/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Copyright (C) 2006-2007 Imendio AB. * Copyright (C) 2007-2008 Collabora Ltd. * * This library is free software; you can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public * License as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * * Authors: Based on Novell's e-image-chooser. * Xavier Claessens */ #include "config.h" #include #include #include #include #include #include "empathy-avatar-chooser.h" #include "empathy-conf.h" #include "empathy-ui-utils.h" #define DEBUG_FLAG EMPATHY_DEBUG_OTHER #include #define AVATAR_SIZE_SAVE 96 #define AVATAR_SIZE_VIEW 64 #define DEFAULT_DIR DATADIR"/pixmaps/faces" #define GET_PRIV(obj) EMPATHY_GET_PRIV (obj, EmpathyAvatarChooser) typedef struct { EmpathyContactFactory *contact_factory; McAccount *account; EmpathyTpContactFactory *tp_contact_factory; gulong ready_handler_id; EmpathyAvatar *avatar; } EmpathyAvatarChooserPriv; static void avatar_chooser_finalize (GObject *object); static void avatar_chooser_set_account (EmpathyAvatarChooser *self, McAccount *account); static void avatar_chooser_set_image (EmpathyAvatarChooser *chooser, gchar *data, gsize size, gboolean set_locally); static gboolean avatar_chooser_drag_motion_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, EmpathyAvatarChooser *chooser); static void avatar_chooser_drag_leave_cb (GtkWidget *widget, GdkDragContext *context, guint time, EmpathyAvatarChooser *chooser); static gboolean avatar_chooser_drag_drop_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, EmpathyAvatarChooser *chooser); static void avatar_chooser_drag_data_received_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time, EmpathyAvatarChooser *chooser); static void avatar_chooser_clicked_cb (GtkWidget *button, EmpathyAvatarChooser *chooser); enum { CHANGED, LAST_SIGNAL }; enum { PROP_0, PROP_ACCOUNT }; static guint signals [LAST_SIGNAL]; G_DEFINE_TYPE (EmpathyAvatarChooser, empathy_avatar_chooser, GTK_TYPE_BUTTON); /* * Drag and drop stuff */ #define URI_LIST_TYPE "text/uri-list" enum DndTargetType { DND_TARGET_TYPE_URI_LIST }; static const GtkTargetEntry drop_types[] = { { URI_LIST_TYPE, 0, DND_TARGET_TYPE_URI_LIST }, }; static void avatar_chooser_get_property (GObject *object, guint param_id, GValue *value, GParamSpec *pspec) { EmpathyAvatarChooserPriv *priv = GET_PRIV (object); switch (param_id) { case PROP_ACCOUNT: g_value_set_object (value, priv->account); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void avatar_chooser_set_property (GObject *object, guint param_id, const GValue *value, GParamSpec *pspec) { EmpathyAvatarChooser *self = EMPATHY_AVATAR_CHOOSER (object); switch (param_id) { case PROP_ACCOUNT: avatar_chooser_set_account (self, g_value_get_object (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void empathy_avatar_chooser_class_init (EmpathyAvatarChooserClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GParamSpec *param_spec; object_class->finalize = avatar_chooser_finalize; object_class->get_property = avatar_chooser_get_property; object_class->set_property = avatar_chooser_set_property; signals[CHANGED] = g_signal_new ("changed", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST, 0, NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); param_spec = g_param_spec_object ("account", "McAccount", "McAccount whose avatar should be " "shown and modified by this