gnome-shell/src/shell-app-system.c

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
#include "config.h"
#include "shell-app-system.h"
#include <string.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <gtk/gtk.h>
#include <gconf/gconf.h>
#include <gconf/gconf-client.h>
#include <clutter/clutter.h>
#include "shell-app-private.h"
#include "shell-global.h"
#include "shell-texture-cache.h"
#include "display.h"
#define GMENU_I_KNOW_THIS_IS_UNSTABLE
#include <gmenu-tree.h>
#define SHELL_APP_FAVORITES_KEY "/desktop/gnome/shell/favorite_apps"
/* Vendor prefixes are something that can be preprended to a .desktop
* file name. Undo this.
*/
static const char*const known_vendor_prefixes[] = { "gnome",
"fedora",
"mozilla" };
enum {
PROP_0,
};
enum {
INSTALLED_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
struct _ShellAppSystemPrivate {
GMenuTree *apps_tree;
GMenuTree *settings_tree;
GHashTable *app_id_to_info;
GHashTable *app_id_to_app;
GHashTable *cached_menu_contents; /* <char *id, GSList<ShellAppInfo*>> */
GSList *cached_app_menus; /* ShellAppMenuEntry */
GSList *cached_settings; /* ShellAppInfo */
gint app_monitor_id;
guint app_change_timeout_id;
};
static void free_appinfo_gslist (gpointer list);
static void shell_app_system_finalize (GObject *object);
static gboolean on_tree_changed (gpointer user_data);
static void on_tree_changed_cb (GMenuTree *tree, gpointer user_data);
static void reread_menus (ShellAppSystem *self);
G_DEFINE_TYPE(ShellAppSystem, shell_app_system, G_TYPE_OBJECT);
typedef enum {
SHELL_APP_INFO_TYPE_ENTRY,
SHELL_APP_INFO_TYPE_DESKTOP_FILE,
SHELL_APP_INFO_TYPE_WINDOW
} ShellAppInfoType;
struct _ShellAppInfo {
ShellAppInfoType type;
/* We need this for two reasons. First, GKeyFile doesn't have a refcount.
* http://bugzilla.gnome.org/show_bug.cgi?id=590808
*
* But more generally we'll always need it so we know when to free this
* structure (short of weak references on each item).
*/
guint refcount;
GMenuTreeItem *entry;
GKeyFile *keyfile;
char *keyfile_path;
MetaWindow *window;
char *window_id;
};
ShellAppInfo*
shell_app_info_ref (ShellAppInfo *info)
{
info->refcount++;
return info;
}
void
shell_app_info_unref (ShellAppInfo *info)
{
if (--info->refcount > 0)
return;
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
gmenu_tree_item_unref (info->entry);
break;
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
g_key_file_free (info->keyfile);
g_free (info->keyfile_path);
break;
case SHELL_APP_INFO_TYPE_WINDOW:
g_object_unref (info->window);
g_free (info->window_id);
break;
}
g_slice_free (ShellAppInfo, info);
}
static ShellAppInfo *
shell_app_info_new_from_tree_item (GMenuTreeItem *item)
{
ShellAppInfo *info;
if (!item)
return NULL;
info = g_slice_alloc (sizeof (ShellAppInfo));
info->type = SHELL_APP_INFO_TYPE_ENTRY;
info->refcount = 1;
info->entry = gmenu_tree_item_ref (item);
return info;
}
static ShellAppInfo *
shell_app_info_new_from_window (MetaWindow *window)
{
ShellAppInfo *info;
info = g_slice_alloc (sizeof (ShellAppInfo));
info->type = SHELL_APP_INFO_TYPE_WINDOW;
info->refcount = 1;
info->window = g_object_ref (window);
/* For windows, its id is simply its pointer address as a string.
* There are various other alternatives, but the address is unique
* and unchanging, which is pretty much the best we can do.
