includes/page/ImagePage.php

   1 <?php
   2 /**
   3  * Special handling for file description pages.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  */
  22
  23 /**
  24  * Class for viewing MediaWiki file description pages
  25  *
  26  * @ingroup Media
  27  */
  28 class ImagePage extends Article {
  29         /** @var File */
  30         private $displayImg;
  31
  32         /** @var FileRepo */
  33         private $repo;
  34
  35         /** @var bool */
  36         private $fileLoaded;
  37
  38         /** @var bool */
  39         protected $mExtraDescription = false;
  40
  41         /**
  42          * @var WikiFilePage
  43          */
  44         protected $mPage;
  45
  46         /**
  47          * @param Title $title
  48          * @return WikiFilePage
  49          */
  50         protected function newPage( Title $title ) {
  51                 // Overload mPage with a file-specific page
  52                 return new WikiFilePage( $title );
  53         }
  54
  55         /**
  56          * @param File $file
  57          * @return void
  58          */
  59         public function setFile( $file ) {
  60                 $this->mPage->setFile( $file );
  61                 $this->displayImg = $file;
  62                 $this->fileLoaded = true;
  63         }
  64
  65         protected function loadFile() {
  66                 if ( $this->fileLoaded ) {
  67                         return;
  68                 }
  69                 $this->fileLoaded = true;
  70
  71                 $this->displayImg = $img = false;
  72                 Hooks::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg ] );
  73                 if ( !$img ) { // not set by hook?
  74                         $img = wfFindFile( $this->getTitle() );
  75                         if ( !$img ) {
  76                                 $img = wfLocalFile( $this->getTitle() );
  77                         }
  78                 }
  79                 $this->mPage->setFile( $img );
  80                 if ( !$this->displayImg ) { // not set by hook?
  81                         $this->displayImg = $img;
  82                 }
  83                 $this->repo = $img->getRepo();
  84         }
  85
  86         /**
  87          * Handler for action=render
  88          * Include body text only; none of the image extras
  89          */
  90         public function render() {
  91                 $this->getContext()->getOutput()->setArticleBodyOnly( true );
  92                 parent::view();
  93         }
  94
  95         public function view() {
  96                 global $wgShowEXIF;
  97
  98                 $out = $this->getContext()->getOutput();
  99                 $request = $this->getContext()->getRequest();
 100                 $diff = $request->getVal( 'diff' );
 101                 $diffOnly = $request->getBool(
 102                         'diffonly',
 103                         $this->getContext()->getUser()->getOption( 'diffonly' )
 104                 );
 105
 106                 if ( $this->getTitle()->getNamespace() != NS_FILE || ( $diff !== null && $diffOnly ) ) {
 107                         parent::view();
 108                         return;
 109                 }
 110
 111                 $this->loadFile();
 112
 113                 if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) {
 114                         if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || $diff !== null ) {
 115                                 // mTitle is the same as the redirect target so ask Article
 116                                 // to perform the redirect for us.
 117                                 $request->setVal( 'diffonly', 'true' );
 118                                 parent::view();
 119                                 return;
 120                         } else {
 121                                 // mTitle is not the same as the redirect target so it is
 122                                 // probably the redirect page itself. Fake the redirect symbol
 123                                 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 124                                 $out->addHTML( $this->viewRedirect(
 125                                         Title::makeTitle( NS_FILE, $this->mPage->getFile()->getName() ),
 126                                         /* $appendSubtitle */ true,
 127                                         /* $forceKnown */ true )
 128                                 );
 129                                 $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 130                                 return;
 131                         }
 132                 }
 133
 134                 if ( $wgShowEXIF && $this->displayImg->exists() ) {
 135                         // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 136                         $formattedMetadata = $this->displayImg->formatMetadata( $this->getContext() );
 137                         $showmeta = $formattedMetadata !== false;
 138                 } else {
 139                         $showmeta = false;
 140                 }
 141
 142                 if ( !$diff && $this->displayImg->exists() ) {
 143                         $out->addHTML( $this->showTOC( $showmeta ) );
 144                 }
 145
 146                 if ( !$diff ) {
 147                         $this->openShowImage();
 148                 }
 149
 150                 # No need to display noarticletext, we use our own message, output in openShowImage()
 151                 if ( $this->mPage->getId() ) {
 152                         # NS_FILE is in the user language, but this section (the actual wikitext)
 153                         # should be in page content language
 154                         $pageLang = $this->getTitle()->getPageViewLanguage();
 155                         $out->addHTML( Xml::openElement( 'div', [ 'id' => 'mw-imagepage-content',
 156                                 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
 157                                 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
 158
 159                         parent::view();
 160
 161                         $out->addHTML( Xml::closeElement( 'div' ) );
 162                 } else {
 163                         # Just need to set the right headers
 164                         $out->setArticleFlag( true );
 165                         $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 166                         $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 167                 }
 168
 169                 # Show shared description, if needed
 170                 if ( $this->mExtraDescription ) {
 171                         $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
 172                         if ( !$fol->isDisabled() ) {
 173                                 $out->addWikiText( $fol->plain() );
 174                         }
 175                         $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" );
 176                 }
 177
 178                 $this->closeShowImage();
 179                 $this->imageHistory();
 180                 // TODO: Cleanup the following
 181
 182                 $out->addHTML( Xml::element( 'h2',
 183                         [ 'id' => 'filelinks' ],
 184                                 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
 185                 $this->imageDupes();
 186                 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
 187                 # Yet we return metadata about the target. Definitely an issue in the FileRepo
 188                 $this->imageLinks();
 189
 190                 # Allow extensions to add something after the image links
 191                 $html = '';
 192                 Hooks::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
 193                 if ( $html ) {
 194                         $out->addHTML( $html );
 195                 }
