/* copy-theme-dialog.c * Copyright (C) 2008 John Millikin <jmillikin@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * 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 program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301, USA. **/ #include "config.h" #include <limits.h> #include <string.h> #include <sys/stat.h> #include <glib.h> #include <glib/gstdio.h> #include <glib/gi18n.h> #include <gtk/gtk.h> #include <gio/gio.h> #include "copy-theme-dialog.h" static void copy_theme_dialog_class_init (CopyThemeDialogClass *klass); static void copy_theme_dialog_init (CopyThemeDialog *dlg); static void add_file_to_dialog (gpointer data, gpointer user_data); static void single_copy_complete (GObject *source_object, GAsyncResult *res, gpointer user_data); static void copy_theme_dialog_copy_next (CopyThemeDialog *dialog); static void copy_theme_dialog_cancel (CopyThemeDialog *dialog); static void copy_theme_dialog_finalize (GObject *obj); static void copy_theme_dialog_update_num_files (CopyThemeDialog *dlg); static void copy_theme_dialog_response (GtkDialog *dialog, gint response_id); static void eel_gtk_label_make_bold (GtkLabel *label); static void create_titled_label (GtkTable *table, int row, GtkWidget **title_widget, GtkWidget **label_text_widget); static GObjectClass *parent_class = NULL; enum { CANCELLED = 0, COMPLETE, SIGNAL_COUNT }; struct _CopyThemeDialogPrivate { GtkWidget *progress; GtkWidget *status; GtkWidget *current; GtkWidget *from; GtkWidget *to; GFile *theme_dir; GSList *all_files, *file; GSList *all_basenames, *basename; guint index; guint total_files; GCancellable *cancellable; }; guint signals[SIGNAL_COUNT] = {0, 0}; GType copy_theme_dialog_get_type (void) { static GType copy_theme_dialog_type = 0; if (!copy_theme_dialog_type) { static GTypeInfo copy_theme_dialog_info = { sizeof (CopyThemeDialogClass), NULL, /* GBaseInitFunc */ NULL, /* GBaseFinalizeFunc */ (GClassInitFunc) copy_theme_dialog_class_init, NULL, /* GClassFinalizeFunc */ NULL, /* data */ sizeof (CopyThemeDialog), 0, /* n_preallocs */ (GInstanceInitFunc) copy_theme_dialog_init, NULL }; copy_theme_dialog_type = g_type_register_static (GTK_TYPE_DIALOG, "CopyThemeDialog", ©_theme_dialog_info, 0); } return copy_theme_dialog_type; } static void copy_theme_dialog_class_init (CopyThemeDialogClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); g_type_class_add_private (klass, sizeof (CopyThemeDialogPrivate)); klass->cancelled = copy_theme_dialog_cancel; object_class->finalize = copy_theme_dialog_finalize; GTK_DIALOG_CLASS (klass)->response = copy_theme_dialog_response; signals[CANCELLED] = g_signal_new ("cancelled", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (CopyThemeDialogClass, cancelled), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); signals[COMPLETE] = g_signal_new ("complete", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (CopyThemeDialogClass, complete), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); parent_class = g_type_class_peek_parent (klass); } GtkWidget* copy_theme_dialog_new (GList *files) { GtkWidget *dialog; CopyThemeDialogPrivate *priv; dialog = GTK_WIDGET (g_object_new (COPY_THEME_DIALOG_TYPE, NULL)); priv = COPY_THEME_DIALOG (dialog)->priv; priv->index = 0; priv->total_files = 0; priv->all_files = NULL; priv->all_basenames = NULL; g_list_foreach (files, add_file_to_dialog, dialog); priv->file = priv->all_files; priv->basename = priv->all_basenames; return dialog; } static gboolean copy_finished (CopyThemeDialog *dialog) { return (g_cancellable_is_cancelled (dialog->priv->cancellable) || dialog->priv->file == NULL); } static void copy_theme_dialog_init (CopyThemeDialog *dlg) { GtkWidget *vbox; GtkWidget *hbox; GtkWidget *progress_vbox; GtkWidget *table; GtkWidget *label; GtkWidget *dialog_vbox; char *markup; gchar *theme_dir_path; dlg->priv = G_TYPE_INSTANCE_GET_PRIVATE (dlg, COPY_THEME_DIALOG_TYPE, CopyThemeDialogPrivate); /* Find and, if needed, create the directory for storing themes */ theme_dir_path = g_build_filename (g_get_user_data_dir (), "applications", "screensavers", NULL); dlg->priv->theme_dir = g_file_new_for_path (theme_dir_path); g_mkdir_with_parents (theme_dir_path, S_IRWXU); g_free (theme_dir_path); /* For cancelling async I/O operations */ dlg->priv->cancellable = g_cancellable_new (); /* GUI settings */ dialog_vbox = gtk_dialog_get_content_area (GTK_DIALOG (dlg)); gtk_container_set_border_width (GTK_CONTAINER (dialog_vbox), 4); gtk_box_set_spacing (GTK_BOX (dialog_vbox), 4); vbox = gtk_vbox_new (FALSE, 6); gtk_container_set_border_width (GTK_CONTAINER (vbox), 6); gtk_box_pack_start (GTK_BOX (dialog_vbox), vbox, TRUE, TRUE, 0); dlg->priv->status = gtk_label_new (""); markup = g_strdup_printf ("<big><b>%s</b></big>", _("Copying files")); gtk_label_set_markup (GTK_LABEL (dlg->priv->status), markup); g_free (markup); gtk_misc_set_alignment (GTK_MISC (dlg->priv->status), 0.0, 0.0); gtk_box_pack_start (GTK_BOX (vbox), dlg->priv->status, FALSE, FALSE, 0); hbox = gtk_hbox_new (FALSE, 0); gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0); table = gtk_table_new (2, 2, FALSE); gtk_table_set_row_spacings (GTK_TABLE (table), 4); gtk_table_set_col_spacings (GTK_TABLE (table), 4); create_titled_label (GTK_TABLE (table), 0, &label, &dlg->priv->from); gtk_label_set_text (GTK_LABEL (label), _("From:")); create_titled_label (GTK_TABLE (table), 1, &label, &dlg->priv->to); gtk_label_set_text (GTK_LABEL (label), _("To:")); gtk_box_pack_start (GTK_BOX (vbox), GTK_WIDGET (table), FALSE, FALSE, 0); progress_vbox = gtk_vbox_new (TRUE, 0); gtk_box_pack_start (GTK_BOX (vbox), progress_vbox, FALSE, FALSE, 0); dlg->priv->progress = gtk_progress_bar_new (); gtk_box_pack_start (GTK_BOX (progress_vbox), dlg->priv->progress, FALSE, FALSE, 0); dlg->priv->current = gtk_label_new (""); gtk_box_pack_start (GTK_BOX (progress_vbox), dlg->priv->current, FALSE, FALSE, 0); gtk_misc_set_alignment (GTK_MISC (dlg->priv->current), 0.0, 0.5); gtk_dialog_add_button (GTK_DIALOG (dlg), GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL); gtk_window_set_title (GTK_WINDOW (dlg), _("Copying themes")); gtk_container_set_border_width (GTK_CONTAINER (dlg), 6); gtk_widget_show_all (dialog_vbox); } static void add_file_to_dialog (gpointer data, gpointer user_data) { CopyThemeDialogPrivate *priv; GFile *file; gchar *basename = NULL, *raw_basename; priv = COPY_THEME_DIALOG (user_data)->priv; file = G_FILE (data); raw_basename = g_file_get_basename (file); if (g_str_has_suffix (raw_basename, ".desktop")) { /* FIXME: validate key file? */ basename = g_strndup (raw_basename, /* 8 = strlen (".desktop") */ strlen (raw_basename) - 8); } g_free (raw_basename); if (basename) { g_object_ref (file); priv->all_files = g_slist_append (priv->all_files, file); priv->all_basenames = g_slist_append (priv->all_basenames, basename); priv->total_files++; } else { GtkWidget *dialog; gchar *uri; dialog = gtk_message_dialog_new (GTK_WINDOW (user_data), GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, _("Invalid screensaver theme")); uri = g_file_get_uri (file); gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), _("%s does not appear to be a valid screensaver theme."), uri); g_free (uri); gtk_window_set_title (GTK_WINDOW (dialog), ""); gtk_window_set_icon_name (GTK_WINDOW (dialog), "preferences-desktop-screensaver"); gtk_dialog_run (GTK_DIALOG (dialog)); gtk_widget_destroy (dialog); } } static void single_copy_complete (GObject *source_object, GAsyncResult *res, gpointer user_data) { GError *error = NULL; gboolean should_continue = FALSE; CopyThemeDialog *dialog = COPY_THEME_DIALOG (user_data); if (g_file_copy_finish (G_FILE (source_object), res, &error)) { should_continue = TRUE; } else { /* If the file already exists, generate a new random name * and try again. **/ if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_EXISTS)) { GFile *file, *destination; gchar *basename, *full_basename; g_error_free (error); file = G_FILE (dialog->priv->file->data); basename = (gchar *) (dialog->priv->basename->data); g_return_if_fail (file != NULL); g_return_if_fail (basename != NULL); full_basename = g_strdup_printf ("%s-%u.desktop", basename, g_random_int ()); destination = g_file_get_child (dialog->priv->theme_dir, full_basename); g_free (full_basename); g_file_copy_async (file, destination, G_FILE_COPY_NONE, G_PRIORITY_DEFAULT, dialog->priv->cancellable, NULL, NULL, single_copy_complete, dialog); } else { if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) { /* User has cancelled the theme copy */ g_signal_emit (G_OBJECT (dialog), signals[CANCELLED], 