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<!DOCTYPE html>
<html>
<?php

/**
 * Matomo - free/libre analytics platform
 *
 * @link    https://matomo.org
 * @license https://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 */
namespace Piwik\Plugins\Resolution\Columns;

use Piwik\Plugins\Resolution\Resolution as ResolutionPlugin;
use Piwik\Plugin\Dimension\VisitDimension;
use Piwik\Tracker\Action;
use Piwik\Tracker\Request;
use Piwik\Tracker\Visitor;
class Resolution extends VisitDimension
{
    protected $columnName = 'config_resolution';
    protected $columnType = 'VARCHAR(18) NULL';
    protected $acceptValues = '1280x1024, 800x600, etc.';
    protected $segmentName = 'resolution';
    protected $nameSingular = 'Resolution_ColumnResolution';
    protected $namePlural = 'Resolution_Resolutions';
    protected $type = self::TYPE_TEXT;
    /**
     * @param Action|null $action
     * @return mixed
     */
    public function onNewVisit(Request $request, Visitor $visitor, $action)
    {
        // in privacy compliance mode, we can't detect screen resolution
        if (ResolutionPlugin::isScreenResolutionDetectionDisabledByCompliancePolicy($request->getIdSiteIfExists())) {
            return Request::UNKNOWN_RESOLUTION;
        }
        $resolution = $request->getParam('res');
        if (!empty($resolution)) {
            return substr($resolution, 0, 9);
        }
        return $resolution;
    }
    /**
     * @param Action|null $action
     * @return mixed
     */
    public function onExistingVisit(Request $request, Visitor $visitor, $action)
    {
        // In case the value was initially unknown, update it from a subsequent action
        if ($visitor->getVisitorColumn($this->columnName) === Request::UNKNOWN_RESOLUTION) {
            return $this->onNewVisit($request, $visitor, $action);
        } else {
            return \false;
        }
    }
}