*/
info->window_id = g_strdup_printf ("window:%p", window);
return info;
}
static ShellAppInfo *
shell_app_info_new_from_keyfile_take_ownership (GKeyFile *keyfile,
const char *path)
{
ShellAppInfo *info;
info = g_slice_alloc (sizeof (ShellAppInfo));
info->type = SHELL_APP_INFO_TYPE_DESKTOP_FILE;
info->refcount = 1;
info->keyfile = keyfile;
info->keyfile_path = g_strdup (path);
return info;
}
static gpointer
shell_app_menu_entry_copy (gpointer entryp)
{
ShellAppMenuEntry *entry;
ShellAppMenuEntry *copy;
entry = entryp;
copy = g_new0 (ShellAppMenuEntry, 1);
copy->name = g_strdup (entry->name);
copy->id = g_strdup (entry->id);
copy->icon = g_strdup (entry->icon);
return copy;
}
static void
shell_app_menu_entry_free (gpointer entryp)
{
ShellAppMenuEntry *entry = entryp;
g_free (entry->name);
g_free (entry->id);
g_free (entry->icon);
g_free (entry);
}
static void shell_app_system_class_init(ShellAppSystemClass *klass)
{
GObjectClass *gobject_class = (GObjectClass *)klass;
gobject_class->finalize = shell_app_system_finalize;
signals[INSTALLED_CHANGED] =
g_signal_new ("installed-changed",
SHELL_TYPE_APP_SYSTEM,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (ShellAppSystemClass, installed_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
g_type_class_add_private (gobject_class, sizeof (ShellAppSystemPrivate));
}
static void
shell_app_system_init (ShellAppSystem *self)
{
ShellAppSystemPrivate *priv;
GConfClient *client;
self->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
SHELL_TYPE_APP_SYSTEM,
ShellAppSystemPrivate);
/* The key is owned by the value */
priv->app_id_to_info = g_hash_table_new_full (g_str_hash, g_str_equal,
NULL, (GDestroyNotify) shell_app_info_unref);
/* Key is owned by info */
priv->app_id_to_app = g_hash_table_new (g_str_hash, g_str_equal);
priv->cached_menu_contents = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, free_appinfo_gslist);
/* For now, we want to pick up Evince, Nautilus, etc. We'll
* handle NODISPLAY semantics at a higher level or investigate them
* case by case.
*/
priv->apps_tree = gmenu_tree_lookup ("applications.menu", GMENU_TREE_FLAGS_INCLUDE_NODISPLAY);
priv->settings_tree = gmenu_tree_lookup ("settings.menu", GMENU_TREE_FLAGS_NONE);
priv->app_change_timeout_id = 0;
gmenu_tree_add_monitor (priv->apps_tree, on_tree_changed_cb, self);
gmenu_tree_add_monitor (priv->settings_tree, on_tree_changed_cb, self);
reread_menus (self);
client = gconf_client_get_default ();
}
static void
shell_app_system_finalize (GObject *object)
{
ShellAppSystem *self = SHELL_APP_SYSTEM (object);
ShellAppSystemPrivate *priv = self->priv;
gmenu_tree_remove_monitor (priv->apps_tree, on_tree_changed_cb, self);
gmenu_tree_remove_monitor (priv->settings_tree, on_tree_changed_cb, self);
gmenu_tree_unref (priv->apps_tree);
gmenu_tree_unref (priv->settings_tree);
g_hash_table_destroy (priv->cached_menu_contents);
g_hash_table_destroy (priv->app_id_to_info);
g_hash_table_destroy (priv->app_id_to_app);
g_slist_foreach (priv->cached_app_menus, (GFunc)shell_app_menu_entry_free, NULL);
g_slist_free (priv->cached_app_menus);
priv->cached_app_menus = NULL;
g_slist_foreach (priv->cached_settings, (GFunc)shell_app_info_unref, NULL);
g_slist_free (priv->cached_settings);
priv->cached_settings = NULL;
G_OBJECT_CLASS (shell_app_system_parent_class)->finalize(object);
}
static void
free_appinfo_gslist (gpointer listp)
{
GSList *list = listp;
g_slist_foreach (list, (GFunc) shell_app_info_unref, NULL);
g_slist_free (list);
}
static void
reread_directories (ShellAppSystem *self, GSList **cache, GMenuTree *tree)
{