0, NULL); } else { /* Some other error occurred, ignore and * try to copy remaining files **/ should_continue = TRUE; } g_error_free (error); } } /* Update informational widgets and, if needed, signal * copy completion. **/ if (should_continue) { dialog->priv->index++; dialog->priv->file = dialog->priv->file->next; dialog->priv->basename = dialog->priv->basename->next; copy_theme_dialog_update_num_files (dialog); copy_theme_dialog_copy_next (dialog); } } /* Try to copy the theme file to the user's screensaver directory. * If a file with the given name already exists, the error will be * caught later and the copy re-attempted with a random value * appended to the filename. **/ static void copy_theme_dialog_copy_next (CopyThemeDialog *dialog) { GFile *file, *destination; gchar *basename, *full_basename; if (copy_finished (dialog)) { g_signal_emit (G_OBJECT (dialog), signals[COMPLETE], 0, NULL); return; } file = G_FILE (dialog->priv->file->data); basename = (gchar *) (dialog->priv->basename->data); g_return_if_fail (file != NULL); g_return_if_fail (basename != NULL); full_basename = g_strdup_printf ("%s.desktop", basename); destination = g_file_get_child (dialog->priv->theme_dir, full_basename); g_free (full_basename); g_file_copy_async (file, destination, G_FILE_COPY_NONE, G_PRIORITY_DEFAULT, dialog->priv->cancellable, NULL, NULL, single_copy_complete, dialog); } static gboolean timeout_display_dialog (gpointer data) { if (IS_COPY_THEME_DIALOG (data)) { CopyThemeDialog *dialog = COPY_THEME_DIALOG (data); if (!copy_finished (dialog)) { gtk_widget_show (GTK_WIDGET (dialog)); g_signal_connect (dialog, "response", G_CALLBACK (copy_theme_dialog_response), dialog); } } return FALSE; } void copy_theme_dialog_begin (CopyThemeDialog *dialog) { gtk_widget_hide (GTK_WIDGET (dialog)); /* If the copy operation takes more than half a second to * complete, display the dialog. **/ g_timeout_add (500, timeout_display_dialog, dialog); copy_theme_dialog_copy_next (dialog); } static void copy_theme_dialog_cancel (CopyThemeDialog *dialog) { g_cancellable_cancel (dialog->priv->cancellable); } static void copy_theme_dialog_finalize (GObject *obj) { CopyThemeDialog *dlg = COPY_THEME_DIALOG (obj); g_object_unref (dlg->priv->theme_dir); g_slist_foreach (dlg->priv->all_files, (GFunc) (g_object_unref), NULL); g_slist_free (dlg->priv->all_files); g_slist_foreach (dlg->priv->all_basenames, (GFunc) (g_free), NULL); g_slist_free (dlg->priv->all_basenames); g_object_unref (dlg->priv->cancellable); if (parent_class->finalize) parent_class->finalize (G_OBJECT (dlg)); } static void copy_theme_dialog_update_num_files (CopyThemeDialog *dlg) { gchar *str = g_strdup_printf (_("Copying file: %u of %u"), dlg->priv->index, dlg->priv->total_files); gtk_progress_bar_set_text (GTK_PROGRESS_BAR (dlg->priv->progress), str); g_free (str); } static void copy_theme_dialog_response (GtkDialog *dialog, gint response_id) { g_cancellable_cancel (COPY_THEME_DIALOG (dialog)->priv->cancellable); } /** * eel_gtk_label_make_bold. * * Switches the font of label to a bold equivalent. * @label: The label. **/ static void eel_gtk_label_make_bold (GtkLabel *label) { PangoFontDescription *font_desc; font_desc = pango_font_description_new (); pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD); /* This will only affect the weight of the font, the rest is * from the current state of the widget, which comes from the * theme or user prefs, since the font desc only has the * weight flag turned on. */ gtk_widget_modify_font (GTK_WIDGET (label), font_desc); pango_font_description_free (font_desc); } /* from caja */ static void create_titled_label (GtkTable *table, int row, GtkWidget **title_widget, GtkWidget **label_text_widget) { *title_widget = gtk_label_new (""); eel_gtk_label_make_bold (GTK_LABEL (*title_widget)); gtk_misc_set_alignment (GTK_MISC (*title_widget), 1, 0); gtk_table_attach (table, *title_widget, 0, 1, row, row + 1, GTK_FILL, 0, 0, 0); gtk_widget_show (*title_widget); *label_text_widget = gtk_label_new (""); gtk_label_set_ellipsize (GTK_LABEL (*label_text_widget), PANGO_ELLIPSIZE_END); gtk_table_attach (table, *label_text_widget, 1, 2, row, row + 1, GTK_FILL | GTK_EXPAND, 0, 0, 0); gtk_widget_show (*label_text_widget); gtk_misc_set_alignment (GTK_MISC (*label_text_widget), 0, 0); }