/* GIO - GLib Input, Output and Streaming Library * * 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. * * Author: Alexander Larsson */ #include "config.h" #include #include #include #ifdef HAVE_CRT_EXTERNS_H #include #endif #include "gcontenttypeprivate.h" #include "gdesktopappinfo.h" #include "gfile.h" #include "gioerror.h" #include "gthemedicon.h" #include "gfileicon.h" #include #include "glibintl.h" #include "giomodule-priv.h" #include "gappinfo.h" /** * SECTION:gdesktopappinfo * @title: GDesktopAppInfo * @short_description: Application information from desktop files * @include: gio/gdesktopappinfo.h * * #GDesktopAppInfo is an implementation of #GAppInfo based on * desktop files. * * Note that <gio/gdesktopappinfo.h> belongs to * the UNIX-specific GIO interfaces, thus you have to use the * gio-unix-2.0.pc pkg-config file when using it. */ #define DEFAULT_APPLICATIONS_GROUP "Default Applications" #define ADDED_ASSOCIATIONS_GROUP "Added Associations" #define REMOVED_ASSOCIATIONS_GROUP "Removed Associations" #define MIME_CACHE_GROUP "MIME Cache" #define GENERIC_NAME_KEY "GenericName" #define FULL_NAME_KEY "X-GNOME-FullName" #define KEYWORDS_KEY "Keywords" #define STARTUP_WM_CLASS_KEY "StartupWMClass" enum { PROP_0, PROP_FILENAME }; static void g_desktop_app_info_iface_init (GAppInfoIface *iface); static GList * get_all_desktop_entries_for_mime_type (const char *base_mime_type, const char **except, gboolean include_fallback, char **explicit_default); static void mime_info_cache_reload (const char *dir); static gboolean g_desktop_app_info_ensure_saved (GDesktopAppInfo *info, GError **error); /** * GDesktopAppInfo: * * Information about an installed application from a desktop file. */ struct _GDesktopAppInfo { 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 **keywords; char **only_show_in; char **not_show_in; char *try_exec; char *exec; char *binary; char *path; char *categories; char *startup_wm_class; char **mime_types; guint nodisplay : 1; guint hidden : 1; guint terminal : 1; guint startup_notify : 1; guint no_fuse : 1; }; typedef enum { UPDATE_MIME_NONE = 1 << 0, UPDATE_MIME_SET_DEFAULT = 1 << 1, UPDATE_MIME_SET_NON_DEFAULT = 1 << 2, UPDATE_MIME_REMOVE = 1 << 3, UPDATE_MIME_SET_LAST_USED = 1 << 4, } UpdateMimeFlags; G_DEFINE_TYPE_WITH_CODE (GDesktopAppInfo, g_desktop_app_info, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (G_TYPE_APP_INFO, g_desktop_app_info_iface_init)) G_LOCK_DEFINE_STATIC (g_desktop_env); static gchar *g_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, "applications", NULL); for (i = 0; i < length; i++) args[j++] = g_build_filename (data_dirs[i], "applications", NULL); args[j++] = NULL; return args; } static const char * const * get_applications_search_path (void) { static GOnce once_init = G_ONCE_INIT; return g_once (&once_init, search_path_init, NULL); } static void g_desktop_app_info_finalize (GObject *object) { GDesktopAppInfo *info; info = G_DESKTOP_APP_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->keywords); g_strfreev (info->only_show_in); g_strfreev (info->not_show_in); g_free (info->try_exec); g_free (info->exec); g_free (info->binary); g_free (info->path); g_free (info->categories); g_free (info->startup_wm_class); g_strfreev (info->mime_types); G_OBJECT_CLASS (g_desktop_app_info_parent_class)->finalize (object); } static void g_desktop_app_info_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GDesktopAppInfo *self = G_DESKTOP_APP_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 g_desktop_app_info_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GDesktopAppInfo *self = G_DESKTOP_APP_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 g_desktop_app_info_class_init (GDesktopAppInfoClass *klass) { GObjectClass *gobject_class = G_OBJECT_CLASS (klass); gobject_class->get_property = g_desktop_app_info_get_property; gobject_class->set_property = g_desktop_app_info_set_property; gobject_class->finalize = g_desktop_app_info_finalize; /** * GDesktopAppInfo:filename: * * The origin filename of this #GDesktopAppInfo */ 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 g_desktop_app_info_init (GDesktopAppInfo *local) { } static char * binary_from_exec (const char *exec) { const char *p, *start; p = exec; while (*p == ' ') p++; start = p; while (*p != ' ' && *p != 0) p++; return g_strndup (start, p - start); } static gboolean g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info, GKeyFile *key_file) { char *start_group; char *type; char *try_exec; 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_APPLICATION) != 0) { g_free (type); return FALSE; } g_free (type); try_exec = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TRY_EXEC, NULL); if (try_exec && try_exec[0] != '\0') { char *t; t = g_find_program_in_path (try_exec); if (t == NULL) { g_free (try_exec); return FALSE; } g_free (t); } 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->keywords = g_key_file_get_locale_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, KEYWORDS_KEY, NULL, 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->try_exec = try_exec; info->exec = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_EXEC, NULL); info->path = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_PATH, NULL); info->terminal = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TERMINAL, NULL) != FALSE; info->startup_notify = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_STARTUP_NOTIFY, NULL) != FALSE; info->no_fuse = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GIO-NoFuse", NULL) != FALSE; info->hidden = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL) != FALSE; info->categories = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_CATEGORIES, NULL); info->startup_wm_class = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, STARTUP_WM_CLASS_KEY, NULL); info->mime_types = g_key_file_get_string_list (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_MIME_TYPE, NULL, NULL); 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); } } if (info->exec) info->binary = binary_from_exec (info->exec); if (info->path && info->path[0] == '\0') { g_free (info->path); info->path = NULL; } info->keyfile = g_key_file_ref (key_file); return TRUE; } static gboolean g_desktop_app_info_load_file (GDesktopAppInfo *self) { GKeyFile *key_file; gboolean retval = FALSE; g_return_val_if_fail (self->filename != NULL, FALSE); key_file = g_key_file_new (); if (g_key_file_load_from_file (key_file, self->filename, G_KEY_FILE_NONE, NULL)) { retval = g_desktop_app_info_load_from_keyfile (self, key_file); } g_key_file_unref (key_file); return retval; } /** * g_desktop_app_info_new_from_keyfile: * @key_file: an opened #GKeyFile * * Creates a new #GDesktopAppInfo. * * Returns: a new #GDesktopAppInfo or %NULL on error. * * Since: 2.18 **/ GDesktopAppInfo * g_desktop_app_info_new_from_keyfile (GKeyFile *key_file) { GDesktopAppInfo *info; info = g_object_new (G_TYPE_DESKTOP_APP_INFO, NULL); info->filename = NULL; if (!g_desktop_app_info_load_from_keyfile (info, key_file)) { g_object_unref (info); return NULL; } return info; } /** * g_desktop_app_info_new_from_filename: * @filename: the path of a desktop file, in the GLib filename encoding * * Creates a new #GDesktopAppInfo. * * Returns: a new #GDesktopAppInfo or %NULL on error. **/ GDesktopAppInfo * g_desktop_app_info_new_from_filename (const char *filename) { GDesktopAppInfo *info = NULL; info = g_object_new (G_TYPE_DESKTOP_APP_INFO, "filename", filename, NULL); if (!g_desktop_app_info_load_file (info)) { g_object_unref (info); return NULL; } return info; } /** * g_desktop_app_info_new: * @desktop_id: the desktop file id * * Creates a new #GDesktopAppInfo based on a desktop file id. * * A desktop file id is the basename of the desktop file, including the * .desktop extension. GIO is looking for a desktop file with this name * in the applications subdirectories of the XDG data * directories (i.e. the directories specified in the * XDG_DATA_HOME and XDG_DATA_DIRS environment * variables). GIO also supports the prefix-to-subdirectory mapping that is * described in the Menu Spec * (i.e. a desktop id of kde-foo.desktop will match * /usr/share/applications/kde/foo.desktop). * * Returns: a new #GDesktopAppInfo, or %NULL if no desktop file with that id */ GDesktopAppInfo * g_desktop_app_info_new (const char *desktop_id) { GDesktopAppInfo *appinfo; const char * const *dirs; char *basename; int i; dirs = get_applications_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); appinfo = g_desktop_app_info_new_from_filename (filename); g_free (filename); if (appinfo != NULL) goto found; p = basename; while ((p = strchr (p, '-')) != NULL) { *p = '/'; filename = g_build_filename (dirs[i], basename, NULL); appinfo = g_desktop_app_info_new_from_filename (filename); g_free (filename); if (appinfo != NULL) goto found; *p = '-'; p++; } } g_free (basename); return NULL; found: g_free (basename); appinfo->desktop_id = g_strdup (desktop_id); if (g_desktop_app_info_get_is_hidden (appinfo)) { g_object_unref (appinfo); appinfo = NULL; } return appinfo; } static GAppInfo * g_desktop_app_info_dup (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); GDesktopAppInfo *new_info; new_info = g_object_new (G_TYPE_DESKTOP_APP_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->keywords = g_strdupv (info->keywords); 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->try_exec = g_strdup (info->try_exec); new_info->exec = g_strdup (info->exec); new_info->binary = g_strdup (info->binary); new_info->path = g_strdup (info->path); new_info->hidden = info->hidden; new_info->terminal = info->terminal; new_info->startup_notify = info->startup_notify; return G_APP_INFO (new_info); } static gboolean g_desktop_app_info_equal (GAppInfo *appinfo1, GAppInfo *appinfo2) { GDesktopAppInfo *info1 = G_DESKTOP_APP_INFO (appinfo1); GDesktopAppInfo *info2 = G_DESKTOP_APP_INFO (appinfo2); if (info1->desktop_id == NULL || info2->desktop_id == NULL) return info1 == info2; return strcmp (info1->desktop_id, info2->desktop_id) == 0; } static const char * g_desktop_app_info_get_id (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->desktop_id; } static const char * g_desktop_app_info_get_name (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (info->name == NULL) return _("Unnamed"); return info->name; } static const char * g_desktop_app_info_get_display_name (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (info->fullname == NULL) return g_desktop_app_info_get_name (appinfo); return info->fullname; } /** * g_desktop_app_info_get_is_hidden: * @info: a #GDesktopAppInfo. * * A desktop file is hidden if the Hidden key in it is * set to True. * * Returns: %TRUE if hidden, %FALSE otherwise. **/ gboolean g_desktop_app_info_get_is_hidden (GDesktopAppInfo *info) { return info->hidden; } /** * g_desktop_app_info_get_filename: * @info: a #GDesktopAppInfo * * When @info was created from a known filename, return it. In some * situations such as the #GDesktopAppInfo returned from * g_desktop_app_info_new_from_keyfile(), this function will return %NULL. * * Returns: The full path to the file for @info, or %NULL if not known. * Since: 2.24 */ const char * g_desktop_app_info_get_filename (GDesktopAppInfo *info) { return info->filename; } static const char * g_desktop_app_info_get_description (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->comment; } static const char * g_desktop_app_info_get_executable (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->binary; } static const char * g_desktop_app_info_get_commandline (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->exec; } static GIcon * g_desktop_app_info_get_icon (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->icon; } /** * g_desktop_app_info_get_categories: * @info: a #GDesktopAppInfo * * Gets the categories from the desktop file. * * Returns: The unparsed Categories key from the desktop file; * i.e. no attempt is made to split it by ';' or validate it. */ const char * g_desktop_app_info_get_categories (GDesktopAppInfo *info) { return info->categories; } /** * g_desktop_app_info_get_keywords: * @info: a #GDesktopAppInfo * * Gets the keywords from the desktop file. * * Returns: (transfer none): The value of the Keywords key * * Since: 2.32 */ const char * const * g_desktop_app_info_get_keywords (GDesktopAppInfo *info) { return (const char * const *)info->keywords; } /** * g_desktop_app_info_get_generic_name: * @info: a #GDesktopAppInfo * * Gets the generic name from the destkop file. * * Returns: The value of the GenericName key */ const char * g_desktop_app_info_get_generic_name (GDesktopAppInfo *info) { return info->generic_name; } /** * g_desktop_app_info_get_nodisplay: * @info: a #GDesktopAppInfo * * Gets the value of the NoDisplay key, which helps determine if the * application info should be shown in menus. See * #G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY and g_app_info_should_show(). * * Returns: The value of the NoDisplay key * * Since: 2.30 */ gboolean g_desktop_app_info_get_nodisplay (GDesktopAppInfo *info) { return info->nodisplay; } /** * g_desktop_app_info_get_show_in: * @info: a #GDesktopAppInfo * @desktop_env: a string specifying a desktop name * * Checks if the application info should be shown in menus that list available * applications for a specific name of the desktop, based on the * OnlyShowIn and NotShowIn keys. * * If @desktop_env is %NULL, then the name of the desktop set with * g_desktop_app_info_set_desktop_env() is used. * * Note that g_app_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 * OnlyShowIn and NotShowIn keys, %FALSE * otherwise. * * Since: 2.30 */ gboolean g_desktop_app_info_get_show_in (GDesktopAppInfo *info, const gchar *desktop_env) { gboolean found; int i; g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE); if (!desktop_env) { G_LOCK (g_desktop_env); desktop_env = g_desktop_env; G_UNLOCK (g_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; } static char * expand_macro_single (char macro, char *uri) { GFile *file; char *result = NULL; char *path, *name; file = g_file_new_for_uri (uri); path = g_file_get_path (file); g_object_unref (file); switch (macro) { case 'u': case 'U': result = g_shell_quote (uri); break; case 'f': case 'F': if (path) result = g_shell_quote (path); break; case 'd': case 'D': if (path) { name = g_path_get_dirname (path); result = g_shell_quote (name); g_free (name); } break; case 'n': case 'N': if (path) { name = g_path_get_basename (path); result = g_shell_quote (name); g_free (name); } break; } g_free (path); return result; } static void expand_macro (char macro, GString *exec, GDesktopAppInfo *info, GList **uri_list) { GList *uris = *uri_list; char *expanded; gboolean force_file_uri; char force_file_uri_macro; char *uri; g_return_if_fail (exec != NULL); /* On %u and %U, pass POSIX file path pointing to the URI via * the FUSE mount in ~/.gvfs. Note that if the FUSE daemon isn't * running or the URI doesn't have a POSIX file path via FUSE * we'll just pass the URI. */ force_file_uri_macro = macro; force_file_uri = FALSE; if (!info->no_fuse) { switch (macro) { case 'u': force_file_uri_macro = 'f'; force_file_uri = TRUE; break; case 'U': force_file_uri_macro = 'F'; force_file_uri = TRUE; break; default: break; } } switch (macro) { case 'u': case 'f': case 'd': case 'n': if (uris) { uri = uris->data; if (!force_file_uri || /* Pass URI if it contains an anchor */ strchr (uri, '#') != NULL) { expanded = expand_macro_single (macro, uri); } else { expanded = expand_macro_single (force_file_uri_macro, uri); if (expanded == NULL) expanded = expand_macro_single (macro, uri); } if (expanded) { g_string_append (exec, expanded); g_free (expanded); } uris = uris->next; } break; case 'U': case 'F': case 'D': case 'N': while (uris) { uri = uris->data; if (!force_file_uri || /* Pass URI if it contains an anchor */ strchr (uri, '#') != NULL) { expanded = expand_macro_single (macro, uri); } else { expanded = expand_macro_single (force_file_uri_macro, uri); if (expanded == NULL) expanded = expand_macro_single (macro, uri); } if (expanded) { g_string_append (exec, expanded); g_free (expanded); } uris = uris->next; if (uris != NULL && expanded) g_string_append_c (exec, ' '); } break; case 'i': if (info->icon_name) { g_string_append (exec, "--icon "); expanded = g_shell_quote (info->icon_name); g_string_append (exec, expanded); g_free (expanded); } break; case 'c': if (info->name) { expanded = g_shell_quote (info->name); g_string_append (exec, expanded); g_free (expanded); } break; case 'k': if (info->filename) { expanded = g_shell_quote (info->filename); g_string_append (exec, expanded); g_free (expanded); } break; case 'm': /* deprecated */ break; case '%': g_string_append_c (exec, '%'); break; } *uri_list = uris; } static gboolean expand_application_parameters (GDesktopAppInfo *info, GList **uris, int *argc, char ***argv, GError **error) { GList *uri_list = *uris; const char *p = info->exec; GString *expanded_exec; gboolean res; if (info->exec == NULL) { g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Desktop file didn't specify Exec field")); return FALSE; } expanded_exec = g_string_new (NULL); while (*p) { if (p[0] == '%' && p[1] != '\0') { expand_macro (p[1], expanded_exec, info, uris); p++; } else g_string_append_c (expanded_exec, *p); p++; } /* No file substitutions */ if (uri_list == *uris && uri_list != NULL) { /* If there is no macro default to %f. This is also what KDE does */ g_string_append_c (expanded_exec, ' '); expand_macro ('f', expanded_exec, info, uris); } res = g_shell_parse_argv (expanded_exec->str, argc, argv, error); g_string_free (expanded_exec, TRUE); return res; } static gboolean prepend_terminal_to_vector (int *argc, char ***argv) { #ifndef G_OS_WIN32 char **real_argv; int real_argc; int i, j; char **term_argv = NULL; int term_argc = 0; char *check; char **the_argv; g_return_val_if_fail (argc != NULL, FALSE); g_return_val_if_fail (argv != NULL, FALSE); /* sanity */ if(*argv == NULL) *argc = 0; the_argv = *argv; /* compute size if not given */ if (*argc < 0) { for (i = 0; the_argv[i] != NULL; i++) ; *argc = i; } term_argc = 2; term_argv = g_new0 (char *, 3); check = g_find_program_in_path ("gnome-terminal"); if (check != NULL) { term_argv[0] = check; /* Note that gnome-terminal takes -x and * as -e in gnome-terminal is broken we use that. */ term_argv[1] = g_strdup ("-x"); } else { if (check == NULL) check = g_find_program_in_path ("nxterm"); if (check == NULL) check = g_find_program_in_path ("color-xterm"); if (check == NULL) check = g_find_program_in_path ("rxvt"); if (check == NULL) check = g_find_program_in_path ("xterm"); if (check == NULL) check = g_find_program_in_path ("dtterm"); if (check == NULL) { check = g_strdup ("xterm"); g_warning ("couldn't find a terminal, falling back to xterm"); } term_argv[0] = check; term_argv[1] = g_strdup ("-e"); } real_argc = term_argc + *argc; real_argv = g_new (char *, real_argc + 1); for (i = 0; i < term_argc; i++) real_argv[i] = term_argv[i]; for (j = 0; j < *argc; j++, i++) real_argv[i] = (char *)the_argv[j]; real_argv[i] = NULL; g_free (*argv); *argv = real_argv; *argc = real_argc; /* we use g_free here as we sucked all the inner strings * out from it into real_argv */ g_free (term_argv); return TRUE; #else return FALSE; #endif /* G_OS_WIN32 */ } static GList * create_files_for_uris (GList *uris) { GList *res; GList *iter; res = NULL; for (iter = uris; iter; iter = iter->next) { GFile *file = g_file_new_for_uri ((char *)iter->data); res = g_list_prepend (res, file); } return g_list_reverse (res); } typedef struct { GSpawnChildSetupFunc user_setup; gpointer user_setup_data; char *pid_envvar; } ChildSetupData; static void child_setup (gpointer user_data) { ChildSetupData *data = user_data; if (data->pid_envvar) { pid_t pid = getpid (); char buf[20]; int i; /* Write the pid into the space already reserved for it in the * environment array. We can't use sprintf because it might * malloc, so we do it by hand. It's simplest to write the pid * out backwards first, then copy it over. */ for (i = 0; pid; i++, pid /= 10) buf[i] = (pid % 10) + '0'; for (i--; i >= 0; i--) *(data->pid_envvar++) = buf[i]; *data->pid_envvar = '\0'; } if (data->user_setup) data->user_setup (data->user_setup_data); } static void notify_desktop_launch (GDBusConnection *session_bus, GDesktopAppInfo *info, long pid, const char *display, const char *sn_id, GList *uris) { GDBusMessage *msg; GVariantBuilder uri_variant; GVariantBuilder extras_variant; GList *iter; const char *desktop_file_id; const char *gio_desktop_file; if (session_bus == NULL) return; g_variant_builder_init (&uri_variant, G_VARIANT_TYPE ("as")); for (iter = uris; iter; iter = iter->next) g_variant_builder_add (&uri_variant, "s", iter->data); g_variant_builder_init (&extras_variant, G_VARIANT_TYPE ("a{sv}")); if (sn_id != NULL && g_utf8_validate (sn_id, -1, NULL)) g_variant_builder_add (&extras_variant, "{sv}", "startup-id", g_variant_new ("s", sn_id)); gio_desktop_file = g_getenv ("GIO_LAUNCHED_DESKTOP_FILE"); if (gio_desktop_file != NULL) g_variant_builder_add (&extras_variant, "{sv}", "origin-desktop-file", g_variant_new_bytestring (gio_desktop_file)); if (g_get_prgname () != NULL) g_variant_builder_add (&extras_variant, "{sv}", "origin-prgname", g_variant_new_bytestring (g_get_prgname ())); g_variant_builder_add (&extras_variant, "{sv}", "origin-pid", g_variant_new ("x", (gint64)getpid ())); if (info->filename) desktop_file_id = info->filename; else if (info->desktop_id) desktop_file_id = info->desktop_id; else desktop_file_id = ""; msg = g_dbus_message_new_signal ("/org/gtk/gio/DesktopAppInfo", "org.gtk.gio.DesktopAppInfo", "Launched"); g_dbus_message_set_body (msg, g_variant_new ("(@aysxasa{sv})", g_variant_new_bytestring (desktop_file_id), display ? display : "", (gint64)pid, &uri_variant, &extras_variant)); g_dbus_connection_send_message (session_bus, msg, 0, NULL, NULL); g_object_unref (msg); } #define _SPAWN_FLAGS_DEFAULT (G_SPAWN_SEARCH_PATH) static gboolean _g_desktop_app_info_launch_uris_internal (GAppInfo *appinfo, GList *uris, GAppLaunchContext *launch_context, GSpawnFlags spawn_flags, GSpawnChildSetupFunc user_setup, gpointer user_setup_data, GDesktopAppLaunchCallback pid_callback, gpointer pid_callback_data, GError **error) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); GDBusConnection *session_bus; gboolean completed = FALSE; GList *old_uris; char **argv, **envp; int argc; ChildSetupData data; g_return_val_if_fail (appinfo != NULL, FALSE); argv = NULL; session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL); if (launch_context) envp = g_app_launch_context_get_environment (launch_context); else envp = g_get_environ (); do { GPid pid; GList *launched_uris; GList *iter; char *display, *sn_id; old_uris = uris; if (!expand_application_parameters (info, &uris, &argc, &argv, error)) goto out; /* Get the subset of URIs we're launching with this process */ launched_uris = NULL; for (iter = old_uris; iter != NULL && iter != uris; iter = iter->next) launched_uris = g_list_prepend (launched_uris, iter->data); launched_uris = g_list_reverse (launched_uris); if (info->terminal && !prepend_terminal_to_vector (&argc, &argv)) { g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Unable to find terminal required for application")); goto out; } data.user_setup = user_setup; data.user_setup_data = user_setup_data; if (info->filename) { envp = g_environ_setenv (envp, "GIO_LAUNCHED_DESKTOP_FILE", info->filename, TRUE); envp = g_environ_setenv (envp, "GIO_LAUNCHED_DESKTOP_FILE_PID", "XXXXXXXXXXXXXXXXXXXX", /* filled in child_setup */ TRUE); data.pid_envvar = (char *)g_environ_getenv (envp, "GIO_LAUNCHED_DESKTOP_FILE_PID"); } else { data.pid_envvar = NULL; } display = NULL; sn_id = NULL; if (launch_context) { GList *launched_files = create_files_for_uris (launched_uris); display = g_app_launch_context_get_display (launch_context, appinfo, launched_files); if (display) envp = g_environ_setenv (envp, "DISPLAY", display, TRUE); if (info->startup_notify) { sn_id = g_app_launch_context_get_startup_notify_id (launch_context, appinfo, launched_files); envp = g_environ_setenv (envp, "DESKTOP_STARTUP_ID", sn_id, TRUE); } g_list_free_full (launched_files, g_object_unref); } if (!g_spawn_async (info->path, argv, envp, spawn_flags, child_setup, &data, &pid, error)) { if (sn_id) g_app_launch_context_launch_failed (launch_context, sn_id); g_free (display); g_free (sn_id); g_list_free (launched_uris); goto out; } if (pid_callback != NULL) pid_callback (info, pid, pid_callback_data); if (launch_context != NULL) { GVariantBuilder builder; GVariant *platform_data; g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); g_variant_builder_add (&builder, "{sv}", "pid", g_variant_new_int32 (pid)); if (sn_id) g_variant_builder_add (&builder, "{sv}", "startup-notification-id", g_variant_new_string (sn_id)); platform_data = g_variant_ref_sink (g_variant_builder_end (&builder)); g_signal_emit_by_name (launch_context, "launched", info, platform_data); g_variant_unref (platform_data); } notify_desktop_launch (session_bus, info, pid, display, sn_id, launched_uris); g_free (display); g_free (sn_id); g_list_free (launched_uris); g_strfreev (argv); argv = NULL; } while (uris != NULL); /* TODO - need to handle the process exiting immediately * after launching an app. See http://bugzilla.gnome.org/606960 */ if (session_bus != NULL) { /* This asynchronous flush holds a reference until it completes, * which ensures that the following unref won't immediately kill * the connection if we were the initial owner. */ g_dbus_connection_flush (session_bus, NULL, NULL, NULL); } completed = TRUE; out: g_clear_object (&session_bus); g_strfreev (argv); g_strfreev (envp); return completed; } static gboolean g_desktop_app_info_launch_uris (GAppInfo *appinfo, GList *uris, GAppLaunchContext *launch_context, GError **error) { return _g_desktop_app_info_launch_uris_internal (appinfo, uris, launch_context, _SPAWN_FLAGS_DEFAULT, NULL, NULL, NULL, NULL, error); } static gboolean g_desktop_app_info_supports_uris (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->exec && ((strstr (info->exec, "%u") != NULL) || (strstr (info->exec, "%U") != NULL)); } static gboolean g_desktop_app_info_supports_files (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return info->exec && ((strstr (info->exec, "%f") != NULL) || (strstr (info->exec, "%F") != NULL)); } static gboolean g_desktop_app_info_launch (GAppInfo *appinfo, GList *files, GAppLaunchContext *launch_context, GError **error) { GList *uris; char *uri; gboolean res; uris = NULL; while (files) { uri = g_file_get_uri (files->data); uris = g_list_prepend (uris, uri); files = files->next; } uris = g_list_reverse (uris); res = g_desktop_app_info_launch_uris (appinfo, uris, launch_context, error); g_list_free_full (uris, g_free); return res; } /** * g_desktop_app_info_launch_uris_as_manager: * @appinfo: a #GDesktopAppInfo * @uris: (element-type utf8): List of URIs * @launch_context: a #GAppLaunchContext * @spawn_flags: #GSpawnFlags, used for each process * @user_setup: (scope call): a #GSpawnChildSetupFunc, used once for * each process. * @user_setup_data: (closure user_setup): User data for @user_setup * @pid_callback: (scope call): Callback for child processes * @pid_callback_data: (closure pid_callback): User data for @callback * @error: return location for a #GError, or %NULL * * This function performs the equivalent of g_app_info_launch_uris(), * but is intended primarily for operating system components that * launch applications. Ordinary applications should use * g_app_info_launch_uris(). * * In contrast to g_app_info_launch_uris(), all