115 lines
3.2 KiB
PHP
115 lines
3.2 KiB
PHP
<?php
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/*
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2007 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/**
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* Display CSS needed to render image frames.
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* @package ImageFrame
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* @subpackage UserInterface
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* @author Alan Harder <alan.harder@sun.com>
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* @version $Revision: 15513 $
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*/
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class CSSView extends GalleryView {
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/**
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* @see GalleryView::isImmediate
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*/
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function isImmediate() {
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return true;
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}
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/**
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* @see GalleryView::isAllowedInEmbedOnly
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*/
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function isAllowedInEmbedOnly() {
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return true;
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}
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/**
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* @see GalleryView::shouldSaveSession
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*/
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function shouldSaveSession() {
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return false;
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}
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/**
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* @see GalleryView::renderImmediate
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*/
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function renderImmediate($status, $error) {
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$frameList = GalleryUtilities::getRequestVariables('frames');
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if (empty($frameList)) {
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return GalleryCoreApi::error(ERROR_BAD_PARAMETER);
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}
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$frameList = explode('|', $frameList);
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if (function_exists('getallheaders')) {
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$headers = getallheaders();
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if (isset($headers['If-modified-since'])) {
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$headers['If-Modified-Since'] = $headers['If-modified-since'];
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}
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if (isset($headers['If-Modified-Since']) &&
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($when = strtotime($headers['If-Modified-Since'])) > 0) {
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/* Check date on frame.inc files to determine if we should resend the CSS */
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global $gallery;
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$platform =& $gallery->getPlatform();
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foreach ($frameList as $frameId) {
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$inc = dirname(__FILE__) . "/frames/$frameId/frame.inc";
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if ($platform->file_exists($inc) && ($stat = $platform->stat($inc)) &&
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$stat[9] > $when) {
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$new = true;
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break;
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}
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}
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if (!isset($new)) {
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header('HTTP/1.0 304 Not Modified');
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return null;
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}
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}
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}
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list ($ret, $imageframe) = GalleryCoreApi::newFactoryInstance('ImageFrameInterface_1_1');
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if ($ret) {
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return $ret;
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}
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if (!isset($imageframe)) {
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return GalleryCoreApi::error(ERROR_MISSING_OBJECT);
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}
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GalleryCoreApi::requireOnce('modules/core/classes/GalleryTemplate.class');
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$template = new GalleryTemplate(dirname(dirname(dirname(__FILE__))));
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$template->setVariable('l10Domain', 'modules_imageframe');
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$ret = $imageframe->init($template, $frameList);
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if ($ret) {
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return $ret;
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}
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header('Content-type: text/css');
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header('Last-Modified: ' . GalleryUtilities::getHttpDate());
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header('Expires: ' . GalleryUtilities::getHttpDate(time() + 2592000));
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$ret = $template->display('gallery:modules/imageframe/templates/ImageFrameStyle.tpl');
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if ($ret) {
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return $ret;
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}
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return null;
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}
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}
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?>
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