = g_strdup (desktop_id);
+
+ if (shell_desktop_dir_info_get_is_hidden (dirinfo))
+ {
+ g_object_unref (dirinfo);
+ dirinfo = NULL;
+ }
+
+ return dirinfo;
+}
+
+static ShellDirInfo *
+shell_desktop_dir_info_dup (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+ ShellDesktopDirInfo *new_info;
+
+ new_info = g_object_new (SHELL_TYPE_DESKTOP_DIR_INFO, NULL);
+
+ new_info->filename = g_strdup (info->filename);
+ new_info->desktop_id = g_strdup (info->desktop_id);
+
+ if (info->keyfile)
+ new_info->keyfile = g_key_file_ref (info->keyfile);
+
+ new_info->name = g_strdup (info->name);
+ new_info->generic_name = g_strdup (info->generic_name);
+ new_info->fullname = g_strdup (info->fullname);
+ new_info->comment = g_strdup (info->comment);
+ new_info->nodisplay = info->nodisplay;
+ new_info->icon_name = g_strdup (info->icon_name);
+ if (info->icon)
+ new_info->icon = g_object_ref (info->icon);
+ new_info->only_show_in = g_strdupv (info->only_show_in);
+ new_info->not_show_in = g_strdupv (info->not_show_in);
+ new_info->hidden = info->hidden;
+
+ return SHELL_DIR_INFO (new_info);
+}
+
+static gboolean
+shell_desktop_dir_info_equal (ShellDirInfo *dirinfo1,
+ ShellDirInfo *dirinfo2)
+{
+ ShellDesktopDirInfo *info1 = SHELL_DESKTOP_DIR_INFO (dirinfo1);
+ ShellDesktopDirInfo *info2 = SHELL_DESKTOP_DIR_INFO (dirinfo2);
+
+ if (info1->desktop_id == NULL ||
+ info2->desktop_id == NULL)
+ return info1 == info2;
+
+ return strcmp (info1->desktop_id, info2->desktop_id) == 0;
+}
+
+static const char *
+shell_desktop_dir_info_get_id (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ return info->desktop_id;
+}
+
+static const char *
+shell_desktop_dir_info_get_name (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ if (info->name == NULL)
+ return _("Unnamed");
+ return info->name;
+}
+
+static const char *
+shell_desktop_dir_info_get_display_name (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ if (info->fullname == NULL)
+ return shell_desktop_dir_info_get_name (dirinfo);
+ return info->fullname;
+}
+
+/**
+ * shell_desktop_dir_info_get_is_hidden:
+ * @info: a #ShellDesktopDirInfo.
+ *
+ * A desktop file is hidden if the Hidden key in it is
+ * set to True.
+ *
+ * Returns: %TRUE if hidden, %FALSE otherwise.
+ **/
+gboolean
+shell_desktop_dir_info_get_is_hidden (ShellDesktopDirInfo *info)
+{
+ return info->hidden;
+}
+
+/**
+ * shell_desktop_dir_info_get_filename:
+ * @info: a #ShellDesktopDirInfo
+ *
+ * When @info was created from a known filename, return it. In some
+ * situations such as the #ShellDesktopDirInfo returned from
+ * shell_desktop_dir_info_new_from_keyfile(), this function will return %NULL.
+ *
+ * Returns: The full path to the file for @info, or %NULL if not known.
+ */
+const char *
+shell_desktop_dir_info_get_filename (ShellDesktopDirInfo *info)
+{
+ return info->filename;
+}
+
+static const char *
+shell_desktop_dir_info_get_description (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ return info->comment;
+}
+
+static GIcon *
+shell_desktop_dir_info_get_icon (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ return info->icon;
+}
+
+/**
+ * shell_desktop_dir_info_get_generic_name:
+ * @info: a #ShellDesktopDirInfo
+ *
+ * Gets the generic name from the destkop file.
