Get categories from the desktop files for all applications

and use them when finding matching applications for the search in the overlay mode.

svn path=/trunk/; revision=159
This commit is contained in:
Marina Zhurakhinskaya 2009-01-21 21:50:57 +00:00
parent 0d612b7954
commit 9949d75fcc
3 changed files with 132 additions and 7 deletions

View File

@ -109,7 +109,11 @@ AppDisplay.prototype = {
__proto__: GenericDisplay.GenericDisplay.prototype,
_init : function(width, height) {
GenericDisplay.GenericDisplay.prototype._init.call(this, width, height);
GenericDisplay.GenericDisplay.prototype._init.call(this, width, height);
// map<itemId, array of category names>
this._categories = {};
let me = this;
this._appMonitor = new Shell.AppMonitor();
this._appsStale = true;
@ -134,11 +138,15 @@ AppDisplay.prototype = {
if (!this._appsStale)
return;
this._allItems = {};
this._categories = {};
let apps = Gio.app_info_get_all();
for (let i = 0; i < apps.length; i++) {
let appInfo = apps[i];
let appId = appInfo.get_id();
this._allItems[appId] = appInfo;
// [] is returned if we could not get the categories or the list of categories was empty
let categories = Shell.get_categories_for_desktop_file(appId);
this._categories[appId] = categories;
}
this._appsStale = false;
},
@ -169,24 +177,36 @@ AppDisplay.prototype = {
},
// Checks if the item info can be a match for the search string by checking
// the name, description, and execution command for the application.
// the name, description, execution command, and categories for the application.
// Item info is expected to be GAppInfo.
// Returns a boolean flag indicating if itemInfo is a match.
_isInfoMatching : function(itemInfo, search) {
if (search == null || search == '')
return true;
let name = itemInfo.get_name().toLowerCase();
if (name.indexOf(search) >= 0)
return true;
let description = itemInfo.get_description();
if (description) {
description = description.toLowerCase();
if (description.indexOf(search) >= 0)
return true;
}
let exec = itemInfo.get_executable().toLowerCase();
if (exec.indexOf(search) >= 0)
return true;
// we expect this._categories.hasOwnProperty(itemInfo.get_id()) to always be true here
let categories = this._categories[itemInfo.get_id()];
for (let i = 0; i < categories.length; i++) {
let category = categories[i].toLowerCase();
if (category.indexOf(search) >= 0)
return true;
}
return false;
},

View File

@ -9,8 +9,6 @@
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <libgnomeui-2.0/libgnomeui/gnome-thumbnail.h>
#include <dbus/dbus-glib.h>
#include <libgnomeui/gnome-thumbnail.h>
@ -222,6 +220,49 @@ shell_global_class_init (ShellGlobalClass *klass)
G_PARAM_READABLE));
}
/**
* search_path_init:
*
* search_path_init and get_applications_search_path below were copied from glib/gio/gdesktopappinfo.c
* copyright Red Hat, Inc., written by Alex Larsson, licensed under the LGPL
*
* Return value: location of an array with user and system application directories.
*/
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;
}
/**
* get_applications_search_path:
*
* Return value: location of an array with user and system application directories.
*/
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);
}
/**
* shell_clutter_texture_set_from_pixbuf:
* texture: #ClutterTexture to be modified
@ -268,7 +309,7 @@ shell_get_thumbnail_for_recent_info(GtkRecentInfo *recent_info)
GError *error = NULL;
if (thumbnail_factory == NULL)
thumbnail_factory = gnome_thumbnail_factory_new (GNOME_THUMBNAIL_SIZE_NORMAL);
thumbnail_factory = gnome_thumbnail_factory_new (GNOME_THUMBNAIL_SIZE_NORMAL);
existing_thumbnail = gnome_thumbnail_factory_lookup (thumbnail_factory, uri, mtime);
@ -298,6 +339,68 @@ shell_get_thumbnail_for_recent_info(GtkRecentInfo *recent_info)
return pixbuf;
}
/**
* shell_get_categories_for_desktop_file:
*
* @desktop_file_name: name of the desktop file for which to retrieve categories
*
* Return value: (element-type char*) (transfer full): List of categories
*
*/
GSList *
shell_get_categories_for_desktop_file(const char *desktop_file_name)
{
GKeyFile *key_file;
const char * const *search_dirs;
char **categories = NULL;
GSList *categories_list = NULL;
char *full_path = NULL;
GError *error = NULL;
gsize len;
int i;
key_file = g_key_file_new ();
search_dirs = get_applications_search_path();
g_key_file_load_from_dirs (key_file, desktop_file_name, (const char **)search_dirs, &full_path, 0, &error);
if (error != NULL)
{
g_warning ("Error when loading a key file for %s: %s", desktop_file_name, error->message);
g_clear_error (&error);
}
else
{
categories = g_key_file_get_string_list (key_file,
"Desktop Entry",
"Categories",
&len,
&error);
if (error != NULL)
{
g_warning ("Error when getting 'Categories' from a key file %s: %s", desktop_file_name, error->message);
g_clear_error (&error);
}
}
g_key_file_free (key_file);
if (categories == NULL)
return NULL;
// gjs currently does not support returning arrays (other than a NULL value for an array), so we need
// to convert the array we are returning to GSList, returning which gjs supports.
// See http://bugzilla.gnome.org/show_bug.cgi?id=560567 for more info on gjs array support.
for (i = 0; categories[i]; i++)
{
categories_list = g_slist_prepend (categories_list, g_strdup (categories[i]));
}
g_strfreev (categories);
return categories_list;
}
/**
* shell_global_get:
*
@ -500,10 +603,10 @@ shell_global_start_task_panel (ShellGlobal *global)
const char* panel_args[] = {"gnomeshell-taskpanel", SHELL_DBUS_SERVICE, NULL};
GError *error = NULL;
if (!g_spawn_async (NULL, (char**) panel_args, NULL, G_SPAWN_SEARCH_PATH, NULL,
if (!g_spawn_async (NULL, (char**)panel_args, NULL, G_SPAWN_SEARCH_PATH, NULL,
NULL, NULL, &error))
{
g_critical ("failed to execute %s: %s", panel_args[0], error->message);
g_clear_error (&error);
}
}
}

View File

@ -36,6 +36,8 @@ gboolean shell_clutter_texture_set_from_pixbuf (ClutterTexture *texture,
GdkPixbuf *shell_get_thumbnail_for_recent_info(GtkRecentInfo *recent_info);
GSList *shell_get_categories_for_desktop_file(const char *desktop_file_name);
ShellGlobal *shell_global_get (void);
void shell_global_grab_dbus_service (ShellGlobal *global);