openpgp: Fix invalid iter in key selection dialog

On empty pgp keyring the key selection dialog would display a label "No Keys available"
which subsequently while selecting different accounts would disappear.

Co-authored-by: Gnoxter <gnoxter+github@linuxlounge.net>
This commit is contained in:
fiaxh 2018-04-17 20:56:38 +02:00
parent c656c7e9c2
commit 6f27c3e58f

View file

@ -35,12 +35,16 @@ private class AccountSettingsWidget : Stack, Plugins.AccountSettingsWidget {
}
public void set_account(Account account) {
set_account_.begin(account);
}
private async void set_account_(Account account) {
this.current_account = account;
if (keys == null) {
fetch_keys();
} else {
activate_current_account();
yield fetch_keys();
populate_list_store();
}
activate_current_account();
}
private void on_button_clicked() {
@ -52,6 +56,14 @@ private class AccountSettingsWidget : Stack, Plugins.AccountSettingsWidget {
private void activate_current_account() {
combobox.changed.disconnect(key_changed);
if (keys == null) {
label.set_markup(build_markup_string(_("Key publishing disabled"), _("Error in GnuPG")));
return;
}
if (keys.size == 0) {
label.set_markup(build_markup_string(_("Key publishing disabled"), _("No keys available. Generate one!")));
return;
}
string? account_key = plugin.db.get_account_key(current_account);
int activate_index = 0;
@ -71,11 +83,11 @@ private class AccountSettingsWidget : Stack, Plugins.AccountSettingsWidget {
}
private void populate_list_store() {
if (keys.size == 0) {
label.set_markup(build_markup_string(_("Key publishing disabled"), _("No keys available. Generate one!")));
if (keys == null || keys.size == 0) {
return;
}
list_store.clear();
TreeIter iter;
list_store.append(out iter);
list_store.set(iter, 0, build_markup_string(_("Key publishing disabled"), _("Select key") + "<span font_family='monospace' font='8'> \n </span>"), 1, "");
@ -87,31 +99,21 @@ private class AccountSettingsWidget : Stack, Plugins.AccountSettingsWidget {
set_label_active(iter, i + 1);
}
}
activate_current_account();
button.sensitive = true;
}
private void fetch_keys() {
TreeIter iter;
list_store.clear();
list_store.append(out iter);
private async void fetch_keys() {
label.set_markup(build_markup_string(_("Loading…"), _("Querying GnuPG")));
SourceFunc callback = fetch_keys.callback;
new Thread<void*> (null, () => { // Querying GnuPG might take some time
try {
keys = GPGHelper.get_keylist(null, true);
Idle.add(() => {
list_store.clear();
populate_list_store();
return false;
});
} catch (Error e) {
Idle.add(() => {
label.set_markup(build_markup_string(_("Key publishing disabled"), _("Error in GnuPG")));
return false;
});
}
} catch (Error e) { }
Idle.add((owned)callback);
return null;
});
yield;
}
private void set_label_active(TreeIter iter, int i = -1) {