+ *
+ * Returns: The value of the GenericName key
+ */
+const char *
+shell_desktop_dir_info_get_generic_name (ShellDesktopDirInfo *info)
+{
+ return info->generic_name;
+}
+
+/**
+ * shell_desktop_dir_info_get_nodisplay:
+ * @info: a #ShellDesktopDirInfo
+ *
+ * Gets the value of the NoDisplay key, which helps determine if the
+ * directory info should be shown in menus. See
+ * #G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY and shell_dir_info_should_show().
+ *
+ * Returns: The value of the NoDisplay key
+ */
+gboolean
+shell_desktop_dir_info_get_nodisplay (ShellDesktopDirInfo *info)
+{
+ return info->nodisplay;
+}
+
+/**
+ * shell_desktop_dir_info_get_show_in:
+ * @info: a #ShellDesktopDirInfo
+ * @desktop_env: a string specifying a desktop name
+ *
+ * Checks if the directory info should be shown in menus that list available
+ * directories for a specific name of the desktop, based on the
+ * <literal>OnlyShowIn</literal> and <literal>NotShowIn</literal> keys.
+ *
+ * If @desktop_env is %NULL, then the name of the desktop set with
+ * shell_desktop_dir_info_set_desktop_env() is used.
+ *
+ * Note that shell_dir_info_should_show() for @info will include this check (with
+ * %NULL for @desktop_env) as well as additional checks.
+ *
+ * Returns: %TRUE if the @info should be shown in @desktop_env according to the
+ * <literal>OnlyShowIn</literal> and <literal>NotShowIn</literal> keys, %FALSE
+ * otherwise.
+ */
+gboolean
+shell_desktop_dir_info_get_show_in (ShellDesktopDirInfo *info,
+ const gchar *desktop_env)
+{
+ gboolean found;
+ int i;
+
+ g_return_val_if_fail (SHELL_IS_DESKTOP_DIR_INFO (info), FALSE);
+
+ if (!desktop_env ) {
+ G_LOCK (shell_desktop_env);
+ desktop_env = shell_desktop_env;
+ G_UNLOCK (shell_desktop_env);
+ }
+
+ if (info->only_show_in)
+ {
+ if (desktop_env == NULL)
+ return FALSE;
+
+ found = FALSE;
+ for (i = 0; info->only_show_in[i] != NULL; i++)
+ {
+ if (strcmp (info->only_show_in[i], desktop_env) == 0)
+ {
+ found = TRUE;
+ break;
+ }
+ }
+ if (!found)
+ return FALSE;
+ }
+
+ if (info->not_show_in && desktop_env)
+ {
+ for (i = 0; info->not_show_in[i] != NULL; i++)
+ {
+ if (strcmp (info->not_show_in[i], desktop_env) == 0)
+ return FALSE;
+ }
+ }
+
+ return TRUE;
+}
+
+/**
+ * shell_desktop_dir_info_set_desktop_env:
+ * @desktop_env: a string specifying what desktop this is
+ *
+ * Sets the name of the desktop that the application is running in.
+ * This is used by shell_dir_info_should_show() and
+ * shell_desktop_dir_info_get_show_in() to evaluate the
+ * <literal>OnlyShowIn</literal> and <literal>NotShowIn</literal>
+ * desktop entry fields.
+ *
+ * The <ulink url="http://standards.freedesktop.org/menu-spec/latest/";>Desktop
+ * Menu specification</ulink> recognizes the following:
+ * <simplelist>
+ * <member>GNOME</member>
+ * <member>KDE</member>
+ * <member>ROX</member>
+ * <member>XFCE</member>
+ * <member>LXDE</member>
+ * <member>Unity</member>
+ * <member>Old</member>
+ * </simplelist>
+ *
+ * Should be called only once; subsequent calls are ignored.