GMenuTreeDirectory *trunk;
GSList *entries;
GSList *iter;
trunk = gmenu_tree_get_root_directory (tree);
entries = gmenu_tree_directory_get_contents (trunk);
g_slist_foreach (*cache, (GFunc)shell_app_menu_entry_free, NULL);
g_slist_free (*cache);
*cache = NULL;
for (iter = entries; iter; iter = iter->next)
{
GMenuTreeItem *item = iter->data;
switch (gmenu_tree_item_get_type (item))
{
case GMENU_TREE_ITEM_DIRECTORY:
{
GMenuTreeDirectory *dir = iter->data;
ShellAppMenuEntry *shell_entry = g_new0 (ShellAppMenuEntry, 1);
shell_entry->name = g_strdup (gmenu_tree_directory_get_name (dir));
shell_entry->id = g_strdup (gmenu_tree_directory_get_menu_id (dir));
shell_entry->icon = g_strdup (gmenu_tree_directory_get_icon (dir));
*cache = g_slist_prepend (*cache, shell_entry);
}
break;
default:
break;
}
gmenu_tree_item_unref (item);
}
*cache = g_slist_reverse (*cache);
g_slist_free (entries);
gmenu_tree_item_unref (trunk);
}
static GSList *
gather_entries_recurse (ShellAppSystem *monitor,
GSList *apps,
GMenuTreeDirectory *root)
{
GSList *contents;
GSList *iter;
contents = gmenu_tree_directory_get_contents (root);
for (iter = contents; iter; iter = iter->next)
{
GMenuTreeItem *item = iter->data;
switch (gmenu_tree_item_get_type (item))
{
case GMENU_TREE_ITEM_ENTRY:
{
ShellAppInfo *app = shell_app_info_new_from_tree_item (item);
apps = g_slist_prepend (apps, app);
}
break;
case GMENU_TREE_ITEM_DIRECTORY:
{
GMenuTreeDirectory *dir = (GMenuTreeDirectory*)item;
apps = gather_entries_recurse (monitor, apps, dir);
}
break;
default:
break;
}
gmenu_tree_item_unref (item);
}
g_slist_free (contents);
return apps;
}
static void
reread_entries (ShellAppSystem *self,
GSList **cache,
GMenuTree *tree)
{
GMenuTreeDirectory *trunk;
trunk = gmenu_tree_get_root_directory (tree);
g_slist_foreach (*cache, (GFunc)shell_app_info_unref, NULL);
g_slist_free (*cache);
*cache = NULL;
*cache = gather_entries_recurse (self, *cache, trunk);
gmenu_tree_item_unref (trunk);
}
static void
cache_by_id (ShellAppSystem *self, GSList *apps, gboolean ref)
{
GSList *iter;
for (iter = apps; iter; iter = iter->next)
{
ShellAppInfo *info = iter->data;
if (ref)
shell_app_info_ref (info);
/* the name is owned by the info itself */
g_hash_table_insert (self->priv->app_id_to_info, (char*)shell_app_info_get_id (info),
info);
}
}
static void
reread_menus (ShellAppSystem *self)
{
GSList *apps;
GMenuTreeDirectory *trunk;
reread_directories (self, &(self->priv->cached_app_menus), self->priv->apps_tree);
reread_entries (self, &(self->priv->cached_settings), self->priv->settings_tree);
/* Now loop over applications.menu and settings.menu, inserting each by desktop file
* ID into a hash */
g_hash_table_remove_all (self->priv->app_id_to_info);
trunk = gmenu_tree_get_root_directory (self->priv->apps_tree);
apps = gather_entries_recurse (self, NULL, trunk);
gmenu_tree_item_unref (trunk);
cache_by_id (self, apps, FALSE);
g_slist_free (apps);
cache_by_id (self, self->priv->cached_settings, TRUE);
}
static gboolean
on_tree_changed (gpointer user_data)
{
ShellAppSystem *self = SHELL_APP_SYSTEM (user_data);
reread_menus (self);
g_hash_table_remove_all (self->priv->cached_menu_contents);
g_signal_emit (self, signals[INSTALLED_CHANGED], 0);
self->priv->app_change_timeout_id = 0;
return FALSE;
}
static void
on_tree_changed_cb (GMenuTree *monitor, gpointer user_data)
{
ShellAppSystem *self = SHELL_APP_SYSTEM (user_data);
/* GMenu currently gives us a separate notification on the entire
* menu tree for each node in the tree that might potentially have
* changed. (See http://bugzilla.gnome.org/show_bug.cgi?id=172046.)
