/**
* 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 st_texture_cache_bind_pixbuf_property (st_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 = st_texture_cache_load_gicon (st_texture_cache_get_default (), icon, (int)size);
g_object_unref (icon);
}
return ret;
}
/**
* cinnamon_app_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 *
cinnamon_app_create_icon_texture (CinnamonApp *app,
int size)
{
GIcon *icon;
ClutterActor *ret;
ret = NULL;
if (app->entry == NULL)
return window_backed_app_get_icon (app, size);
icon = g_app_info_get_icon (G_APP_INFO (gmenu_tree_entry_get_app_info (app->entry)));
if (icon != NULL)
ret = st_texture_cache_load_gicon (st_texture_cache_get_default (), NULL, icon, size);
if (ret == NULL)
{
icon = g_themed_icon_new ("application-x-executable");
ret = st_texture_cache_load_gicon (st_texture_cache_get_default (), NULL, icon, size);
g_object_unref (icon);
}
return ret;
}
/**
* 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;
ret = NULL;
if (info->type == SHELL_APP_INFO_TYPE_WINDOW)
{
ret = st_texture_cache_bind_pixbuf_property (st_texture_cache_get_default (),
G_OBJECT (info->window),
"icon");
}
else
{
icon = shell_app_info_get_icon (info);
if (icon != NULL)
{
ret = st_texture_cache_load_gicon (st_texture_cache_get_default (), NULL, icon, (int)size);
g_object_unref (icon);
}
}
if (ret == NULL)
{
icon = g_themed_icon_new ("application-x-executable");
ret = st_texture_cache_load_gicon (st_texture_cache_get_default (), NULL, icon, (int)size);
g_object_unref (icon);
}
return ret;
}
static ClutterActor *
window_backed_app_get_icon (CinnamonApp *app,
int size)
{
MetaWindow *window;
ClutterActor *actor;
gint scale;
CinnamonGlobal *global;
StThemeContext *context;
global = cinnamon_global_get ();
context = st_theme_context_get_for_stage (cinnamon_global_get_stage (global));
g_object_get (context, "scale-factor", &scale, NULL);
size *= scale;
/* During a state transition from running to not-running for
* window-backend apps, it's possible we get a request for the icon.
* Avoid asserting here and just return an empty image.
*/
if (app->running_state == NULL)
{
actor = clutter_texture_new ();
g_object_set (actor, "opacity", 0, "width", (float) size, "height", (float) size, NULL);
return actor;
}
window = window_backed_app_get_window (app);
actor = st_texture_cache_bind_pixbuf_property (st_texture_cache_get_default (),
G_OBJECT (window),
"icon");
g_object_set (actor, "width", (float) size, "height", (float) size, NULL);
return actor;
}
static void
_st_entry_set_icon_from_file (StEntry *entry,
ClutterActor **icon,
const gchar *filename)
{
ClutterActor *new_icon = NULL;
if (filename)
{
StTextureCache *cache;
GFile *file;
gchar *uri;
cache = st_texture_cache_get_default ();
file = g_file_new_for_path (filename);
uri = g_file_get_uri (file);
g_object_unref (file);
new_icon = (ClutterActor*) st_texture_cache_load_uri_async (cache, uri, -1, -1);
g_free (uri);
}
