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          * Constructor from a page id
  57          * @param int $id Article ID to load
  58          * @return ImagePage|null
  59          */
  60         public static function newFromID( $id ) {
  61                 $t = Title::newFromID( $id );
  62                 # @todo FIXME: Doesn't inherit right
  63                 return $t == null ? null : new self( $t );
  64                 # return $t == null ? null : new static( $t ); // PHP 5.3
  65         }
  66
  67         /**
  68          * @param File $file
  69          * @return void
  70          */
  71         public function setFile( $file ) {
  72                 $this->mPage->setFile( $file );
  73                 $this->displayImg = $file;
  74                 $this->fileLoaded = true;
  75         }
  76
  77         protected function loadFile() {
  78                 if ( $this->fileLoaded ) {
  79                         return;
  80                 }
  81                 $this->fileLoaded = true;
  82
  83                 $this->displayImg = $img = false;
  84                 Hooks::run( 'ImagePageFindFile', [ $this, &$img, &$this->displayImg ] );
  85                 if ( !$img ) { // not set by hook?
  86                         $img = wfFindFile( $this->getTitle() );
  87                         if ( !$img ) {
  88                                 $img = wfLocalFile( $this->getTitle() );
  89                         }
  90                 }
  91                 $this->mPage->setFile( $img );
  92                 if ( !$this->displayImg ) { // not set by hook?
  93                         $this->displayImg = $img;
  94                 }
  95                 $this->repo = $img->getRepo();
  96         }
  97
  98         /**
  99          * Handler for action=render
 100          * Include body text only; none of the image extras
 101          */
 102         public function render() {
 103                 $this->getContext()->getOutput()->setArticleBodyOnly( true );
 104                 parent::view();
 105         }
 106
 107         public function view() {
 108                 global $wgShowEXIF;
 109
 110                 $out = $this->getContext()->getOutput();
 111                 $request = $this->getContext()->getRequest();
 112                 $diff = $request->getVal( 'diff' );
 113                 $diffOnly = $request->getBool(
 114                         'diffonly',
 115                         $this->getContext()->getUser()->getOption( 'diffonly' )
 116                 );
 117
 118                 if ( $this->getTitle()->getNamespace() != NS_FILE || ( $diff !== null && $diffOnly ) ) {
 119                         parent::view();
 120                         return;
 121                 }
 122
 123                 $this->loadFile();
 124
 125                 if ( $this->getTitle()->getNamespace() == NS_FILE && $this->mPage->getFile()->getRedirected() ) {
 126                         if ( $this->getTitle()->getDBkey() == $this->mPage->getFile()->getName() || $diff !== null ) {
 127                                 // mTitle is the same as the redirect target so ask Article
 128                                 // to perform the redirect for us.
 129                                 $request->setVal( 'diffonly', 'true' );
 130                                 parent::view();
 131                                 return;
 132                         } else {
 133                                 // mTitle is not the same as the redirect target so it is
 134                                 // probably the redirect page itself. Fake the redirect symbol
 135                                 $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 136                                 $out->addHTML( $this->viewRedirect(
 137                                         Title::makeTitle( NS_FILE, $this->mPage->getFile()->getName() ),
 138                                         /* $appendSubtitle */ true,
 139                                         /* $forceKnown */ true )
 140                                 );
 141                                 $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 142                                 return;
 143                         }
 144                 }
 145
 146                 if ( $wgShowEXIF && $this->displayImg->exists() ) {
 147                         // @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 148                         $formattedMetadata = $this->displayImg->formatMetadata( $this->getContext() );
 149                         $showmeta = $formattedMetadata !== false;
 150                 } else {
 151                         $showmeta = false;
 152                 }
 153
 154                 if ( !$diff && $this->displayImg->exists() ) {
 155                         $out->addHTML( $this->showTOC( $showmeta ) );
 156                 }
 157
 158                 if ( !$diff ) {
 159                         $this->openShowImage();
 160                 }
 161
 162                 # No need to display noarticletext, we use our own message, output in openShowImage()
 163                 if ( $this->mPage->getId() ) {
