[evolution] Add itip_get_user_identities().

[Matthew Barnes <mbarnes src gnome org>]

commit 81270ea009bdca0a9527737efa7ecb27a6260bff
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Apr 26 18:22:29 2011 -0400

    Add itip_get_user_identities().
    
    Convenience function returns a NULL-terminated array of name + address
    strings based on registered mail identities.

 calendar/gui/dialogs/event-page.c |   61 ++++++++++++------------------------
 calendar/gui/dialogs/memo-page.c  |   62 ++++++++++++-------------------------
 calendar/gui/dialogs/task-page.c  |   61 ++++++++++++------------------------
 calendar/gui/itip-utils.c         |   45 ++++++++++++++++++++++++++-
 calendar/gui/itip-utils.h         |    1 +
 5 files changed, 105 insertions(+), 125 deletions(-)
---
diff --git a/calendar/gui/dialogs/event-page.c b/calendar/gui/dialogs/event-page.c
index 6b9110b..a4856b1 100644
--- a/calendar/gui/dialogs/event-page.c
+++ b/calendar/gui/dialogs/event-page.c
@@ -109,7 +109,7 @@ struct _EventPagePrivate {
 	GtkWidget *location;
 	GtkWidget *location_label;
 
-	GList *address_strings;
+	gchar **address_strings;
 	EMeetingAttendee *ia;
 	gchar *user_add;
 	ECalComponent *comp;
@@ -896,8 +896,7 @@ event_page_finalize (GObject *object)
 
 	priv = EVENT_PAGE_GET_PRIVATE (object);
 
-	g_list_foreach (priv->address_strings, (GFunc) g_free, NULL);
-	g_list_free (priv->address_strings);
+	g_strfreev (priv->address_strings);
 
 	g_ptr_array_foreach (
 		priv->deleted_attendees, (GFunc) g_object_unref, NULL);
@@ -3186,7 +3185,6 @@ event_page_select_organizer (EventPage *epage, const gchar *backend_address)
 {
 	EventPagePrivate *priv = epage->priv;
 	CompEditor *editor;
-	GList *l;
 	ECal *client;
 	EAccount *def_account;
 	gchar *def_address = NULL;
@@ -3194,6 +3192,7 @@ event_page_select_organizer (EventPage *epage, const gchar *backend_address)
 	gboolean subscribed_cal = FALSE;
 	ESource *source = NULL;
 	const gchar *user_addr = NULL;
+	gint ii;
 
 	def_account = e_get_default_account ();
 	if (def_account && def_account->enabled)
@@ -3213,12 +3212,14 @@ event_page_select_organizer (EventPage *epage, const gchar *backend_address)
 		user_addr = (backend_address && *backend_address) ? backend_address : NULL;
 
 	default_address = NULL;
-	if (user_addr)
-		for (l = priv->address_strings; l != NULL; l = l->next)
-			if (g_strrstr ((gchar *) l->data, user_addr) != NULL) {
-				default_address = (const gchar *) l->data;
+	if (user_addr) {
+		for (ii = 0; priv->address_strings[ii] != NULL; ii++) {
+			if (g_strrstr (priv->address_strings[ii], user_addr) != NULL) {
+				default_address = priv->address_strings[ii];
 				break;
 			}
+		}
+	}
 
 	if (!default_address && def_address)
 		default_address = def_address;
@@ -3252,8 +3253,8 @@ event_page_construct (EventPage *epage,
                       EMeetingStore *meeting_store)
 {
 	EventPagePrivate *priv;
-	EAccountList *account_list;
-	EIterator *iterator;
+	GtkTreeModel *model;
+	gint ii;
 
 	priv = epage->priv;
 	priv->meeting_store = g_object_ref (meeting_store);
@@ -3272,40 +3273,18 @@ event_page_construct (EventPage *epage,
 		return NULL;
 	}
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
-
-	while (e_iterator_is_valid (iterator)) {
-		EAccount *account;
+	model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->organizer));
 
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
+	priv->address_strings = itip_get_user_identities ();
+	for (ii = 0; priv->address_strings[ii] != NULL; ii++)
+		e_dialog_append_list_store_text (
+			model, 0, priv->address_strings[ii]);
 
-		if (account->enabled)
-			priv->address_strings = g_list_append (
-				priv->address_strings,
-				g_strdup_printf (
-					"%s <%s>",
-					account->id->name,
-					account->id->address));
+	gtk_combo_box_set_active (GTK_COMBO_BOX (priv->organizer), 0);
 
