evolution-3.6.4/modules/startup-wizard/e-startup-assistant.c

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  1 /*
  2  * e-startup-assistant.c
  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 
 19 #include "e-startup-assistant.h"
 20 
 21 #include <config.h>
 22 #include <glib/gi18n-lib.h>
 23 
 24 #include <mail/e-mail-config-welcome-page.h>
 25 
 26 #include "e-mail-config-import-page.h"
 27 #include "e-mail-config-import-progress-page.h"
 28 
 29 #define E_STARTUP_ASSISTANT_GET_PRIVATE(obj) \
 30 	(G_TYPE_INSTANCE_GET_PRIVATE \
 31 	((obj), E_TYPE_STARTUP_ASSISTANT, EStartupAssistantPrivate))
 32 
 33 struct _EStartupAssistantPrivate {
 34 	EActivity *import_activity;
 35 	EMailConfigImportPage *import_page;
 36 	EMailConfigImportProgressPage *progress_page;
 37 };
 38 
 39 G_DEFINE_DYNAMIC_TYPE (
 40 	EStartupAssistant,
 41 	e_startup_assistant,
 42 	E_TYPE_MAIL_CONFIG_ASSISTANT)
 43 
 44 static void
 45 startup_assistant_import_done (GObject *source_object,
 46                                GAsyncResult *result,
 47                                gpointer user_data)
 48 {
 49 	EMailConfigImportPage *page;
 50 	EStartupAssistant *assistant;
 51 	EActivity *activity;
 52 	GError *error = NULL;
 53 
 54 	page = E_MAIL_CONFIG_IMPORT_PAGE (source_object);
 55 	assistant = E_STARTUP_ASSISTANT (user_data);
 56 	activity = assistant->priv->import_activity;
 57 
 58 	e_mail_config_import_page_import_finish (page, result, &error);
 59 
 60 	if (e_activity_handle_cancellation (activity, error)) {
 61 		g_error_free (error);
 62 
 63 	} else {
 64 		/* XXX The current EImport API does not allow importers to
 65 		 *     report errors.  Once we have a better importing API
 66 		 *     we'll have to figure out how to show import errors,
 67 		 *     but for now just emit a runtime warning. */
 68 		if (error != NULL) {
 69 			g_warning ("%s: %s", G_STRFUNC, error->message);
 70 			g_error_free (error);
 71 		}
 72 
 73 		e_activity_set_percent (activity, 100.0);
 74 		e_activity_set_state (activity, E_ACTIVITY_COMPLETED);
 75 	}
 76 
 77 	g_object_unref (assistant);
 78 }
 79 
 80 static void
 81 startup_assistant_dispose (GObject *object)
 82 {
 83 	EStartupAssistantPrivate *priv;
 84 
 85 	priv = E_STARTUP_ASSISTANT_GET_PRIVATE (object);
 86 
 87 	if (priv->import_activity != NULL) {
 88 		g_object_unref (priv->import_activity);
 89 		priv->import_activity = NULL;
 90 	}
 91 
 92 	if (priv->import_page != NULL) {
 93 		g_object_unref (priv->import_page);
 94 		priv->import_page = NULL;
 95 	}
 96 
 97 	if (priv->progress_page != NULL) {
 98 		g_object_unref (priv->progress_page);
 99 		priv->progress_page = NULL;
100 	}
101 
102 	/* Chain up to parent's dispose() method. */
103 	G_OBJECT_CLASS (e_startup_assistant_parent_class)->dispose (object);
104 }
105 
106 static void
107 startup_assistant_constructed (GObject *object)
108 {
109 	EStartupAssistant *assistant;
110 	EMailConfigPage *page;
111 	gint n_pages, ii;
112 
113 	assistant = E_STARTUP_ASSISTANT (object);
114 
115 	/* Chain up to parent's constructed() method. */
116 	G_OBJECT_CLASS (e_startup_assistant_parent_class)->constructed (object);
117 
118 	/* Note: We exclude this page if there is no application data
119 	 *       to import, but we don't know that until we create it. */
120 	page = e_mail_config_import_page_new ();
121 	if (e_mail_config_import_page_get_n_importers (
122 			E_MAIL_CONFIG_IMPORT_PAGE (page)) == 0) {
123 		g_object_unref (g_object_ref_sink (page));
124 	} else {
125 		e_mail_config_assistant_add_page (
126 			E_MAIL_CONFIG_ASSISTANT (assistant), page);
