/* -*- 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA * * Authors: Based on Novell's e-image-chooser. * Xavier Claessens */ #include "config.h" #include #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 /** * SECTION:empathy-avatar-chooser * @title: EmpathyAvatarChooser * @short_description: A widget used to change avatar * @include: libempathy-gtk/empathy-avatar-chooser.h * * #EmpathyAvatarChooser is a widget which extends #GtkButton to * provide a way of changing avatar. */ /** * EmpathyAvatarChooser: * @parent: parent object * * Widget which extends #GtkButton to provide a way of changing avatar. */ #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 { EmpathyTpContactFactory *factory; TpConnection *connection; GtkFileChooser *chooser_dialog; gulong ready_handler_id; EmpathyAvatar *avatar; } EmpathyAvatarChooserPriv; static void avatar_chooser_finalize (GObject *object); static void avatar_chooser_set_connection (EmpathyAvatarChooser *self, TpConnection *connection); static void avatar_chooser_set_image (EmpathyAvatarChooser *chooser, EmpathyAvatar *avatar, GdkPixbuf *pixbuf, 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_CONNECTION }; 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_CONNECTION: g_value_set_object (value, priv->connection); 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_CONNECTION: avatar_chooser_set_connection (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; /** * EmpathyAvatarChooser::changed: * @chooser: an #EmpathyAvatarChooser * * Emitted when the chosen avatar has changed. * */ 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); /** * EmpathyAvatarChooser:connection: * * The #TpConnection whose avatar should be shown and modified by * the #EmpathyAvatarChooser instance. */ param_spec = g_param_spec_object ("connection", "TpConnection", "TpConnection whose avatar should be " "shown and modified by this widget", TP_TYPE_CONNECTION, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS); g_object_class_install_property (object_class, PROP_CONNECTION, 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); empathy_avatar_chooser_set (chooser, NULL); } static void avatar_chooser_finalize (GObject *object) { EmpathyAvatarChooserPriv *priv; priv = GET_PRIV (object); avatar_chooser_set_connection (EMPATHY_AVATAR_CHOOSER (object), NULL); g_assert (priv->connection == NULL); g_assert (priv->factory == NULL); if (priv->avatar != NULL) { empathy_avatar_unref (priv->avatar); } G_OBJECT_CLASS (empathy_avatar_chooser_parent_class)->finalize (object); } static void avatar_chooser_set_connection (EmpathyAvatarChooser *self, TpConnection *connection) { EmpathyAvatarChooserPriv *priv = GET_PRIV (self); if (priv->connection != NULL) { g_object_unref (priv->connection); priv->connection = NULL; g_object_unref (priv->factory); priv->factory = NULL; } if (connection != NULL) { priv->connection = g_object_ref (connection); priv->factory = empathy_tp_contact_factory_dup_singleton (connection); } } static void avatar_chooser_error_show (EmpathyAvatarChooser *chooser, const gchar *primary_text, const gchar *secondary_text) { GtkWidget *parent; GtkWidget *dialog; parent = gtk_widget_get_toplevel (GTK_WIDGET (chooser)); if (!GTK_IS_WINDOW (parent)) { parent = NULL; } dialog = gtk_message_dialog_new (parent ? GTK_WINDOW (parent) : NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_WARNING, GTK_BUTTONS_CLOSE, "%s", primary_text); if (secondary_text != NULL) { gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), "%s", secondary_text); } g_signal_connect (dialog, "response", G_CALLBACK (gtk_widget_destroy), NULL); gtk_widget_show (dialog); } static gboolean str_in_strv (const 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 avatar_chooser_need_mime_type_conversion (const gchar *current_mime_type, gchar **accepted_mime_types, gchar **satisfactory_format_name, gchar **satisfactory_mime_type) { gchar *good_mime_types[] = {"image/jpeg", "image/png", NULL}; guint i; GSList *formats, *l; gboolean found = FALSE; *satisfactory_format_name = NULL; *satisfactory_mime_type = NULL; /* If there is no accepted format there is nothing we can do */ if (accepted_mime_types == NULL || *accepted_mime_types == NULL) { return TRUE; } /* If the current mime type is good and accepted, don't change it! * jpeg is compress better pictures, but png is better for logos and * could have an alpha layer. */ if (str_in_strv (current_mime_type, good_mime_types) && str_in_strv (current_mime_type, accepted_mime_types)) { *satisfactory_mime_type = g_strdup (current_mime_type); *satisfactory_format_name = g_strdup (current_mime_type + strlen ("image/")); return FALSE; } /* The current mime type is either not accepted or not good to use. * Check if one of the good format is supported... */ for (i = 0; good_mime_types[i] != NULL; i++) { if (str_in_strv (good_mime_types[i], accepted_mime_types)) { *satisfactory_mime_type = g_strdup (good_mime_types[i]); *satisfactory_format_name = g_strdup (good_mime_types[i] + strlen ("image/")); return TRUE; } } /* Pick the first supported format we can write */ formats = gdk_pixbuf_get_formats (); for (l = formats; !found && l != NULL; l = l->next) { GdkPixbufFormat *format = l->data; gchar **format_mime_types; gchar **iter; if (!gdk_pixbuf_format_is_writable (format)) { continue; } format_mime_types = gdk_pixbuf_format_get_mime_types (format); for (iter = format_mime_types; *iter != NULL; iter++) { if (str_in_strv (*iter, accepted_mime_types)) { *satisfactory_format_name = gdk_pixbuf_format_get_name (format); *satisfactory_mime_type = g_strdup (*iter); found = TRUE; break; } } g_strfreev (format_mime_types); } g_slist_free (formats); return TRUE; } static EmpathyAvatar * avatar_chooser_maybe_convert_and_scale (EmpathyAvatarChooser *chooser, GdkPixbuf *pixbuf, EmpathyAvatar *avatar) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); guint max_width = 0, max_height = 0, max_size = 0; gchar **mime_types = NULL; gboolean needs_conversion = FALSE; guint width, height; gchar *new_format_name = NULL; gchar *new_mime_type = NULL; gdouble min_factor, max_factor; gdouble factor; gchar *converted_image_data = NULL; gsize converted_image_size = 0; g_object_get (priv->factory, "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); /* Smaller is the factor, smaller will be the image. * 0 is an empty image, 1 is the full size. */ min_factor = 0; max_factor = 1; factor = 1; /* Check if we need to convert to another image format */ if (avatar_chooser_need_mime_type_conversion (avatar->format, mime_types, &new_format_name, &new_mime_type)) { DEBUG ("Format conversion needed, we'll use mime type '%s' " "and format name '%s'. Current mime type is '%s'", new_mime_type, new_format_name, avatar->format); needs_conversion = TRUE; } g_strfreev (mime_types); /* If there is no format we can use, report error to the user. */ if (new_mime_type == NULL || new_format_name == NULL) { avatar_chooser_error_show (chooser, _("Couldn't convert image"), _("None of the accepted image formats is " "supported on your system")); return NULL; } /* If width or height are too big, it needs converting. */ width = gdk_pixbuf_get_width (pixbuf); height = gdk_pixbuf_get_height (pixbuf); if ((max_width > 0 && width > max_width) || (max_height > 0 && height > max_height)) { gdouble h_factor, v_factor; h_factor = (gdouble) max_width / width; v_factor = (gdouble) max_height / height; factor = max_factor = MIN (h_factor, v_factor); DEBUG ("Image dimensions (%dx%d) are too big. Max is %dx%d.", width, height, max_width, max_height); needs_conversion = TRUE; } /* If the data len is too big and no other conversion is needed, * try with a lower factor. */ if (max_size > 0 && avatar->len > max_size && !needs_conversion) { DEBUG ("Image data (%"G_GSIZE_FORMAT" bytes) is too big " "(max is %u bytes), conversion needed.", avatar->len, max_size); factor = 0.5; needs_conversion = TRUE; } /* If no conversion is needed, return the avatar */ if (!needs_conversion) { g_free (new_format_name); g_free (new_mime_type); return empathy_avatar_ref (avatar); } do { GdkPixbuf *pixbuf_scaled = NULL; gboolean saved; gint new_width, new_height; GError *error = NULL; g_free (converted_image_data); if (factor != 1) { new_width = width * factor; new_height = height * factor; pixbuf_scaled = gdk_pixbuf_scale_simple (pixbuf, new_width, new_height, GDK_INTERP_HYPER); } else { new_width = width; new_height = height; pixbuf_scaled = g_object_ref (pixbuf); } DEBUG ("Trying with factor %f (%dx%d) and format %s...", factor, new_width, new_height, new_format_name); saved = gdk_pixbuf_save_to_buffer (pixbuf_scaled, &converted_image_data, &converted_image_size, new_format_name, &error, NULL); g_object_unref (pixbuf_scaled); if (!saved) { g_free (new_format_name); g_free (new_mime_type); avatar_chooser_error_show (chooser, _("Couldn't convert image"), error ? error->message : NULL); g_clear_error (&error); return NULL; } DEBUG ("Produced an image data of %"G_GSIZE_FORMAT" bytes.", converted_image_size); if (max_size == 0) break; /* Make a binary search for the bigest factor that produce * an image data size less than max_size */ if (converted_image_size > max_size) max_factor = factor; if (converted_image_size < max_size) min_factor = factor; factor = (min_factor + max_factor)/2; /* We are done if either: * - min_factor == max_factor. That happens if we resized to * the max required dimension and the produced data size is * less than max_size. * - The data size is close enough to max_size. Here we accept * a difference of 1k. */ } while (min_factor != max_factor && abs (max_size - converted_image_size) > 