-		e_iterator_next (iterator);
-	}
-
-	g_object_unref (iterator);
-
-	if (priv->address_strings) {
-		GList *l;
-		GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->organizer));
-
-		for (l = priv->address_strings; l; l = l->next)
-			e_dialog_append_list_store_text (model, 0, l->data);
-
-		gtk_combo_box_set_active (GTK_COMBO_BOX (priv->organizer), 0);
-
-		g_signal_connect (gtk_bin_get_child (GTK_BIN (priv->organizer)), "changed", (GCallback) organizer_changed_cb, epage);
-	} else
-		g_warning ("No potential organizers!");
+	g_signal_connect (
+		gtk_bin_get_child (GTK_BIN (priv->organizer)), "changed",
+		G_CALLBACK (organizer_changed_cb), epage);
 
 	if (!init_widgets (epage)) {
 		g_message ("event_page_construct(): "
diff --git a/calendar/gui/dialogs/memo-page.c b/calendar/gui/dialogs/memo-page.c
index 88d755e..5469289 100644
--- a/calendar/gui/dialogs/memo-page.c
+++ b/calendar/gui/dialogs/memo-page.c
@@ -92,7 +92,7 @@ struct _MemoPagePrivate {
 
 	GtkWidget *source_selector;
 
-	GList *address_strings;
+	gchar **address_strings;
 
 	ENameSelector *name_selector;
 };
@@ -187,8 +187,7 @@ memo_page_dispose (GObject *object)
 
 	priv = MEMO_PAGE (object)->priv;
 
-	g_list_foreach (priv->address_strings, (GFunc) g_free, NULL);
-	g_list_free (priv->address_strings);
+	g_strfreev (priv->address_strings);
 
 	/* Chain up to parent's dispose() method. */
 	G_OBJECT_CLASS (memo_page_parent_class)->dispose (object);
@@ -1096,7 +1095,6 @@ memo_page_select_organizer (MemoPage *mpage, const gchar *backend_address)
 	MemoPagePrivate *priv;
 	CompEditor *editor;
 	CompEditorFlags flags;
-	GList *l;
 	ECal *client;
 	EAccount *def_account;
 	gchar *def_address = NULL;
@@ -1104,6 +1102,7 @@ memo_page_select_organizer (MemoPage *mpage, const gchar *backend_address)
 	gboolean subscribed_cal = FALSE;
 	ESource *source = NULL;
 	const gchar *user_addr = NULL;
+	gint ii;
 
 	def_account = e_get_default_account ();
 	if (def_account && def_account->enabled)
@@ -1125,12 +1124,14 @@ memo_page_select_organizer (MemoPage *mpage, const gchar *backend_address)
 		user_addr = (backend_address && *backend_address) ? backend_address : NULL;
 
 	default_address = NULL;
-	if (user_addr)
-		for (l = priv->address_strings; l != NULL; l = l->next)
-			if (g_strrstr ((gchar *) l->data, user_addr) != NULL) {
-				default_address = (const gchar *) l->data;
+	if (user_addr) {
+		for (ii = 0; priv->address_strings[ii] != NULL; ii++) {
+			if (g_strrstr (priv->address_strings[ii], user_addr) != NULL) {
+				default_address = priv->address_strings[ii];
 				break;
 			}
+		}
+	}
 
 	if (!default_address && def_account)
 		default_address = def_address;
@@ -1158,10 +1159,12 @@ memo_page_select_organizer (MemoPage *mpage, const gchar *backend_address)
 MemoPage *
 memo_page_construct (MemoPage *mpage)
 {
-	MemoPagePrivate *priv = mpage->priv;
+	MemoPagePrivate *priv;
 	CompEditor *editor;
 	CompEditorFlags flags;
 
+	priv = mpage->priv;
+
 	editor = comp_editor_page_get_editor (COMP_EDITOR_PAGE (mpage));
 	flags = comp_editor_get_flags (editor);
 
