/**
* g_loadable_icon_load:
* @icon: a #GLoadableIcon.
* @size: an integer.
* @type: (out) (allow-none): a location to store the type of the
* loaded icon, %NULL to ignore.
* @cancellable: (allow-none): optional #GCancellable object, %NULL to ignore.
* @error: a #GError location to store the error occurring, or %NULL to
* ignore.
*
* Loads a loadable icon. For the asynchronous version of this function,
* see g_loadable_icon_load_async().
*
* Returns: (transfer full): a #GInputStream to read the icon from.
**/
GInputStream *
g_loadable_icon_load (GLoadableIcon *icon,
int size,
char **type,
GCancellable *cancellable,
GError **error)
{
GLoadableIconIface *iface;
g_return_val_if_fail (G_IS_LOADABLE_ICON (icon), NULL);
iface = G_LOADABLE_ICON_GET_IFACE (icon);
return (* iface->load) (icon, size, type, cancellable, error);
}
/**
* g_loadable_icon_load_async:
* @icon: a #GLoadableIcon.
* @size: an integer.
* @cancellable: (allow-none): optional #GCancellable object, %NULL to ignore.
* @callback: (scope async): a #GAsyncReadyCallback to call when the
* request is satisfied
* @user_data: (closure): the data to pass to callback function
*
* Loads an icon asynchronously. To finish this function, see
* g_loadable_icon_load_finish(). For the synchronous, blocking
* version of this function, see g_loadable_icon_load().
**/
void
g_loadable_icon_load_async (GLoadableIcon *icon,
int size,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GLoadableIconIface *iface;
g_return_if_fail (G_IS_LOADABLE_ICON (icon));
iface = G_LOADABLE_ICON_GET_IFACE (icon);
(* iface->load_async) (icon, size, cancellable, callback, user_data);
}
/**
* g_loadable_icon_load_finish:
* @icon: a #GLoadableIcon.
* @res: a #GAsyncResult.
* @type: a location to store the type of the loaded icon, %NULL to ignore.
* @error: a #GError location to store the error occurring, or %NULL to
* ignore.
*
* Finishes an asynchronous icon load started in g_loadable_icon_load_async().
*
* Returns: (transfer full): a #GInputStream to read the icon from.
**/
GInputStream *
g_loadable_icon_load_finish (GLoadableIcon *icon,
GAsyncResult *res,
char **type,
GError **error)
{
GLoadableIconIface *iface;
g_return_val_if_fail (G_IS_LOADABLE_ICON (icon), NULL);
g_return_val_if_fail (G_IS_ASYNC_RESULT (res), NULL);
if (g_async_result_legacy_propagate_error (res, error))
return NULL;
iface = G_LOADABLE_ICON_GET_IFACE (icon);
return (* iface->load_finish) (icon, res, type, error);
}
NautilusIconInfo *
nautilus_icon_info_lookup (GIcon *icon,
int size)
{
NautilusIconInfo *icon_info;
GdkPixbuf *pixbuf;
if (G_IS_LOADABLE_ICON (icon)) {
LoadableIconKey lookup_key;
LoadableIconKey *key;
GInputStream *stream;
if (loadable_icon_cache == NULL) {
loadable_icon_cache =
g_hash_table_new_full ((GHashFunc)loadable_icon_key_hash,
(GEqualFunc)loadable_icon_key_equal,
(GDestroyNotify) loadable_icon_key_free,
(GDestroyNotify) g_object_unref);
}
lookup_key.icon = icon;
lookup_key.size = size;
icon_info = g_hash_table_lookup (loadable_icon_cache, &lookup_key);
if (icon_info) {
return g_object_ref (icon_info);
}
pixbuf = NULL;
stream = g_loadable_icon_load (G_LOADABLE_ICON (icon),
size,
NULL, NULL, NULL);
if (stream) {
pixbuf = eel_gdk_pixbuf_load_from_stream_at_size (stream, size);
g_object_unref (stream);
}
