/* * 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-images.h" #include "empathy-ui-utils.h" #ifdef HAVE_CHEESE #include #endif /* HAVE_CHEESE */ #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" #ifdef HAVE_CHEESE /* * A custom GtkResponseType used when the user presses the * "Camera Picture" button. Any positive value would be sufficient. */ #define EMPATHY_AVATAR_CHOOSER_RESPONSE_WEBCAM 10 #endif #define EMPATHY_AVATAR_CHOOSER_RESPONSE_NO_IMAGE GTK_RESPONSE_NO #define EMPATHY_AVATAR_CHOOSER_RESPONSE_CANCEL GTK_RESPONSE_CANCEL #define EMPATHY_AVATAR_CHOOSER_RESPONSE_FILE GTK_RESPONSE_OK struct _EmpathyAvatarChooserPrivate { TpConnection *connection; GtkFileChooser *chooser_dialog; gulong ready_handler_id; EmpathyAvatar *avatar; GSettings *gsettings_ui; }; 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) { EmpathyAvatarChooser *self = (EmpathyAvatarChooser *) object; switch (param_id) { case PROP_CONNECTION: g_value_set_object (value, self->priv->connection); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec); break; } } static void avatar_chooser_set_connection (EmpathyAvatarChooser *self, TpConnection *connection) { tp_clear_object (&self->priv->connection); if (connection != NULL) self->priv->connection = g_object_ref (connection); } 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 avatar_chooser_dispose (GObject *object) { EmpathyAvatarChooser *self = (EmpathyAvatarChooser *) object; tp_clear_object (&self->priv->connection); tp_clear_pointer (&self->priv->avatar, empathy_avatar_unref); tp_clear_object (&self->priv->gsettings_ui); G_OBJECT_CLASS (empathy_avatar_chooser_parent_class)->dispose (object); } static void empathy_avatar_chooser_class_init (EmpathyAvatarChooserClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GParamSpec *param_spec; object_class->dispose = avatar_chooser_dispose; object_class->get_property = avatar_chooser_get_property; object_class->set_property = avatar_chooser_set_property; /** * EmpathyAvatarChooser::changed: * @self: 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 (EmpathyAvatarChooserPrivate)); } static gboolean avatar_chooser_drag_motion_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time_, EmpathyAvatarChooser *self) { GList *p; for (p = gdk_drag_context_list_targets (context); 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 gboolean avatar_chooser_drag_drop_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, guint time_, EmpathyAvatarChooser *self) { GList *p; if (gdk_drag_context_list_targets (context) == NULL) return FALSE; for (p = gdk_drag_context_list_targets (context); 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_clear_image (EmpathyAvatarChooser *self) { GtkWidget *image; tp_clear_pointer (&self->priv->avatar, empathy_avatar_unref); image = gtk_image_new_from_icon_name (EMPATHY_IMAGE_AVATAR_DEFAULT, GTK_ICON_SIZE_DIALOG); gtk_button_set_image (GTK_BUTTON (self), image); g_signal_emit (self, signals[CHANGED], 0); } 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 void avatar_chooser_error_show (EmpathyAvatarChooser *self, const gchar *primary_text, const gchar *secondary_text) { GtkWidget *parent; GtkWidget *dialog; parent = gtk_widget_get_toplevel (GTK_WIDGET (self)); 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 EmpathyAvatar * avatar_chooser_maybe_convert_and_scale (EmpathyAvatarChooser *self, GdkPixbuf *pixbuf, EmpathyAvatar *avatar) { TpAvatarRequirements *req; 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 *best_image_data = NULL; gsize best_image_size = 0; guint count = 0; req = tp_connection_get_avatar_requirements (self->priv->connection); if (req == NULL) { DEBUG ("Avatar requirements not ready"); return 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, req->supported_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; } /* 