 196
 197                 if ( $showmeta ) {
 198                         $out->addHTML( Xml::element(
 199                                 'h2',
 200                                 [ 'id' => 'metadata' ],
 201                                         $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
 202                         $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
 203                         $out->addModules( [ 'mediawiki.action.view.metadata' ] );
 204                 }
 205
 206                 // Add remote Filepage.css
 207                 if ( !$this->repo->isLocal() ) {
 208                         $css = $this->repo->getDescriptionStylesheetUrl();
 209                         if ( $css ) {
 210                                 $out->addStyle( $css );
 211                         }
 212                 }
 213
 214                 $out->addModuleStyles( [
 215                         'filepage', // always show the local local Filepage.css, bug 29277
 216                         'mediawiki.action.view.filepage', // Add MediaWiki styles for a file page
 217                 ] );
 218
 219         }
 220
 221         /**
 222          * @return File
 223          */
 224         public function getDisplayedFile() {
 225                 $this->loadFile();
 226                 return $this->displayImg;
 227         }
 228
 229         /**
 230          * Create the TOC
 231          *
 232          * @param bool $metadata Whether or not to show the metadata link
 233          * @return string
 234          */
 235         protected function showTOC( $metadata ) {
 236                 $r = [
 237                         '<li><a href="#file">' . $this->getContext()->msg( 'file-anchor-link' )->escaped() . '</a></li>',
 238                         '<li><a href="#filehistory">' . $this->getContext()->msg( 'filehist' )->escaped() . '</a></li>',
 239                         '<li><a href="#filelinks">' . $this->getContext()->msg( 'imagelinks' )->escaped() . '</a></li>',
 240                 ];
 241
 242                 Hooks::run( 'ImagePageShowTOC', [ $this, &$r ] );
 243
 244                 if ( $metadata ) {
 245                         $r[] = '<li><a href="#metadata">' .
 246                                 $this->getContext()->msg( 'metadata' )->escaped() .
 247                                 '</a></li>';
 248                 }
 249
 250                 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
 251         }
 252
 253         /**
 254          * Make a table with metadata to be shown in the output page.
 255          *
 256          * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 257          *
 258          * @param array $metadata The array containing the Exif data
 259          * @return string The metadata table. This is treated as Wikitext (!)
 260          */
 261         protected function makeMetadataTable( $metadata ) {
 262                 $r = "<div class=\"mw-imagepage-section-metadata\">";
 263                 $r .= $this->getContext()->msg( 'metadata-help' )->plain();
 264                 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
 265                 foreach ( $metadata as $type => $stuff ) {
 266                         foreach ( $stuff as $v ) {
 267                                 # @todo FIXME: Why is this using escapeId for a class?!
 268                                 $class = Sanitizer::escapeId( $v['id'] );
 269                                 if ( $type == 'collapsed' ) {
 270                                         // Handled by mediawiki.action.view.metadata module.
 271                                         $class .= ' collapsable';
 272                                 }
 273                                 $r .= "<tr class=\"$class\">\n";
 274                                 $r .= "<th>{$v['name']}</th>\n";
 275                                 $r .= "<td>{$v['value']}</td>\n</tr>";
 276                         }
 277                 }
 278                 $r .= "</table>\n</div>\n";
 279                 return $r;
 280         }
 281
 282         /**
 283          * Overloading Article's getContentObject method.
 284          *
 285          * Omit noarticletext if sharedupload; text will be fetched from the
 286          * shared upload server if possible.
 287          * @return string
 288          */
 289         public function getContentObject() {
 290                 $this->loadFile();
 291                 if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getId() ) {
 292                         return null;
 293                 }
 294                 return parent::getContentObject();
 295         }
 296
 297         protected function openShowImage() {
 298                 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
 299
 300                 $this->loadFile();
 301                 $out = $this->getContext()->getOutput();
 302                 $user = $this->getContext()->getUser();
 303                 $lang = $this->getContext()->getLanguage();
 304                 $dirmark = $lang->getDirMarkEntity();
 305                 $request = $this->getContext()->getRequest();
 306
 307                 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
 308                 $maxWidth = $max[0];
 309                 $maxHeight = $max[1];
 310
 311                 if ( $this->displayImg->exists() ) {
 312                         # image
 313                         $page = $request->getIntOrNull( 'page' );
 314                         if ( is_null( $page ) ) {
 315                                 $params = [];
 316                                 $page = 1;
 317                         } else {
 318                                 $params = [ 'page' => $page ];
 319                         }
 320
 321                         $renderLang = $request->getVal( 'lang' );
 322                         if ( !is_null( $renderLang ) ) {
 323                                 $handler = $this->displayImg->getHandler();
 324                                 if ( $handler && $handler->validateParam( 'lang', $renderLang ) ) {
 325                                         $params['lang'] = $renderLang;
 326                                 } else {
 327                                         $renderLang = null;
 328                                 }
 329                         }
 330
 331                         $width_orig = $this->displayImg->getWidth( $page );
 332                         $width = $width_orig;
 333                         $height_orig = $this->displayImg->getHeight( $page );
 334                         $height = $height_orig;
 335
 336                         $filename = wfEscapeWikiText( $this->displayImg->getName() );
 337                         $linktext = $filename;
 338
 339                         Hooks::run( 'ImageOpenShowImageInlineBefore', [ &$this, &$out ] );
 340
 341                         if ( $this->displayImg->allowInlineDisplay() ) {
 342                                 # image
 343                                 # "Download high res version" link below the image
 344                                 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
 345                                 #   Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
 346                                 # We'll show a thumbnail of this image
 347                                 if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
 348                                         list( $width, $height ) = $this->getDisplayWidthHeight(
 349                                                 $maxWidth, $maxHeight, $width, $height
 350                                         );
 351                                         $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
 352
 353                                         $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
 354                                         # Generate thumbnails or thumbnail links as needed...