 164                         # NS_FILE is in the user language, but this section (the actual wikitext)
 165                         # should be in page content language
 166                         $pageLang = $this->getTitle()->getPageViewLanguage();
 167                         $out->addHTML( Xml::openElement( 'div', [ 'id' => 'mw-imagepage-content',
 168                                 'lang' => $pageLang->getHtmlCode(), 'dir' => $pageLang->getDir(),
 169                                 'class' => 'mw-content-' . $pageLang->getDir() ] ) );
 170
 171                         parent::view();
 172
 173                         $out->addHTML( Xml::closeElement( 'div' ) );
 174                 } else {
 175                         # Just need to set the right headers
 176                         $out->setArticleFlag( true );
 177                         $out->setPageTitle( $this->getTitle()->getPrefixedText() );
 178                         $this->mPage->doViewUpdates( $this->getContext()->getUser(), $this->getOldID() );
 179                 }
 180
 181                 # Show shared description, if needed
 182                 if ( $this->mExtraDescription ) {
 183                         $fol = $this->getContext()->msg( 'shareddescriptionfollows' );
 184                         if ( !$fol->isDisabled() ) {
 185                                 $out->addWikiText( $fol->plain() );
 186                         }
 187                         $out->addHTML( '<div id="shared-image-desc">' . $this->mExtraDescription . "</div>\n" );
 188                 }
 189
 190                 $this->closeShowImage();
 191                 $this->imageHistory();
 192                 // TODO: Cleanup the following
 193
 194                 $out->addHTML( Xml::element( 'h2',
 195                         [ 'id' => 'filelinks' ],
 196                                 $this->getContext()->msg( 'imagelinks' )->text() ) . "\n" );
 197                 $this->imageDupes();
 198                 # @todo FIXME: For some freaky reason, we can't redirect to foreign images.
 199                 # Yet we return metadata about the target. Definitely an issue in the FileRepo
 200                 $this->imageLinks();
 201
 202                 # Allow extensions to add something after the image links
 203                 $html = '';
 204                 Hooks::run( 'ImagePageAfterImageLinks', [ $this, &$html ] );
 205                 if ( $html ) {
 206                         $out->addHTML( $html );
 207                 }
 208
 209                 if ( $showmeta ) {
 210                         $out->addHTML( Xml::element(
 211                                 'h2',
 212                                 [ 'id' => 'metadata' ],
 213                                         $this->getContext()->msg( 'metadata' )->text() ) . "\n" );
 214                         $out->addWikiText( $this->makeMetadataTable( $formattedMetadata ) );
 215                         $out->addModules( [ 'mediawiki.action.view.metadata' ] );
 216                 }
 217
 218                 // Add remote Filepage.css
 219                 if ( !$this->repo->isLocal() ) {
 220                         $css = $this->repo->getDescriptionStylesheetUrl();
 221                         if ( $css ) {
 222                                 $out->addStyle( $css );
 223                         }
 224                 }
 225
 226                 $out->addModuleStyles( [
 227                         'filepage', // always show the local local Filepage.css, bug 29277
 228                         'mediawiki.action.view.filepage', // Add MediaWiki styles for a file page
 229                 ] );
 230
 231         }
 232
 233         /**
 234          * @return File
 235          */
 236         public function getDisplayedFile() {
 237                 $this->loadFile();
 238                 return $this->displayImg;
 239         }
 240
 241         /**
 242          * Create the TOC
 243          *
 244          * @param bool $metadata Whether or not to show the metadata link
 245          * @return string
 246          */
 247         protected function showTOC( $metadata ) {
 248                 $r = [
 249                         '<li><a href="#file">' . $this->getContext()->msg( 'file-anchor-link' )->escaped() . '</a></li>',
 250                         '<li><a href="#filehistory">' . $this->getContext()->msg( 'filehist' )->escaped() . '</a></li>',
 251                         '<li><a href="#filelinks">' . $this->getContext()->msg( 'imagelinks' )->escaped() . '</a></li>',
 252                 ];
 253
 254                 Hooks::run( 'ImagePageShowTOC', [ $this, &$r ] );
 255
 256                 if ( $metadata ) {
 257                         $r[] = '<li><a href="#metadata">' .
 258                                 $this->getContext()->msg( 'metadata' )->escaped() .
 259                                 '</a></li>';
 260                 }
 261
 262                 return '<ul id="filetoc">' . implode( "\n", $r ) . '</ul>';
 263         }
 264
 265         /**
 266          * Make a table with metadata to be shown in the output page.
 267          *
 268          * @todo FIXME: Bad interface, see note on MediaHandler::formatMetadata().