processes created will * always be run directly as children as if by the UNIX fork()/exec() * calls. * * This guarantee allows additional control over the exact environment * of the child processes, which is provided via a setup function * @user_setup, as well as the process identifier of each child process * via @pid_callback. See g_spawn_async() for more information about the * semantics of the @user_setup function. * * Returns: %TRUE on successful launch, %FALSE otherwise. */ gboolean g_desktop_app_info_launch_uris_as_manager (GDesktopAppInfo *appinfo, GList *uris, GAppLaunchContext *launch_context, GSpawnFlags spawn_flags, GSpawnChildSetupFunc user_setup, gpointer user_setup_data, GDesktopAppLaunchCallback pid_callback, gpointer pid_callback_data, GError **error) { return _g_desktop_app_info_launch_uris_internal ((GAppInfo*)appinfo, uris, launch_context, spawn_flags, user_setup, user_setup_data, pid_callback, pid_callback_data, error); } /** * g_desktop_app_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 g_app_info_should_show() and * g_desktop_app_info_get_show_in() to evaluate the * OnlyShowIn and NotShowIn * desktop entry fields. * * The Desktop * Menu specification recognizes the following: * * GNOME * KDE * ROX * XFCE * LXDE * Unity * Old * * * Should be called only once; subsequent calls are ignored. */ void g_desktop_app_info_set_desktop_env (const gchar *desktop_env) { G_LOCK (g_desktop_env); if (!g_desktop_env) g_desktop_env = g_strdup (desktop_env); G_UNLOCK (g_desktop_env); } static gboolean g_desktop_app_info_should_show (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (info->nodisplay) return FALSE; return g_desktop_app_info_get_show_in (info, NULL); } typedef enum { APP_DIR, MIMETYPE_DIR } DirType; static char * ensure_dir (DirType type, GError **error) { char *path, *display_name; int errsv; if (type == APP_DIR) path = g_build_filename (g_get_user_data_dir (), "applications", NULL); else path = g_build_filename (g_get_user_data_dir (), "mime", "packages", NULL); errno = 0; if (g_mkdir_with_parents (path, 0700) == 0) return path; errsv = errno; display_name = g_filename_display_name (path); if (type == APP_DIR) g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv), _("Can't create user application configuration folder %s: %s"), display_name, g_strerror (errsv)); else g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv), _("Can't create user MIME configuration folder %s: %s"), display_name, g_strerror (errsv)); g_free (display_name); g_free (path); return NULL; } static gboolean update_mimeapps_list (const char *desktop_id, const char *content_type, UpdateMimeFlags flags, GError **error) { char *dirname, *filename, *string; GKeyFile *key_file; gboolean load_succeeded, res; char **old_list, **list; gsize length, data_size; char *data; int i, j, k; char **content_types; /* Don't add both at start and end */ g_assert (!((flags & UPDATE_MIME_SET_DEFAULT) && (flags & UPDATE_MIME_SET_NON_DEFAULT))); dirname = ensure_dir (APP_DIR, error); if (!dirname) return FALSE; filename = g_build_filename (dirname, "mimeapps.list", NULL); g_free (dirname); key_file = g_key_file_new (); load_succeeded = g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, NULL); if (!load_succeeded || (!g_key_file_has_group (key_file, ADDED_ASSOCIATIONS_GROUP) && !g_key_file_has_group (key_file, REMOVED_ASSOCIATIONS_GROUP) && !g_key_file_has_group (key_file, DEFAULT_APPLICATIONS_GROUP))) { g_key_file_free (key_file); key_file = g_key_file_new (); } if (content_type) { content_types = g_new (char *, 2); content_types[0] = g_strdup (content_type); content_types[1] = NULL; } else { content_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL); } for (k = 0; content_types && content_types[k]; k++) { /* set as default, if requested so */ string = g_key_file_get_string (key_file, DEFAULT_APPLICATIONS_GROUP, content_types[k], NULL); if (g_strcmp0 (string, desktop_id) != 0 && (flags & UPDATE_MIME_SET_DEFAULT)) { g_free (string); string = g_strdup (desktop_id); /* add in the non-default list too, if it's not already there */ flags |= UPDATE_MIME_SET_NON_DEFAULT; } if (string == NULL || desktop_id == NULL) g_key_file_remove_key (key_file, DEFAULT_APPLICATIONS_GROUP, content_types[k], NULL); else g_key_file_set_string (key_file, DEFAULT_APPLICATIONS_GROUP, content_types[k], string); g_free (string); } if (content_type) { /* reuse the list from above */ } else { g_strfreev (content_types); content_types = g_key_file_get_keys (key_file, ADDED_ASSOCIATIONS_GROUP, NULL, NULL); } for (k = 0; content_types && content_types[k]; k++) { /* Add to the right place in the list */ length = 0; old_list = g_key_file_get_string_list (key_file, ADDED_ASSOCIATIONS_GROUP, content_types[k], &length, NULL); list = g_new (char *, 1 + length + 1); i = 0; /* if we're adding a last-used hint, just put the application in front of the list */ if (flags & UPDATE_MIME_SET_LAST_USED) { /* avoid adding this again as non-default later */ if (flags & UPDATE_MIME_SET_NON_DEFAULT) flags ^= UPDATE_MIME_SET_NON_DEFAULT; list[i++] = g_strdup (desktop_id); } if (old_list) { for (j = 0; old_list[j] != NULL; j++) { if (g_strcmp0 (old_list[j], desktop_id) != 0) { /* rewrite other entries if they're different from the new one */ list[i++] = g_strdup (old_list[j]); } else if (flags & UPDATE_MIME_SET_NON_DEFAULT) { /* we encountered an old entry which is equal to the one we're adding as non-default, * don't change its position in the list. */ flags ^= UPDATE_MIME_SET_NON_DEFAULT; list[i++] = g_strdup (old_list[j]); } } } /* add it at the end of the list */ if (flags & UPDATE_MIME_SET_NON_DEFAULT) list[i++] = g_strdup (desktop_id); list[i] = NULL; g_strfreev (old_list); if (list[0] == NULL || desktop_id == NULL) g_key_file_remove_key (key_file, ADDED_ASSOCIATIONS_GROUP, content_types[k], NULL); else g_key_file_set_string_list (key_file, ADDED_ASSOCIATIONS_GROUP, content_types[k], (const char * const *)list, i); g_strfreev (list); } if (content_type) { /* reuse the list from above */ } else { g_strfreev (content_types); content_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP, NULL, NULL); } for (k = 0; content_types && content_types[k]; k++) { /* Remove from removed associations group (unless remove) */ length = 0; old_list = g_key_file_get_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP, content_types[k], &length, NULL); list = g_new (char *, 1 + length + 1); i = 0; if (flags & UPDATE_MIME_REMOVE) list[i++] = g_strdup (desktop_id); if (old_list) { for (j = 0; old_list[j] != NULL; j++) { if (g_strcmp0 (old_list[j], desktop_id) != 0) list[i++] = g_strdup (old_list[j]); } } list[i] = NULL; g_strfreev (old_list); if (list[0] == NULL || desktop_id == NULL) g_key_file_remove_key (key_file, REMOVED_ASSOCIATIONS_GROUP, content_types[k], NULL); else g_key_file_set_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP, content_types[k], (const char * const *)list, i); g_strfreev (list); } g_strfreev (content_types); data = g_key_file_to_data (key_file, &data_size, error); g_key_file_free (key_file); res = g_file_set_contents (filename, data, data_size, error); mime_info_cache_reload (NULL); g_free (filename); g_free (data); return res; } static gboolean g_desktop_app_info_set_as_last_used_for_type (GAppInfo *appinfo, const char *content_type, GError **error) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (!g_desktop_app_info_ensure_saved (info, error)) return FALSE; if (!info->desktop_id) { g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Application information lacks an identifier")); return FALSE; } /* both add support for the content type and set as last used */ return update_mimeapps_list (info->desktop_id, content_type, UPDATE_MIME_SET_NON_DEFAULT | UPDATE_MIME_SET_LAST_USED, error); } static gboolean g_desktop_app_info_set_as_default_for_type (GAppInfo *appinfo, const char *content_type, GError **error) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (!g_desktop_app_info_ensure_saved (info, error)) return FALSE; if (!info->desktop_id) { g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Application information lacks an identifier")); return FALSE; } return update_mimeapps_list (info->desktop_id, content_type, UPDATE_MIME_SET_DEFAULT, error); } static void update_program_done (GPid pid, gint status, gpointer data) { /* Did the application exit correctly */ if (g_spawn_check_exit_status (status, NULL)) { /* Here we could clean out any caches in use */ } } static void run_update_command (char *command, char *subdir) { char *argv[3] = { NULL, NULL, NULL, }; GPid pid = 0; GError *error = NULL; argv[0] = command; argv[1] = g_build_filename (g_get_user_data_dir (), subdir, NULL); if (g_spawn_async ("/", argv, NULL, /* envp */ G_SPAWN_SEARCH_PATH | G_SPAWN_STDOUT_TO_DEV_NULL | G_SPAWN_STDERR_TO_DEV_NULL | G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, /* No setup function */ &pid, &error)) g_child_watch_add (pid, update_program_done, NULL); else { /* If we get an error at this point, it's quite likely the user doesn't * have an installed copy of either 'update-mime-database' or * 'update-desktop-database'. I don't think we want to popup an error * dialog at this point, so we just do a g_warning to give