+ */
+void
+shell_desktop_dir_info_set_desktop_env (const gchar *desktop_env)
+{
+ G_LOCK (shell_desktop_env);
+ if (!shell_desktop_env)
+ shell_desktop_env = g_strdup (desktop_env);
+ G_UNLOCK (shell_desktop_env);
+}
+
+static gboolean
+shell_desktop_dir_info_should_show (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ if (info->nodisplay)
+ return FALSE;
+
+ return shell_desktop_dir_info_get_show_in (info, NULL);
+}
+
+static gboolean
+shell_desktop_dir_info_can_delete (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ if (info->filename)
+ {
+ if (strstr (info->filename, "/userdir-"))
+ return g_access (info->filename, W_OK) == 0;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+shell_desktop_dir_info_delete (ShellDirInfo *dirinfo)
+{
+ ShellDesktopDirInfo *info = SHELL_DESKTOP_DIR_INFO (dirinfo);
+
+ if (info->filename)
+ {
+ if (g_remove (info->filename) == 0)
+ {
+ g_free (info->filename);
+ info->filename = NULL;
+ g_free (info->desktop_id);
+ info->desktop_id = NULL;
+
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ * shell_dir_info_create_from_directory_name:
+ * @directory_name: the directory name
+ * @error: a #GError location to store the error occurring, %NULL to ignore.
+ *
+ * Creates a new #ShellDirInfo from the given information.
+ *
+ * Returns: (transfer full): new #ShellDirInfo for given directory name.
+ **/
+ShellDirInfo *
+shell_dir_info_create_from_directory_name (const char *directory_name,
+ GError **error)
+{
+ ShellDesktopDirInfo *info;
+
+ g_return_val_if_fail (directory_name, NULL);
+
+ info = g_object_new (SHELL_TYPE_DESKTOP_DIR_INFO, NULL);
+
+ info->filename = NULL;
+ info->desktop_id = NULL;
+
+ info->hidden = FALSE;
+ info->nodisplay = TRUE;
+
+ info->name = g_strdup (directory_name);
+ info->comment = g_strdup_printf (_("Custom definition for %s"), info->name);
+
+ return SHELL_DIR_INFO (info);
+}
+
+static void
+shell_desktop_dir_info_iface_init (ShellDirInfoIface *iface)
+{
+ iface->dup = shell_desktop_dir_info_dup;
+ iface->equal = shell_desktop_dir_info_equal;
+ iface->get_id = shell_desktop_dir_info_get_id;
+ iface->get_name = shell_desktop_dir_info_get_name;
+ iface->get_description = shell_desktop_dir_info_get_description;
+ iface->get_icon = shell_desktop_dir_info_get_icon;
+ iface->should_show = shell_desktop_dir_info_should_show;
+ iface->can_delete = shell_desktop_dir_info_can_delete;
+ iface->do_delete = shell_desktop_dir_info_delete;
+ iface->get_display_name = shell_desktop_dir_info_get_display_name;
+}
+
+static void
+get_entries_from_dir (GHashTable *entries,
+ const char *dirname,
+ const char *prefix)
+{
+ GDir *dir;
+ const char *basename;
+ char *filename, *subprefix, *desktop_id;
+ gboolean hidden;
+ ShellDesktopDirInfo *dirinfo;
+
+ dir = g_dir_open (dirname, 0, NULL);
+ if (dir)
+ {
+ while ((basename = g_dir_read_name (dir)) != NULL)
+ {
+ filename = g_build_filename (dirname, basename, NULL);
+ if (g_str_has_suffix (basename, ".directory"))
+ {
+ desktop_id = g_strconcat (prefix, basename, NULL);
+
+ /* Use _extended so we catch NULLs too (hidden) */
+ if (!g_hash_table_lookup_extended (entries, desktop_id, NULL, NULL))
+ {
+ dirinfo = shell_desktop_dir_info_new_from_filename (filename);
+ hidden = FALSE;
+
+ if (dirinfo && shell_desktop_dir_info_get_is_hidden (dirinfo))
+ {
+ g_object_unref (dirinfo);
+ dirinfo = NULL;
+ hidden = TRUE;
+ }
+
+ if (dirinfo || hidden)
+ {
+ g_hash_table_insert (entries, g_strdup (desktop_id), dirinfo);
+
+ if (dirinfo)
+ {
+ /* Reuse instead of strdup here */
+ dirinfo->desktop_id = desktop_id;
+ desktop_id = NULL;
+ }
+ }
+ }
+ g_free (desktop_id);
+ }
+ else
+ {
+ if (g_file_test (filename, G_FILE_TEST_IS_DIR))
+ {
+ subprefix = g_strconcat (prefix, basename, "-", NULL);
+ get_entries_from_dir (entries, filename, subprefix);
+ g_free (subprefix);
+ }
+ }
+ g_free (filename);
+ }
+ g_dir_close (dir);
+ }
+}
+
+
+/**
+ * shell_dir_info_get_all:
+ *
+ * Gets a list of all of the desktop directories currently registered
+ * on this system.
