diff options
Diffstat (limited to 'widgets/misc/e-account-combo-box.c')
| -rw-r--r-- | widgets/misc/e-account-combo-box.c | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/widgets/misc/e-account-combo-box.c b/widgets/misc/e-account-combo-box.c new file mode 100644 index 0000000000..064ed2bd10 --- /dev/null +++ b/widgets/misc/e-account-combo-box.c @@ -0,0 +1,413 @@ +#include "e-account-combo-box.h" + +#include <string.h> +#include <camel/camel-store.h> + +#define E_ACCOUNT_COMBO_BOX_GET_PRIVATE(obj) \ + (G_TYPE_INSTANCE_GET_PRIVATE \ + ((obj), E_TYPE_ACCOUNT_COMBO_BOX, EAccountComboBoxPrivate)) + +enum { + COLUMN_STRING, + COLUMN_ACCOUNT +}; + +struct _EAccountComboBoxPrivate { + EAccountList *account_list; +}; + +static gpointer parent_class; +static CamelSession *camel_session; + +static gboolean +account_combo_box_has_dupes (GList *list, + const gchar *address) +{ + GList *iter; + guint count = 0; + + /* Look for duplicates of the given email address. */ + for (iter = list; iter != NULL; iter = iter->next) { + EAccount *account = iter->data; + + if (strcmp (account->id->address, address) == 0) + count++; + } + + return (count > 1); +} + +static gboolean +account_combo_box_test_account (EAccount *account) +{ + CamelStore *store; + CamelException ex; + const gchar *url; + gboolean writable = FALSE; + + /* Account must be enabled. */ + if (!account->enabled) + return FALSE; + + /* Account must have a non-empty email address. */ + if (account->id->address == NULL || *account->id->address == '\0') + return FALSE; + + /* XXX Not sure I understand this part. */ + if (account->parent_uid == NULL) + return TRUE; + + /* Account must be writable. */ + camel_exception_init (&ex); + url = e_account_get_string (account, E_ACCOUNT_SOURCE_URL); + store = CAMEL_STORE (camel_session_get_service ( + camel_session, url, CAMEL_PROVIDER_STORE, &ex)); + if (store != NULL) { + writable = (store->mode & CAMEL_STORE_WRITE); + camel_object_unref (store); + } + camel_exception_clear (&ex); + + return writable; +} + +static void +account_combo_box_refresh_cb (EAccountList *account_list, + EAccount *unused, + EAccountComboBox *combo_box) +{ + GtkListStore *store; + GtkTreeModel *model; + EIterator *account_iter; + EAccount *account; + GHashTable *index; + GList *list = NULL; + GList *iter; + + store = gtk_list_store_new (2, G_TYPE_STRING, E_TYPE_ACCOUNT); + model = GTK_TREE_MODEL (store); + + /* Embed a reverse-lookup index into the list store. */ + index = g_hash_table_new_full ( + g_direct_hash, g_direct_equal, + (GDestroyNotify) g_object_unref, + (GDestroyNotify) gtk_tree_row_reference_free); + g_object_set_data_full ( + G_OBJECT (combo_box), "index", index, + (GDestroyNotify) g_hash_table_destroy); + + if (account_list == NULL) + goto skip; + + /* Build a list of EAccounts to display. */ + account_iter = e_list_get_iterator (E_LIST (account_list)); + while (e_iterator_is_valid (account_iter)) { + EAccount *account; + + /* XXX EIterator misuses const. */ + account = (EAccount *) e_iterator_get (account_iter); + if (account_combo_box_test_account (account)) + list = g_list_prepend (list, account); + e_iterator_next (account_iter); + } + g_object_unref (account_iter); + + list = g_list_reverse (list); + + /* Populate the list store and index. */ + for (iter = list; iter != NULL; iter = iter->next) { + GtkTreeRowReference *reference; + GtkTreeIter tree_iter; + GtkTreePath *path; + gchar *string; + + account = iter->data; + + /* Show the account name for duplicate email addresses. */ + if (account_combo_box_has_dupes (list, account->id->address)) + string = g_strdup_printf ( + "%s <%s> (%s)", + account->id->name, + account->id->address, + account->name); + else + string = g_strdup_printf ( + "%s <%s>", + account->id->name, + account->id->address); + + gtk_list_store_append (store, &tree_iter); + gtk_list_store_set ( + store, &tree_iter, + COLUMN_STRING, string, + COLUMN_ACCOUNT, account, -1); + + path = gtk_tree_model_get_path (model, &tree_iter); + reference = gtk_tree_row_reference_new (model, path); + g_hash_table_insert (index, account, reference); + gtk_tree_path_free (path); + + g_free (string); + } + + g_list_free (list); + +skip: + /* Restore the previously selected account. */ + account = e_account_combo_box_get_active (combo_box); + gtk_combo_box_set_model (GTK_COMBO_BOX (combo_box), model); + e_account_combo_box_set_active (combo_box, account); +} + +static GObject * +account_combo_box_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_properties) +{ + GObject *object; + GtkCellRenderer *renderer; + + /* Chain up to parent's constructor() method. */ + object = G_OBJECT_CLASS (parent_class)->constructor ( + type, n_construct_properties, construct_properties); + + renderer = gtk_cell_renderer_text_new (); + + gtk_cell_layout_pack_start ( + GTK_CELL_LAYOUT (object), renderer, TRUE); + gtk_cell_layout_add_attribute ( + GTK_CELL_LAYOUT (object), renderer, "text", COLUMN_STRING); + + return object; +} + +static void +account_combo_box_dispose (GObject *object) +{ + EAccountComboBoxPrivate *priv; + + priv = E_ACCOUNT_COMBO_BOX_GET_PRIVATE (object); + + if (priv->account_list != NULL) { + g_signal_handlers_disconnect_by_func ( + priv->account_list, + account_combo_box_refresh_cb, object); + g_object_unref (priv->account_list); + priv->account_list = NULL; + } + + /* Chain up to parent's dispose() method. */ + G_OBJECT_CLASS (parent_class)->dispose (object); +} + +static void +account_combo_box_class_init (EAccountComboBoxClass *class) +{ + GObjectClass *object_class; + + parent_class = g_type_class_peek_parent (class); + g_type_class_add_private (class, sizeof (EAccountComboBoxPrivate)); + + object_class = G_OBJECT_CLASS (class); + object_class->constructor = account_combo_box_constructor; + object_class->dispose = account_combo_box_dispose; +} + +static void +account_combo_box_init (EAccountComboBox *combo_box) +{ + combo_box->priv = E_ACCOUNT_COMBO_BOX_GET_PRIVATE (combo_box); +} + +GType +e_account_combo_box_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) { + static const GTypeInfo type_info = { + sizeof (EAccountComboBoxClass), + (GBaseInitFunc) NULL, + (GBaseFinalizeFunc) NULL, + (GClassInitFunc) account_combo_box_class_init, + (GClassFinalizeFunc) NULL, + NULL, /* class_data */ + sizeof (EAccountComboBox), + 0, /* n_preallocs */ + (GInstanceInitFunc) account_combo_box_init, + NULL /* value_table */ + }; + + type = g_type_register_static ( + GTK_TYPE_COMBO_BOX, "EAccountComboBox", &type_info, 0); + } + + return type; +} + +GtkWidget * +e_account_combo_box_new (void) +{ + return g_object_new (E_TYPE_ACCOUNT_COMBO_BOX, NULL); +} + +void +e_account_combo_box_set_session (CamelSession *session) +{ + /* XXX Really gross hack. + * + * We need a CamelSession to test whether a given EAccount is + * writable. The global CamelSession object is defined in the + * mailer, but we're too far down the stack to access it. So + * we have to rely on someone passing us a reference to it. + * + * A much cleaner solution would be to store the writeability + * of an account directly into the EAccount, but this would likely + * require breaking ABI and all the fun that goes along with that. + */ + + camel_session = session; +} + +void +e_account_combo_box_set_account_list (EAccountComboBox *combo_box, + EAccountList *account_list) +{ + EAccountComboBoxPrivate *priv; + + g_return_if_fail (E_IS_ACCOUNT_COMBO_BOX (combo_box)); + + if (account_list != NULL) + g_return_if_fail (E_IS_ACCOUNT_LIST (account_list)); + + priv = E_ACCOUNT_COMBO_BOX_GET_PRIVATE (combo_box); + + if (priv->account_list != NULL) { + g_signal_handlers_disconnect_by_func ( + priv->account_list, + account_combo_box_refresh_cb, combo_box); + g_object_unref (priv->account_list); + priv->account_list = NULL; + } + + if (account_list != NULL) { + priv->account_list = g_object_ref (account_list); + + /* Listen for changes to the account list. */ + g_signal_connect ( + priv->account_list, "account-added", + G_CALLBACK (account_combo_box_refresh_cb), combo_box); + g_signal_connect ( + priv->account_list, "account-changed", + G_CALLBACK (account_combo_box_refresh_cb), combo_box); + g_signal_connect ( + priv->account_list, "account-removed", + G_CALLBACK (account_combo_box_refresh_cb), combo_box); + } + + account_combo_box_refresh_cb (account_list, NULL, combo_box); +} + +EAccount * +e_account_combo_box_get_active (EAccountComboBox *combo_box) +{ + EAccount *account; + GtkTreeModel *model; + GtkTreeIter iter; + gboolean iter_set; + + g_return_val_if_fail (E_IS_ACCOUNT_COMBO_BOX (combo_box), NULL); + + iter_set = gtk_combo_box_get_active_iter ( + GTK_COMBO_BOX (combo_box), &iter); + if (!iter_set) + return NULL; + + model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)); + gtk_tree_model_get (model, &iter, COLUMN_ACCOUNT, &account, -1); + + return account; +} + +gboolean +e_account_combo_box_set_active (EAccountComboBox *combo_box, + EAccount *account) +{ + GHashTable *index; + EAccountList *account_list; + GtkTreeRowReference *reference; + GtkTreeModel *model; + GtkTreePath *path; + GtkTreeIter iter; + gboolean iter_set; + + g_return_val_if_fail (E_IS_ACCOUNT_COMBO_BOX (combo_box), FALSE); + + if (account != NULL) + g_return_val_if_fail (E_IS_ACCOUNT (account), FALSE); + + account_list = combo_box->priv->account_list; + g_return_val_if_fail (account_list != NULL, FALSE); + + /* Failure here indicates a programming error. */ + index = g_object_get_data (G_OBJECT (combo_box), "index"); + g_assert (index != NULL); + + /* NULL means select the default account. */ + /* XXX EAccountList misuses const. */ + if (account == NULL) + account = (EAccount *) + e_account_list_get_default (account_list); + + /* Lookup the tree row reference for the account. */ + reference = g_hash_table_lookup (index, account); + if (reference == NULL) + return FALSE; + + /* Convert the reference to a tree iterator. */ + path = gtk_tree_row_reference_get_path (reference); + model = gtk_combo_box_get_model (GTK_COMBO_BOX (combo_box)); + iter_set = gtk_tree_model_get_iter (model, &iter, path); + gtk_tree_path_free (path); + + if (!iter_set) + return FALSE; + + /* Activate the corresponding combo box item. */ + gtk_combo_box_set_active_iter (GTK_COMBO_BOX (combo_box), &iter); + + return TRUE; +} + +const gchar * +e_account_combo_box_get_active_name (EAccountComboBox *combo_box) +{ + EAccount *account; + + g_return_val_if_fail (E_IS_ACCOUNT_COMBO_BOX (combo_box), NULL); + + account = e_account_combo_box_get_active (combo_box); + return (account != NULL) ? account->name : NULL; +} + +gboolean +e_account_combo_box_set_active_name (EAccountComboBox *combo_box, + const gchar *account_name) +{ + EAccountList *account_list; + EAccount *account; + + g_return_val_if_fail (E_IS_ACCOUNT_COMBO_BOX (combo_box), FALSE); + + account_list = combo_box->priv->account_list; + g_return_val_if_fail (account_list != NULL, FALSE); + + /* XXX EAccountList misuses const. */ + account = (EAccount *) e_account_list_find ( + account_list, E_ACCOUNT_FIND_NAME, account_name); + + if (account == NULL) + return FALSE; + + return e_account_combo_box_set_active (combo_box, account); +} |