 355                                         $otherSizes = [];
 356                                         foreach ( $thumbSizes as $size ) {
 357                                                 // We include a thumbnail size in the list, if it is
 358                                                 // less than or equal to the original size of the image
 359                                                 // asset ($width_orig/$height_orig). We also exclude
 360                                                 // the current thumbnail's size ($width/$height)
 361                                                 // since that is added to the message separately, so
 362                                                 // it can be denoted as the current size being shown.
 363                                                 // Vectorized images are limited by $wgSVGMaxSize big,
 364                                                 // so all thumbs less than or equal that are shown.
 365                                                 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
 366                                                                 || ( $this->displayImg->isVectorized()
 367                                                                         && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
 368                                                         )
 369                                                         && $size[0] != $width && $size[1] != $height
 370                                                 ) {
 371                                                         $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
 372                                                         if ( $sizeLink ) {
 373                                                                 $otherSizes[] = $sizeLink;
 374                                                         }
 375                                                 }
 376                                         }
 377                                         $otherSizes = array_unique( $otherSizes );
 378
 379                                         $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
 380                                         $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
 381                                         if ( count( $otherSizes ) ) {
 382                                                 $msgsmall .= ' ' .
 383                                                 Html::rawElement(
 384                                                         'span',
 385                                                         [ 'class' => 'mw-filepage-other-resolutions' ],
 386                                                         $this->getContext()->msg( 'show-big-image-other' )
 387                                                                 ->rawParams( $lang->pipeList( $otherSizes ) )
 388                                                                 ->params( count( $otherSizes ) )
 389                                                                 ->parse()
 390                                                 );
 391                                         }
 392                                 } elseif ( $width == 0 && $height == 0 ) {
 393                                         # Some sort of audio file that doesn't have dimensions
 394                                         # Don't output a no hi res message for such a file
 395                                         $msgsmall = '';
 396                                 } else {
 397                                         # Image is small enough to show full size on image page
 398                                         $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
 399                                 }
 400
 401                                 $params['width'] = $width;
 402                                 $params['height'] = $height;
 403                                 $thumbnail = $this->displayImg->transform( $params );
 404                                 Linker::processResponsiveImages( $this->displayImg, $thumbnail, $params );
 405
 406                                 $anchorclose = Html::rawElement(
 407                                         'div',
 408                                         [ 'class' => 'mw-filepage-resolutioninfo' ],
 409                                         $msgsmall
 410                                 );
 411
 412                                 $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
 413                                 if ( $isMulti ) {
 414                                         $out->addModules( 'mediawiki.page.image.pagination' );
 415                                         $out->addHTML( '<table class="multipageimage"><tr><td>' );
 416                                 }
 417
 418                                 if ( $thumbnail ) {
 419                                         $options = [
 420                                                 'alt' => $this->displayImg->getTitle()->getPrefixedText(),
 421                                                 'file-link' => true,
 422                                         ];
 423                                         $out->addHTML( '<div class="fullImageLink" id="file">' .
 424                                                 $thumbnail->toHtml( $options ) .
 425                                                 $anchorclose . "</div>\n" );
 426                                 }
 427
 428                                 if ( $isMulti ) {
 429                                         $count = $this->displayImg->pageCount();
 430
 431                                         if ( $page > 1 ) {
 432                                                 $label = $out->parse( $this->getContext()->msg( 'imgmultipageprev' )->text(), false );
 433                                                 // on the client side, this link is generated in ajaxifyPageNavigation()
 434                                                 // in the mediawiki.page.image.pagination module
 435                                                 $link = Linker::linkKnown(
 436                                                         $this->getTitle(),
 437                                                         $label,
 438                                                         [],
 439                                                         [ 'page' => $page - 1 ]
 440                                                 );
 441                                                 $thumb1 = Linker::makeThumbLinkObj(
 442                                                         $this->getTitle(),
 443                                                         $this->displayImg,
 444                                                         $link,
 445                                                         $label,
 446                                                         'none',
 447                                                         [ 'page' => $page - 1 ]
 448                                                 );
 449                                         } else {
 450                                                 $thumb1 = '';
 451                                         }
 452
 453                                         if ( $page < $count ) {
 454                                                 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
 455                                                 $link = Linker::linkKnown(
 456                                                         $this->getTitle(),
 457                                                         $label,
 458                                                         [],
 459                                                         [ 'page' => $page + 1 ]
 460                                                 );
 461                                                 $thumb2 = Linker::makeThumbLinkObj(
 462                                                         $this->getTitle(),
 463                                                         $this->displayImg,
 464                                                         $link,
 465                                                         $label,
 466                                                         'none',
 467                                                         [ 'page' => $page + 1 ]
 468                                                 );
 469                                         } else {
 470                                                 $thumb2 = '';
 471                                         }
 472
 473                                         global $wgScript;
 474
 475                                         $formParams = [
 476                                                 'name' => 'pageselector',
 477                                                 'action' => $wgScript,
 478                                         ];
 479                                         $options = [];
 480                                         for ( $i = 1; $i <= $count; $i++ ) {
 481                                                 $options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page );
 482                                         }
 483                                         $select = Xml::tags( 'select',
 484                                                 [ 'id' => 'pageselector', 'name' => 'page' ],
 485                                                 implode( "\n", $options ) );
 486
 487                                         $out->addHTML(
 488                                                 '</td><td><div class="multipageimagenavbox">' .