+ *
+ * For desktop files, this includes directories that have
+ * <literal>NoDisplay=true</literal> set or are excluded from
+ * display by means of <literal>OnlyShowIn</literal> or
+ * <literal>NotShowIn</literal>. See shell_dir_info_should_show().
+ * The returned list does not include directories which have
+ * the <literal>Hidden</literal> key set.
+ *
+ * Returns: (element-type ShellDirInfo) (transfer full): a newly allocated #GList of references to
#ShellDirInfo<!---->s.
+ **/
+GList *
+shell_dir_info_get_all (void)
+{
+ const char * const *dirs;
+ GHashTable *entries;
+ GHashTableIter iter;
+ gpointer value;
+ int i;
+ GList *infos;
+
+ dirs = get_directories_search_path ();
+
+ entries = g_hash_table_new_full (g_str_hash, g_str_equal,
+ g_free, NULL);
+
+
+ for (i = 0; dirs[i] != NULL; i++)
+ get_entries_from_dir (entries, dirs[i], "");
+
+
+ infos = NULL;
+ g_hash_table_iter_init (&iter, entries);
+ while (g_hash_table_iter_next (&iter, NULL, &value))
+ {
+ if (value)
+ infos = g_list_prepend (infos, value);
+ }
+
+ g_hash_table_destroy (entries);
+
+ return g_list_reverse (infos);
+}
+
+/**
+ * shell_desktop_dir_info_get_string:
+ * @info: a #ShellDesktopDirInfo
+ * @key: the key to look up
+ *
+ * Looks up a string value in the keyfile backing @info.
+ *
+ * The @key is looked up in the "Desktop Entry" group.
+ *
+ * Returns: a newly allocated string, or %NULL if the key
+ * is not found
+ */
+char *
+shell_desktop_dir_info_get_string (ShellDesktopDirInfo *info,
+ const char *key)
+{
+ g_return_val_if_fail (SHELL_IS_DESKTOP_DIR_INFO (info), NULL);
+
+ return g_key_file_get_string (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP, key, NULL);
+}
+
+/**
+ * shell_desktop_dir_info_get_boolean:
+ * @info: a #ShellDesktopDirInfo
+ * @key: the key to look up
+ *
+ * Looks up a boolean value in the keyfile backing @info.
+ *
+ * The @key is looked up in the "Desktop Entry" group.
+ *
+ * Returns: the boolean value, or %FALSE if the key
+ * is not found
+ */
+gboolean
+shell_desktop_dir_info_get_boolean (ShellDesktopDirInfo *info,
+ const char *key)
+{
+ g_return_val_if_fail (SHELL_IS_DESKTOP_DIR_INFO (info), FALSE);
+
+ return g_key_file_get_boolean (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP, key, NULL);
+}
+
+/**
+ * shell_desktop_dir_info_has_key:
+ * @info: a #ShellDesktopDirInfo
+ * @key: the key to look up
+ *
+ * Returns whether @key exists in the "Desktop Entry" group
+ * of the keyfile backing @info.