 269          *
 270          * @param array $metadata The array containing the Exif data
 271          * @return string The metadata table. This is treated as Wikitext (!)
 272          */
 273         protected function makeMetadataTable( $metadata ) {
 274                 $r = "<div class=\"mw-imagepage-section-metadata\">";
 275                 $r .= $this->getContext()->msg( 'metadata-help' )->plain();
 276                 $r .= "<table id=\"mw_metadata\" class=\"mw_metadata\">\n";
 277                 foreach ( $metadata as $type => $stuff ) {
 278                         foreach ( $stuff as $v ) {
 279                                 # @todo FIXME: Why is this using escapeId for a class?!
 280                                 $class = Sanitizer::escapeId( $v['id'] );
 281                                 if ( $type == 'collapsed' ) {
 282                                         // Handled by mediawiki.action.view.metadata module.
 283                                         $class .= ' collapsable';
 284                                 }
 285                                 $r .= "<tr class=\"$class\">\n";
 286                                 $r .= "<th>{$v['name']}</th>\n";
 287                                 $r .= "<td>{$v['value']}</td>\n</tr>";
 288                         }
 289                 }
 290                 $r .= "</table>\n</div>\n";
 291                 return $r;
 292         }
 293
 294         /**
 295          * Overloading Article's getContentObject method.
 296          *
 297          * Omit noarticletext if sharedupload; text will be fetched from the
 298          * shared upload server if possible.
 299          * @return string
 300          */
 301         public function getContentObject() {
 302                 $this->loadFile();
 303                 if ( $this->mPage->getFile() && !$this->mPage->getFile()->isLocal() && 0 == $this->getId() ) {
 304                         return null;
 305                 }
 306                 return parent::getContentObject();
 307         }
 308
 309         protected function openShowImage() {
 310                 global $wgEnableUploads, $wgSend404Code, $wgSVGMaxSize;
 311
 312                 $this->loadFile();
 313                 $out = $this->getContext()->getOutput();
 314                 $user = $this->getContext()->getUser();
 315                 $lang = $this->getContext()->getLanguage();
 316                 $dirmark = $lang->getDirMarkEntity();
 317                 $request = $this->getContext()->getRequest();
 318
 319                 $max = $this->getImageLimitsFromOption( $user, 'imagesize' );
 320                 $maxWidth = $max[0];
 321                 $maxHeight = $max[1];
 322
 323                 if ( $this->displayImg->exists() ) {
 324                         # image
 325                         $page = $request->getIntOrNull( 'page' );
 326                         if ( is_null( $page ) ) {
 327                                 $params = [];
 328                                 $page = 1;
 329                         } else {
 330                                 $params = [ 'page' => $page ];
 331                         }
 332
 333                         $renderLang = $request->getVal( 'lang' );
 334                         if ( !is_null( $renderLang ) ) {
 335                                 $handler = $this->displayImg->getHandler();
 336                                 if ( $handler && $handler->validateParam( 'lang', $renderLang ) ) {
 337                                         $params['lang'] = $renderLang;
 338                                 } else {
 339                                         $renderLang = null;
 340                                 }
 341                         }
 342
 343                         $width_orig = $this->displayImg->getWidth( $page );
 344                         $width = $width_orig;
 345                         $height_orig = $this->displayImg->getHeight( $page );
 346                         $height = $height_orig;
 347
 348                         $filename = wfEscapeWikiText( $this->displayImg->getName() );
 349                         $linktext = $filename;
 350
 351                         Hooks::run( 'ImageOpenShowImageInlineBefore', [ &$this, &$out ] );
 352
 353                         if ( $this->displayImg->allowInlineDisplay() ) {
 354                                 # image
 355                                 # "Download high res version" link below the image
 356                                 # $msgsize = $this->getContext()->msg( 'file-info-size', $width_orig, $height_orig,
 357                                 #   Linker::formatSize( $this->displayImg->getSize() ), $mime )->escaped();
 358                                 # We'll show a thumbnail of this image
 359                                 if ( $width > $maxWidth || $height > $maxHeight || $this->displayImg->isVectorized() ) {
 360                                         list( $width, $height ) = $this->getDisplayWidthHeight(
 361                                                 $maxWidth, $maxHeight, $width, $height
 362                                         );
 363                                         $linktext = $this->getContext()->msg( 'show-big-image' )->escaped();
 364
 365                                         $thumbSizes = $this->getThumbSizes( $width_orig, $height_orig );
 366                                         # Generate thumbnails or thumbnail links as needed...
