static void
load_async_thread (GSimpleAsyncResult *res,
GObject *object,
GCancellable *cancellable)
{
GLoadableIconIface *iface;
GInputStream *stream;
LoadData *data;
GError *error = NULL;
char *type = NULL;
data = g_simple_async_result_get_op_res_gpointer (res);
iface = G_LOADABLE_ICON_GET_IFACE (object);
stream = iface->load (G_LOADABLE_ICON (object), data->size, &type, cancellable, &error);
if (stream == NULL)
{
g_simple_async_result_take_error (res, error);
}
else
{
data->stream = stream;
data->type = type;
}
}
static void
test_serialize (void)
{
GError *error = NULL;
GdkPixbuf *pixbuf;
GdkPixbuf *pixbuf2;
GVariant *data;
GIcon *icon;
GInputStream *stream;
pixbuf = gdk_pixbuf_new_from_file (g_test_get_filename (G_TEST_DIST, "test-image.png", NULL), &error);
g_assert_no_error (error);
g_assert (pixbuf != NULL);
/* turn it into a GVariant */
data = g_icon_serialize (G_ICON (pixbuf));
/* back to a GIcon, but this will be a GBytesIcon, not GdkPixbuf */
icon = g_icon_deserialize (data);
g_assert (G_IS_BYTES_ICON (icon));
/* but since that is a GLoadableIcon, we can load it again */
stream = g_loadable_icon_load (G_LOADABLE_ICON (icon), 0, NULL, NULL, &error);
g_assert_no_error (error);
pixbuf2 = gdk_pixbuf_new_from_stream (stream, NULL, &error);
g_assert_no_error (error);
/* make sure that the pixels are the same.
* our _serialize() uses png, so this should be perfect.
*/
{
guchar *pixels_a, *pixels_b;
guint len_a, len_b;
pixels_a = gdk_pixbuf_get_pixels_with_length (pixbuf, &len_a);
pixels_b = gdk_pixbuf_get_pixels_with_length (pixbuf2, &len_b);
g_assert (len_a == len_b);
g_assert (memcmp (pixels_a, pixels_b, len_a) == 0);
}
g_object_unref (pixbuf2);
g_object_unref (pixbuf);
g_object_unref (stream);
g_variant_unref (data);
}
static void
avatar_icon_load_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
GLoadableIcon *icon = G_LOADABLE_ICON (object);
PixbufAvatarFromIndividualClosure *closure = user_data;
GInputStream *stream;
GError *error = NULL;
GdkPixbuf *pixbuf;
GdkPixbuf *final_pixbuf;
stream = g_loadable_icon_load_finish (icon, result, NULL, &error);
if (error != NULL)
{
DEBUG ("Failed to open avatar stream: %s", error->message);
g_simple_async_result_set_from_error (closure->result, error);
goto out;
}
pixbuf = gdk_pixbuf_new_from_stream_at_scale (stream,
closure->width, closure->height, TRUE, closure->cancellable, &error);
g_object_unref (stream);
if (pixbuf == NULL)
{
DEBUG ("Failed to read avatar: %s", error->message);
g_simple_async_result_set_from_error (closure->result, error);
goto out;
}
final_pixbuf = transform_pixbuf (pixbuf);
/* Pass ownership of final_pixbuf to the result */
g_simple_async_result_set_op_res_gpointer (closure->result,
final_pixbuf, g_object_unref);
out:
g_simple_async_result_complete (closure->result);
g_clear_error (&error);
pixbuf_avatar_from_individual_closure_free (closure);
}
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);
}