+ *
+ * Returns: %TRUE if the @key exists
+ */
+gboolean
+shell_desktop_dir_info_has_key (ShellDesktopDirInfo *info,
+ const char *key)
+{
+ g_return_val_if_fail (SHELL_IS_DESKTOP_DIR_INFO (info), FALSE);
+
+ return g_key_file_has_key (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP, key, NULL);
+}
+
+gboolean
+shell_desktop_dir_info_create_custom_with_name (ShellDesktopDirInfo *info,
+ const char *name,
+ GError **error)
+{
+ GError *internal_error = NULL;
+ char *user_path, *buf;
+ gsize len;
+ char **keys;
+ gsize i;
+
+ g_free (info->name);
+ info->name = g_strdup (name);
+
+ /* no keyfile, we just store it in the DirInfo */
+ if (info->keyfile == NULL)
+ return TRUE;
+
+ /* remove all translated 'Name' keys */
+ keys = g_key_file_get_keys (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP,
+ &len,
+ NULL);
+ for (i = 0; i < len; i++)
+ {
+ if (strncmp (keys[i], G_KEY_FILE_DESKTOP_KEY_NAME,
+ strlen(G_KEY_FILE_DESKTOP_KEY_NAME)) == 0)
+ {
+ g_key_file_remove_key (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP,
+ keys[i],
+ NULL);
+ }
+ }
+
+ /* create a new 'Name' key with the new name */
+ g_key_file_set_string (info->keyfile,
+ G_KEY_FILE_DESKTOP_GROUP,
+ G_KEY_FILE_DESKTOP_KEY_NAME,
+ name);
+
+ buf = g_key_file_to_data (info->keyfile, &len, &internal_error);
+ if (internal_error != NULL)
+ {
+ g_propagate_error (error, internal_error);
+ return FALSE;
+ }
+
+ user_path = g_build_filename (g_get_user_data_dir (),
+ "desktop-directories",
+ NULL);
+
+ if (g_mkdir_with_parents (user_path, 0755) < 0)
+ {
+ int saved_errno = errno;
+
+ g_set_error (error, G_FILE_ERROR,
+ G_FILE_ERROR_FAILED,
+ "Unable to create '%s': %s",
+ user_path,
+ g_strerror (saved_errno));
+
+ g_free (user_path);
+ g_free (buf);
+
+ return FALSE;
+ }
+
+ g_free (user_path);
+
+ /* store the keyfile in the user's data directory; it will take
+ * precedence over the system one when we reload the list of
+ * folders
+ */
+ user_path = g_build_filename (g_get_user_data_dir (),
+ "desktop-directories",
+ info->desktop_id,
+ NULL);
+
+ g_file_set_contents (user_path, buf, len, &internal_error);
+ if (internal_error != NULL)
+ {
+ g_propagate_error (error, internal_error);
+ g_free (user_path);
+ g_free (buf);
+
+ return FALSE;
+ }
+
+ g_free (user_path);
+ g_free (buf);
+
+ return TRUE;
+}
diff --git a/src/shell-desktop-dir-info.h b/src/shell-desktop-dir-info.h
new file mode 100644
index 0000000000..877d87b452
--- /dev/null
+++ b/src/shell-desktop-dir-info.h
@@ -0,0 +1,83 @@
+/* EOS Shell desktop directory information
+ *
+ * Copyright © 2013 Endless Mobile, Inc.
+ *
+ * Based on https://git.gnome.org/browse/glib/tree/gio/gdesktopappinfo.h
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __SHELL_DESKTOP_DIR_INFO_H__
+#define __SHELL_DESKTOP_DIR_INFO_H__
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+typedef struct _ShellDesktopDirInfo ShellDesktopDirInfo;
+typedef struct _ShellDesktopDirInfoClass ShellDesktopDirInfoClass;
+
+#define SHELL_TYPE_DESKTOP_DIR_INFO (shell_desktop_dir_info_get_type ())
+#define SHELL_DESKTOP_DIR_INFO(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), SHELL_TYPE_DESKTOP_DIR_INFO,
ShellDesktopDirInfo))
+#define SHELL_DESKTOP_DIR_INFO_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), SHELL_TYPE_DESKTOP_DIR_INFO,
ShellDesktopDirInfoClass))
+#define SHELL_IS_DESKTOP_DIR_INFO(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), SHELL_TYPE_DESKTOP_DIR_INFO))
+#define SHELL_IS_DESKTOP_DIR_INFO_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), SHELL_TYPE_DESKTOP_DIR_INFO))