 489                                                 Xml::openElement( 'form', $formParams ) .
 490                                                 Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 491                                                 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
 492                                                 Xml::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
 493                                                 Xml::closeElement( 'form' ) .
 494                                                 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
 495                                         );
 496                                 }
 497                         } elseif ( $this->displayImg->isSafeFile() ) {
 498                                 # if direct link is allowed but it's not a renderable image, show an icon.
 499                                 $icon = $this->displayImg->iconThumb();
 500
 501                                 $out->addHTML( '<div class="fullImageLink" id="file">' .
 502                                         $icon->toHtml( [ 'file-link' => true ] ) .
 503                                         "</div>\n" );
 504                         }
 505
 506                         $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg->getLongDesc() )->text();
 507
 508                         $handler = $this->displayImg->getHandler();
 509
 510                         // If this is a filetype with potential issues, warn the user.
 511                         if ( $handler ) {
 512                                 $warningConfig = $handler->getWarningConfig( $this->displayImg );
 513
 514                                 if ( $warningConfig !== null ) {
 515                                         // The warning will be displayed via CSS and JavaScript.
 516                                         // We just need to tell the client side what message to use.
 517                                         $output = $this->getContext()->getOutput();
 518                                         $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
 519                                         $output->addModules( $warningConfig['module'] );
 520                                         $output->addModules( 'mediawiki.filewarning' );
 521                                 }
 522                         }
 523
 524                         $medialink = "[[Media:$filename|$linktext]]";
 525
 526                         if ( !$this->displayImg->isSafeFile() ) {
 527                                 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
 528                                 // dirmark is needed here to separate the file name, which
 529                                 // most likely ends in Latin characters, from the description,
 530                                 // which may begin with the file type. In RTL environment
 531                                 // this will get messy.
 532                                 // The dirmark, however, must not be immediately adjacent
 533                                 // to the filename, because it can get copied with it.
 534                                 // See bug 25277.
 535                                 // @codingStandardsIgnoreStart Ignore long line
 536                                 $out->addWikiText( <<<EOT
 537 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
 538 <div class="mediaWarning">$warning</div>
 539 EOT
 540                                 );
 541                                 // @codingStandardsIgnoreEnd
 542                         } else {
 543                                 $out->addWikiText( <<<EOT
 544 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
 545 </div>
 546 EOT
 547                                 );
 548                         }
 549
 550                         $renderLangOptions = $this->displayImg->getAvailableLanguages();
 551                         if ( count( $renderLangOptions ) >= 1 ) {
 552                                 $currentLanguage = $renderLang;
 553                                 $defaultLang = $this->displayImg->getDefaultRenderLanguage();
 554                                 if ( is_null( $currentLanguage ) ) {
 555                                         $currentLanguage = $defaultLang;
 556                                 }
 557                                 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $currentLanguage, $defaultLang ) );
 558                         }
 559
 560                         // Add cannot animate thumbnail warning
 561                         if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) {
 562                                 // Include the extension so wiki admins can
 563                                 // customize it on a per file-type basis
 564                                 // (aka say things like use format X instead).
 565                                 // additionally have a specific message for
 566                                 // file-no-thumb-animation-gif
 567                                 $ext = $this->displayImg->getExtension();
 568                                 $noAnimMesg = wfMessageFallback(
 569                                         'file-no-thumb-animation-' . $ext,
 570                                         'file-no-thumb-animation'
 571                                 )->plain();
 572
 573                                 $out->addWikiText( <<<EOT
 574 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
 575 EOT
 576                                 );
 577                         }
 578
 579                         if ( !$this->displayImg->isLocal() ) {
 580                                 $this->printSharedImageText();
 581                         }
 582                 } else {
 583                         # Image does not exist
 584                         if ( !$this->getId() ) {
 585                                 # No article exists either
 586                                 # Show deletion log to be consistent with normal articles
 587                                 LogEventsList::showLogExtract(
 588                                         $out,
 589                                         [ 'delete', 'move' ],
 590                                         $this->getTitle()->getPrefixedText(),
 591                                         '',
 592                                         [ 'lim' => 10,
 593                                                 'conds' => [ "log_action != 'revision'" ],
 594                                                 'showIfEmpty' => false,
 595                                                 'msgKey' => [ 'moveddeleted-notice' ]
 596                                         ]
 597                                 );
 598                         }
 599
 600                         if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
 601                                 // Only show an upload link if the user can upload
 602                                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 603                                 $nofile = [
 604                                         'filepage-nofile-link',
 605                                         $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage->getFile()->getName() ] )
 606                                 ];
 607                         } else {
 608                                 $nofile = 'filepage-nofile';
 609                         }
 610                         // Note, if there is an image description page, but
 611                         // no image, then this setRobotPolicy is overridden
 612                         // by Article::View().