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 (self, _("Couldn't convert image"), _("None of the accepted image formats are " "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 ((req->maximum_width > 0 && width > req->maximum_width) || (req->maximum_height > 0 && height > req->maximum_height)) { gdouble h_factor, v_factor; h_factor = (gdouble) req->maximum_width / width; v_factor = (gdouble) req->maximum_height / height; factor = max_factor = MIN (h_factor, v_factor); DEBUG ("Image dimensions (%dx%d) are too big. Max is %dx%d.", width, height, req->maximum_width, req->maximum_height); needs_conversion = TRUE; } /* If the data len is too big and no other conversion is needed, * try with a lower factor. */ if (req->maximum_bytes > 0 && avatar->len > req->maximum_bytes && !needs_conversion) { DEBUG ("Image data (%"G_GSIZE_FORMAT" bytes) is too big " "(max is %u bytes), conversion needed.", avatar->len, req->maximum_bytes); 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; gchar *converted_image_data; gsize converted_image_size; GError *error = NULL; 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 (self, _("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 the new image satisfy the req, keep it as current best */ if (req->maximum_bytes == 0 || converted_image_size <= req->maximum_bytes) { g_free (best_image_data); best_image_data = converted_image_data; best_image_size = converted_image_size; /* If this image is close enough to the optimal size, * stop searching */ if (req->maximum_bytes == 0 || req->maximum_bytes - converted_image_size <= 1024) break; } else { g_free (converted_image_data); } /* Make a binary search for the bigest factor that produce * an image data size less than max_size */ if (converted_image_size > req->maximum_bytes) max_factor = factor; if (converted_image_size < req->maximum_bytes) min_factor = factor; factor = (min_factor + max_factor)/2; if ((int) (width * factor) == new_width || (int) (height * factor) == new_height) { /* min_factor and max_factor are too close, so the new * factor will produce the same image as previous * iteration. No need to continue, we already found * the optimal size. */ break; } /* Do 10 iterations in the worst case */ } while (++count < 10); g_free (new_format_name); avatar = empathy_avatar_new ((guchar *) best_image_data, best_image_size, new_mime_type, NULL); g_free (best_image_data); g_free (new_mime_type); return avatar; } static void avatar_chooser_set_image (EmpathyAvatarChooser *self, EmpathyAvatar *avatar, GdkPixbuf *pixbuf, gboolean set_locally) { 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 (self, pixbuf, avatar); empathy_avatar_unref (avatar); if (conv == NULL) /* An error occured; don't change the avatar. */ return; avatar = conv; } tp_clear_pointer (&self->priv->avatar, empathy_avatar_unref); self->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 (self), image); g_signal_emit (self, signals[CHANGED], 0); g_object_unref (pixbuf_view); g_object_unref (pixbuf); } /* takes ownership of @data */ static void avatar_chooser_set_image_from_data (EmpathyAvatarChooser *self, gchar *data, gsize size, gboolean set_locally) { GdkPixbuf *pixbuf; EmpathyAvatar *avatar = NULL; gchar *mime_type = NULL; if (data == NULL) { avatar_chooser_clear_image (self); return; } pixbuf = empathy_pixbuf_from_data_and_mime (data, size, &mime_type); if (pixbuf == NULL) { g_free (data); data = NULL; return; } avatar = empathy_avatar_new ((guchar *) data, size, mime_type, NULL); avatar_chooser_set_image (self, avatar, pixbuf, set_locally); g_free (mime_type); g_free (data); } static void avatar_chooser_drag_data_received_cb (GtkWidget *widget, GdkDragContext *context, gint x, gint