@@ -1175,41 +1178,16 @@ memo_page_construct (MemoPage *mpage)
 	}
 
 	if (flags & COMP_EDITOR_IS_SHARED) {
-		EAccountList *account_list;
-		EIterator *iterator;
-
-		account_list = e_get_account_list ();
-		iterator = e_list_get_iterator (E_LIST (account_list));
-
-		while (e_iterator_is_valid (iterator)) {
-			EAccount *account;
-
-			/* XXX EIterator misuses const. */
-			account = (EAccount *) e_iterator_get (iterator);
-
-			if (account->enabled)
-				priv->address_strings = g_list_append (
-					priv->address_strings,
-					g_strdup_printf (
-						"%s <%s>",
-						account->id->name,
-						account->id->address));
-
-			e_iterator_next (iterator);
-		}
-
-		g_object_unref (iterator);
-
-		if (priv->address_strings) {
-			GList *l;
-			GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->org_combo));
+		GtkTreeModel *model;
+		gint ii;
 
-			for (l = priv->address_strings; l; l = l->next)
-				e_dialog_append_list_store_text (model, 0, l->data);
+		model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->org_combo));
+		priv->address_strings = itip_get_user_identities ();
+		for (ii = 0; priv->address_strings[ii] != NULL; ii++)
+			e_dialog_append_list_store_text (
+				model, 0, priv->address_strings[ii]);
 
-			gtk_combo_box_set_active (GTK_COMBO_BOX (priv->org_combo), 0);
-		} else
-			g_warning ("No potential organizers!");
+		gtk_combo_box_set_active (GTK_COMBO_BOX (priv->org_combo), 0);
 
 		gtk_widget_show (priv->org_label);
 		gtk_widget_show (priv->org_combo);
diff --git a/calendar/gui/dialogs/task-page.c b/calendar/gui/dialogs/task-page.c
index 499e9e1..1120ccf 100644
--- a/calendar/gui/dialogs/task-page.c
+++ b/calendar/gui/dialogs/task-page.c
@@ -65,7 +65,7 @@ struct _TaskPagePrivate {
 	/* Widgets from the UI file */
 	GtkWidget *main;
 
-	GList *address_strings;
+	gchar **address_strings;
 	EMeetingAttendee *ia;
 	gchar *user_add;
 	ECalComponent *comp;
@@ -425,8 +425,7 @@ task_page_finalize (GObject *object)
 
 	priv = TASK_PAGE_GET_PRIVATE (object);
 
-	g_list_foreach (priv->address_strings, (GFunc) g_free, NULL);
-	g_list_free (priv->address_strings);
+	g_strfreev (priv->address_strings);
 
 	g_ptr_array_foreach (
 		priv->deleted_attendees, (GFunc) g_object_unref, NULL);
@@ -2037,7 +2036,6 @@ task_page_select_organizer (TaskPage *tpage, const gchar *backend_address)
 {
 	TaskPagePrivate *priv = tpage->priv;
 	CompEditor *editor;
-	GList *l;
 	EAccount *def_account;
 	gchar *def_address = NULL;
 	const gchar *default_address;
@@ -2045,6 +2043,7 @@ task_page_select_organizer (TaskPage *tpage, const gchar *backend_address)
 	ESource *source = NULL;
 	ECal *client;
 	const gchar *user_addr = NULL;
+	gint ii;
 
 	editor = comp_editor_page_get_editor (COMP_EDITOR_PAGE (tpage));
 	client = comp_editor_get_client (editor);
@@ -2064,12 +2063,14 @@ task_page_select_organizer (TaskPage *tpage, const gchar *backend_address)
 		user_addr = (backend_address && *backend_address) ? backend_address : NULL;
 
 	default_address = NULL;
-	if (user_addr)
-		for (l = priv->address_strings; l != NULL; l = l->next)
-			if (g_strrstr ((gchar *) l->data, user_addr) != NULL) {
-				default_address = (const gchar *) l->data;
+	if (user_addr) {
+		for (ii = 0; priv->address_strings[ii] != NULL; ii++) {
+			if (g_strrstr (priv->address_strings[ii], user_addr) != NULL) {
+				default_address = priv->address_strings[ii];
 				break;
 			}
+		}
+	}
 
 	if (!default_address && def_address)
 		default_address = def_address;
@@ -2104,8 +2105,8 @@ task_page_construct (TaskPage *tpage,
                      ECal *client)
 {
 	TaskPagePrivate *priv;
-	EAccountList *account_list;
-	EIterator *iterator;
+	GtkTreeModel *model;
+	gint ii;
 
 	priv = tpage->priv;
 	priv->meeting_store = g_object_ref (meeting_store);
@@ -2126,40 +2127,18 @@ task_page_construct (TaskPage *tpage,
 		return NULL;
 	}
 