* We need to compress these to avoid doing large extra amounts of
* work.
*
* Even when that bug is fixed, compression is still useful; for one
* thing we want to need to compress across notifications of changes
* to the settings tree. Second we want to compress if multiple
* changes are made to the desktop files at different times but in
* short succession.
*/
if (self->priv->app_change_timeout_id != 0)
return;
self->priv->app_change_timeout_id = g_timeout_add_full (G_PRIORITY_DEFAULT_IDLE, 3000,
(GSourceFunc) on_tree_changed,
self, NULL);
}
GType
shell_app_info_get_type (void)
{
static GType gtype = G_TYPE_INVALID;
if (gtype == G_TYPE_INVALID)
{
gtype = g_boxed_type_register_static ("ShellAppInfo",
(GBoxedCopyFunc)shell_app_info_ref,
(GBoxedFreeFunc)shell_app_info_unref);
}
return gtype;
}
GType
shell_app_menu_entry_get_type (void)
{
static GType gtype = G_TYPE_INVALID;
if (gtype == G_TYPE_INVALID)
{
gtype = g_boxed_type_register_static ("ShellAppMenuEntry",
shell_app_menu_entry_copy,
shell_app_menu_entry_free);
}
return gtype;
}
/**
* shell_app_system_get_applications_for_menu:
*
* Traverses a toplevel menu, and returns all items under it. Nested items
* are flattened. This value is computed on initial call and cached thereafter
* until the set of installed applications changes.
*
* Return value: (transfer none) (element-type ShellAppInfo): List of applications
*/
GSList *
shell_app_system_get_applications_for_menu (ShellAppSystem *self,
const char *menu)
{
GSList *apps;
apps = g_hash_table_lookup (self->priv->cached_menu_contents, menu);
if (!apps)
{
char *path;
GMenuTreeDirectory *menu_entry;
path = g_strdup_printf ("/%s", menu);
menu_entry = gmenu_tree_get_directory_from_path (self->priv->apps_tree, path);
g_free (path);
g_assert (menu_entry != NULL);
apps = gather_entries_recurse (self, NULL, menu_entry);
g_hash_table_insert (self->priv->cached_menu_contents, g_strdup (menu), apps);
gmenu_tree_item_unref (menu_entry);
}
return apps;
}
/**
* shell_app_system_get_menus:
*
* Returns a list of toplevel #ShellAppMenuEntry items
*
* Return value: (transfer none) (element-type AppMenuEntry): List of toplevel menus
*/
GSList *
shell_app_system_get_menus (ShellAppSystem *monitor)
{
return monitor->priv->cached_app_menus;
}
/**
* shell_app_system_get_all_settings:
*
* Returns a list of application items under "settings.menu".
