tao-test/app/taoLti/models/classes/theme/LtiThemeDetailsProvider.php

73 lines
2.5 KiB
PHP

<?php
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2017 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
*
*/
namespace oat\taoLti\models\classes\theme;
use oat\oatbox\PhpSerializable;
use oat\oatbox\PhpSerializeStateless;
use oat\tao\model\theme\ThemeDetailsProviderInterface;
use oat\taoLti\models\classes\TaoLtiSession;
class LtiThemeDetailsProvider implements ThemeDetailsProviderInterface, PhpSerializable
{
use PhpSerializeStateless;
const LTI_CUSTOM_THEME_VARIABLE = 'custom_theme';
const LTI_PRESENTATION_TARGET = 'launch_presentation_document_target';
/**
* @inheritdoc
*/
public function getThemeId()
{
$currentSession = \common_session_SessionManager::getSession();
if ($currentSession instanceof TaoLtiSession) {
$launchData = $currentSession->getLaunchData();
if ($launchData->hasVariable(static::LTI_CUSTOM_THEME_VARIABLE)) {
return $launchData->getVariable(static::LTI_CUSTOM_THEME_VARIABLE);
}
}
return '';
}
/**
* Tells if the page has to be headless: without header and footer.
*
* @return bool|mixed
* @throws \common_exception_Error
* @throws \oat\taoLti\models\classes\LtiVariableMissingException
*/
public function isHeadless()
{
$currentSession = \common_session_SessionManager::getSession();
if ($currentSession instanceof TaoLtiSession) {
$launchData = $currentSession->getLaunchData();
$presentationTarget = $launchData->hasVariable(static::LTI_PRESENTATION_TARGET)
? $launchData->getVariable(self::LTI_PRESENTATION_TARGET)
: '';
return $presentationTarget == 'frame' || $presentationTarget == 'iframe';
}
return true;
}
}