 613                         $out->setRobotPolicy( 'noindex,nofollow' );
 614                         $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
 615                         if ( !$this->getId() && $wgSend404Code ) {
 616                                 // If there is no image, no shared image, and no description page,
 617                                 // output a 404, to be consistent with Article::showMissingArticle.
 618                                 $request->response()->statusHeader( 404 );
 619                         }
 620                 }
 621                 $out->setFileVersion( $this->displayImg );
 622         }
 623
 624         /**
 625          * Make the text under the image to say what size preview
 626          *
 627          * @param $params array parameters for thumbnail
 628          * @param $sizeLinkBigImagePreview HTML for the current size
 629          * @return string HTML output
 630          */
 631         private function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
 632                 if ( $sizeLinkBigImagePreview ) {
 633                         // Show a different message of preview is different format from original.
 634                         $previewTypeDiffers = false;
 635                         $origExt = $thumbExt = $this->displayImg->getExtension();
 636                         if ( $this->displayImg->getHandler() ) {
 637                                 $origMime = $this->displayImg->getMimeType();
 638                                 $typeParams = $params;
 639                                 $this->displayImg->getHandler()->normaliseParams( $this->displayImg, $typeParams );
 640                                 list( $thumbExt, $thumbMime ) = $this->displayImg->getHandler()->getThumbType(
 641                                         $origExt, $origMime, $typeParams );
 642                                 if ( $thumbMime !== $origMime ) {
 643                                         $previewTypeDiffers = true;
 644                                 }
 645                         }
 646                         if ( $previewTypeDiffers ) {
 647                                 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
 648                                         rawParams( $sizeLinkBigImagePreview )->
 649                                         params( strtoupper( $origExt ) )->
 650                                         params( strtoupper( $thumbExt ) )->
 651                                         parse();
 652                         } else {
 653                                 return $this->getContext()->msg( 'show-big-image-preview' )->
 654                                         rawParams( $sizeLinkBigImagePreview )->
 655                                 parse();
 656                         }
 657                 } else {
 658                         return '';
 659                 }
 660         }
 661
 662         /**
 663          * Creates an thumbnail of specified size and returns an HTML link to it
 664          * @param array $params Scaler parameters
 665          * @param int $width
 666          * @param int $height
 667          * @return string
 668          */
 669         private function makeSizeLink( $params, $width, $height ) {
 670                 $params['width'] = $width;
 671                 $params['height'] = $height;
 672                 $thumbnail = $this->displayImg->transform( $params );
 673                 if ( $thumbnail && !$thumbnail->isError() ) {
 674                         return Html::rawElement( 'a', [
 675                                 'href' => $thumbnail->getUrl(),
 676                                 'class' => 'mw-thumbnail-link'
 677                                 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
 678                                         $thumbnail->getWidth(), $thumbnail->getHeight()
 679                                 )->parse() );
 680                 } else {
 681                         return '';
 682                 }
 683         }
 684
 685         /**
 686          * Show a notice that the file is from a shared repository
 687          */
 688         protected function printSharedImageText() {
 689                 $out = $this->getContext()->getOutput();
 690                 $this->loadFile();
 691
 692                 $descUrl = $this->mPage->getFile()->getDescriptionUrl();
 693                 $descText = $this->mPage->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
 694
 695                 /* Add canonical to head if there is no local page for this shared file */
 696                 if ( $descUrl && $this->mPage->getId() == 0 ) {
 697                         $out->setCanonicalUrl( $descUrl );
 698                 }
 699
 700                 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
 701                 $repo = $this->mPage->getFile()->getRepo()->getDisplayName();
 702
 703                 if ( $descUrl &&
 704                         $descText &&
 705                         $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
 706                 ) {
 707                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
 708                 } elseif ( $descUrl &&
 709                         $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
 710                 ) {
 711                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
 712                 } else {
 713                         $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
 714                 }
 715
 716                 if ( $descText ) {
 717                         $this->mExtraDescription = $descText;
 718                 }
 719         }
 720
 721         public function getUploadUrl() {
 722                 $this->loadFile();
 723                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 724                 return $uploadTitle->getFullURL( [
 725                         'wpDestFile' => $this->mPage->getFile()->getName(),
 726                         'wpForReUpload' => 1
 727                 ] );
 728         }
 729
 730         /**
 731          * Print out the various links at the bottom of the image page, e.g. reupload,
 732          * external editing (and instructions link) etc.
 733          */
 734         protected function uploadLinksBox() {
 735                 global $wgEnableUploads;
 736
 737                 if ( !$wgEnableUploads ) {
 738                         return;
 739                 }
 740
 741                 $this->loadFile();
 742                 if ( !$this->mPage->getFile()->isLocal() ) {
 743                         return;
 744                 }
 745
 746                 $out = $this->getContext()->getOutput();
 747                 $out->addHTML( "<ul>\n" );
 748
 749                 # "Upload a new version of this file" link
 750                 $canUpload = $this->getTitle()->quickUserCan( 'upload', $this->getContext()->getUser() );
 751                 if ( $canUpload && UploadBase::userCanReUpload(
 752                                 $this->getContext()->getUser(),
 753                                 $this->mPage->getFile() )
 754                 ) {
 755                         $ulink = Linker::makeExternalLink(
 756                                 $this->getUploadUrl(),
 757                                 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
 758                         );
 759                         $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
 760                                 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
 761                 } else {
 762                         $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
 763                                 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
 764                 }
 765
 766                 $out->addHTML( "</ul>\n" );
 767         }
 768
 769         /**
 770          * For overloading
 771          */
 772         protected function closeShowImage() {
 773         }
 774
 775         /**
 776          * If the page we've just displayed is in the "Image" namespace,
 777          * we follow it with an upload history of the image and its usage.