the user a * chance of debugging it. */ g_warning ("%s", error->message); } g_free (argv[1]); } static gboolean g_desktop_app_info_set_as_default_for_extension (GAppInfo *appinfo, const char *extension, GError **error) { char *filename, *basename, *mimetype; char *dirname; gboolean res; if (!g_desktop_app_info_ensure_saved (G_DESKTOP_APP_INFO (appinfo), error)) return FALSE; dirname = ensure_dir (MIMETYPE_DIR, error); if (!dirname) return FALSE; basename = g_strdup_printf ("user-extension-%s.xml", extension); filename = g_build_filename (dirname, basename, NULL); g_free (basename); g_free (dirname); mimetype = g_strdup_printf ("application/x-extension-%s", extension); if (!g_file_test (filename, G_FILE_TEST_EXISTS)) { char *contents; contents = g_strdup_printf ("\n" "\n" " \n" " %s document\n" " \n" " \n" "\n", mimetype, extension, extension); g_file_set_contents (filename, contents, -1, NULL); g_free (contents); run_update_command ("update-mime-database", "mime"); } g_free (filename); res = g_desktop_app_info_set_as_default_for_type (appinfo, mimetype, error); g_free (mimetype); return res; } static gboolean g_desktop_app_info_add_supports_type (GAppInfo *appinfo, const char *content_type, GError **error) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (!g_desktop_app_info_ensure_saved (G_DESKTOP_APP_INFO (info), error)) return FALSE; return update_mimeapps_list (info->desktop_id, content_type, UPDATE_MIME_SET_NON_DEFAULT, error); } static gboolean g_desktop_app_info_can_remove_supports_type (GAppInfo *appinfo) { return TRUE; } static gboolean g_desktop_app_info_remove_supports_type (GAppInfo *appinfo, const char *content_type, GError **error) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (!g_desktop_app_info_ensure_saved (G_DESKTOP_APP_INFO (info), error)) return FALSE; return update_mimeapps_list (info->desktop_id, content_type, UPDATE_MIME_REMOVE, error); } static const char ** g_desktop_app_info_get_supported_types (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); return (const char**) info->mime_types; } static gboolean g_desktop_app_info_ensure_saved (GDesktopAppInfo *info, GError **error) { GKeyFile *key_file; char *dirname; char *filename; char *data, *desktop_id; gsize data_size; int fd; gboolean res; if (info->filename != NULL) return TRUE; /* This is only used for object created with * g_app_info_create_from_commandline. All other * object should have a filename */ dirname = ensure_dir (APP_DIR, error); if (!dirname) return FALSE; key_file = g_key_file_new (); g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, "Encoding", "UTF-8"); g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_VERSION, "1.0"); g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TYPE, G_KEY_FILE_DESKTOP_TYPE_APPLICATION); if (info->terminal) g_key_file_set_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_TERMINAL, TRUE); if (info->nodisplay) g_key_file_set_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, TRUE); g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_EXEC, info->exec); g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NAME, info->name); if (info->generic_name != NULL) g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, GENERIC_NAME_KEY, info->generic_name); if (info->fullname != NULL) g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, FULL_NAME_KEY, info->fullname); g_key_file_set_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_COMMENT, info->comment); g_key_file_set_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_NO_DISPLAY, TRUE); data = g_key_file_to_data (key_file, &data_size, NULL); g_key_file_free (key_file); desktop_id = g_strdup_printf ("userapp-%s-XXXXXX.desktop", info->name); filename = g_build_filename (dirname, desktop_id, NULL); g_free (desktop_id); g_free (dirname); fd = g_mkstemp (filename); if (fd == -1) { char *display_name; display_name = g_filename_display_name (filename); g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, _("Can't create user desktop file %s"), display_name); g_free (display_name); g_free (filename); g_free (data); return FALSE; } desktop_id = g_path_get_basename (filename); close (fd); res = g_file_set_contents (filename, data, data_size, error); g_free (data); if (!res) { g_free (desktop_id); g_free (filename); return FALSE; } info->filename = filename; info->desktop_id = desktop_id; run_update_command ("update-desktop-database", "applications"); return TRUE; } static gboolean g_desktop_app_info_can_delete (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (info->filename) { if (strstr (info->filename, "/userapp-")) return g_access (info->filename, W_OK) == 0; } return FALSE; } static gboolean g_desktop_app_info_delete (GAppInfo *appinfo) { GDesktopAppInfo *info = G_DESKTOP_APP_INFO (appinfo); if (info->filename) { if (g_remove (info->filename) == 0) { update_mimeapps_list (info->desktop_id, NULL, UPDATE_MIME_NONE, NULL); g_free (info->filename); info->filename = NULL; g_free (info->desktop_id); info->desktop_id = NULL; return TRUE; } } return FALSE; } /** * g_app_info_create_from_commandline: * @commandline: the commandline to use * @application_name: (allow-none): the application name, or %NULL to use @commandline * @flags: flags that can specify details of the created #GAppInfo * @error: a #GError location to store the error occurring, %NULL to ignore. * * Creates a new #GAppInfo from the given information. * * Note that for @commandline, the quoting rules of the Exec key of the * freedesktop.org Desktop * Entry Specification are applied. For example, if the @commandline contains * percent-encoded URIs, the percent-character must be doubled in order to prevent it from * being swallowed by Exec key unquoting. See the specification for exact quoting rules. * * Returns: (transfer full): new #GAppInfo for given command. **/ GAppInfo * g_app_info_create_from_commandline (const char *commandline, const char *application_name, GAppInfoCreateFlags flags, GError **error) { char **split; char *basename; GDesktopAppInfo *info; g_return_val_if_fail (commandline, NULL); info = g_object_new (G_TYPE_DESKTOP_APP_INFO, NULL); info->filename = NULL; info->desktop_id = NULL; info->terminal = (flags & G_APP_INFO_CREATE_NEEDS_TERMINAL) != 0; info->startup_notify = (flags & G_APP_INFO_CREATE_SUPPORTS_STARTUP_NOTIFICATION) != 0; info->hidden = FALSE; if ((flags & G_APP_INFO_CREATE_SUPPORTS_URIS) != 0) info->exec = g_strconcat (commandline, " %u", NULL); else info->exec = g_strconcat (commandline, " %f", NULL); info->nodisplay = TRUE; info->binary = binary_from_exec (info->exec); if (application_name) info->name = g_strdup (application_name); else { /* FIXME: this should be more robust. Maybe g_shell_parse_argv and use argv[0] */ split = g_strsplit (commandline, " ", 2); basename = split[0] ? g_path_get_basename (split[0]) : NULL; g_strfreev (split); info->name = basename; if (info->name == NULL) info->name = g_strdup ("custom"); } info->comment = g_strdup_printf (_("Custom definition for %s"), info->name); return G_APP_INFO (info); } static void g_desktop_app_info_iface_init (GAppInfoIface *iface) { iface->dup = g_desktop_app_info_dup; iface->equal = g_desktop_app_info_equal; iface->get_id = g_desktop_app_info_get_id; iface->get_name = g_desktop_app_info_get_name; iface->get_description = g_desktop_app_info_get_description; iface->get_executable = g_desktop_app_info_get_executable; iface->get_icon = g_desktop_app_info_get_icon; iface->launch = g_desktop_app_info_launch; iface->supports_uris = g_desktop_app_info_supports_uris; iface->supports_files = g_desktop_app_info_supports_files; iface->launch_uris = g_desktop_app_info_launch_uris; iface->should_show = g_desktop_app_info_should_show; iface->set_as_default_for_type = g_desktop_app_info_set_as_default_for_type; iface->set_as_default_for_extension = g_desktop_app_info_set_as_default_for_extension; iface->add_supports_type = g_desktop_app_info_add_supports_type; iface->can_remove_supports_type = g_desktop_app_info_can_remove_supports_type; iface->remove_supports_type = g_desktop_app_info_remove_supports_type; iface->can_delete = g_desktop_app_info_can_delete; iface->do_delete = g_desktop_app_info_delete; iface->get_commandline = g_desktop_app_info_get_commandline; iface->get_display_name = g_desktop_app_info_get_display_name; iface->set_as_last_used_for_type = g_desktop_app_info_set_as_last_used_for_type; iface->get_supported_types = g_desktop_app_info_get_supported_types; } static gboolean app_info_in_list (GAppInfo *info, GList *list) { while (list != NULL) { if (g_app_info_equal (info, list->data)) return TRUE; list = list->next; } return FALSE; } /** * g_app_info_get_recommended_for_type: * @content_type: the content type to find a #GAppInfo for * * Gets a list of recommended #GAppInfos for a given content type, i.e. * those applications which claim to support the given content type exactly, * and not by MIME type subclassing. * Note that the first application of the list is the last used one, i.e. * the last one for which g_app_info_set_as_last_used_for_type() has been * called. * * Returns: (element-type GAppInfo) (transfer full): #GList of #GAppInfos * for given @content_type or %NULL on error. * * Since: 2.28 **/ GList * g_app_info_get_recommended_for_type (const gchar *content_type) { GList *desktop_entries, *l; GList *infos; GDesktopAppInfo *info; g_return_val_if_fail (content_type != NULL, NULL); desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, FALSE, NULL); infos = NULL; for (l = desktop_entries; l != NULL; l = l->next) { char *desktop_entry = l->data; info = g_desktop_app_info_new (desktop_entry); if (info) { if (app_info_in_list (G_APP_INFO (info), infos)) g_object_unref (info); else infos = g_list_prepend (infos, info); } g_free (desktop_entry); } g_list_free (desktop_entries); return g_list_reverse (infos); } /** * g_app_info_get_fallback_for_type: * @content_type: the content type to find a #GAppInfo for * * Gets a list of fallback #GAppInfos for a given content type, i.e. * those applications which claim to support the given content type * by MIME type subclassing and not directly. * * Returns: (element-type GAppInfo) (transfer full): #GList of #GAppInfos * for given @content_type or %NULL on error. * * Since: 2.28 **/ GList * g_app_info_get_fallback_for_type (const gchar *content_type) { GList *desktop_entries, *l; GList *infos, *recommended_infos; GDesktopAppInfo *info; g_return_val_if_fail (content_type != NULL, NULL); desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, NULL); recommended_infos = g_app_info_get_recommended_for_type (content_type); infos = NULL; for (l = desktop_entries; l != NULL; l = l->next) { char *desktop_entry = l->data; info = g_desktop_app_info_new (desktop_entry); if (info) { if (app_info_in_list (G_APP_INFO (info), infos) || app_info_in_list (G_APP_INFO (info), recommended_infos)) g_object_unref (info); else infos = g_list_prepend (infos, info); } g_free (desktop_entry); } g_list_free (desktop_entries); g_list_free_full (recommended_infos, g_object_unref); return g_list_reverse (infos); } /** * g_app_info_get_all_for_type: * @content_type: the content type to find a #GAppInfo for * * Gets a list of all #GAppInfos for a given content type, * including the recommended and fallback #GAppInfos. See * g_app_info_get_recommended_for_type() and * g_app_info_get_fallback_for_type(). * * Returns: (element-type GAppInfo) (transfer full): #GList of #GAppInfos * for given @content_type or %NULL on error. **/ GList * g_app_info_get_all_for_type (const char *content_type) { GList *desktop_entries, *l; GList *infos; char *user_default = NULL; GDesktopAppInfo *info; g_return_val_if_fail (content_type != NULL, NULL); desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, &user_default); infos = NULL; /* put the user default in front of the list, for compatibility */ if (user_default != NULL) { info = g_desktop_app_info_new (user_default); if (info != NULL) infos = g_list_prepend (infos, info); } g_free (user_default); for (l = desktop_entries; l != NULL; l = l->next) { char *desktop_entry = l->data; info = g_desktop_app_info_new (desktop_entry); if (info) { if (app_info_in_list (G_APP_INFO (info), infos)) g_object_unref (info); else infos = g_list_prepend (infos, info); } g_free (desktop_entry); } g_list_free (desktop_entries); return g_list_reverse (infos); } /** * g_app_info_reset_type_associations: * @content_type: a content type * * Removes all changes to the type associations done by * g_app_info_set_as_default_for_type(), * g_app_info_set_as_default_for_extension(), * g_app_info_add_supports_type() or * g_app_info_remove_supports_type(). * * Since: 2.20 */ void g_app_info_reset_type_associations (const char *content_type) { update_mimeapps_list (NULL, content_type, UPDATE_MIME_NONE, NULL); } /** * g_app_info_get_default_for_type: * @content_type: the content type to find a #GAppInfo for * @must_support_uris: if %TRUE, the #GAppInfo is expected to * support URIs * * Gets the default #GAppInfo for a given content type. * * Returns: (transfer full): #GAppInfo for given @content_type or * %NULL on error. */ GAppInfo * g_app_info_get_default_for_type (const char *content_type, gboolean must_support_uris) { GList *desktop_entries, *l; char *user_default = NULL; GAppInfo *info; g_return_val_if_fail (content_type != NULL, NULL); desktop_entries = get_all_desktop_entries_for_mime_type (content_type, NULL, TRUE, &user_default); info = NULL; if (user_default != NULL) { info = (GAppInfo *) g_desktop_app_info_new (user_default); if (info) { if (must_support_uris && !g_app_info_supports_uris (info)) { g_object_unref (info); info = NULL; } } } g_free (user_default); if (info != NULL) { g_list_free_full (desktop_entries, g_free); return info; } /* pick the first from the other list that matches our URI * requirements. */ for (l = desktop_entries; l != NULL; l = l->next) { char *desktop_entry = l->data; info = (GAppInfo *)g_desktop_app_info_new (desktop_entry); if (info) { if (must_support_uris && !g_app_info_supports_uris (info)) { g_object_unref (info); info = NULL; } else break; } } g_list_free_full (desktop_entries, g_free); return info; } /** * g_app_info_get_default_for_uri_scheme: * @uri_scheme: a string containing a URI scheme. * * Gets the default application for handling URIs with * the given URI scheme. A URI scheme is the initial part * of the URI, up to but not including the ':', e.g. "http", * "ftp" or "sip". * * Returns: (transfer full): #GAppInfo for given @uri_scheme or %NULL on error. */ GAppInfo * g_app_info_get_default_for_uri_scheme (const char *uri_scheme) { GAppInfo *app_info; char *content_type, *scheme_down; scheme_down = g_ascii_strdown (uri_scheme, -1); content_type = g_strdup_printf ("x-scheme-handler/%s", scheme_down); g_free (scheme_down); app_info = g_app_info_get_default_for_type (content_type, FALSE); g_free (content_type); return app_info; } static void get_apps_from_dir (GHashTable *apps, const char *dirname, const char *prefix) { GDir *dir; const char *basename; char *filename, *subprefix, *desktop_id; gboolean hidden; GDesktopAppInfo *appinfo; 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, ".desktop")) { desktop_id = g_strconcat (prefix, basename, NULL); /* Use _extended so we catch NULLs too (hidden) */ if (!g_hash_table_lookup_extended (apps, desktop_id, NULL, NULL)) { appinfo = g_desktop_app_info_new_from_filename (filename); hidden = FALSE; if (appinfo && g_desktop_app_info_get_is_hidden (appinfo)) { g_object_unref (appinfo); appinfo = NULL; hidden = TRUE; } if (appinfo || hidden) { g_hash_table_insert (apps, g_strdup (desktop_id), appinfo); if (appinfo) { /* Reuse instead of strdup here */ appinfo->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_apps_from_dir (apps, filename, subprefix); g_free (subprefix); } } g_free (filename); } g_dir_close (dir); } } /** * g_app_info_get_all: * * Gets a list of all of the applications currently registered * on this system. * * For desktop files, this includes applications that have * NoDisplay=true set or are excluded from * display by means of OnlyShowIn or * NotShowIn. See g_app_info_should_show(). * The returned list does not include applications which have * the Hidden key set. * * Returns: (element-type GAppInfo) (transfer full): a newly allocated #GList of references to #GAppInfos. **/ GList * g_app_info_get_all (void) { const char * const *dirs; GHashTable *apps; GHashTableIter iter; gpointer value; int i; GList *infos; dirs = get_applications_search_path (); apps = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); for (i = 0; dirs[i] != NULL; i++) get_apps_from_dir (apps, dirs[i], ""); infos = NULL; g_hash_table_iter_init (&iter, apps); while (g_hash_table_iter_next (&iter, NULL, &value)) { if (value) infos = g_list_prepend (infos, value); } g_hash_table_destroy (apps); return g_list_reverse (infos); } /* Cacheing of mimeinfo.cache and defaults.list files */ typedef struct { char *path; GHashTable *mime_info_cache_map; GHashTable *defaults_list_map; GHashTable *mimeapps_list_added_map; GHashTable *mimeapps_list_removed_map; GHashTable *mimeapps_list_defaults_map; time_t mime_info_cache_timestamp; time_t defaults_list_timestamp; time_t mimeapps_list_timestamp; } MimeInfoCacheDir; typedef struct { GList *dirs; /* mimeinfo.cache and defaults.list */ GHashTable *global_defaults_cache; /* global results of defaults.list lookup and validation */ time_t last_stat_time; guint should_ping_mime_monitor : 1; } MimeInfoCache; static MimeInfoCache *mime_info_cache = NULL; G_LOCK_DEFINE_STATIC (mime_info_cache); static void mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir, const char *mime_type, char **new_desktop_file_ids); static MimeInfoCache * mime_info_cache_new (void); static void destroy_info_cache_value (gpointer key, GList *value, gpointer data) { g_list_free_full (value, g_free); } static void destroy_info_cache_map (GHashTable *info_cache_map) { g_hash_table_foreach (info_cache_map, (GHFunc)destroy_info_cache_value, NULL); g_hash_table_destroy (info_cache_map); } static gboolean mime_info_cache_dir_out_of_date (MimeInfoCacheDir *dir, const char *cache_file, time_t *timestamp) { struct stat buf; char *filename; filename = g_build_filename (dir->path, cache_file, NULL); if (g_stat (filename, &buf) < 0) { g_free (filename); return TRUE; } g_free (filename); if (buf.st_mtime != *timestamp) return TRUE; return FALSE; } /* Call with lock held */ static gboolean remove_all (gpointer