*
* Return value: (transfer none) (element-type ShellAppInfo): List of applications
*/
GSList *
shell_app_system_get_all_settings (ShellAppSystem *monitor)
{
return monitor->priv->cached_settings;
}
/**
* shell_app_system_get_default:
*
* Return Value: (transfer none): The global #ShellAppSystem singleton
*/
ShellAppSystem *
shell_app_system_get_default ()
{
static ShellAppSystem *instance = NULL;
if (instance == NULL)
instance = g_object_new (SHELL_TYPE_APP_SYSTEM, NULL);
return instance;
}
typedef struct {
ShellAppSystem *appsys;
ShellAppInfo *info;
} ShellAppRef;
static void
shell_app_system_on_app_weakref (gpointer data,
GObject *location)
{
ShellAppRef *ref = data;
g_hash_table_remove (ref->appsys->priv->app_id_to_app, shell_app_info_get_id (ref->info));
shell_app_info_unref (ref->info);
g_free (ref);
}
/**
* shell_app_system_get_app:
*
* Find or create a #ShellApp corresponding to an id; if already cached
* elsewhere in memory, return that instance. Otherwise, create a new
* one.
*
* Return value: (transfer full): The #ShellApp for id, or %NULL if none
*/
ShellApp *
shell_app_system_get_app (ShellAppSystem *self,
const char *id)
{
ShellAppInfo *info;
ShellApp *app;
app = g_hash_table_lookup (self->priv->app_id_to_app, id);
if (app)
return g_object_ref (app);
info = g_hash_table_lookup (self->priv->app_id_to_info, id);
if (!info)
return NULL;
app = _shell_app_new (info);
return app;
}
/* ShellAppSystem ensures we have a unique instance of
* apps per id.
*/
void
_shell_app_system_register_app (ShellAppSystem *self,
ShellApp *app)
{
const char *id;
ShellAppRef *ref;
id = shell_app_get_id (app);
g_return_if_fail (g_hash_table_lookup (self->priv->app_id_to_app, id) == NULL);
ref = g_new0 (ShellAppRef, 1);
ref->appsys = self;
ref->info = shell_app_info_ref (_shell_app_get_info (app));
g_hash_table_insert (self->priv->app_id_to_app, (char*)shell_app_info_get_id (ref->info), app);
g_object_weak_ref (G_OBJECT (app), shell_app_system_on_app_weakref, ref);
}
ShellAppInfo *
shell_app_system_load_from_desktop_file (ShellAppSystem *system,
const char *filename,
GError **error)
{
ShellAppInfo *appinfo;
GKeyFile *keyfile;
char *full_path = NULL;
gboolean success;
keyfile = g_key_file_new ();
if (strchr (filename, '/') != NULL)
{
success = g_key_file_load_from_file (keyfile, filename, G_KEY_FILE_NONE, error);
full_path = g_strdup (filename);
}
else
{
char *app_path = g_build_filename ("applications", filename, NULL);
success = g_key_file_load_from_data_dirs (keyfile, app_path, &full_path,
G_KEY_FILE_NONE, error);
g_free (app_path);
}
if (!success)
{
g_key_file_free (keyfile);
g_free (full_path);
return NULL;
}
appinfo = shell_app_info_new_from_keyfile_take_ownership (keyfile, full_path);
g_free (full_path);
return appinfo;
}
/**
* shell_app_system_create_from_window:
*
* In the case where we can't otherwise determine an application
* associated with a window, this function can create a "fake"
* application just backed by information from the window itself.
*
* Return value: (transfer full): A new #ShellAppInfo
*/
ShellAppInfo *
shell_app_system_create_from_window (ShellAppSystem *system, MetaWindow *window)
{
return shell_app_info_new_from_window (window);
}
/**
* shell_app_system_lookup_heuristic_basename:
* @name: Probable application identifier
*
* Find a valid application corresponding to a given
* heuristically determined application identifier
* string, or %NULL if none.