 778          */
 779         protected function imageHistory() {
 780                 $this->loadFile();
 781                 $out = $this->getContext()->getOutput();
 782                 $pager = new ImageHistoryPseudoPager( $this );
 783                 $out->addHTML( $pager->getBody() );
 784                 $out->preventClickjacking( $pager->getPreventClickjacking() );
 785
 786                 $this->mPage->getFile()->resetHistory(); // free db resources
 787
 788                 # Exist check because we don't want to show this on pages where an image
 789                 # doesn't exist along with the noimage message, that would suck. -ævar
 790                 if ( $this->mPage->getFile()->exists() ) {
 791                         $this->uploadLinksBox();
 792                 }
 793         }
 794
 795         /**
 796          * @param string $target
 797          * @param int $limit
 798          * @return ResultWrapper
 799          */
 800         protected function queryImageLinks( $target, $limit ) {
 801                 $dbr = wfGetDB( DB_REPLICA );
 802
 803                 return $dbr->select(
 804                         [ 'imagelinks', 'page' ],
 805                         [ 'page_namespace', 'page_title', 'il_to' ],
 806                         [ 'il_to' => $target, 'il_from = page_id' ],
 807                         __METHOD__,
 808                         [ 'LIMIT' => $limit + 1, 'ORDER BY' => 'il_from', ]
 809                 );
 810         }
 811
 812         protected function imageLinks() {
 813                 $limit = 100;
 814
 815                 $out = $this->getContext()->getOutput();
 816
 817                 $rows = [];
 818                 $redirects = [];
 819                 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE ) as $redir ) {
 820                         $redirects[$redir->getDBkey()] = [];
 821                         $rows[] = (object)[
 822                                 'page_namespace' => NS_FILE,
 823                                 'page_title' => $redir->getDBkey(),
 824                         ];
 825                 }
 826
 827                 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit + 1 );
 828                 foreach ( $res as $row ) {
 829                         $rows[] = $row;
 830                 }
 831                 $count = count( $rows );
 832
 833                 $hasMore = $count > $limit;
 834                 if ( !$hasMore && count( $redirects ) ) {
 835                         $res = $this->queryImageLinks( array_keys( $redirects ),
 836                                 $limit - count( $rows ) + 1 );
 837                         foreach ( $res as $row ) {
 838                                 $redirects[$row->il_to][] = $row;
 839                                 $count++;
 840                         }
 841                         $hasMore = ( $res->numRows() + count( $rows ) ) > $limit;
 842                 }
 843
 844                 if ( $count == 0 ) {
 845                         $out->wrapWikiMsg(
 846                                 Html::rawElement( 'div',
 847                                         [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
 848                                 'nolinkstoimage'
 849                         );
 850                         return;
 851                 }
 852
 853                 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
 854                 if ( !$hasMore ) {
 855                         $out->addWikiMsg( 'linkstoimage', $count );
 856                 } else {
 857                         // More links than the limit. Add a link to [[Special:Whatlinkshere]]
 858                         $out->addWikiMsg( 'linkstoimage-more',
 859                                 $this->getContext()->getLanguage()->formatNum( $limit ),
 860                                 $this->getTitle()->getPrefixedDBkey()
 861                         );
 862                 }
 863
 864                 $out->addHTML(
 865                         Html::openElement( 'ul',
 866                                 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
 867                 );
 868                 $count = 0;
 869
 870                 // Sort the list by namespace:title
 871                 usort( $rows, [ $this, 'compare' ] );
 872
 873                 // Create links for every element
 874                 $currentCount = 0;
 875                 foreach ( $rows as $element ) {
 876                         $currentCount++;
 877                         if ( $currentCount > $limit ) {
 878                                 break;
 879                         }
 880
 881                         $query = [];
 882                         # Add a redirect=no to make redirect pages reachable
 883                         if ( isset( $redirects[$element->page_title] ) ) {
 884                                 $query['redirect'] = 'no';
 885                         }
 886                         $link = Linker::linkKnown(
 887                                 Title::makeTitle( $element->page_namespace, $element->page_title ),
 888                                 null, [], $query
 889                         );
 890                         if ( !isset( $redirects[$element->page_title] ) ) {
 891                                 # No redirects
 892                                 $liContents = $link;
 893                         } elseif ( count( $redirects[$element->page_title] ) === 0 ) {
 894                                 # Redirect without usages
 895                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
 896                                         ->rawParams( $link, '' )
 897                                         ->parse();
 898                         } else {
 899                                 # Redirect with usages
 900                                 $li = '';
 901                                 foreach ( $redirects[$element->page_title] as $row ) {
 902                                         $currentCount++;
 903                                         if ( $currentCount > $limit ) {
 904                                                 break;
 905                                         }
 906
 907                                         $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) );
 908                                         $li .= Html::rawElement(
 909                                                 'li',
 910                                                 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 911                                                 $link2
 912                                                 ) . "\n";
 913                                 }
 914
 915                                 $ul = Html::rawElement(
 916                                         'ul',
 917                                         [ 'class' => 'mw-imagepage-redirectstofile' ],
 918                                         $li
 919                                         ) . "\n";
 920                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