 367                                         $otherSizes = [];
 368                                         foreach ( $thumbSizes as $size ) {
 369                                                 // We include a thumbnail size in the list, if it is
 370                                                 // less than or equal to the original size of the image
 371                                                 // asset ($width_orig/$height_orig). We also exclude
 372                                                 // the current thumbnail's size ($width/$height)
 373                                                 // since that is added to the message separately, so
 374                                                 // it can be denoted as the current size being shown.
 375                                                 // Vectorized images are limited by $wgSVGMaxSize big,
 376                                                 // so all thumbs less than or equal that are shown.
 377                                                 if ( ( ( $size[0] <= $width_orig && $size[1] <= $height_orig )
 378                                                                 || ( $this->displayImg->isVectorized()
 379                                                                         && max( $size[0], $size[1] ) <= $wgSVGMaxSize )
 380                                                         )
 381                                                         && $size[0] != $width && $size[1] != $height
 382                                                 ) {
 383                                                         $sizeLink = $this->makeSizeLink( $params, $size[0], $size[1] );
 384                                                         if ( $sizeLink ) {
 385                                                                 $otherSizes[] = $sizeLink;
 386                                                         }
 387                                                 }
 388                                         }
 389                                         $otherSizes = array_unique( $otherSizes );
 390
 391                                         $sizeLinkBigImagePreview = $this->makeSizeLink( $params, $width, $height );
 392                                         $msgsmall = $this->getThumbPrevText( $params, $sizeLinkBigImagePreview );
 393                                         if ( count( $otherSizes ) ) {
 394                                                 $msgsmall .= ' ' .
 395                                                 Html::rawElement(
 396                                                         'span',
 397                                                         [ 'class' => 'mw-filepage-other-resolutions' ],
 398                                                         $this->getContext()->msg( 'show-big-image-other' )
 399                                                                 ->rawParams( $lang->pipeList( $otherSizes ) )
 400                                                                 ->params( count( $otherSizes ) )
 401                                                                 ->parse()
 402                                                 );
 403                                         }
 404                                 } elseif ( $width == 0 && $height == 0 ) {
 405                                         # Some sort of audio file that doesn't have dimensions
 406                                         # Don't output a no hi res message for such a file
 407                                         $msgsmall = '';
 408                                 } else {
 409                                         # Image is small enough to show full size on image page
 410                                         $msgsmall = $this->getContext()->msg( 'file-nohires' )->parse();
 411                                 }
 412
 413                                 $params['width'] = $width;
 414                                 $params['height'] = $height;
 415                                 $thumbnail = $this->displayImg->transform( $params );
 416                                 Linker::processResponsiveImages( $this->displayImg, $thumbnail, $params );
 417
 418                                 $anchorclose = Html::rawElement(
 419                                         'div',
 420                                         [ 'class' => 'mw-filepage-resolutioninfo' ],
 421                                         $msgsmall
 422                                 );
 423
 424                                 $isMulti = $this->displayImg->isMultipage() && $this->displayImg->pageCount() > 1;
 425                                 if ( $isMulti ) {
 426                                         $out->addModules( 'mediawiki.page.image.pagination' );
 427                                         $out->addHTML( '<table class="multipageimage"><tr><td>' );
 428                                 }
 429
 430                                 if ( $thumbnail ) {
 431                                         $options = [
 432                                                 'alt' => $this->displayImg->getTitle()->getPrefixedText(),
 433                                                 'file-link' => true,
 434                                         ];
 435                                         $out->addHTML( '<div class="fullImageLink" id="file">' .
 436                                                 $thumbnail->toHtml( $options ) .