key, gpointer value, gpointer user_data) { return TRUE; } static void mime_info_cache_blow_global_cache (void) { g_hash_table_foreach_remove (mime_info_cache->global_defaults_cache, remove_all, NULL); } static void mime_info_cache_dir_init (MimeInfoCacheDir *dir) { GError *load_error; GKeyFile *key_file; gchar *filename, **mime_types; int i; struct stat buf; load_error = NULL; mime_types = NULL; if (dir->mime_info_cache_map != NULL && !mime_info_cache_dir_out_of_date (dir, "mimeinfo.cache", &dir->mime_info_cache_timestamp)) return; if (dir->mime_info_cache_map != NULL) destroy_info_cache_map (dir->mime_info_cache_map); dir->mime_info_cache_map = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, NULL); key_file = g_key_file_new (); filename = g_build_filename (dir->path, "mimeinfo.cache", NULL); if (g_stat (filename, &buf) < 0) goto error; if (dir->mime_info_cache_timestamp > 0) mime_info_cache->should_ping_mime_monitor = TRUE; dir->mime_info_cache_timestamp = buf.st_mtime; g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error); g_free (filename); filename = NULL; if (load_error != NULL) goto error; mime_types = g_key_file_get_keys (key_file, MIME_CACHE_GROUP, NULL, &load_error); if (load_error != NULL) goto error; for (i = 0; mime_types[i] != NULL; i++) { gchar **desktop_file_ids; char *unaliased_type; desktop_file_ids = g_key_file_get_string_list (key_file, MIME_CACHE_GROUP, mime_types[i], NULL, NULL); if (desktop_file_ids == NULL) continue; unaliased_type = _g_unix_content_type_unalias (mime_types[i]); mime_info_cache_dir_add_desktop_entries (dir, unaliased_type, desktop_file_ids); g_free (unaliased_type); g_strfreev (desktop_file_ids); } g_strfreev (mime_types); g_key_file_free (key_file); return; error: g_free (filename); g_key_file_free (key_file); if (mime_types != NULL) g_strfreev (mime_types); if (load_error) g_error_free (load_error); } static void mime_info_cache_dir_init_defaults_list (MimeInfoCacheDir *dir) { GKeyFile *key_file; GError *load_error; gchar *filename, **mime_types; char *unaliased_type; char **desktop_file_ids; int i; struct stat buf; load_error = NULL; mime_types = NULL; if (dir->defaults_list_map != NULL && !mime_info_cache_dir_out_of_date (dir, "defaults.list", &dir->defaults_list_timestamp)) return; if (dir->defaults_list_map != NULL) g_hash_table_destroy (dir->defaults_list_map); dir->defaults_list_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)g_strfreev); key_file = g_key_file_new (); filename = g_build_filename (dir->path, "defaults.list", NULL); if (g_stat (filename, &buf) < 0) goto error; if (dir->defaults_list_timestamp > 0) mime_info_cache->should_ping_mime_monitor = TRUE; dir->defaults_list_timestamp = buf.st_mtime; g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error); g_free (filename); filename = NULL; if (load_error != NULL) goto error; mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL); if (mime_types != NULL) { for (i = 0; mime_types[i] != NULL; i++) { desktop_file_ids = g_key_file_get_string_list (key_file, DEFAULT_APPLICATIONS_GROUP, mime_types[i], NULL, NULL); if (desktop_file_ids == NULL) continue; unaliased_type = _g_unix_content_type_unalias (mime_types[i]); g_hash_table_replace (dir->defaults_list_map, unaliased_type, desktop_file_ids); } g_strfreev (mime_types); } g_key_file_free (key_file); return; error: g_free (filename); g_key_file_free (key_file); if (mime_types != NULL) g_strfreev (mime_types); if (load_error) g_error_free (load_error); } static void mime_info_cache_dir_init_mimeapps_list (MimeInfoCacheDir *dir) { GKeyFile *key_file; GError *load_error; gchar *filename, **mime_types; char *unaliased_type; char **desktop_file_ids; char *desktop_id; int i; struct stat buf; load_error = NULL; mime_types = NULL; if (dir->mimeapps_list_added_map != NULL && !mime_info_cache_dir_out_of_date (dir, "mimeapps.list", &dir->mimeapps_list_timestamp)) return; if (dir->mimeapps_list_added_map != NULL) g_hash_table_destroy (dir->mimeapps_list_added_map); dir->mimeapps_list_added_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)g_strfreev); if (dir->mimeapps_list_removed_map != NULL) g_hash_table_destroy (dir->mimeapps_list_removed_map); dir->mimeapps_list_removed_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify)g_strfreev); if (dir->mimeapps_list_defaults_map != NULL) g_hash_table_destroy (dir->mimeapps_list_defaults_map); dir->mimeapps_list_defaults_map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); key_file = g_key_file_new (); filename = g_build_filename (dir->path, "mimeapps.list", NULL); if (g_stat (filename, &buf) < 0) goto error; if (dir->mimeapps_list_timestamp > 0) mime_info_cache->should_ping_mime_monitor = TRUE; dir->mimeapps_list_timestamp = buf.st_mtime; g_key_file_load_from_file (key_file, filename, G_KEY_FILE_NONE, &load_error); g_free (filename); filename = NULL; if (load_error != NULL) goto error; mime_types = g_key_file_get_keys (key_file, ADDED_ASSOCIATIONS_GROUP, NULL, NULL); if (mime_types != NULL) { for (i = 0; mime_types[i] != NULL; i++) { desktop_file_ids = g_key_file_get_string_list (key_file, ADDED_ASSOCIATIONS_GROUP, mime_types[i], NULL, NULL); if (desktop_file_ids == NULL) continue; unaliased_type = _g_unix_content_type_unalias (mime_types[i]); g_hash_table_replace (dir->mimeapps_list_added_map, unaliased_type, desktop_file_ids); } g_strfreev (mime_types); } mime_types = g_key_file_get_keys (key_file, REMOVED_ASSOCIATIONS_GROUP, NULL, NULL); if (mime_types != NULL) { for (i = 0; mime_types[i] != NULL; i++) { desktop_file_ids = g_key_file_get_string_list (key_file, REMOVED_ASSOCIATIONS_GROUP, mime_types[i], NULL, NULL); if (desktop_file_ids == NULL) continue; unaliased_type = _g_unix_content_type_unalias (mime_types[i]); g_hash_table_replace (dir->mimeapps_list_removed_map, unaliased_type, desktop_file_ids); } g_strfreev (mime_types); } mime_types = g_key_file_get_keys (key_file, DEFAULT_APPLICATIONS_GROUP, NULL, NULL); if (mime_types != NULL) { for (i = 0; mime_types[i] != NULL; i++) { desktop_id = g_key_file_get_string (key_file, DEFAULT_APPLICATIONS_GROUP, mime_types[i], NULL); if (desktop_id == NULL) continue; unaliased_type = _g_unix_content_type_unalias (mime_types[i]); g_hash_table_replace (dir->mimeapps_list_defaults_map, unaliased_type, desktop_id); } g_strfreev (mime_types); } g_key_file_free (key_file); return; error: g_free (filename); g_key_file_free (key_file); if (mime_types != NULL) g_strfreev (mime_types); if (load_error) g_error_free (load_error); } static MimeInfoCacheDir * mime_info_cache_dir_new (const char *path) { MimeInfoCacheDir *dir; dir = g_new0 (MimeInfoCacheDir, 1); dir->path = g_strdup (path); return dir; } static void mime_info_cache_dir_free (MimeInfoCacheDir *dir) { if (dir == NULL) return; if (dir->mime_info_cache_map != NULL) { destroy_info_cache_map (dir->mime_info_cache_map); dir->mime_info_cache_map = NULL; } if (dir->defaults_list_map != NULL) { g_hash_table_destroy (dir->defaults_list_map); dir->defaults_list_map = NULL; } if (dir->mimeapps_list_added_map != NULL) { g_hash_table_destroy (dir->mimeapps_list_added_map); dir->mimeapps_list_added_map = NULL; } if (dir->mimeapps_list_removed_map != NULL) { g_hash_table_destroy (dir->mimeapps_list_removed_map); dir->mimeapps_list_removed_map = NULL; } if (dir->mimeapps_list_defaults_map != NULL) { g_hash_table_destroy (dir->mimeapps_list_defaults_map); dir->mimeapps_list_defaults_map = NULL; } g_free (dir); } static void mime_info_cache_dir_add_desktop_entries (MimeInfoCacheDir *dir, const char *mime_type, char **new_desktop_file_ids) { GList *desktop_file_ids; int i; desktop_file_ids = g_hash_table_lookup (dir->mime_info_cache_map, mime_type); for (i = 0; new_desktop_file_ids[i] != NULL; i++) { if (!g_list_find_custom (desktop_file_ids, new_desktop_file_ids[i], (GCompareFunc) strcmp)) desktop_file_ids = g_list_append (desktop_file_ids, g_strdup (new_desktop_file_ids[i])); } g_hash_table_insert (dir->mime_info_cache_map, g_strdup (mime_type), desktop_file_ids); } static void mime_info_cache_init_dir_lists (void) { const char * const *dirs; int i; mime_info_cache = mime_info_cache_new (); dirs = get_applications_search_path (); for (i = 0; dirs[i] != NULL; i++) { MimeInfoCacheDir *dir; dir = mime_info_cache_dir_new (dirs[i]); if (dir != NULL) { mime_info_cache_dir_init (dir); mime_info_cache_dir_init_defaults_list (dir); mime_info_cache_dir_init_mimeapps_list (dir); mime_info_cache->dirs = g_list_append (mime_info_cache->dirs, dir); } } } static void mime_info_cache_update_dir_lists (void) { GList *tmp; tmp = mime_info_cache->dirs; while (tmp != NULL) { MimeInfoCacheDir *dir = (MimeInfoCacheDir *) tmp->data; /* No need to do this if we had file monitors... */ mime_info_cache_blow_global_cache (); mime_info_cache_dir_init (dir); mime_info_cache_dir_init_defaults_list (dir); mime_info_cache_dir_init_mimeapps_list (dir); tmp = tmp->next; } } static void mime_info_cache_init (void) { G_LOCK (mime_info_cache); if (mime_info_cache == NULL) mime_info_cache_init_dir_lists (); else { time_t now; time (&now); if (now >= mime_info_cache->last_stat_time + 10) { mime_info_cache_update_dir_lists (); mime_info_cache->last_stat_time = now; } } if (mime_info_cache->should_ping_mime_monitor) { /* g_idle_add (emit_mime_changed, NULL); */ mime_info_cache->should_ping_mime_monitor = FALSE; } G_UNLOCK (mime_info_cache); } static MimeInfoCache * mime_info_cache_new (void) { MimeInfoCache *cache; cache = g_new0 (MimeInfoCache, 1); cache->global_defaults_cache = g_hash_table_new_full (g_str_hash, g_str_equal, (GDestroyNotify) g_free, (GDestroyNotify) g_free); return cache; } static void mime_info_cache_free (MimeInfoCache *cache) { if (cache == NULL) return; g_list_free_full (cache->dirs, (GDestroyNotify) mime_info_cache_dir_free); g_hash_table_destroy (cache->global_defaults_cache); g_free (cache); } /** * mime_info_cache_reload: * @dir: directory path which needs reloading. * * Reload the mime information for the @dir. */ static void mime_info_cache_reload (const char *dir) { /* FIXME: just reload the dir that needs reloading, * don't blow the whole cache */ if (mime_info_cache != NULL) { G_LOCK (mime_info_cache); mime_info_cache_free (mime_info_cache); mime_info_cache = NULL; G_UNLOCK (mime_info_cache); } } static GList * append_desktop_entry (GList *list, const char *desktop_entry, GList *removed_entries) { /* Add if not already in list, and valid */ if (!g_list_find_custom (list, desktop_entry, (GCompareFunc) strcmp) && !g_list_find_custom (removed_entries, desktop_entry, (GCompareFunc) strcmp)) list = g_list_prepend (list, g_strdup (desktop_entry)); return list; } /** * get_all_desktop_entries_for_mime_type: * @mime_type: a mime type. * @except: NULL or a strv list * * Returns all the desktop ids for @mime_type. The desktop files * are listed in an order so that default applications are listed before * non-default ones, and handlers for inherited mimetypes are listed * after the base ones. * * Optionally doesn't list the desktop ids given in the @except * * Return value: a #GList containing the desktop ids which claim * to handle @mime_type. */ static GList * get_all_desktop_entries_for_mime_type (const char *base_mime_type, const char **except, gboolean include_fallback, char **explicit_default) { GList *desktop_entries, *removed_entries, *list, *dir_list, *tmp; MimeInfoCacheDir *dir; char *mime_type, *default_entry = NULL; char *old_default_entry = NULL; const char *entry; char **mime_types; char **default_entries; char **removed_associations; gboolean already_found_handler; int i, j, k; GPtrArray *array; char **anc; mime_info_cache_init (); if (include_fallback) { /* collect all ancestors */ mime_types = _g_unix_content_type_get_parents (base_mime_type); array = g_ptr_array_new (); for (i = 0; mime_types[i]; i++) g_ptr_array_add (array, mime_types[i]); g_free (mime_types); for (i = 0; i < array->len; i++) { anc = _g_unix_content_type_get_parents (g_ptr_array_index (array, i)); for (j = 0; anc[j]; j++) { for (k = 0; k < array->len; k++) { if (strcmp (anc[j], g_ptr_array_index (array, k)) == 0) break; } if (k == array->len) /* not found */ g_ptr_array_add (array, g_strdup (anc[j])); } g_strfreev (anc); } g_ptr_array_add (array, NULL); mime_types = (char **)g_ptr_array_free (array, FALSE); } else { mime_types = g_malloc0 (2 * sizeof (gchar *)); mime_types[0] = g_strdup (base_mime_type); mime_types[1] = NULL; } G_LOCK (mime_info_cache); removed_entries = NULL; desktop_entries = NULL; for (i = 0; except != NULL && except[i] != NULL; i++) removed_entries = g_list_prepend (removed_entries, g_strdup (except[i])); for (i = 0; mime_types[i] != NULL; i++) { mime_type = mime_types[i]; /* This is true if we already found a handler for a more specific mimetype. If its set we ignore any defaults for the less specific mimetypes. */ already_found_handler = (desktop_entries != NULL); /* Go through all apps listed in user and system dirs */ for (dir_list = mime_info_cache->dirs; dir_list != NULL; dir_list = dir_list->next) { dir = dir_list->data; /* Pick the explicit default application if we got no result earlier * (ie, for more specific mime types) */ if (!already_found_handler) { entry = g_hash_table_lookup (dir->mimeapps_list_defaults_map, mime_type); if (entry != NULL) { /* Save the default entry if it's the first one we encounter */ if (default_entry == NULL) default_entry = g_strdup (entry); } } /* Then added associations from mimeapps.list */ default_entries = g_hash_table_lookup (dir->mimeapps_list_added_map, mime_type); for (j = 0; default_entries != NULL && default_entries[j] != NULL; j++) desktop_entries = append_desktop_entry (desktop_entries, default_entries[j], removed_entries); /* Then removed associations from mimeapps.list */ removed_associations = g_hash_table_lookup (dir->mimeapps_list_removed_map, mime_type); for (j = 0; removed_associations != NULL && removed_associations[j] != NULL; j++) removed_entries = append_desktop_entry (removed_entries, removed_associations[j], NULL); /* Then system defaults (or old per-user config) (using removed associations from this dir or earlier) */ default_entries = g_hash_table_lookup (dir->defaults_list_map, mime_type); for (j = 0; default_entries != NULL && default_entries[j] != NULL; j++) { if (default_entry == NULL && old_default_entry == NULL && !already_found_handler) old_default_entry = g_strdup (default_entries[j]); desktop_entries = append_desktop_entry (desktop_entries, default_entries[j], removed_entries); } } /* Go through all entries that support the mimetype */ for (dir_list = mime_info_cache->dirs; dir_list != NULL; dir_list = dir_list->next) { dir = dir_list->data; list = g_hash_table_lookup (dir->mime_info_cache_map, mime_type); for (tmp = list; tmp != NULL; tmp = tmp->next) desktop_entries = append_desktop_entry (desktop_entries, tmp->data, removed_entries); } } G_UNLOCK (mime_info_cache); g_strfreev (mime_types); /* If we have no default from mimeapps.list, take it from * defaults.list intead. * * If we do have a default from mimeapps.list, free any one that came * from defaults.list. */ if (default_entry == NULL) default_entry = old_default_entry; else g_free (old_default_entry); if (explicit_default != NULL) *explicit_default = default_entry; else g_free (default_entry); g_list_free_full (removed_entries, g_free); desktop_entries = g_list_reverse (desktop_entries); return desktop_entries; } /* GDesktopAppInfoLookup interface: */ G_GNUC_BEGIN_IGNORE_DEPRECATIONS typedef GDesktopAppInfoLookupIface GDesktopAppInfoLookupInterface; G_DEFINE_INTERFACE (GDesktopAppInfoLookup, g_desktop_app_info_lookup, G_TYPE_OBJECT) static void g_desktop_app_info_lookup_default_init (GDesktopAppInfoLookupInterface *iface) { } /** * g_desktop_app_info_lookup_get_default_for_uri_scheme: * @lookup: a #GDesktopAppInfoLookup * @uri_scheme: a string containing a URI scheme. * * Gets the default application for launching applications * using this URI scheme for a particular GDesktopAppInfoLookup * implementation. * * The GDesktopAppInfoLookup interface and this function is used * to implement g_app_info_get_default_for_uri_scheme() backends * in a GIO module. There is no reason for applications to use it * directly. Applications should use g_app_info_get_default_for_uri_scheme(). * * Returns: (transfer full): #GAppInfo for given @uri_scheme or %NULL on error. * * Deprecated: The #GDesktopAppInfoLookup interface is deprecated and unused by gio. */ GAppInfo * g_desktop_app_info_lookup_get_default_for_uri_scheme (GDesktopAppInfoLookup *lookup, const char *uri_scheme) { GDesktopAppInfoLookupIface *iface; g_return_val_if_fail (G_IS_DESKTOP_APP_INFO_LOOKUP (lookup), NULL); iface = G_DESKTOP_APP_INFO_LOOKUP_GET_IFACE (lookup); return (* iface->get_default_for_uri_scheme) (lookup, uri_scheme); } G_GNUC_END_IGNORE_DEPRECATIONS /** * g_desktop_app_info_get_startup_wm_class: * @info: a #GDesktopAppInfo that supports startup notify * * Retrieves the StartupWMClass field from @info. This represents the * WM_CLASS property of the main window of the application, if launched * through @info. * * Returns: (transfer none): the startup WM class, or %NULL if none is set * in the desktop file. * * Since: 2.34 */ const char * g_desktop_app_info_get_startup_wm_class (GDesktopAppInfo *info) { g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL); return info->startup_wm_class; } /** * g_desktop_app_info_get_string: * @info: a #GDesktopAppInfo * @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 * * Since: 2.36 */ char * g_desktop_app_info_get_string (GDesktopAppInfo *info, const char *key) { g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), NULL); return g_key_file_get_string (info->keyfile, G_KEY_FILE_DESKTOP_GROUP, key, NULL); } /** * g_desktop_app_info_get_boolean: * @info: a #GDesktopAppInfo * @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 * * Since: 2.36 */ gboolean g_desktop_app_info_get_boolean (GDesktopAppInfo *info, const char *key) { g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE); return g_key_file_get_boolean (info->keyfile, G_KEY_FILE_DESKTOP_GROUP, key, NULL); } /** * g_desktop_app_info_has_key: * @info: a #GDesktopAppInfo * @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 * * Since: 2.26 */ gboolean g_desktop_app_info_has_key (GDesktopAppInfo *info, const char *key) { g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (info), FALSE); return g_key_file_has_key (info->keyfile, G_KEY_FILE_DESKTOP_GROUP, key, NULL); }