widget", MC_TYPE_ACCOUNT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_ACCOUNT, param_spec); g_type_class_add_private (object_class, sizeof (EmpathyAvatarChooserPriv)); } static void empathy_avatar_chooser_init (EmpathyAvatarChooser *chooser) { EmpathyAvatarChooserPriv *priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser, EMPATHY_TYPE_AVATAR_CHOOSER, EmpathyAvatarChooserPriv); chooser->priv = priv; gtk_drag_dest_set (GTK_WIDGET (chooser), GTK_DEST_DEFAULT_ALL, drop_types, G_N_ELEMENTS (drop_types), GDK_ACTION_COPY); g_signal_connect (chooser, "drag-motion", G_CALLBACK (avatar_chooser_drag_motion_cb), chooser); g_signal_connect (chooser, "drag-leave", G_CALLBACK (avatar_chooser_drag_leave_cb), chooser); g_signal_connect (chooser, "drag-drop", G_CALLBACK (avatar_chooser_drag_drop_cb), chooser); g_signal_connect (chooser, "drag-data-received", G_CALLBACK (avatar_chooser_drag_data_received_cb), chooser); g_signal_connect (chooser, "clicked", G_CALLBACK (avatar_chooser_clicked_cb), chooser); priv->contact_factory = empathy_contact_factory_new (); empathy_avatar_chooser_set (chooser, NULL); } static void avatar_chooser_finalize (GObject *object) { EmpathyAvatarChooserPriv *priv; priv = GET_PRIV (object); avatar_chooser_set_account (EMPATHY_AVATAR_CHOOSER (object), NULL); g_assert (priv->account == NULL && priv->tp_contact_factory == NULL); g_object_unref (priv->contact_factory); if (priv->avatar != NULL) { empathy_avatar_unref (priv->avatar); } G_OBJECT_CLASS (empathy_avatar_chooser_parent_class)->finalize (object); } static void avatar_chooser_tp_cf_ready_cb (EmpathyTpContactFactory *tp_cf, GParamSpec *unused, EmpathyAvatarChooser *self) { EmpathyAvatarChooserPriv *priv = GET_PRIV (self); gboolean ready; /* sanity check that we're listening on the right ETpCF */ g_assert (priv->tp_contact_factory == tp_cf); ready = empathy_tp_contact_factory_is_ready (tp_cf); gtk_widget_set_sensitive (GTK_WIDGET (self), ready); } static void avatar_chooser_set_account (EmpathyAvatarChooser *self, McAccount *account) { EmpathyAvatarChooserPriv *priv = GET_PRIV (self); if (priv->account != NULL) { g_object_unref (priv->account); priv->account = NULL; g_assert (priv->tp_contact_factory != NULL); g_signal_handler_disconnect (priv->tp_contact_factory, priv->ready_handler_id); priv->ready_handler_id = 0; g_object_unref (priv->tp_contact_factory); priv->tp_contact_factory = NULL; } if (account != NULL) { priv->account = g_object_ref (account); priv->tp_contact_factory = g_object_ref ( empathy_contact_factory_get_tp_factory ( priv->contact_factory, priv->account)); priv->ready_handler_id = g_signal_connect ( priv->tp_contact_factory, "notify::ready", G_CALLBACK (avatar_chooser_tp_cf_ready_cb), self); avatar_chooser_tp_cf_ready_cb (priv->tp_contact_factory, NULL, self); } } static gboolean str_in_strv (gchar *str, gchar **strv) { if (strv == NULL) { return FALSE; } while (*strv != NULL) { if (g_str_equal (str, *strv)) { return TRUE; } strv++; } return FALSE; } /* The caller must free the strings stored in satisfactory_format_name and * satisfactory_mime_type. */ static gboolean can_satisfy_mime_type_requirements (gchar **accepted_mime_types, gchar **satisfactory_format_name, gchar **satisfactory_mime_type) { GSList *formats; GSList *l; gchar **strv; gboolean done = FALSE; if (accepted_mime_types == NULL || *accepted_mime_types == NULL) { return FALSE; } g_assert (satisfactory_format_name != NULL); g_assert (satisfactory_mime_type != NULL); formats = gdk_pixbuf_get_formats (); for (l = formats; !done && l != NULL; l = l->next) { GdkPixbufFormat *format = l->data; gchar **format_mime_types; if (!gdk_pixbuf_format_is_writable (format)) { continue; } format_mime_types = gdk_pixbuf_format_get_mime_types (format); for (strv = accepted_mime_types; *strv != NULL; strv++) { if (str_in_strv (*strv, format_mime_types)) { *satisfactory_format_name = gdk_pixbuf_format_get_name (format); *satisfactory_mime_type = g_strdup (*strv); done = TRUE; break; } } g_strfreev (format_mime_types); } g_slist_free (formats); return done; } static EmpathyAvatar * avatar_chooser_convert (EmpathyAvatarChooser *chooser, GdkPixbuf *pixbuf_scaled, gchar **mime_types, gsize max_size) { gchar *format_name = NULL, *new_mime_type = NULL; gchar *converted_image_data = NULL; gsize converted_image_size = 0; EmpathyAvatar *converted_avatar = NULL; gboolean saved; GError *error = NULL; if (!can_satisfy_mime_type_requirements (mime_types, &format_name, &new_mime_type)) { DEBUG ("Mon dieu! Can't convert to any acceptable format!"); return NULL; } saved = gdk_pixbuf_save_to_buffer (pixbuf_scaled, &converted_image_data, &converted_image_size, format_name, &error, NULL); g_free (format_name); if (!saved) { DEBUG ("Couldn't convert image: %s", error->message); g_error_free (error); g_free (new_mime_type); return NULL; } /* Takes ownership of new_mime_type */ converted_avatar = empathy_avatar_new (converted_image_data, converted_image_size, new_mime_type, NULL); if (max_size > 0 && converted_avatar->len > max_size) { /* FIXME: We could try converting to a different format; in * particular, try converting to jpeg with increasingly * high compression (if jpeg is supported). Not sure how * much we care. */ DEBUG ("Converted the image, but the new filesize is too big"); empathy_avatar_unref (converted_avatar); converted_avatar = NULL; } return converted_avatar; } static EmpathyAvatar * avatar_chooser_maybe_convert_and_scale (EmpathyAvatarChooser *chooser, GdkPixbuf *pixbuf, EmpathyAvatar *avatar) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); EmpathyTpContactFactory *tp_cf = priv->tp_contact_factory; gint max_width = 0, max_height = 0, max_size = 0; gchar **mime_types = NULL; gboolean needs_conversion = FALSE; GdkPixbuf *pixbuf_scaled = NULL; /* This should only be called if the user is setting a new avatar, * which should only be allowed once the avatar requirements have been * discovered. */ g_return_val_if_fail (tp_cf != NULL, NULL); g_return_val_if_fail (empathy_tp_contact_factory_is_ready (tp_cf), NULL); g_object_get (tp_cf, "avatar-mime-types", &mime_types, /* Needs g_strfreev-ing */ "avatar-max-width", &max_width, "avatar-max-height", &max_height, "avatar-max-size", &max_size, NULL); /* If the avatar's not already the right type, it needs converting. */ if (!str_in_strv (avatar->format, mime_types)) { needs_conversion = TRUE; } /* If scaling down the pixbuf to fit the dimensions yields a new * pixbuf, then it needed scaling. if it's the same pixbuf, it did not. */ pixbuf_scaled = empathy_pixbuf_scale_down_if_necessary (pixbuf, MIN(max_width, max_height)); if (pixbuf_scaled != pixbuf) { needs_conversion = TRUE; } if (max_size > 0 && avatar->len > max_size) { needs_conversion = TRUE; } if (needs_conversion) { avatar = avatar_chooser_convert (chooser, pixbuf_scaled, mime_types, max_size); } else { /* Just return another reference to the avatar