-	account_list = e_get_account_list ();
-	iterator = e_list_get_iterator (E_LIST (account_list));
-
-	while (e_iterator_is_valid (iterator)) {
-		EAccount *account;
-
-		/* XXX EIterator misuses const. */
-		account = (EAccount *) e_iterator_get (iterator);
-
-		if (account->enabled)
-			priv->address_strings = g_list_append (
-				priv->address_strings,
-				g_strdup_printf (
-					"%s <%s>",
-					account->id->name,
-					account->id->address));
-
-		e_iterator_next (iterator);
-	}
-
-	g_object_unref (iterator);
-
-	if (priv->address_strings) {
-		GList *l;
-		GtkTreeModel *model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->organizer));
+	model = gtk_combo_box_get_model (GTK_COMBO_BOX (priv->organizer));
 
-		for (l = priv->address_strings; l; l = l->next)
-			e_dialog_append_list_store_text (model, 0, l->data);
+	priv->address_strings = itip_get_user_identities ();
+	for (ii = 0; priv->address_strings[ii] != NULL; ii++)
+		e_dialog_append_list_store_text (
+			model, 0, priv->address_strings[ii]);
 
-		gtk_combo_box_set_active (GTK_COMBO_BOX (priv->organizer), 0);
+	gtk_combo_box_set_active (GTK_COMBO_BOX (priv->organizer), 0);
 
-		g_signal_connect (gtk_bin_get_child (GTK_BIN (priv->organizer)), "changed", (GCallback) organizer_changed_cb, tpage);
-	} else
-		g_warning ("No potential organizers!");
+	g_signal_connect (
+		gtk_bin_get_child (GTK_BIN (priv->organizer)), "changed",
+		G_CALLBACK (organizer_changed_cb), tpage);
 
 	if (!init_widgets (tpage)) {
 		g_message ("task_page_construct(): "
diff --git a/calendar/gui/itip-utils.c b/calendar/gui/itip-utils.c
index d6b7893..4ab53de 100644
--- a/calendar/gui/itip-utils.c
+++ b/calendar/gui/itip-utils.c
@@ -62,6 +62,48 @@ static icalproperty_method itip_methods_enum[] = {
 };
 
 /**
+ * itip_get_user_identities:
+ *
+ * Returns a %NULL-terminated array of name + address strings based on
+ * registered mail identities.  Free the returned array with g_strfreev().
+ *
+ * Returns: an %NULL-terminated array of mail identity strings
+ **/
+gchar **
+itip_get_user_identities (void)
+{
+	EAccountList *account_list;
+	EIterator *iterator;
+	gchar **identities;
+	gint length, ii = 0;
+
+	account_list = e_get_account_list ();
+	length = e_list_length (E_LIST (account_list));
+	iterator = e_list_get_iterator (E_LIST (account_list));
+
+	identities = g_new0 (gchar *, length + 1);
+
+	while (e_iterator_is_valid (iterator)) {
+		EAccount *account;
+
+		/* XXX EIterator misuses const. */
+		account = (EAccount *) e_iterator_get (iterator);
+
+		if (account->enabled)
+			identities[ii++] = g_strdup_printf (
+				"%s <%s>",
+				account->id->name,
+				account->id->address);
+
+		e_iterator_next (iterator);
+	}
+
+	g_object_unref (iterator);
+
+	return identities;
+}
+
+/**
  * itip_address_is_user:
  * @address: an email address
  *
@@ -79,7 +121,8 @@ itip_address_is_user (const gchar *address)
 
 	account_list = e_get_account_list ();
 
-	account = e_account_list_find (
+	/* XXX EAccountList misuses const. */
+	account = (EAccount *) e_account_list_find (
 		account_list, E_ACCOUNT_FIND_ID_ADDRESS, address);
 
 	return (account != NULL);
diff --git a/calendar/gui/itip-utils.h b/calendar/gui/itip-utils.h
index bf9f541..720540e 100644
--- a/calendar/gui/itip-utils.h
+++ b/calendar/gui/itip-utils.h
@@ -50,6 +50,7 @@ struct CalMimeAttach {
 	guint length;
 };
 
+gchar **	itip_get_user_identities	(void);
 gboolean	itip_address_is_user		(const gchar *address);
 gboolean	itip_organizer_is_user		(ECalComponent *comp,
 						 ECal *client);