+#define SHELL_DESKTOP_DIR_INFO_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), SHELL_TYPE_DESKTOP_DIR_INFO,
ShellDesktopDirInfoClass))
+
+struct _ShellDesktopDirInfoClass
+{
+ GObjectClass parent_class;
+};
+
+
+GType shell_desktop_dir_info_get_type (void) G_GNUC_CONST;
+
+ShellDesktopDirInfo *shell_desktop_dir_info_new_from_filename (const char *filename);
+
+ShellDesktopDirInfo *shell_desktop_dir_info_new_from_keyfile (GKeyFile *key_file);
+
+const char * shell_desktop_dir_info_get_filename (ShellDesktopDirInfo *info);
+
+const char * shell_desktop_dir_info_get_generic_name (ShellDesktopDirInfo *info);
+
+gboolean shell_desktop_dir_info_get_nodisplay (ShellDesktopDirInfo *info);
+
+gboolean shell_desktop_dir_info_get_show_in (ShellDesktopDirInfo *info,
+ const gchar *desktop_env);
+
+ShellDesktopDirInfo *shell_desktop_dir_info_new (const char *desktop_id);
+
+gboolean shell_desktop_dir_info_get_is_hidden (ShellDesktopDirInfo *info);
+
+void shell_desktop_dir_info_set_desktop_env (const char *desktop_env);
+
+gboolean shell_desktop_dir_info_has_key (ShellDesktopDirInfo *info,
+ const char *key);
+
+char * shell_desktop_dir_info_get_string (ShellDesktopDirInfo *info,
+ const char *key);
+
+gboolean shell_desktop_dir_info_get_boolean (ShellDesktopDirInfo *info,
+ const char *key);
+
+gboolean shell_desktop_dir_info_create_custom_with_name (ShellDesktopDirInfo *info,
+ const char *name,
+ GError **error);
+
+G_END_DECLS
+
+#endif /* __SHELL_DESKTOP_DIR_INFO_H__ */
diff --git a/src/shell-dir-info.c b/src/shell-dir-info.c
new file mode 100644
index 0000000000..469878f8b5
--- /dev/null
+++ b/src/shell-dir-info.c
@@ -0,0 +1,281 @@
+/* EOS Shell directory information
+ *
+ * Copyright © 2013 Endless Mobile, Inc.
+ *
+ * Based on https://git.gnome.org/browse/glib/tree/gio/gappinfo.c
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+#include "shell-dir-info.h"
+
+#include <gio/gio.h>
+
+
+/**
+ * SECTION:shelldirinfo
+ * @short_description: Desktop directory information
+ * @include: gio/gio.h
+ *
+ * #ShellDirInfo is used for describing directories on the desktop.
+ *
+ **/
+
+typedef ShellDirInfoIface ShellDirInfoInterface;
+G_DEFINE_INTERFACE (ShellDirInfo, shell_dir_info, G_TYPE_OBJECT)
+
+static void
+shell_dir_info_default_init (ShellDirInfoInterface *iface)
+{
+}
+
+
+/**
+ * shell_dir_info_dup:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Creates a duplicate of a #ShellDirInfo.
+ *
+ * Returns: (transfer full): a duplicate of @dirinfo.
+ **/
+ShellDirInfo *
+shell_dir_info_dup (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), NULL);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ return (* iface->dup) (dirinfo);
+}
+
+/**
+ * shell_dir_info_equal:
+ * @dirinfo1: the first #ShellDirInfo.
+ * @dirinfo2: the second #ShellDirInfo.
+ *
+ * Checks if two #ShellDirInfo<!-- -->s are equal.
+ *
+ * Returns: %TRUE if @dirinfo1 is equal to @dirinfo2. %FALSE otherwise.
+ **/
+gboolean
+shell_dir_info_equal (ShellDirInfo *dirinfo1,
+ ShellDirInfo *dirinfo2)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo1), FALSE);
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo2), FALSE);
+
+ if (G_TYPE_FROM_INSTANCE (dirinfo1) != G_TYPE_FROM_INSTANCE (dirinfo2))
+ return FALSE;
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo1);
+
+ return (* iface->equal) (dirinfo1, dirinfo2);
+}
+
+/**
+ * shell_dir_info_get_id:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Gets the ID of a directory. An id is a string that
+ * identifies the directory. The exact format of the id is
+ * platform dependent. For instance, on Unix this is the
+ * desktop file id from the xdg menu specification.