passed in. */ avatar = empathy_avatar_ref (avatar); } g_object_unref (pixbuf_scaled); g_strfreev (mime_types); return avatar; } static void avatar_chooser_clear_image (EmpathyAvatarChooser *chooser) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); GtkWidget *image; if (priv->avatar == NULL) { return; } empathy_avatar_unref (priv->avatar); priv->avatar = NULL; image = gtk_image_new_from_icon_name ("stock_person", GTK_ICON_SIZE_DIALOG); gtk_button_set_image (GTK_BUTTON (chooser), image); g_signal_emit (chooser, signals[CHANGED], 0); } static void avatar_chooser_set_image (EmpathyAvatarChooser *chooser, gchar *data, gsize size, gboolean set_locally) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); GdkPixbuf *pixbuf, *pixbuf_view; GtkWidget *image; EmpathyAvatar *avatar = NULL; gchar *mime_type = NULL; if (data == NULL) { avatar_chooser_clear_image (chooser); g_free (data); return; } pixbuf = empathy_pixbuf_from_data (data, size, &mime_type); if (pixbuf == NULL) { g_free (data); return; } /* avatar takes ownership of data and mime_type */ avatar = empathy_avatar_new (data, size, mime_type, NULL); if (set_locally) { EmpathyAvatar *conv = avatar_chooser_maybe_convert_and_scale ( chooser, pixbuf, avatar); empathy_avatar_unref (avatar); avatar = conv; } if (avatar == NULL) { /* An error occured; don't change the avatar. */ return; } if (priv->avatar != NULL) { empathy_avatar_unref (priv->avatar); } priv->avatar = avatar; pixbuf_view = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_VIEW); image = gtk_image_new_from_pixbuf (pixbuf_view); gtk_button_set_image (GTK_BUTTON (chooser), image); g_signal_emit (chooser, signals[CHANGED], 0); g_object_unref (pixbuf_view); g_object_unref (pixbuf); } static void avatar_chooser_set_image_from_file (EmpathyAvatarChooser *chooser, const gchar *filename) { gchar *image_data = NULL; gsize image_size = 0; GError *error = NULL; if (!g_file_get_contents (filename, &image_data, &image_size, &error)) { DEBUG ("Failed to load image from '%s': %s", filename, error ? error->message : "No error given"); g_clear_error (&error); return; } avatar_chooser_set_image (chooser, image_data, image_size, TRUE); } static gboolean avatar_chooser_drag_motion_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, EmpathyAvatarChooser *chooser) { EmpathyAvatarChooserPriv *priv; GList *p; priv = GET_PRIV (chooser); for (p = context->targets; p != NULL; p = p->next) { gchar *possible_type; possible_type = gdk_atom_name (GDK_POINTER_TO_ATOM (p->data)); if (!strcmp (possible_type, URI_LIST_TYPE)) { g_free (possible_type); gdk_drag_status (context, GDK_ACTION_COPY, time); return TRUE; } g_free (possible_type); } return FALSE; } static void avatar_chooser_drag_leave_cb (GtkWidget *widget, GdkDragContext *context, guint time, EmpathyAvatarChooser *chooser) { } static gboolean avatar_chooser_drag_drop_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time, EmpathyAvatarChooser *chooser) { EmpathyAvatarChooserPriv *priv; GList *p; priv = GET_PRIV (chooser); if (context->targets == NULL) { return FALSE; } for (p = context->targets; p != NULL; p = p->next) { char *possible_type; possible_type = gdk_atom_name (GDK_POINTER_TO_ATOM (p->data)); if (!strcmp (possible_type, URI_LIST_TYPE)) { g_free (possible_type); gtk_drag_get_data (widget, context, GDK_POINTER_TO_ATOM (p->data), time); return TRUE; } g_free (possible_type); } return FALSE; } static void