 437                                                 $anchorclose . "</div>\n" );
 438                                 }
 439
 440                                 if ( $isMulti ) {
 441                                         $count = $this->displayImg->pageCount();
 442
 443                                         if ( $page > 1 ) {
 444                                                 $label = $out->parse( $this->getContext()->msg( 'imgmultipageprev' )->text(), false );
 445                                                 // on the client side, this link is generated in ajaxifyPageNavigation()
 446                                                 // in the mediawiki.page.image.pagination module
 447                                                 $link = Linker::linkKnown(
 448                                                         $this->getTitle(),
 449                                                         $label,
 450                                                         [],
 451                                                         [ 'page' => $page - 1 ]
 452                                                 );
 453                                                 $thumb1 = Linker::makeThumbLinkObj(
 454                                                         $this->getTitle(),
 455                                                         $this->displayImg,
 456                                                         $link,
 457                                                         $label,
 458                                                         'none',
 459                                                         [ 'page' => $page - 1 ]
 460                                                 );
 461                                         } else {
 462                                                 $thumb1 = '';
 463                                         }
 464
 465                                         if ( $page < $count ) {
 466                                                 $label = $this->getContext()->msg( 'imgmultipagenext' )->text();
 467                                                 $link = Linker::linkKnown(
 468                                                         $this->getTitle(),
 469                                                         $label,
 470                                                         [],
 471                                                         [ 'page' => $page + 1 ]
 472                                                 );
 473                                                 $thumb2 = Linker::makeThumbLinkObj(
 474                                                         $this->getTitle(),
 475                                                         $this->displayImg,
 476                                                         $link,
 477                                                         $label,
 478                                                         'none',
 479                                                         [ 'page' => $page + 1 ]
 480                                                 );
 481                                         } else {
 482                                                 $thumb2 = '';
 483                                         }
 484
 485                                         global $wgScript;
 486
 487                                         $formParams = [
 488                                                 'name' => 'pageselector',
 489                                                 'action' => $wgScript,
 490                                         ];
 491                                         $options = [];
 492                                         for ( $i = 1; $i <= $count; $i++ ) {
 493                                                 $options[] = Xml::option( $lang->formatNum( $i ), $i, $i == $page );
 494                                         }
 495                                         $select = Xml::tags( 'select',
 496                                                 [ 'id' => 'pageselector', 'name' => 'page' ],
 497                                                 implode( "\n", $options ) );
 498
 499                                         $out->addHTML(
 500                                                 '</td><td><div class="multipageimagenavbox">' .
 501                                                 Xml::openElement( 'form', $formParams ) .
 502                                                 Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) .
 503                                                 $this->getContext()->msg( 'imgmultigoto' )->rawParams( $select )->parse() .
 504                                                 Xml::submitButton( $this->getContext()->msg( 'imgmultigo' )->text() ) .
 505                                                 Xml::closeElement( 'form' ) .
 506                                                 "<hr />$thumb1\n$thumb2<br style=\"clear: both\" /></div></td></tr></table>"
 507                                         );
 508                                 }
 509                         } elseif ( $this->displayImg->isSafeFile() ) {
 510                                 # if direct link is allowed but it's not a renderable image, show an icon.
 511                                 $icon = $this->displayImg->iconThumb();
 512
 513                                 $out->addHTML( '<div class="fullImageLink" id="file">' .
 514                                         $icon->toHtml( [ 'file-link' => true ] ) .
 515                                         "</div>\n" );
 516                         }
 517
 518                         $longDesc = $this->getContext()->msg( 'parentheses', $this->displayImg->getLongDesc() )->text();
 519
 520                         $handler = $this->displayImg->getHandler();
 521
 522                         // If this is a filetype with potential issues, warn the user.
 523                         if ( $handler ) {
 524                                 $warningConfig = $handler->getWarningConfig( $this->displayImg );
 525
 526                                 if ( $warningConfig !== null ) {
 527                                         // The warning will be displayed via CSS and JavaScript.
 528                                         // We just need to tell the client side what message to use.
 529                                         $output = $this->getContext()->getOutput();
 530                                         $output->addJsConfigVars( 'wgFileWarning', $warningConfig );
 531                                         $output->addModules( $warningConfig['module'] );
 532                                         $output->addModules( 'mediawiki.filewarning' );
 533                                 }
 534                         }
 535
 536                         $medialink = "[[Media:$filename|$linktext]]";
 537
 538                         if ( !$this->displayImg->isSafeFile() ) {
 539                                 $warning = $this->getContext()->msg( 'mediawarning' )->plain();
 540                                 // dirmark is needed here to separate the file name, which
 541                                 // most likely ends in Latin characters, from the description,
 542                                 // which may begin with the file type. In RTL environment
 543                                 // this will get messy.
 544                                 // The dirmark, however, must not be immediately adjacent
 545                                 // to the filename, because it can get copied with it.
 546                                 // See bug 25277.