y, GtkSelectionData *selection_data, guint info, guint time_, EmpathyAvatarChooser *self) { 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 != NULL) { 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) { /* pass data to the avatar_chooser_set_image_from_data */ avatar_chooser_set_image_from_data (self, 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 *self) { gchar *filename; filename = gtk_file_chooser_get_preview_filename (file_chooser); if (filename != NULL) { 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 != NULL) { 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_set_image_from_file (EmpathyAvatarChooser *self, 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; } /* pass image_data to the avatar_chooser_set_image_from_data */ avatar_chooser_set_image_from_data (self, image_data, image_size, TRUE); } #ifdef HAVE_CHEESE static void avatar_chooser_set_avatar_from_pixbuf (EmpathyAvatarChooser *self, GdkPixbuf *pb) { gsize size; gchar *buf; EmpathyAvatar *avatar = NULL; GError *error = NULL; if (!gdk_pixbuf_save_to_buffer (pb, &buf, &size, "png", &error, NULL)) { avatar_chooser_error_show (self, _("Couldn't save pixbuf to png"), error ? error->message : NULL); g_clear_error (&error); return; } avatar = empathy_avatar_new ((guchar *) buf, size, "image/png", NULL); avatar_chooser_set_image (self, avatar, pb, TRUE); g_free (buf); } static gboolean destroy_chooser (GtkWidget *self) { gtk_widget_destroy (self); return FALSE; } static void webcam_response_cb (GtkDialog *dialog, int response, EmpathyAvatarChooser *self) { if (response == GTK_RESPONSE_ACCEPT) { GdkPixbuf *pb; CheeseAvatarChooser *cheese_chooser; cheese_chooser = CHEESE_AVATAR_CHOOSER (dialog); pb = cheese_avatar_chooser_get_picture (cheese_chooser); avatar_chooser_set_avatar_from_pixbuf (self, pb); } if (response != GTK_RESPONSE_DELETE_EVENT && response != GTK_RESPONSE_NONE) g_idle_add ((GSourceFunc) destroy_chooser, dialog); } static void choose_avatar_from_webcam (GtkWidget *widget, EmpathyAvatarChooser *self) { GtkWidget *window; window = cheese_avatar_chooser_new (); gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (empathy_get_toplevel_window (GTK_WIDGET (self)))); gtk_window_set_modal (GTK_WINDOW (window), TRUE); g_signal_connect (G_OBJECT (window), "response", G_CALLBACK (webcam_response_cb), self); gtk_widget_show (window); } #endif /* HAVE_CHEESE */ static void avatar_chooser_response_cb (GtkWidget *widget, gint response, EmpathyAvatarChooser *self) { self->priv->chooser_dialog = NULL; if (response == EMPATHY_AVATAR_CHOOSER_RESPONSE_FILE) { gchar *filename; gchar *path; filename = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (widget)); avatar_chooser_set_image_from_file (self, filename); g_free (filename); path = gtk_file_chooser_get_current_folder (GTK_FILE_CHOOSER (widget)); if (path != NULL) { g_settings_set_string (self->priv->gsettings_ui, EMPATHY_PREFS_UI_AVATAR_DIRECTORY, path); g_free (path); } } else if (response == EMPATHY_AVATAR_CHOOSER_RESPONSE_NO_IMAGE) { /* This corresponds to "No Image", not to "Cancel" */ avatar_chooser_clear_image (self); } #ifdef HAVE_CHEESE else if (response == EMPATHY_AVATAR_CHOOSER_RESPONSE_WEBCAM) { /* This corresponds to "Camera Picture" */ choose_avatar_from_webcam (widget, self); } #endif gtk_widget_destroy (widget); } static void avatar_chooser_clicked_cb (GtkWidget *button, EmpathyAvatarChooser *self) { GtkFileChooser *chooser_dialog; GtkWidget *image; gchar *saved_dir = NULL; const gchar *default_dir = DEFAULT_DIR; const gchar *pics_dir; GtkFileFilter *filter; if (self->priv->chooser_dialog != NULL) { gtk_window_present (GTK_WINDOW (self->priv->chooser_dialog)); return; } self->priv->chooser_dialog = GTK_FILE_CHOOSER ( gtk_file_chooser_dialog_new (_("Select Your Avatar Image"), empathy_get_toplevel_window (GTK_WIDGET (self)), GTK_FILE_CHOOSER_ACTION_OPEN, #ifdef HAVE_CHEESE _("Take a picture..."), EMPATHY_AVATAR_CHOOSER_RESPONSE_WEBCAM, #endif _("No Image"), EMPATHY_AVATAR_CHOOSER_RESPONSE_NO_IMAGE, GTK_STOCK_CANCEL, EMPATHY_AVATAR_CHOOSER_RESPONSE_CANCEL, GTK_STOCK_OPEN, EMPATHY_AVATAR_CHOOSER_RESPONSE_FILE, NULL)); chooser_dialog = self->priv->chooser_dialog; gtk_window_set_destroy_with_parent (GTK_WINDOW (chooser_dialog), TRUE); /* Get special dirs */ saved_dir = g_settings_get_string (self->priv->gsettings_ui, EMPATHY_PREFS_UI_AVATAR_DIRECTORY); if (saved_dir != NULL && !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 != NULL && !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 != NULL) gtk_file_chooser_set_current_folder (chooser_dialog, saved_dir); else if (pics_dir != NULL) gtk_file_chooser_set_current_folder (chooser_dialog, pics_dir); else if (default_dir != NULL) 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 != NULL) 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), self); /* 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), EMPATHY_AVATAR_CHOOSER_RESPONSE_FILE); g_signal_connect (chooser_dialog, "response", G_CALLBACK (avatar_chooser_response_cb), self); gtk_widget_show (GTK_WIDGET (chooser_dialog)); g_free (saved_dir); } static void empathy_avatar_chooser_init (EmpathyAvatarChooser *self) { self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_AVATAR_CHOOSER, EmpathyAvatarChooserPrivate); gtk_drag_dest_set (GTK_WIDGET (self), GTK_DEST_DEFAULT_ALL, drop_types, G_N_ELEMENTS (drop_types), GDK_ACTION_COPY); self->priv->gsettings_ui = g_settings_new (EMPATHY_PREFS_UI_SCHEMA); g_signal_connect (self, "drag-motion", G_CALLBACK (avatar_chooser_drag_motion_cb), self); g_signal_connect (self, "drag-drop", G_CALLBACK (avatar_chooser_drag_drop_cb), self); g_signal_connect (self, "drag-data-received", G_CALLBACK (avatar_chooser_drag_data_received_cb), self); g_signal_connect (self, "clicked", G_CALLBACK (avatar_chooser_clicked_cb), self); empathy_avatar_chooser_set (self, NULL); } static void avatar_chooser_set_image_from_avatar (EmpathyAvatarChooser *self, 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 (self, avatar, pixbuf, set_locally); } /** * empathy_avatar_chooser_new: * * Creates a new #EmpathyAvatarChooser. * * Return value: a new #EmpathyAvatarChooser */ GtkWidget * empathy_avatar_chooser_new (void) { return g_object_new (EMPATHY_TYPE_AVATAR_CHOOSER, NULL); } /** * empathy_avatar_chooser_set: * @self: an #EmpathyAvatarChooser * @avatar: a new #EmpathyAvatar * * Sets the @self to display the avatar indicated by @avatar. */ void empathy_avatar_chooser_set (EmpathyAvatarChooser *self, EmpathyAvatar *avatar) { g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (self)); if (avatar != NULL) avatar_chooser_set_image_from_avatar (self, avatar, FALSE); else avatar_chooser_clear_image (self); } /** * empathy_avatar_chooser_get_image_data: * @self: 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 *self, const gchar **data, gsize *data_size, const gchar **mime_type) { g_return_if_fail (EMPATHY_IS_AVATAR_CHOOSER (self)); if (self->priv->avatar != NULL) { if (data != NULL) *data = (gchar *) self->priv->avatar->data; if (data_size != NULL) *data_size = self->priv->avatar->len; if (mime_type != NULL) *mime_type = self->priv->avatar->format; } else { if (data != NULL) *data = NULL; if (data_size != NULL) *data_size = 0; if (mime_type != NULL) *mime_type = NULL; } } void empathy_avatar_chooser_set_account (EmpathyAvatarChooser *self, TpAccount *account) { g_return_if_fail (account != NULL); avatar_chooser_set_connection (self, tp_account_get_connection (account)); g_object_notify (G_OBJECT (self), "connection"); }