127 		assistant->priv->import_page = g_object_ref (page);
128 
129 		/* Obviously we only need an import progress page if
130 		 * there's a chance we may be importing something. */
131 		page = e_mail_config_import_progress_page_new (
132 			assistant->priv->import_activity);
133 		e_mail_config_assistant_add_page (
134 			E_MAIL_CONFIG_ASSISTANT (assistant), page);
135 	}
136 
137 	/* Additional tweaks. */
138 
139 	n_pages = gtk_assistant_get_n_pages (GTK_ASSISTANT (assistant));
140 	for (ii = 0; ii < n_pages; ii++) {
141 		GtkWidget *nth_page;
142 
143 		nth_page = gtk_assistant_get_nth_page (
144 			GTK_ASSISTANT (assistant), ii);
145 
146 		if (!E_IS_MAIL_CONFIG_WELCOME_PAGE (nth_page))
147 			continue;
148 
149 		gtk_assistant_set_page_title (
150 			GTK_ASSISTANT (assistant), nth_page, _("Welcome"));
151 
152 		e_mail_config_welcome_page_set_text (
153 			E_MAIL_CONFIG_WELCOME_PAGE (nth_page),
154 			_("Welcome to Evolution.\n\nThe next few screens will "
155 			"allow Evolution to connect to your email accounts, "
156 			"and to import files from other applications."));
157 	}
158 }
159 
160 static void
161 startup_assistant_prepare (GtkAssistant *assistant,
162                            GtkWidget *page)
163 {
164 	EStartupAssistantPrivate *priv;
165 
166 	priv = E_STARTUP_ASSISTANT_GET_PRIVATE (assistant);
167 
168 	/* Chain up to parent's prepare() method. */
169 	GTK_ASSISTANT_CLASS (e_startup_assistant_parent_class)->
170 		prepare (assistant, page);
171 
172 	if (E_IS_MAIL_CONFIG_IMPORT_PROGRESS_PAGE (page)) {
173 		EActivity *activity;
174 
175 		activity = priv->import_activity;
176 		e_activity_set_state (activity, E_ACTIVITY_RUNNING);
177 
178 		e_mail_config_import_page_import (
179 			priv->import_page, activity,
180 			startup_assistant_import_done,
181 			g_object_ref (assistant));
182 	}
183 }
184 
185 static void
186 e_startup_assistant_class_init (EStartupAssistantClass *class)
187 {
188 	GObjectClass *object_class;
189 	GtkAssistantClass *assistant_class;
190 
191 	g_type_class_add_private (class, sizeof (EStartupAssistantPrivate));
192 
193 	object_class = G_OBJECT_CLASS (class);
194 	object_class->dispose = startup_assistant_dispose;
195 	object_class->constructed = startup_assistant_constructed;
196 
197 	assistant_class = GTK_ASSISTANT_CLASS (class);
198 	assistant_class->prepare = startup_assistant_prepare;
199 }
200 
201 static void
202 e_startup_assistant_class_finalize (EStartupAssistantClass *class)
203 {
204 }
205 
206 static void
207 e_startup_assistant_init (EStartupAssistant *assistant)
208 {
209 	EActivity *activity;
210 	GCancellable *cancellable;
211 
212 	assistant->priv = E_STARTUP_ASSISTANT_GET_PRIVATE (assistant);
213 
214 	cancellable = g_cancellable_new ();
215 
216 	activity = e_activity_new ();
217 	e_activity_set_cancellable (activity, cancellable);
218 	e_activity_set_state (activity, E_ACTIVITY_WAITING);
219 	assistant->priv->import_activity = activity;
220 
221 	g_object_unref (cancellable);
222 }
223 
224 void
225 e_startup_assistant_type_register (GTypeModule *type_module)
226 {
227 	/* XXX G_DEFINE_DYNAMIC_TYPE declares a static type registration
228 	 *     function, so we have to wrap it with a public function in
229 	 *     order to register types from a separate compilation unit. */
230 	e_startup_assistant_register_type (type_module);
231 }
232 
233 GtkWidget *
234 e_startup_assistant_new (EMailSession *session)
235 {
236 	g_return_val_if_fail (E_IS_MAIL_SESSION (session), NULL);
237 
238 	return g_object_new (
239 		E_TYPE_STARTUP_ASSISTANT,
240 		"session", session, NULL);
241 }