_st_entry_set_icon (entry, icon, new_icon);
}
/**
* shell_startup_sequence_create_icon:
* @sequence:
* @size: Size in pixels of icon
*
* Returns: (transfer none): A new #ClutterTexture containing an icon for the sequence
*/
ClutterActor *
shell_startup_sequence_create_icon (ShellStartupSequence *sequence, guint size)
{
GIcon *themed;
const char *icon_name;
ClutterActor *texture;
gint scale;
ShellGlobal *global;
StThemeContext *context;
global = shell_global_get ();
context = st_theme_context_get_for_stage (shell_global_get_stage (global));
g_object_get (context, "scale-factor", &scale, NULL);
icon_name = sn_startup_sequence_get_icon_name ((SnStartupSequence*)sequence);
if (!icon_name)
{
texture = clutter_texture_new ();
clutter_actor_set_size (texture, size * scale, size * scale);
return texture;
}
themed = g_themed_icon_new (icon_name);
texture = st_texture_cache_load_gicon (st_texture_cache_get_default (),
NULL, themed, size, scale);
g_object_unref (G_OBJECT (themed));
return texture;
}
static void
st_icon_update (StIcon *icon)
{
StIconPrivate *priv = icon->priv;
StThemeNode *theme_node;
StTextureCache *cache;
if (priv->pending_texture)
{
clutter_actor_destroy (priv->pending_texture);
g_object_unref (priv->pending_texture);
priv->pending_texture = NULL;
priv->opacity_handler_id = 0;
}
theme_node = st_widget_peek_theme_node (ST_WIDGET (icon));
if (theme_node == NULL)
return;
cache = st_texture_cache_get_default ();
if (priv->gicon)
{
priv->pending_texture = st_texture_cache_load_gicon (cache,
(priv->icon_type != ST_ICON_APPLICATION &&
priv->icon_type != ST_ICON_DOCUMENT) ?
theme_node : NULL,
priv->gicon,
priv->icon_size);
}
else if (priv->icon_name)
{
priv->pending_texture = st_texture_cache_load_icon_name (cache,
theme_node,
priv->icon_name,
priv->icon_type,
priv->icon_size);
}
if (priv->pending_texture)
{
g_object_ref_sink (priv->pending_texture);
if (clutter_actor_get_opacity (priv->pending_texture) != 0 || priv->icon_texture == NULL)
{
/* This icon is ready for showing, or nothing else is already showing */
st_icon_finish_update (icon);
}
else
{
/* Will be shown when fully loaded */
priv->opacity_handler_id = g_signal_connect (priv->pending_texture, "notify::opacity", G_CALLBACK (opacity_changed_cb), icon);
}
}
else if (priv->icon_texture)
{
clutter_actor_destroy (priv->icon_texture);
priv->icon_texture = NULL;
}
}
/**
* cinnamon_app_get_faded_icon:
* @app: A #CinnamonApp
* @size: Size in pixels
*
* Return an actor with a horizontally faded look.
*
* Return value: (transfer none): A floating #ClutterActor, or %NULL if no icon
*/
ClutterActor *
cinnamon_app_get_faded_icon (CinnamonApp *app, int size)
{
CoglHandle texture;
ClutterActor *result;
char *cache_key;
CreateFadedIconData data;
gint scale;
CinnamonGlobal *global;
StThemeContext *context;
/* Don't fade for window backed apps for now...easier to reuse the
* property tracking bits, and this helps us visually distinguish
* app-tracked from not.