+ *
+ * Note that the returned ID may be %NULL, depending on how
+ * the @dirinfo has been constructed.
+ *
+ * Returns: a string containing the directory's ID.
+ **/
+const char *
+shell_dir_info_get_id (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), NULL);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ return (* iface->get_id) (dirinfo);
+}
+
+/**
+ * shell_dir_info_get_name:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Gets the name of the directory.
+ *
+ * Returns: the name of the directory for @dirinfo.
+ **/
+const char *
+shell_dir_info_get_name (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), NULL);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ return (* iface->get_name) (dirinfo);
+}
+
+/**
+ * shell_dir_info_get_display_name:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Gets the display name of the directory. The display name is often more
+ * descriptive to the user than the name itself.
+ *
+ * Returns: the display name of the directory for @dirinfo, or the name if
+ * no display name is available.
+ **/
+const char *
+shell_dir_info_get_display_name (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), NULL);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ if (iface->get_display_name == NULL)
+ return (* iface->get_name) (dirinfo);
+
+ return (* iface->get_display_name) (dirinfo);
+}
+
+/**
+ * shell_dir_info_get_description:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Gets a human-readable description of a directory.
+ *
+ * Returns: a string containing a description of the
+ * directory @dirinfo, or %NULL if none.
+ **/
+const char *
+shell_dir_info_get_description (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), NULL);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ return (* iface->get_description) (dirinfo);
+}
+
+
+/**
+ * shell_dir_info_get_icon:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Gets the icon for the directory.
+ *
+ * Returns: (transfer none): the default #GIcon for @dirinfo or %NULL
+ * if there is no default icon.
+ **/
+GIcon *
+shell_dir_info_get_icon (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), NULL);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ return (* iface->get_icon) (dirinfo);
+}
+
+
+/**
+ * shell_dir_info_should_show:
+ * @dirinfo: a #ShellDirInfo.
+ *
+ * Checks if the directory info should be shown in menus that
+ * list available directories.
+ *
+ * Returns: %TRUE if the @dirinfo should be shown, %FALSE otherwise.
+ **/
+gboolean
+shell_dir_info_should_show (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), FALSE);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ return (* iface->should_show) (dirinfo);
+}
+
+
+/**
+ * shell_dir_info_can_delete:
+ * @dirinfo: a #ShellDirInfo
+ *
+ * Obtains the information whether the #ShellDirInfo can be deleted.
+ * See shell_dir_info_delete().
+ *
+ * Returns: %TRUE if @dirinfo can be deleted
+ */
+gboolean
+shell_dir_info_can_delete (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), FALSE);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ if (iface->can_delete)
+ return (* iface->can_delete) (dirinfo);
+
+ return FALSE;
+}
+
+
+/**
+ * shell_dir_info_delete: (virtual do_delete)
+ * @dirinfo: a #ShellDirInfo
+ *
+ * Tries to delete a #ShellDirInfo.
+ *
+ * On some platforms, there may be a difference between user-defined
+ * #ShellDirInfo<!-- -->s which can be deleted, and system-wide ones which
+ * cannot. See shell_dir_info_can_delete().
+ *
+ * Returns: %TRUE if @dirinfo has been deleted
+ */
+gboolean
+shell_dir_info_delete (ShellDirInfo *dirinfo)
+{
+ ShellDirInfoIface *iface;
+
+ g_return_val_if_fail (SHELL_IS_DIR_INFO (dirinfo), FALSE);
+
+ iface = SHELL_DIR_INFO_GET_IFACE (dirinfo);
+
+ if (iface->do_delete)
+ return (* iface->do_delete) (dirinfo);
+
+ return FALSE;
+}
diff --git a/src/shell-dir-info.h b/src/shell-dir-info.h
new file mode 100644
index 0000000000..34363ac04c
--- /dev/null
+++ b/src/shell-dir-info.h
@@ -0,0 +1,113 @@
+/* EOS Shell directory information
+ *
+ * Copyright © 2013 Endless Mobile, Inc.
