static function deactivate()
{
// ensure that update modes are disabled
image_optimizer::deactivate_update_mode("thumb");
image_optimizer::deactivate_update_mode("resize");
// remove graphics rules
image_optimizer::remove_image_optimizer_rule("thumb");
image_optimizer::remove_image_optimizer_rule("resize");
}
public function save()
{
access::verify_csrf();
$form = $this->_get_admin_form();
if ($form->validate()) {
foreach (array('jpg', 'png', 'gif') as $type) {
module::set_var("image_optimizer", "path_" . $type, $form->paths->{"path_" . $type}->value);
module::set_var("image_optimizer", "optlevel_thumb_" . $type, $form->thumb->{"optlevel_thumb_" . $type}->value);
module::set_var("image_optimizer", "optlevel_resize_" . $type, $form->resize->{"optlevel_resize_" . $type}->value);
}
module::set_var("image_optimizer", "rotate_jpg", $form->rotate->rotate_jpg->value == 1);
foreach (array('thumb', 'resize') as $target) {
module::set_var("image_optimizer", "convert_" . $target . "_gif", $form->{$target}->{"convert_" . $target . "_gif"}->value);
module::set_var("image_optimizer", "convert_" . $target . "_png", $form->{$target}->{"convert_" . $target . "_png"}->value);
module::set_var("image_optimizer", "metastrip_" . $target, $form->{$target}->{"metastrip_" . $target}->value == 1);
module::set_var("image_optimizer", "progressive_" . $target, $form->{$target}->{"progressive_" . $target}->value == 1);
// deal with enable changes
$enable_old = module::get_var("image_optimizer", "enable_" . $target);
$enable_new = $form->{$target}->{"enable_" . $target}->value == 1;
if ($enable_new && !$enable_old) {
image_optimizer::add_image_optimizer_rule($target);
module::set_var("image_optimizer", "enable_" . $target, true);
} elseif (!$enable_new && $enable_old) {
image_optimizer::remove_image_optimizer_rule($target);
module::set_var("image_optimizer", "enable_" . $target, false);
}
// deal with update mode changes
$update_mode_old = module::get_var("image_optimizer", "update_mode_" . $target);
$update_mode_new = $form->{$target}->{"update_mode_" . $target}->value == 1;
if ($update_mode_new && !$update_mode_old) {
image_optimizer::activate_update_mode($target);
} elseif (!$update_mode_new && $update_mode_old) {
image_optimizer::deactivate_update_mode($target);
}
// dirty images if needed
if ($form->{$target}->{"rebuild_" . $target}->value == 1) {
image_optimizer::dirty($target);
}
}
// all done; redirect with message
message::success(t("Image optimizer settings updated successfully"));
url::redirect("admin/image_optimizer");
}
// not valid - print screen from existing form
$this->_print_screen($form);
}
static function add_image_optimizer_rule($target)
{
// to prevent duplicates, remove any existing instances first
image_optimizer::remove_image_optimizer_rule($target);
// then add the new one
$rule = ORM::factory("graphics_rule");
$rule->module_name = "image_optimizer";
$rule->target = $target;
$rule->operation = 'image_optimizer::optimize';
$rule->priority = 999999999;
// this MUST be larger than all others to be last
$rule->args = serialize($target);
// this isn't typical for other graphics rules
$rule->active = true;
$rule->save();
}