avatar_chooser_drag_data_received_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time, EmpathyAvatarChooser *chooser) { gchar *target_type; gboolean handled = FALSE; target_type = gdk_atom_name (selection_data->target); if (!strcmp (target_type, URI_LIST_TYPE)) { GFile *file; GFileInputStream *input_stream; gchar *nl; gchar *data = NULL; nl = strstr (selection_data->data, "\r\n"); if (nl) { gchar *uri; uri = g_strndup (selection_data->data, nl - (gchar*) selection_data->data); file = g_file_new_for_uri (uri); g_free (uri); } else { file = g_file_new_for_uri (selection_data->data); } input_stream = g_file_read (file, NULL, NULL); if (input_stream != NULL) { GFileInfo *info; info = g_file_query_info (file, G_FILE_ATTRIBUTE_STANDARD_SIZE, 0, NULL, NULL); if (info != NULL) { goffset size; gssize bytes_read; size = g_file_info_get_size (info); data = g_malloc (size); bytes_read = g_input_stream_read (G_INPUT_STREAM (input_stream), data, size, NULL, NULL); if (bytes_read != -1) { avatar_chooser_set_image (chooser, data, (gsize) bytes_read, TRUE); handled = TRUE; } g_free (data); g_object_unref (info); } g_object_unref (input_stream); } g_object_unref (file); } gtk_drag_finish (context, handled, FALSE, time); } static void avatar_chooser_update_preview_cb (GtkFileChooser *file_chooser, EmpathyAvatarChooser *chooser) { gchar *filename; filename = gtk_file_chooser_get_preview_filename (file_chooser); if (filename) { GtkWidget *image; GdkPixbuf *pixbuf = NULL; GdkPixbuf *scaled_pixbuf; pixbuf = gdk_pixbuf_new_from_file (filename, NULL); image = gtk_file_chooser_get_preview_widget (file_chooser); if (pixbuf) { scaled_pixbuf = empathy_pixbuf_scale_down_if_necessary (pixbuf, AVATAR_SIZE_SAVE); gtk_image_set_from_pixbuf (GTK_IMAGE (image), scaled_pixbuf); g_object_unref (scaled_pixbuf); g_object_unref (pixbuf); } else { gtk_image_set_from_stock (GTK_IMAGE (image), "gtk-dialog-question", GTK_ICON_SIZE_DIALOG); } } gtk_file_chooser_set_preview_widget_active (file_chooser, TRUE); } static void avatar_chooser_response_cb (GtkWidget *widget, gint response, EmpathyAvatarChooser *chooser) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); if (response == GTK_RESPONSE_CANCEL) { goto out; } /* Check if we went non-ready since displaying the dialog. */ if (!empathy_tp_contact_factory_is_ready (priv->tp_contact_factory)) { DEBUG ("Can't set avatar when contact factory isn't ready."); goto out; } if (response == GTK_RESPONSE_OK) { gchar *filename; gchar *path; filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (widget)); avatar_chooser_set_image_from_file (chooser, filename); g_free (filename); path = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER (widget)); if (path) { empathy_conf_set_string (empathy_conf_get (), EMPATHY_PREFS_UI_AVATAR_DIRECTORY, path); g_free (path); } } else if (response == GTK_RESPONSE_NO) { /* This corresponds to "No Image", not to "Cancel" */ avatar_chooser_clear_image (chooser); } out: gtk_widget_destroy (widget); } static void avatar_chooser_clicked_cb (GtkWidget *button, EmpathyAvatarChooser *chooser) { GtkFileChooser *chooser_dialog; GtkWidget *image; gchar *saved_dir = NULL; const gchar *default_dir = DEFAULT_DIR; const gchar *pics_dir; GtkFileFilter *filter; chooser_dialog = GTK_FILE_CHOOSER ( gtk_file_chooser_dialog_new (_("Select Your Avatar Image"), empathy_get_toplevel_window (GTK_WIDGET (chooser)), GTK_FILE_CHOOSER_ACTION_OPEN, _("No