+ *
+ * Based on https://git.gnome.org/browse/glib/tree/gio/gappinfo.h
+ * Copyright (C) 2006-2007 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General
+ * Public License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __SHELL_DIR_INFO_H__
+#define __SHELL_DIR_INFO_H__
+
+#include <gio/gio.h>
+
+G_BEGIN_DECLS
+
+typedef struct _ShellDirInfo ShellDirInfo;
+
+#define SHELL_TYPE_DIR_INFO (shell_dir_info_get_type ())
+#define SHELL_DIR_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SHELL_TYPE_DIR_INFO,
ShellDirInfo))
+#define SHELL_IS_DIR_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SHELL_TYPE_DIR_INFO))
+#define SHELL_DIR_INFO_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), SHELL_TYPE_DIR_INFO,
ShellDirInfoIface))
+
+
+/**
+ * ShellDirInfo:
+ *
+ * Information about a desktop directory.
+ */
+
+/**
+ * ShellDirInfoIface:
+ * @g_iface: The parent interface.
+ * @dup: Copies a #ShellDirInfo.
+ * @equal: Checks two #ShellDirInfo<!-- -->s for equality.
+ * @get_id: Gets a string identifier for a #ShellDirInfo.
+ * @get_name: Gets the name of the directory for a #ShellDirInfo.
+ * @get_description: Gets a short description for the directory described by the #ShellDirInfo.
+ * @get_icon: Gets the #GIcon for the #ShellDirInfo.
+ * @should_show: Returns whether a directory should be shown (e.g. when getting a list of desktop
directories).
+ * @can_delete: Checks if a #ShellDirInfo can be deleted.
+ * @do_delete: Deletes a #ShellDirInfo.
+ * @get_display_name: Gets the display name for the #ShellDirInfo.
+ *
+ * Directory Information interface, for operating system portability.
+ */
+typedef struct _ShellDirInfoIface ShellDirInfoIface;
+
+struct _ShellDirInfoIface
+{
+ GTypeInterface g_iface;
+
+ /* Virtual Table */
+
+ ShellDirInfo * (* dup) (ShellDirInfo *dirinfo);
+ gboolean (* equal) (ShellDirInfo *dirinfo1,
+ ShellDirInfo *dirinfo2);
+ const char * (* get_id) (ShellDirInfo *dirinfo);
+ const char * (* get_name) (ShellDirInfo *dirinfo);
+ const char * (* get_description) (ShellDirInfo *dirinfo);
+ GIcon * (* get_icon) (ShellDirInfo *dirinfo);
+ gboolean (* should_show) (ShellDirInfo *dirinfo);
+ gboolean (* can_delete) (ShellDirInfo *dirinfo);
+ gboolean (* do_delete) (ShellDirInfo *dirinfo);
+ const char * (* get_display_name) (ShellDirInfo *dirinfo);
+};
+
+GType shell_dir_info_get_type (void) G_GNUC_CONST;
+
+ShellDirInfo * shell_dir_info_create_from_directory_name
+ (const char *directory_name,
+ GError **error);
+
+ShellDirInfo * shell_dir_info_dup (ShellDirInfo *dirinfo);
+
+gboolean shell_dir_info_equal (ShellDirInfo *dirinfo1,
+ ShellDirInfo *dirinfo2);
+
+const char *shell_dir_info_get_id (ShellDirInfo *dirinfo);
+
+const char *shell_dir_info_get_name (ShellDirInfo *dirinfo);
+
+const char *shell_dir_info_get_display_name (ShellDirInfo *dirinfo);
+
+const char *shell_dir_info_get_description (ShellDirInfo *dirinfo);
+
+GIcon * shell_dir_info_get_icon (ShellDirInfo *dirinfo);
+
+gboolean shell_dir_info_should_show (ShellDirInfo *dirinfo);
+
+gboolean shell_dir_info_can_delete (ShellDirInfo *dirinfo);
+
+gboolean shell_dir_info_delete (ShellDirInfo *dirinfo);
+
+GList * shell_dir_info_get_all (void);
+
+G_END_DECLS
+
+#endif /* __SHELL_DIR_INFO_H__ */
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