1024); g_free (new_format_name); /* Takes ownership of new_mime_type and converted_image_data */ avatar = empathy_avatar_new ((guchar *) converted_image_data, converted_image_size, new_mime_type, NULL, NULL); return avatar; } static void avatar_chooser_clear_image (EmpathyAvatarChooser *chooser) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); GtkWidget *image; if (priv->avatar != NULL) { 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_from_data (EmpathyAvatarChooser *chooser, gchar *data, gsize size, gboolean set_locally) { GdkPixbuf *pixbuf; EmpathyAvatar *avatar = NULL; gchar *mime_type = NULL; if (data == NULL) { avatar_chooser_clear_image (chooser); return; } pixbuf = empathy_pixbuf_from_data_and_mime (data, size, &mime_type); if (pixbuf == NULL) { g_free (data); data = NULL; return; } /* avatar takes ownership of data and mime_type */ avatar = empathy_avatar_new ((guchar *) data, size, mime_type, NULL, NULL); avatar_chooser_set_image (chooser, avatar, pixbuf, set_locally); } static void avatar_chooser_set_image_from_avatar (EmpathyAvatarChooser *chooser, EmpathyAvatar *avatar, gboolean set_locally) { GdkPixbuf *pixbuf; gchar *mime_type = NULL; g_assert (avatar != NULL); pixbuf = empathy_pixbuf_from_data_and_mime ((gchar *) avatar->data, avatar->len, &mime_type); if (pixbuf == NULL) { DEBUG ("couldn't make a pixbuf from avatar; giving up"); return; } if (avatar->format == NULL) { avatar->format = mime_type; } else { if (strcmp (mime_type, avatar->format)) { DEBUG ("avatar->format is %s; gdkpixbuf yields %s!", avatar->format, mime_type); } g_free (mime_type); } empathy_avatar_ref (avatar); avatar_chooser_set_image (chooser, avatar, pixbuf, set_locally); } static void avatar_chooser_set_image (EmpathyAvatarChooser *chooser, EmpathyAvatar *avatar, GdkPixbuf *pixbuf, gboolean set_locally) { EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); GdkPixbuf *pixbuf_view; GtkWidget *image; g_assert (avatar != NULL); g_assert (pixbuf != NULL); if (set_locally) { EmpathyAvatar *conv; conv = avatar_chooser_maybe_convert_and_scale (chooser, pixbuf, avatar); empathy_avatar_unref (avatar); if (conv == NULL) { /* An error occured; don't change the avatar. */ return; } avatar = conv; } 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_from_data (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 (gtk_selection_data_get_target (selection_data)); if (!strcmp (target_type, URI_LIST_TYPE)) { GFile *file; gchar *nl; gchar *data = NULL; gsize bytes_read; nl = strstr ((gchar *) gtk_selection_data_get_data (selection_data), "\r\n"); if (nl) { gchar *uri; uri = g_strndup ((gchar *) gtk_selection_data_get_data (selection_data), nl - (gchar *) gtk_selection_data_get_data (selection_data)); file = g_file_new_for_uri (uri); g_free (uri); } else { file = g_file_new_for_uri ((gchar *) gtk_selection_data_get_data ( selection_data)); } handled = g_file_load_contents (file, NULL, &data, &bytes_read, NULL, NULL); if (handled) { /* this in turn calls empathy_avatar_new(), which assumes * ownership of data. */ avatar_chooser_set_image_from_data (chooser, data, bytes_read, TRUE); } 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); } g_free (filename); } 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); priv->chooser_dialog = NULL; 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); } 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; EmpathyAvatarChooserPriv *priv = GET_PRIV (chooser); if (priv->chooser_dialog) { gtk_window_present (GTK_WINDOW (priv->chooser_dialog)); return; } priv->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)); chooser_dialog = priv->chooser_dialog; gtk_window_set_destroy_with_parent (GTK_WINDOW (chooser_dialog), TRUE); /* 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); } /** * empathy_avatar_chooser_new: * * Creates a new #EmpathyAvatarChooser. * * Return value: a new #EmpathyAvatarChooser */ GtkWidget * empathy_avatar_chooser_new () { return g_object_new (EMPATHY_TYPE_AVATAR_CHOOSER, NULL); } /** * empathy_avatar_chooser_set: * @chooser: an #EmpathyAvatarChooser * @avatar: a new #EmpathyAvatar * * Sets the @chooser to display the avatar indicated by @avatar. */ void empathy_avatar_chooser_set (EmpathyAvatarChooser *chooser, EmpathyAvatar *avatar) { g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (chooser)); if (avatar != NULL) { avatar_chooser_set_image_from_avatar (chooser, avatar, FALSE); } else { avatar_chooser_clear_image (chooser); } } /** * empathy_avatar_chooser_get_image_data: * @chooser: an #EmpathyAvatarChooser * @data: avatar bytes * @data_size: size of @data * @mime_type: avatar mime-type * * Gets image data about the currently selected avatar. */ 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 = (gchar *) 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; } } }