*/
if (!app->entry)
return window_backed_app_get_icon (app, size);
global = cinnamon_global_get ();
context = st_theme_context_get_for_stage (cinnamon_global_get_stage (global));
g_object_get (context, "scale-factor", &scale, NULL);
cache_key = g_strdup_printf ("faded-icon:%s,size=%d,scale=%d", cinnamon_app_get_id (app), size, scale);
data.app = app;
data.size = size;
data.scale = scale;
texture = st_texture_cache_load (st_texture_cache_get_default (),
cache_key,
ST_TEXTURE_CACHE_POLICY_FOREVER,
cinnamon_app_create_faded_icon_cpu,
&data,
NULL);
g_free (cache_key);
if (texture != COGL_INVALID_HANDLE)
{
result = clutter_texture_new ();
clutter_texture_set_cogl_texture (CLUTTER_TEXTURE (result), texture);
}
else
{
result = clutter_texture_new ();
g_object_set (result, "opacity", 0, "width", (float) size * scale, "height", (float) size * scale, NULL);
}
return result;
}
/**
* shell_startup_sequence_create_icon:
* @sequence:
* @size: Size in pixels of icon
*
* Returns: (transfer none): A new #ClutterTexture containing an icon for the sequence
*/
ClutterActor *
shell_startup_sequence_create_icon (ShellStartupSequence *sequence, guint size)
{
GIcon *themed;
const char *icon_name;
ClutterActor *texture;
icon_name = sn_startup_sequence_get_icon_name ((SnStartupSequence*)sequence);
if (!icon_name)
{
texture = clutter_texture_new ();
clutter_actor_set_size (texture, size, size);
return texture;
}
themed = g_themed_icon_new (icon_name);
texture = st_texture_cache_load_gicon (st_texture_cache_get_default (),
themed, size);
g_object_unref (G_OBJECT (themed));
return texture;
}
static void
st_theme_context_init (StThemeContext *context)
{
context->font = pango_font_description_from_string (DEFAULT_FONT);
g_signal_connect (st_texture_cache_get_default (),
"icon-theme-changed",
G_CALLBACK (on_icon_theme_changed),
context);
g_signal_connect_swapped (clutter_get_default_backend (),
"resolution-changed",
G_CALLBACK (st_theme_context_changed),
context);
context->nodes = g_hash_table_new_full ((GHashFunc) st_theme_node_hash,
(GEqualFunc) st_theme_node_equal,
g_object_unref, NULL);
context->scale_factor = 1;
}
static void
st_theme_context_finalize (GObject *object)
{
StThemeContext *context = ST_THEME_CONTEXT (object);
g_signal_handlers_disconnect_by_func (st_texture_cache_get_default (),
(gpointer) on_icon_theme_changed,
context);
g_signal_handlers_disconnect_by_func (clutter_get_default_backend (),
(gpointer) st_theme_context_changed,
context);
if (context->nodes)
g_hash_table_unref (context->nodes);
if (context->root_node)
g_object_unref (context->root_node);
if (context->theme)
g_object_unref (context->theme);
pango_font_description_free (context->font);
G_OBJECT_CLASS (st_theme_context_parent_class)->finalize (object);
}
static void
st_icon_update (StIcon *icon)
{
StIconPrivate *priv = icon->priv;
StThemeNode *theme_node;
StTextureCache *cache;
gint scale;
ClutterActor *stage;
StThemeContext *context;
if (priv->pending_texture)
{
clutter_actor_destroy (priv->pending_texture);
g_object_unref (priv->pending_texture);
priv->pending_texture = NULL;
priv->opacity_handler_id = 0;
}
theme_node = st_widget_peek_theme_node (ST_WIDGET (icon));
if (theme_node == NULL)
return;
stage = clutter_actor_get_stage (CLUTTER_ACTOR (icon));
context = st_theme_context_get_for_stage (CLUTTER_STAGE (stage));
g_object_get (context, "scale-factor", &scale, NULL);
cache = st_texture_cache_get_default ();
if (priv->gicon != NULL)
priv->pending_texture = st_texture_cache_load_gicon (cache,
theme_node,
priv->gicon,
priv->icon_size,
scale);
if (priv->pending_texture == NULL && priv->fallback_gicon != NULL)
priv->pending_texture = st_texture_cache_load_gicon (cache,
theme_node,
priv->fallback_gicon,
priv->icon_size,
scale);
if (priv->pending_texture)
{
g_object_ref_sink (priv->pending_texture);
if (clutter_actor_get_opacity (priv->pending_texture) != 0 || priv->icon_texture == NULL)
{
/* This icon is ready for showing, or nothing else is already showing */
st_icon_finish_update (icon);
}
else
{
/* Will be shown when fully loaded */
priv->opacity_handler_id = g_signal_connect_object (priv->pending_texture, "notify::opacity", G_CALLBACK (opacity_changed_cb), icon, 0);
}
}
else if (priv->icon_texture)
{
clutter_actor_destroy (priv->icon_texture);
priv->icon_texture = NULL;
}
}