*
* Returns: (transfer full): A #ShellApp for name
*/
ShellApp *
shell_app_system_lookup_heuristic_basename (ShellAppSystem *system,
const char *name)
{
ShellApp *result;
char **vendor_prefixes;
result = shell_app_system_get_app (system, name);
if (result != NULL)
return result;
for (vendor_prefixes = (char**)known_vendor_prefixes;
*vendor_prefixes; vendor_prefixes++)
{
char *tmpid = g_strjoin (NULL, *vendor_prefixes, "-", name, NULL);
result = shell_app_system_get_app (system, tmpid);
g_free (tmpid);
if (result != NULL)
return result;
}
return NULL;
}
const char *
shell_app_info_get_id (ShellAppInfo *info)
{
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return gmenu_tree_entry_get_desktop_file_id ((GMenuTreeEntry*)info->entry);
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
return info->keyfile_path;
case SHELL_APP_INFO_TYPE_WINDOW:
return info->window_id;
}
g_assert_not_reached ();
return NULL;
}
#define DESKTOP_ENTRY_GROUP "Desktop Entry"
char *
shell_app_info_get_name (ShellAppInfo *info)
{
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return g_strdup (gmenu_tree_entry_get_name ((GMenuTreeEntry*)info->entry));
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
return g_key_file_get_locale_string (info->keyfile, DESKTOP_ENTRY_GROUP, "Name", NULL, NULL);
case SHELL_APP_INFO_TYPE_WINDOW:
{
char *title;
g_object_get (info->window, "title", &title, NULL);
if (!title)
title = g_strdup ("");
return title;
}
}
g_assert_not_reached ();
return NULL;
}
char *
shell_app_info_get_description (ShellAppInfo *info)
{
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return g_strdup (gmenu_tree_entry_get_comment ((GMenuTreeEntry*)info->entry));
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
return g_key_file_get_locale_string (info->keyfile, DESKTOP_ENTRY_GROUP, "Comment", NULL, NULL);
case SHELL_APP_INFO_TYPE_WINDOW:
return NULL;
}
g_assert_not_reached ();
return NULL;
}
char *
shell_app_info_get_executable (ShellAppInfo *info)
{
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return g_strdup (gmenu_tree_entry_get_exec ((GMenuTreeEntry*)info->entry));
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
return g_key_file_get_string (info->keyfile, DESKTOP_ENTRY_GROUP, "Exec", NULL);
case SHELL_APP_INFO_TYPE_WINDOW:
return NULL;
}
g_assert_not_reached ();
return NULL;
}
char *
shell_app_info_get_desktop_file_path (ShellAppInfo *info)
{
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return g_strdup (gmenu_tree_entry_get_desktop_file_path ((GMenuTreeEntry*)info->entry));
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
return g_strdup (info->keyfile_path);
case SHELL_APP_INFO_TYPE_WINDOW:
return NULL;
}
g_assert_not_reached ();
return NULL;
}
static GIcon *
themed_icon_from_name (const char *iconname)
{
GIcon *icon;
if (!iconname)
return NULL;
if (g_path_is_absolute (iconname))
{
GFile *file;
file = g_file_new_for_path (iconname);
icon = G_ICON (g_file_icon_new (file));
g_object_unref (file);
}
else
{
char *tmp_name, *p;
tmp_name = strdup (iconname);
/* Work around a common mistake in desktop files */
if ((p = strrchr (tmp_name, '.')) != NULL &&
(strcmp (p, ".png") == 0 ||
strcmp (p, ".xpm") == 0 ||
strcmp (p, ".svg") == 0))
{
*p = 0;
}
icon = g_themed_icon_new (tmp_name);
g_free (tmp_name);
}
return icon;
}
static GIcon *
shell_app_info_get_icon (ShellAppInfo *info)
{
char *iconname = NULL;
GIcon *icon;
/* This code adapted from gdesktopappinfo.c
* Copyright (C) 2006-2007 Red Hat, Inc.
