evolution-3.6.4/calendar/gui/dialogs/copy-source-dialog.c

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  1 /*
  2  * Evolution calendar - Copy source dialog
  3  *
  4  * This program is free software; you can redistribute it and/or
  5  * modify it under the terms of the GNU Lesser General Public
  6  * License as published by the Free Software Foundation; either
  7  * version 2 of the License, or (at your option) version 3.
  8  *
  9  * This program is distributed in the hope that it will be useful,
 10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 12  * Lesser General Public License for more details.
 13  *
 14  * You should have received a copy of the GNU Lesser General Public
 15  * License along with the program; if not, see <http://www.gnu.org/licenses/>
 16  *
 17  *
 18  * Authors:
 19  *		Rodrigo Moya <rodrigo@ximian.com>
 20  *
 21  * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 22  *
 23  */
 24 
 25 #ifdef HAVE_CONFIG_H
 26 #include <config.h>
 27 #endif
 28 
 29 #include <glib/gi18n.h>
 30 #include <libedataserverui/libedataserverui.h>
 31 
 32 #include "copy-source-dialog.h"
 33 #include "select-source-dialog.h"
 34 
 35 typedef struct {
 36 	GtkWindow *parent;
 37 	ESource *orig_source;
 38 	EClientSourceType obj_type;
 39 	ESource *selected_source;
 40 	ECalClient *source_client, *dest_client;
 41 } CopySourceDialogData;
 42 
 43 static void
 44 show_error (CopySourceDialogData *csdd,
 45             const gchar *msg,
 46             const GError *error)
 47 {
 48 	GtkWidget *dialog;
 49 
 50 	dialog = gtk_message_dialog_new (
 51 		csdd->parent, 0, GTK_MESSAGE_ERROR,
 52 		GTK_BUTTONS_CLOSE, error ? "%s\n%s" : "%s", msg, error ? error->message : "");
 53 	gtk_dialog_run (GTK_DIALOG (dialog));
 54 	gtk_widget_destroy (dialog);
 55 }
 56 
 57 struct ForeachTzidData
 58 {
 59 	ECalClient *source_client;
 60 	ECalClient *dest_client;
 61 };
 62 
 63 static void
 64 add_timezone_to_cal_cb (icalparameter *param,
 65                         gpointer data)
 66 {
 67 	struct ForeachTzidData *ftd = data;
 68 	icaltimezone *tz = NULL;
 69 	const gchar *tzid;
 70 
 71 	g_return_if_fail (ftd != NULL);
 72 	g_return_if_fail (ftd->source_client != NULL);
 73 	g_return_if_fail (ftd->dest_client != NULL);
 74 
 75 	tzid = icalparameter_get_tzid (param);
 76 	if (!tzid || !*tzid)
 77 		return;
 78 
 79 	if (e_cal_client_get_timezone_sync (ftd->source_client, tzid, &tz, NULL, NULL) && tz)
 80 		e_cal_client_add_timezone_sync (ftd->dest_client, tz, NULL, NULL);
 81 }
 82 
 83 static void
 84 free_copy_data (CopySourceDialogData *csdd)
 85 {
 86 	if (!csdd)
 87 		return;
 88 
 89 	if (csdd->orig_source)
 90 		g_object_unref (csdd->orig_source);
 91 	if (csdd->selected_source)
 92 		g_object_unref (csdd->selected_source);
 93 	if (csdd->source_client)
 94 		g_object_unref (csdd->source_client);
 95 	if (csdd->dest_client)
 96 		g_object_unref (csdd->dest_client);
 97 	g_free (csdd);
 98 }
 99 
100 static void
101 dest_source_opened_cb (GObject *source_object,
102                        GAsyncResult *result,
103                        gpointer user_data)
104 {
105 	ESource *source = E_SOURCE (source_object);
106 	CopySourceDialogData *csdd = user_data;
107 	EClient *client = NULL;
108 	GError *error = NULL;
109 
110 	e_client_utils_open_new_finish (source, result, &client, &error);
111 
112 	if (error != NULL) {
113 		g_warn_if_fail (client == NULL);
114 		show_error (csdd, _("Could not open destination"), error);
115 		g_error_free (error);
116 		free_copy_data (csdd);
117 		return;
118 	}
119 
120 	g_return_if_fail (E_IS_CLIENT (client));
121 
122 	csdd->dest_client = E_CAL_CLIENT (client);
123 
124 	/* check if the destination is read only */
125 	if (e_client_is_readonly (E_CLIENT (csdd->dest_client))) {
126 		show_error (csdd, _("Destination is read only"), NULL);
127 	} else {
128 		GSList *obj_list = NULL;
129 		if (e_cal_client_get_object_list_sync (csdd->source_client, "#t", &obj_list, NULL, NULL)) {
130 			GSList *l;
131 			icalcomponent *icalcomp;
132 			struct ForeachTzidData ftd;