 547                                 // @codingStandardsIgnoreStart Ignore long line
 548                                 $out->addWikiText( <<<EOT
 549 <div class="fullMedia"><span class="dangerousLink">{$medialink}</span> $dirmark<span class="fileInfo">$longDesc</span></div>
 550 <div class="mediaWarning">$warning</div>
 551 EOT
 552                                 );
 553                                 // @codingStandardsIgnoreEnd
 554                         } else {
 555                                 $out->addWikiText( <<<EOT
 556 <div class="fullMedia">{$medialink} {$dirmark}<span class="fileInfo">$longDesc</span>
 557 </div>
 558 EOT
 559                                 );
 560                         }
 561
 562                         $renderLangOptions = $this->displayImg->getAvailableLanguages();
 563                         if ( count( $renderLangOptions ) >= 1 ) {
 564                                 $currentLanguage = $renderLang;
 565                                 $defaultLang = $this->displayImg->getDefaultRenderLanguage();
 566                                 if ( is_null( $currentLanguage ) ) {
 567                                         $currentLanguage = $defaultLang;
 568                                 }
 569                                 $out->addHTML( $this->doRenderLangOpt( $renderLangOptions, $currentLanguage, $defaultLang ) );
 570                         }
 571
 572                         // Add cannot animate thumbnail warning
 573                         if ( !$this->displayImg->canAnimateThumbIfAppropriate() ) {
 574                                 // Include the extension so wiki admins can
 575                                 // customize it on a per file-type basis
 576                                 // (aka say things like use format X instead).
 577                                 // additionally have a specific message for
 578                                 // file-no-thumb-animation-gif
 579                                 $ext = $this->displayImg->getExtension();
 580                                 $noAnimMesg = wfMessageFallback(
 581                                         'file-no-thumb-animation-' . $ext,
 582                                         'file-no-thumb-animation'
 583                                 )->plain();
 584
 585                                 $out->addWikiText( <<<EOT
 586 <div class="mw-noanimatethumb">{$noAnimMesg}</div>
 587 EOT
 588                                 );
 589                         }
 590
 591                         if ( !$this->displayImg->isLocal() ) {
 592                                 $this->printSharedImageText();
 593                         }
 594                 } else {
 595                         # Image does not exist
 596                         if ( !$this->getId() ) {
 597                                 # No article exists either
 598                                 # Show deletion log to be consistent with normal articles
 599                                 LogEventsList::showLogExtract(
 600                                         $out,
 601                                         [ 'delete', 'move' ],
 602                                         $this->getTitle()->getPrefixedText(),
 603                                         '',
 604                                         [ 'lim' => 10,
 605                                                 'conds' => [ "log_action != 'revision'" ],
 606                                                 'showIfEmpty' => false,
 607                                                 'msgKey' => [ 'moveddeleted-notice' ]
 608                                         ]
 609                                 );
 610                         }
 611
 612                         if ( $wgEnableUploads && $user->isAllowed( 'upload' ) ) {
 613                                 // Only show an upload link if the user can upload
 614                                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 615                                 $nofile = [
 616                                         'filepage-nofile-link',
 617                                         $uploadTitle->getFullURL( [ 'wpDestFile' => $this->mPage->getFile()->getName() ] )
 618                                 ];
 619                         } else {
 620                                 $nofile = 'filepage-nofile';
 621                         }
 622                         // Note, if there is an image description page, but
 623                         // no image, then this setRobotPolicy is overridden
 624                         // by Article::View().
 625                         $out->setRobotPolicy( 'noindex,nofollow' );
 626                         $out->wrapWikiMsg( "<div id='mw-imagepage-nofile' class='plainlinks'>\n$1\n</div>", $nofile );
 627                         if ( !$this->getId() && $wgSend404Code ) {
 628                                 // If there is no image, no shared image, and no description page,
 629                                 // output a 404, to be consistent with Article::showMissingArticle.
 630                                 $request->response()->statusHeader( 404 );
 631                         }
 632                 }
 633                 $out->setFileVersion( $this->displayImg );
 634         }
 635
 636         /**
 637          * Make the text under the image to say what size preview
 638          *
 639          * @param $params array parameters for thumbnail
 640          * @param $sizeLinkBigImagePreview HTML for the current size
 641          * @return string HTML output
 642          */
 643         private function getThumbPrevText( $params, $sizeLinkBigImagePreview ) {
 644                 if ( $sizeLinkBigImagePreview ) {
 645                         // Show a different message of preview is different format from original.
