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authorJeffrey Stedfast <fejj@ximian.com>2001-09-15 08:00:32 +0800
committerJeffrey Stedfast <fejj@src.gnome.org>2001-09-15 08:00:32 +0800
commit02add12fb652a3b01d6b6a4184276550f3c4377a (patch)
tree37c0c098fb617247dea7f2ef3817eb9ed2d320cc /mail/subscribe-dialog.c
parent9cb86dd0b0d598eba99f057bf0afff333258b27a (diff)
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Added a refcount variable so set the refcount to 1. (sd_got_store): Unref
2001-09-14 Jeffrey Stedfast <fejj@ximian.com> * subscribe-dialog.c (store_data_new): Added a refcount variable so set the refcount to 1. (sd_got_store): Unref the store-data. (store_data_async_get_store): Ref the store-data. (store_data_ref): New function. (store_data_unref): New function. (subscribe_dialog_destroy): Instead of freeing the store-data here, unref it instead. We may just have an async function running. Set the callback function to NULL so that when the (remaining) async functions finish, they become no-ops. svn path=/trunk/; revision=12847
Diffstat (limited to 'mail/subscribe-dialog.c')
-rw-r--r--mail/subscribe-dialog.c121
1 files changed, 75 insertions, 46 deletions
diff --git a/mail/subscribe-dialog.c b/mail/subscribe-dialog.c
index 98d625b56d..32cefc9b54 100644
--- a/mail/subscribe-dialog.c
+++ b/mail/subscribe-dialog.c
@@ -53,6 +53,8 @@
#include "art/empty.xpm"
#include "art/mark.xpm"
+#define d(x) x
+
/* Things to test.
* - Feature
* + How to check that it works.
@@ -1046,43 +1048,83 @@ typedef struct _StoreData StoreData;
typedef void (*StoreDataStoreFunc) (StoreData *, CamelStore *, gpointer);
struct _StoreData {
- char *uri;
-
- FolderETree *ftree;
- CamelStore *store;
-
- int request_id;
-
- GtkWidget *widget;
- StoreDataStoreFunc store_func;
- gpointer store_data;
+ int refcount;
+ char *uri;
+
+ FolderETree *ftree;
+ CamelStore *store;
+
+ int request_id;
+
+ GtkWidget *widget;
+ StoreDataStoreFunc store_func;
+ gpointer store_data;
};
static StoreData *
store_data_new (const char *uri)
{
StoreData *sd;
-
+
sd = g_new0 (StoreData, 1);
+ sd->refcount = 1;
sd->uri = g_strdup (uri);
+
return sd;
}
static void
+store_data_free (StoreData *sd)
+{
+ if (sd->request_id)
+ mail_msg_cancel (sd->request_id);
+
+ if (sd->widget)
+ gtk_object_unref (GTK_OBJECT (sd->widget));
+
+ if (sd->ftree)
+ gtk_object_unref (GTK_OBJECT (sd->ftree));
+
+ if (sd->store)
+ camel_object_unref (CAMEL_OBJECT (sd->store));
+
+ g_free (sd->uri);
+ g_free (sd);
+}
+
+static void
+store_data_ref (StoreData *sd)
+{
+ sd->refcount++;
+}
+
+static void
+store_data_unref (StoreData *sd)
+{
+ if (sd->refcount <= 1) {
+ store_data_free (sd);
+ } else {
+ sd->refcount--;
+ }
+}
+
+static void
sd_got_store (char *uri, CamelStore *store, gpointer user_data)
{
StoreData *sd = (StoreData *) user_data;
-
+
sd->store = store;
-
+
if (store) /* we can have exceptions getting the store... server is down, eg */
camel_object_ref (CAMEL_OBJECT (sd->store));
-
+
/* uh, so we might have a problem if this operation is cancelled. Unsure. */
sd->request_id = 0;
-
+
if (sd->store_func)
(sd->store_func) (sd, sd->store, sd->store_data);
+
+ store_data_unref (sd);
}
static void
@@ -1092,15 +1134,16 @@ store_data_async_get_store (StoreData *sd, StoreDataStoreFunc func, gpointer use
printf ("Already loading store, nooping\n");
return;
}
-
+
if (sd->store) {
/* um, is this the best behavior? */
func (sd, sd->store, user_data);
return;
}
-
+
sd->store_func = func;
sd->store_data = user_data;
+ store_data_ref (sd);
sd->request_id = mail_get_store (sd->uri, sd_got_store, sd);
}
@@ -1127,7 +1170,7 @@ store_data_get_widget (StoreData *sd)
GtkWidget *tree;
if (!sd->store) {
- printf ("store data can't get widget before getting store.\n");
+ d(printf ("store data can't get widget before getting store.\n"));
return NULL;
}
@@ -1189,8 +1232,8 @@ sd_subscribe_folder_foreach (int model_row, gpointer closure)
static void
store_data_selection_set_subscription (StoreData *sd, gboolean subscribe)
{
- selection_closure sc;
- ETree *tree;
+ selection_closure sc;
+ ETree *tree;
sc.sd = sd;
if (subscribe)
@@ -1223,25 +1266,6 @@ store_data_mid_request (StoreData *sd)
return (gboolean) sd->request_id;
}
-static void
-store_data_free (StoreData *sd)
-{
- if (sd->request_id)
- mail_msg_cancel (sd->request_id);
-
- if (sd->widget)
- gtk_object_unref (GTK_OBJECT (sd->widget));
-
- if (sd->ftree)
- gtk_object_unref (GTK_OBJECT (sd->ftree));
-
- if (sd->store)
- camel_object_unref ((CamelObject *) sd->store);
-
- g_free (sd->uri);
- g_free (sd);
-}
-
/* ** yaay, SubscribeDialog ******************************************************* */
#define PARENT_TYPE (gtk_object_get_type ())
@@ -1504,17 +1528,22 @@ subscribe_dialog_destroy (GtkObject *object)
{
SubscribeDialog *sc;
GList *iter;
-
+
sc = SUBSCRIBE_DIALOG (object);
-
+
for (iter = sc->priv->store_list; iter; iter = iter->next) {
- if (store_data_mid_request (iter->data))
- store_data_cancel_get_store (iter->data);
- store_data_free (iter->data);
+ StoreData *data = iter->data;
+
+ if (store_data_mid_request (data))
+ store_data_cancel_get_store (data);
+
+ data->store_func = NULL;
+
+ store_data_unref (data);
}
-
+
g_list_free (sc->priv->store_list);
-
+
gtk_object_unref (GTK_OBJECT (sc->priv->xml));
g_free (sc->priv);