* Copyright © 2007 Ryan Lortie
* LGPL
*/
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return themed_icon_from_name (gmenu_tree_entry_get_icon ((GMenuTreeEntry*)info->entry));
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
iconname = g_key_file_get_locale_string (info->keyfile, DESKTOP_ENTRY_GROUP, "Icon", NULL, NULL);
icon = themed_icon_from_name (iconname);
g_free (iconname);
return icon;
break;
case SHELL_APP_INFO_TYPE_WINDOW:
return NULL;
}
g_assert_not_reached ();
return NULL;
}
GSList *
shell_app_info_get_categories (ShellAppInfo *info)
{
return NULL; /* TODO */
}
gboolean
shell_app_info_get_is_nodisplay (ShellAppInfo *info)
{
switch (info->type)
{
case SHELL_APP_INFO_TYPE_ENTRY:
return gmenu_tree_entry_get_is_nodisplay ((GMenuTreeEntry*)info->entry);
case SHELL_APP_INFO_TYPE_DESKTOP_FILE:
case SHELL_APP_INFO_TYPE_WINDOW:
return FALSE;
}
g_assert_not_reached ();
return TRUE;
}
/**
* shell_app_info_is_transient:
*
* A "transient" application is one which represents
* just an open window, i.e. we don't know how to launch it
* again.
*/
gboolean
shell_app_info_is_transient (ShellAppInfo *info)
{
return info->type == SHELL_APP_INFO_TYPE_WINDOW;
}
/**
* shell_app_info_create_icon_texture:
*
* Look up the icon for this application, and create a #ClutterTexture
* for it at the given size.
*
* Return value: (transfer none): A floating #ClutterActor
*/
ClutterActor *
shell_app_info_create_icon_texture (ShellAppInfo *info, float size)
{
GIcon *icon;
ClutterActor *ret;
if (info->type == SHELL_APP_INFO_TYPE_WINDOW)
{
return shell_texture_cache_bind_pixbuf_property (shell_texture_cache_get_default (),
G_OBJECT (info->window),
"icon");
}
icon = shell_app_info_get_icon (info);
if (icon == NULL)
{
ret = clutter_texture_new ();
g_object_set (ret, "opacity", 0, "width", size, "height", size, NULL);
}
else
{
ret = shell_texture_cache_load_gicon (shell_texture_cache_get_default (), icon, (int)size);
g_object_unref (icon);
}
return ret;
}
/**
* shell_app_info_launch_full:
* @timestamp: Event timestamp, or 0 for current event timestamp
* @uris: List of uris to pass to application
* @workspace: Start on this workspace, or -1 for default
* @startup_id: (out): Returned startup notification ID, or %NULL if none
* @error: A #GError
*/
gboolean
shell_app_info_launch_full (ShellAppInfo *info,
guint timestamp,
GList *uris,
int workspace,
char **startup_id,
GError **error)
{
GDesktopAppInfo *gapp;
char *filename;
GdkAppLaunchContext *context;
gboolean ret;
ShellGlobal *global;
MetaScreen *screen;
MetaDisplay *display;
if (startup_id)
*startup_id = NULL;
if (info->type == SHELL_APP_INFO_TYPE_WINDOW)
{
/* We can't pass URIs into a window; shouldn't hit this
* code path. If we do, fix the caller to disallow it.
*/
g_return_val_if_fail (uris == NULL, TRUE);
meta_window_activate (info->window, timestamp);
return TRUE;
}
filename = shell_app_info_get_desktop_file_path (info);
gapp = g_desktop_app_info_new_from_filename (filename);
g_free (filename);
if (!gapp)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND, "Not found");
return FALSE;
}
global = shell_global_get ();
screen = shell_global_get_screen (global);
display = meta_screen_get_display (screen);
if (timestamp == 0)
timestamp = clutter_get_current_event_time ();
/* Shell design calls for on application launch, no window is focused,
* and we have startup notification displayed.
*/
meta_display_focus_the_no_focus_window (display, screen, timestamp);
if (workspace < 0)
workspace = meta_screen_get_active_workspace_index (screen);
context = gdk_app_launch_context_new ();
gdk_app_launch_context_set_timestamp (context, timestamp);
gdk_app_launch_context_set_desktop (context, workspace);
ret = g_app_info_launch (G_APP_INFO (gapp), uris, (GAppLaunchContext*) context, error);
g_object_unref (G_OBJECT (gapp));
return ret;
}
gboolean
shell_app_info_launch (ShellAppInfo *info,
GError **error)
{
return shell_app_info_launch_full (info, 0, NULL, -1, NULL, error);
}