 646                         $previewTypeDiffers = false;
 647                         $origExt = $thumbExt = $this->displayImg->getExtension();
 648                         if ( $this->displayImg->getHandler() ) {
 649                                 $origMime = $this->displayImg->getMimeType();
 650                                 $typeParams = $params;
 651                                 $this->displayImg->getHandler()->normaliseParams( $this->displayImg, $typeParams );
 652                                 list( $thumbExt, $thumbMime ) = $this->displayImg->getHandler()->getThumbType(
 653                                         $origExt, $origMime, $typeParams );
 654                                 if ( $thumbMime !== $origMime ) {
 655                                         $previewTypeDiffers = true;
 656                                 }
 657                         }
 658                         if ( $previewTypeDiffers ) {
 659                                 return $this->getContext()->msg( 'show-big-image-preview-differ' )->
 660                                         rawParams( $sizeLinkBigImagePreview )->
 661                                         params( strtoupper( $origExt ) )->
 662                                         params( strtoupper( $thumbExt ) )->
 663                                         parse();
 664                         } else {
 665                                 return $this->getContext()->msg( 'show-big-image-preview' )->
 666                                         rawParams( $sizeLinkBigImagePreview )->
 667                                 parse();
 668                         }
 669                 } else {
 670                         return '';
 671                 }
 672         }
 673
 674         /**
 675          * Creates an thumbnail of specified size and returns an HTML link to it
 676          * @param array $params Scaler parameters
 677          * @param int $width
 678          * @param int $height
 679          * @return string
 680          */
 681         private function makeSizeLink( $params, $width, $height ) {
 682                 $params['width'] = $width;
 683                 $params['height'] = $height;
 684                 $thumbnail = $this->displayImg->transform( $params );
 685                 if ( $thumbnail && !$thumbnail->isError() ) {
 686                         return Html::rawElement( 'a', [
 687                                 'href' => $thumbnail->getUrl(),
 688                                 'class' => 'mw-thumbnail-link'
 689                                 ], $this->getContext()->msg( 'show-big-image-size' )->numParams(
 690                                         $thumbnail->getWidth(), $thumbnail->getHeight()
 691                                 )->parse() );
 692                 } else {
 693                         return '';
 694                 }
 695         }
 696
 697         /**
 698          * Show a notice that the file is from a shared repository
 699          */
 700         protected function printSharedImageText() {
 701                 $out = $this->getContext()->getOutput();
 702                 $this->loadFile();
 703
 704                 $descUrl = $this->mPage->getFile()->getDescriptionUrl();
 705                 $descText = $this->mPage->getFile()->getDescriptionText( $this->getContext()->getLanguage() );
 706
 707                 /* Add canonical to head if there is no local page for this shared file */
 708                 if ( $descUrl && $this->mPage->getId() == 0 ) {
 709                         $out->setCanonicalUrl( $descUrl );
 710                 }
 711
 712                 $wrap = "<div class=\"sharedUploadNotice\">\n$1\n</div>\n";
 713                 $repo = $this->mPage->getFile()->getRepo()->getDisplayName();
 714
 715                 if ( $descUrl &&
 716                         $descText &&
 717                         $this->getContext()->msg( 'sharedupload-desc-here' )->plain() !== '-'
 718                 ) {
 719                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-here', $repo, $descUrl ] );
 720                 } elseif ( $descUrl &&
 721                         $this->getContext()->msg( 'sharedupload-desc-there' )->plain() !== '-'
 722                 ) {
 723                         $out->wrapWikiMsg( $wrap, [ 'sharedupload-desc-there', $repo, $descUrl ] );
 724                 } else {
 725                         $out->wrapWikiMsg( $wrap, [ 'sharedupload', $repo ], ''/*BACKCOMPAT*/ );
 726                 }
 727
 728                 if ( $descText ) {
 729                         $this->mExtraDescription = $descText;
 730                 }
 731         }
 732
 733         public function getUploadUrl() {
 734                 $this->loadFile();
 735                 $uploadTitle = SpecialPage::getTitleFor( 'Upload' );
 736                 return $uploadTitle->getFullURL( [
 737                         'wpDestFile' => $this->mPage->getFile()->getName(),
 738                         'wpForReUpload' => 1
 739                 ] );
 740         }
 741
 742         /**
 743          * Print out the various links at the bottom of the image page, e.g. reupload,
 744          * external editing (and instructions link) etc.