133 
134 			ftd.source_client = csdd->source_client;
135 			ftd.dest_client = csdd->dest_client;
136 
137 			for (l = obj_list; l != NULL; l = l->next) {
138 				/* FIXME: process recurrences */
139 				/* FIXME: process errors */
140 				if (e_cal_client_get_object_sync (csdd->dest_client, icalcomponent_get_uid (l->data), NULL,
141 						      &icalcomp, NULL, NULL)) {
142 					e_cal_client_modify_object_sync (csdd->dest_client, l->data, CALOBJ_MOD_ALL, NULL, NULL);
143 					icalcomponent_free (icalcomp);
144 				} else {
145 					gchar *uid = NULL;
146 					GError *error = NULL;
147 
148 					icalcomp = l->data;
149 
150 					/* Add timezone information from source
151 					 * ECal to the destination ECal. */
152 					icalcomponent_foreach_tzid (
153 						icalcomp,
154 						add_timezone_to_cal_cb, &ftd);
155 
156 					if (e_cal_client_create_object_sync (csdd->dest_client, icalcomp, &uid, NULL, &error)) {
157 						g_free (uid);
158 					} else {
159 						if (error) {
160 							show_error (csdd, _("Cannot create object"), error);
161 							g_error_free (error);
162 						}
163 						break;
164 					}
165 				}
166 			}
167 
168 			e_cal_client_free_icalcomp_slist (obj_list);
169 		}
170 	}
171 
172 	free_copy_data (csdd);
173 }
174 
175 static void
176 orig_source_opened_cb (GObject *source_object,
177                        GAsyncResult *result,
178                        gpointer user_data)
179 {
180 	ESource *source = E_SOURCE (source_object);
181 	CopySourceDialogData *csdd = user_data;
182 	EClient *client = NULL;
183 	GError *error = NULL;
184 
185 	e_client_utils_open_new_finish (source, result, &client, &error);
186 
187 	if (error != NULL) {
188 		g_warn_if_fail (client == NULL);
189 		show_error (csdd, _("Could not open source"), error);
190 		g_error_free (error);
191 		free_copy_data (csdd);
192 		return;
193 	}
194 
195 	g_return_if_fail (E_IS_CLIENT (client));
196 
197 	csdd->source_client = E_CAL_CLIENT (client);
198 
199 	e_client_utils_open_new (
200 		csdd->selected_source, csdd->obj_type, FALSE, NULL,
201 		dest_source_opened_cb, csdd);
202 }
203 
204 static void
205 copy_source (const CopySourceDialogData *const_csdd)
206 {
207 	CopySourceDialogData *csdd;
208 
209 	if (!const_csdd->selected_source)
210 		return;
211 
212 	g_return_if_fail (const_csdd->obj_type != E_CLIENT_SOURCE_TYPE_LAST);
213 
214 	csdd = g_new0 (CopySourceDialogData, 1);
215 	csdd->parent = const_csdd->parent;
216 	csdd->orig_source = g_object_ref (const_csdd->orig_source);
217 	csdd->obj_type = const_csdd->obj_type;
218 	csdd->selected_source = g_object_ref (const_csdd->selected_source);
219 
220 	e_client_utils_open_new (
221 		csdd->orig_source, csdd->obj_type, FALSE, NULL,
222 		orig_source_opened_cb, csdd);
223 }
224 
225 /**
226  * copy_source_dialog
227  *
228  * Implements the Copy command for sources, allowing the user to select a target
229  * source to copy to.
230  */
231 void
232 copy_source_dialog (GtkWindow *parent,
233                     ESourceRegistry *registry,
234                     ESource *source,
235                     ECalClientSourceType obj_type)
236 {
237 	CopySourceDialogData csdd;
238 
239 	g_return_if_fail (E_IS_SOURCE_REGISTRY (registry));
240 	g_return_if_fail (E_IS_SOURCE (source));
241 	g_return_if_fail (obj_type == E_CAL_CLIENT_SOURCE_TYPE_EVENTS ||
242 			  obj_type == E_CAL_CLIENT_SOURCE_TYPE_TASKS ||
243 			  obj_type == E_CAL_CLIENT_SOURCE_TYPE_MEMOS);
244 
245 	csdd.parent = parent;
246 	csdd.orig_source = source;
247 	csdd.selected_source = NULL;
248 	csdd.obj_type = obj_type == E_CAL_CLIENT_SOURCE_TYPE_EVENTS ? E_CLIENT_SOURCE_TYPE_EVENTS :
249 			obj_type == E_CAL_CLIENT_SOURCE_TYPE_TASKS ? E_CLIENT_SOURCE_TYPE_TASKS :
250 			obj_type == E_CAL_CLIENT_SOURCE_TYPE_MEMOS ? E_CLIENT_SOURCE_TYPE_MEMOS :
251 			E_CLIENT_SOURCE_TYPE_LAST;
252 
253 	csdd.selected_source = select_source_dialog (
254 		parent, registry, obj_type, source);
255 	if (csdd.selected_source) {
256 		copy_source (&csdd);
257 
258 		/* free memory */
259 		g_object_unref (csdd.selected_source);
260 	}
261 }