Image"), GTK_RESPONSE_NO, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_OK, NULL)); /* Get special dirs */ empathy_conf_get_string (empathy_conf_get (), EMPATHY_PREFS_UI_AVATAR_DIRECTORY, &saved_dir); if (saved_dir && !g_file_test (saved_dir, G_FILE_TEST_IS_DIR)) { g_free (saved_dir); saved_dir = NULL; } if (!g_file_test (default_dir, G_FILE_TEST_IS_DIR)) { default_dir = NULL; } pics_dir = g_get_user_special_dir (G_USER_DIRECTORY_PICTURES); if (pics_dir && !g_file_test (pics_dir, G_FILE_TEST_IS_DIR)) { pics_dir = NULL; } /* Set current dir to the last one or to DEFAULT_DIR or to home */ if (saved_dir) { gtk_file_chooser_set_current_folder (chooser_dialog, saved_dir); } else if (pics_dir) { gtk_file_chooser_set_current_folder (chooser_dialog, pics_dir); } else if (default_dir) { gtk_file_chooser_set_current_folder (chooser_dialog, default_dir); } else { gtk_file_chooser_set_current_folder (chooser_dialog, g_get_home_dir ()); } /* Add shortcuts to special dirs */ if (saved_dir) { gtk_file_chooser_add_shortcut_folder (chooser_dialog, saved_dir, NULL); } else if (pics_dir) { gtk_file_chooser_add_shortcut_folder (chooser_dialog, pics_dir, NULL); } if (default_dir) { gtk_file_chooser_add_shortcut_folder (chooser_dialog, default_dir, NULL); } /* Setup preview image */ image = gtk_image_new (); gtk_file_chooser_set_preview_widget (chooser_dialog, image); gtk_widget_set_size_request (image, AVATAR_SIZE_SAVE, AVATAR_SIZE_SAVE); gtk_widget_show (image); gtk_file_chooser_set_use_preview_label (chooser_dialog, FALSE); g_signal_connect (chooser_dialog, "update-preview", G_CALLBACK (avatar_chooser_update_preview_cb), chooser); /* Setup filers */ filter = gtk_file_filter_new (); gtk_file_filter_set_name (filter, _("Images")); gtk_file_filter_add_pixbuf_formats (filter); gtk_file_chooser_add_filter (chooser_dialog, filter); filter = gtk_file_filter_new (); gtk_file_filter_set_name (filter, _("All Files")); gtk_file_filter_add_pattern(filter, "*"); gtk_file_chooser_add_filter (chooser_dialog, filter); /* Setup response */ gtk_dialog_set_default_response (GTK_DIALOG (chooser_dialog), GTK_RESPONSE_OK); g_signal_connect (chooser_dialog, "response", G_CALLBACK (avatar_chooser_response_cb), chooser); gtk_widget_show (GTK_WIDGET (chooser_dialog)); g_free (saved_dir); } GtkWidget * empathy_avatar_chooser_new () { return g_object_new (EMPATHY_TYPE_AVATAR_CHOOSER, NULL); } /* FIXME: when the avatar passed to this function actually can be relied upon to * contain a mime type, we can probably just ref it and store it. */ void empathy_avatar_chooser_set (EmpathyAvatarChooser *chooser, EmpathyAvatar *avatar) { g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); if (avatar != NULL) { gchar *data = g_memdup (avatar->data, avatar->len); avatar_chooser_set_image (chooser, data, avatar->len, FALSE); } else { avatar_chooser_clear_image (chooser); } } void empathy_avatar_chooser_get_image_data (EmpathyAvatarChooser *chooser, const gchar **data, gsize *data_size, const gchar **mime_type) { EmpathyAvatarChooserPriv *priv; g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); priv = GET_PRIV (chooser); if (priv->avatar != NULL) { if (data != NULL) { *data = priv->avatar->data; } if (data_size != NULL) { *data_size = priv->avatar->len; } if (mime_type != NULL) { *mime_type = priv->avatar->format; } } else { if (data != NULL) { *data = NULL; } if (data_size != NULL) { *data_size = 0; } if (mime_type != NULL) { *mime_type = NULL; } } }