 921                                         $link, $ul )->parse();
 922                         }
 923                         $out->addHTML( Html::rawElement(
 924                                         'li',
 925                                         [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 926                                         $liContents
 927                                 ) . "\n"
 928                         );
 929
 930                 };
 931                 $out->addHTML( Html::closeElement( 'ul' ) . "\n" );
 932                 $res->free();
 933
 934                 // Add a links to [[Special:Whatlinkshere]]
 935                 if ( $count > $limit ) {
 936                         $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
 937                 }
 938                 $out->addHTML( Html::closeElement( 'div' ) . "\n" );
 939         }
 940
 941         protected function imageDupes() {
 942                 $this->loadFile();
 943                 $out = $this->getContext()->getOutput();
 944
 945                 $dupes = $this->mPage->getDuplicates();
 946                 if ( count( $dupes ) == 0 ) {
 947                         return;
 948                 }
 949
 950                 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
 951                 $out->addWikiMsg( 'duplicatesoffile',
 952                         $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
 953                 );
 954                 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
 955
 956                 /**
 957                  * @var $file File
 958                  */
 959                 foreach ( $dupes as $file ) {
 960                         $fromSrc = '';
 961                         if ( $file->isLocal() ) {
 962                                 $link = Linker::linkKnown( $file->getTitle() );
 963                         } else {
 964                                 $link = Linker::makeExternalLink( $file->getDescriptionUrl(),
 965                                         $file->getTitle()->getPrefixedText() );
 966                                 $fromSrc = $this->getContext()->msg(
 967                                         'shared-repo-from',
 968                                         $file->getRepo()->getDisplayName()
 969                                 )->text();
 970                         }
 971                         $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
 972                 }
 973                 $out->addHTML( "</ul></div>\n" );
 974         }
 975
 976         /**
 977          * Delete the file, or an earlier version of it
 978          */
 979         public function delete() {
 980                 $file = $this->mPage->getFile();
 981                 if ( !$file->exists() || !$file->isLocal() || $file->getRedirected() ) {
 982                         // Standard article deletion
 983                         parent::delete();
 984                         return;
 985                 }
 986
 987                 $deleter = new FileDeleteForm( $file );
 988                 $deleter->execute();
 989         }
 990
 991         /**
 992          * Display an error with a wikitext description
 993          *
 994          * @param string $description
 995          */
 996         function showError( $description ) {
 997                 $out = $this->getContext()->getOutput();
 998                 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
 999                 $out->setRobotPolicy( 'noindex,nofollow' );
1000                 $out->setArticleRelated( false );
1001                 $out->enableClientCache( false );
1002                 $out->addWikiText( $description );
1003         }
1004
1005         /**
1006          * Callback for usort() to do link sorts by (namespace, title)
1007          * Function copied from Title::compare()
1008          *
1009          * @param object $a Object page to compare with
1010          * @param object $b Object page to compare with
1011          * @return int Result of string comparison, or namespace comparison
1012          */
1013         protected function compare( $a, $b ) {
1014                 if ( $a->page_namespace == $b->page_namespace ) {
1015                         return strcmp( $a->page_title, $b->page_title );
1016                 } else {
1017                         return $a->page_namespace - $b->page_namespace;
1018                 }
1019         }
1020
1021         /**
1022          * Returns the corresponding $wgImageLimits entry for the selected user option
1023          *
1024          * @param User $user
1025          * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1026          * @return array
1027          * @since 1.21
1028          */
1029         public function getImageLimitsFromOption( $user, $optionName ) {
1030                 global $wgImageLimits;
1031
1032                 $option = $user->getIntOption( $optionName );
1033                 if ( !isset( $wgImageLimits[$option] ) ) {
1034                         $option = User::getDefaultOption( $optionName );
1035                 }
1036
1037                 // The user offset might still be incorrect, specially if
1038                 // $wgImageLimits got changed (see bug #8858).
1039                 if ( !isset( $wgImageLimits[$option] ) ) {
1040                         // Default to the first offset in $wgImageLimits
1041                         $option = 0;
1042                 }
1043
1044                 return isset( $wgImageLimits[$option] )
1045                         ? $wgImageLimits[$option]
1046                         : [ 800, 600 ]; // if nothing is set, fallback to a hardcoded default
1047         }
1048
1049         /**
1050          * Output a drop-down box for language options for the file
1051          *
1052          * @param array $langChoices Array of string language codes
1053          * @param string $curLang Language code file is being viewed in.
1054          * @param string $defaultLang Language code that image is rendered in by default
1055          * @return string HTML to insert underneath image.
1056          */
1057         protected function doRenderLangOpt( array $langChoices, $curLang, $defaultLang ) {
1058                 global $wgScript;
1059                 sort( $langChoices );
1060                 $curLang = wfBCP47( $curLang );
1061                 $defaultLang = wfBCP47( $defaultLang );
1062                 $opts = '';
1063                 $haveCurrentLang = false;
1064                 $haveDefaultLang = false;
1065
1066                 // We make a list of all the language choices in the file.
1067                 // Additionally if the default language to render this file
1068                 // is not included as being in this file (for example, in svgs
1069                 // usually the fallback content is the english content) also
1070                 // include a choice for that. Last of all, if we're viewing
1071                 // the file in a language not on the list, add it as a choice.