icon_info = nautilus_icon_info_new_for_pixbuf (pixbuf);
key = loadable_icon_key_new (icon, size);
g_hash_table_insert (loadable_icon_cache, key, icon_info);
return g_object_ref (icon_info);
} else if (G_IS_THEMED_ICON (icon)) {
const char * const *names;
ThemedIconKey lookup_key;
ThemedIconKey *key;
GtkIconTheme *icon_theme;
GtkIconInfo *gtkicon_info;
const char *filename;
if (themed_icon_cache == NULL) {
themed_icon_cache =
g_hash_table_new_full ((GHashFunc)themed_icon_key_hash,
(GEqualFunc)themed_icon_key_equal,
(GDestroyNotify) themed_icon_key_free,
(GDestroyNotify) g_object_unref);
}
names = g_themed_icon_get_names (G_THEMED_ICON (icon));
icon_theme = gtk_icon_theme_get_default ();
gtkicon_info = gtk_icon_theme_choose_icon (icon_theme, (const char **)names, size, 0);
if (gtkicon_info == NULL) {
return nautilus_icon_info_new_for_pixbuf (NULL);
}
filename = gtk_icon_info_get_filename (gtkicon_info);
lookup_key.filename = (char *)filename;
lookup_key.size = size;
icon_info = g_hash_table_lookup (themed_icon_cache, &lookup_key);
if (icon_info) {
gtk_icon_info_free (gtkicon_info);
return g_object_ref (icon_info);
}
icon_info = nautilus_icon_info_new_for_icon_info (gtkicon_info);
key = themed_icon_key_new (filename, size);
g_hash_table_insert (themed_icon_cache, key, icon_info);
gtk_icon_info_free (gtkicon_info);
return g_object_ref (icon_info);
} else {
GdkPixbuf *pixbuf;
GtkIconInfo *gtk_icon_info;
gtk_icon_info = gtk_icon_theme_lookup_by_gicon (gtk_icon_theme_get_default (),
icon,
size,
GTK_ICON_LOOKUP_GENERIC_FALLBACK);
if (gtk_icon_info != NULL) {
pixbuf = gtk_icon_info_load_icon (gtk_icon_info, NULL);
gtk_icon_info_free (gtk_icon_info);
} else {
pixbuf = NULL;
}
return nautilus_icon_info_new_for_pixbuf (pixbuf);
}
}
NautilusIconInfo *
nautilus_icon_info_lookup (GIcon *icon,
int size)
{
NautilusIconInfo *icon_info;
GdkPixbuf *pixbuf;
if (G_IS_LOADABLE_ICON (icon)) {
LoadableIconKey lookup_key;
LoadableIconKey *key;
GInputStream *stream;
if (loadable_icon_cache == NULL) {
loadable_icon_cache =
g_hash_table_new_full ((GHashFunc)loadable_icon_key_hash,
(GEqualFunc)loadable_icon_key_equal,
(GDestroyNotify) loadable_icon_key_free,
(GDestroyNotify) g_object_unref);
}
lookup_key.icon = icon;
lookup_key.size = size;
icon_info = g_hash_table_lookup (loadable_icon_cache, &lookup_key);
if (icon_info) {
return g_object_ref (icon_info);
}
pixbuf = NULL;
stream = g_loadable_icon_load (G_LOADABLE_ICON (icon),
size,
NULL, NULL, NULL);
if (stream) {
GdkPixbuf *scaled_pixbuf;
int w, h, s;
double scale;
pixbuf = eel_gdk_pixbuf_load_from_stream (stream);
g_object_unref (stream);
w = gdk_pixbuf_get_width (pixbuf);
h = gdk_pixbuf_get_height (pixbuf);
s = MAX (w, h);
if (size != s) {
scale = (double)size / s;
scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
w * scale, h * scale,
GDK_INTERP_BILINEAR);
g_object_unref (pixbuf);
pixbuf = scaled_pixbuf;
}
}
icon_info = nautilus_icon_info_new_for_pixbuf (pixbuf);
key = loadable_icon_key_new (icon, size);
g_hash_table_insert (loadable_icon_cache, key, icon_info);
return g_object_ref (icon_info);
} else if (G_IS_THEMED_ICON (icon)) {
const char * const *names;
ThemedIconKey lookup_key;
ThemedIconKey *key;
GtkIconTheme *icon_theme;
GtkIconInfo *gtkicon_info;
const char *filename;
if (themed_icon_cache == NULL) {
themed_icon_cache =