1072                 foreach ( $langChoices as $lang ) {
1073                         $code = wfBCP47( $lang );
1074                         $name = Language::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1075                         if ( $name !== '' ) {
1076                                 $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1077                         } else {
1078                                 $display = $code;
1079                         }
1080                         $opts .= "\n" . Xml::option( $display, $code, $curLang === $code );
1081                         if ( $curLang === $code ) {
1082                                 $haveCurrentLang = true;
1083                         }
1084                         if ( $defaultLang === $code ) {
1085                                 $haveDefaultLang = true;
1086                         }
1087                 }
1088                 if ( !$haveDefaultLang ) {
1089                         // Its hard to know if the content is really in the default language, or
1090                         // if its just unmarked content that could be in any language.
1091                         $opts = Xml::option(
1092                                         $this->getContext()->msg( 'img-lang-default' )->text(),
1093                                 $defaultLang,
1094                                 $defaultLang === $curLang
1095                         ) . $opts;
1096                 }
1097                 if ( !$haveCurrentLang && $defaultLang !== $curLang ) {
1098                         $name = Language::fetchLanguageName( $curLang, $this->getContext()->getLanguage()->getCode() );
1099                         if ( $name !== '' ) {
1100                                 $display = $this->getContext()->msg( 'img-lang-opt', $curLang, $name )->text();
1101                         } else {
1102                                 $display = $curLang;
1103                         }
1104                         $opts = Xml::option( $display, $curLang, true ) . $opts;
1105                 }
1106
1107                 $select = Html::rawElement(
1108                         'select',
1109                         [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1110                         $opts
1111                 );
1112                 $submit = Xml::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1113
1114                 $formContents = $this->getContext()->msg( 'img-lang-info' )
1115                         ->rawParams( $select, $submit )
1116                         ->parse();
1117                 $formContents .= Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1118
1119                 $langSelectLine = Html::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1120                         Html::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1121                 );
1122                 return $langSelectLine;
1123         }
1124
1125         /**
1126          * Get the width and height to display image at.
1127          *
1128          * @note This method assumes that it is only called if one
1129          *  of the dimensions are bigger than the max, or if the
1130          *  image is vectorized.
1131          *
1132          * @param int $maxWidth Max width to display at
1133          * @param int $maxHeight Max height to display at
1134          * @param int $width Actual width of the image
1135          * @param int $height Actual height of the image
1136          * @throws MWException
1137          * @return array Array (width, height)
1138          */
1139         protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1140                 if ( !$maxWidth || !$maxHeight ) {
1141                         // should never happen
1142                         throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1143                 }
1144
1145                 if ( !$width || !$height ) {
1146                         return [ 0, 0 ];
1147                 }
1148
1149                 # Calculate the thumbnail size.
1150                 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1151                         // Vectorized image, do nothing.
1152                 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1153                         # The limiting factor is the width, not the height.
1154                         $height = round( $height * $maxWidth / $width );
1155                         $width = $maxWidth;
1156                         # Note that $height <= $maxHeight now.
1157                 } else {
1158                         $newwidth = floor( $width * $maxHeight / $height );
1159                         $height = round( $height * $newwidth / $width );
1160                         $width = $newwidth;
1161                         # Note that $height <= $maxHeight now, but might not be identical
1162                         # because of rounding.
1163                 }
1164                 return [ $width, $height ];
1165         }
1166
1167         /**
1168          * Get alternative thumbnail sizes.
1169          *
1170          * @note This will only list several alternatives if thumbnails are rendered on 404
1171          * @param int $origWidth Actual width of image
1172          * @param int $origHeight Actual height of image
1173          * @return array An array of [width, height] pairs.
1174          */
1175         protected function getThumbSizes( $origWidth, $origHeight ) {
1176                 global $wgImageLimits;
1177                 if ( $this->displayImg->getRepo()->canTransformVia404() ) {
1178                         $thumbSizes = $wgImageLimits;
1179                         // Also include the full sized resolution in the list, so
1180                         // that users know they can get it. This will link to the
1181                         // original file asset if mustRender() === false. In the case
1182                         // that we mustRender, some users have indicated that they would
1183                         // find it useful to have the full size image in the rendered
1184                         // image format.
1185                         $thumbSizes[] = [ $origWidth, $origHeight ];
1186                 } else {
1187                         # Creating thumb links triggers thumbnail generation.
1188                         # Just generate the thumb for the current users prefs.
1189                         $thumbSizes = [
1190                                 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1191                         ];
1192                         if ( !$this->displayImg->mustRender() ) {
1193                                 // We can safely include a link to the "full-size" preview,
1194                                 // without actually rendering.
1195                                 $thumbSizes[] = [ $origWidth, $origHeight ];
1196                         }
1197                 }
1198                 return $thumbSizes;
1199         }
1200
1201         /**
1202          * @see WikiFilePage::getFile
1203          * @return bool|File
1204          */
1205         public function getFile() {
1206                 return $this->mPage->getFile();
1207         }
1208
1209         /**
1210          * @see WikiFilePage::isLocal
1211          * @return bool
1212          */
1213         public function isLocal() {
1214                 return $this->mPage->isLocal();
1215         }
1216
1217         /**
1218          * @see WikiFilePage::getDuplicates
1219          * @return array|null
1220          */
1221         public function getDuplicates() {
1222                 return $this->mPage->getDuplicates();
1223         }
1224
1225         /**
1226          * @see WikiFilePage::getForeignCategories
1227          * @return TitleArray|Title[]
1228          */
1229         public function getForeignCategories() {
1230                 $this->mPage->getForeignCategories();
1231         }
1232
1233 }