g_hash_table_new_full ((GHashFunc)themed_icon_key_hash,
(GEqualFunc)themed_icon_key_equal,
(GDestroyNotify) themed_icon_key_free,
(GDestroyNotify) g_object_unref);
}
names = g_themed_icon_get_names (G_THEMED_ICON (icon));
icon_theme = gtk_icon_theme_get_default ();
gtkicon_info = gtk_icon_theme_choose_icon (icon_theme, (const char **)names, size, 0);
if (gtkicon_info == NULL) {
return nautilus_icon_info_new_for_pixbuf (NULL);
}
filename = gtk_icon_info_get_filename (gtkicon_info);
lookup_key.filename = (char *)filename;
lookup_key.size = size;
icon_info = g_hash_table_lookup (themed_icon_cache, &lookup_key);
if (icon_info) {
gtk_icon_info_free (gtkicon_info);
return g_object_ref (icon_info);
}
icon_info = nautilus_icon_info_new_for_icon_info (gtkicon_info);
key = themed_icon_key_new (filename, size);
g_hash_table_insert (themed_icon_cache, key, icon_info);
gtk_icon_info_free (gtkicon_info);
return g_object_ref (icon_info);
}
return nautilus_icon_info_new_for_pixbuf (NULL);
}
/**
* rb_device_source_set_display_details:
* @source: a #RBDeviceSource
*
* Sets the icon and display name for a device-based source.
* The details come from the mount and/or volume. This should
* be called in the source's constructed method.
*/
void
rb_device_source_set_display_details (RBDeviceSource *source)
{
GMount *mount = NULL;
GVolume *volume = NULL;
GIcon *icon = NULL;
char *display_name;
GdkPixbuf *pixbuf = NULL;
if (g_object_class_find_property (G_OBJECT_GET_CLASS (source), "volume")) {
g_object_get (source, "volume", &volume, NULL);
}
if (g_object_class_find_property (G_OBJECT_GET_CLASS (source), "mount")) {
g_object_get (source, "mount", &mount, NULL);
}
/* prefer mount details to volume details, as the nautilus sidebar does */
if (mount != NULL) {
mount = g_object_ref (mount);
} else if (volume != NULL) {
mount = g_volume_get_mount (volume);
} else {
mount = NULL;
}
if (mount != NULL) {
display_name = g_mount_get_name (mount);
icon = g_mount_get_icon (mount);
rb_debug ("details from mount: display name = %s, icon = %p", display_name, icon);
} else if (volume != NULL) {
display_name = g_volume_get_name (volume);
icon = g_volume_get_icon (volume);
rb_debug ("details from volume: display name = %s, icon = %p", display_name, icon);
} else {
display_name = g_strdup ("Unknown Device");
icon = g_themed_icon_new ("multimedia-player");
}
g_object_set (source, "name", display_name, NULL);
g_free (display_name);
if (icon == NULL) {
rb_debug ("no icon set");
pixbuf = NULL;
} else if (G_IS_THEMED_ICON (icon)) {
GtkIconTheme *theme;
const char * const *names;
gint size;
int i;
theme = gtk_icon_theme_get_default ();
gtk_icon_size_lookup (RB_SOURCE_ICON_SIZE, &size, NULL);
i = 0;
names = g_themed_icon_get_names (G_THEMED_ICON (icon));
while (names[i] != NULL && pixbuf == NULL) {
rb_debug ("looking up themed icon: %s", names[i]);
pixbuf = gtk_icon_theme_load_icon (theme, names[i], size, 0, NULL);
i++;
}
} else if (G_IS_LOADABLE_ICON (icon)) {
rb_debug ("loading of GLoadableIcons is not implemented yet");
pixbuf = NULL;
}
if (pixbuf != NULL) {
g_object_set (source, "pixbuf", pixbuf, NULL);
g_object_unref (pixbuf);
}
if (mount != NULL) {
g_object_unref (mount);
}
if (volume != NULL) {
g_object_unref (volume);
}
if (icon != NULL) {
g_object_unref (icon);
}
}