 745          */
 746         protected function uploadLinksBox() {
 747                 global $wgEnableUploads;
 748
 749                 if ( !$wgEnableUploads ) {
 750                         return;
 751                 }
 752
 753                 $this->loadFile();
 754                 if ( !$this->mPage->getFile()->isLocal() ) {
 755                         return;
 756                 }
 757
 758                 $out = $this->getContext()->getOutput();
 759                 $out->addHTML( "<ul>\n" );
 760
 761                 # "Upload a new version of this file" link
 762                 $canUpload = $this->getTitle()->quickUserCan( 'upload', $this->getContext()->getUser() );
 763                 if ( $canUpload && UploadBase::userCanReUpload(
 764                                 $this->getContext()->getUser(),
 765                                 $this->mPage->getFile() )
 766                 ) {
 767                         $ulink = Linker::makeExternalLink(
 768                                 $this->getUploadUrl(),
 769                                 $this->getContext()->msg( 'uploadnewversion-linktext' )->text()
 770                         );
 771                         $out->addHTML( "<li id=\"mw-imagepage-reupload-link\">"
 772                                 . "<div class=\"plainlinks\">{$ulink}</div></li>\n" );
 773                 } else {
 774                         $out->addHTML( "<li id=\"mw-imagepage-upload-disallowed\">"
 775                                 . $this->getContext()->msg( 'upload-disallowed-here' )->escaped() . "</li>\n" );
 776                 }
 777
 778                 $out->addHTML( "</ul>\n" );
 779         }
 780
 781         /**
 782          * For overloading
 783          */
 784         protected function closeShowImage() {
 785         }
 786
 787         /**
 788          * If the page we've just displayed is in the "Image" namespace,
 789          * we follow it with an upload history of the image and its usage.
 790          */
 791         protected function imageHistory() {
 792                 $this->loadFile();
 793                 $out = $this->getContext()->getOutput();
 794                 $pager = new ImageHistoryPseudoPager( $this );
 795                 $out->addHTML( $pager->getBody() );
 796                 $out->preventClickjacking( $pager->getPreventClickjacking() );
 797
 798                 $this->mPage->getFile()->resetHistory(); // free db resources
 799
 800                 # Exist check because we don't want to show this on pages where an image
 801                 # doesn't exist along with the noimage message, that would suck. -ævar
 802                 if ( $this->mPage->getFile()->exists() ) {
 803                         $this->uploadLinksBox();
 804                 }
 805         }
 806
 807         /**
 808          * @param string $target
 809          * @param int $limit
 810          * @return ResultWrapper
 811          */
 812         protected function queryImageLinks( $target, $limit ) {
 813                 $dbr = wfGetDB( DB_SLAVE );
 814
 815                 return $dbr->select(
 816                         [ 'imagelinks', 'page' ],
 817                         [ 'page_namespace', 'page_title', 'il_to' ],
 818                         [ 'il_to' => $target, 'il_from = page_id' ],
 819                         __METHOD__,
 820                         [ 'LIMIT' => $limit + 1, 'ORDER BY' => 'il_from', ]
 821                 );
 822         }
 823
 824         protected function imageLinks() {
 825                 $limit = 100;
 826
 827                 $out = $this->getContext()->getOutput();
 828
 829                 $rows = [];
 830                 $redirects = [];
 831                 foreach ( $this->getTitle()->getRedirectsHere( NS_FILE ) as $redir ) {
 832                         $redirects[$redir->getDBkey()] = [];
 833                         $rows[] = (object)[
 834                                 'page_namespace' => NS_FILE,
 835                                 'page_title' => $redir->getDBkey(),
 836                         ];
 837                 }
 838
 839                 $res = $this->queryImageLinks( $this->getTitle()->getDBkey(), $limit + 1 );
 840                 foreach ( $res as $row ) {
 841                         $rows[] = $row;
 842                 }
 843                 $count = count( $rows );
 844
 845                 $hasMore = $count > $limit;
 846                 if ( !$hasMore && count( $redirects ) ) {
 847                         $res = $this->queryImageLinks( array_keys( $redirects ),
 848                                 $limit - count( $rows ) + 1 );
 849                         foreach ( $res as $row ) {
 850                                 $redirects[$row->il_to][] = $row;
 851                                 $count++;
 852                         }
 853                         $hasMore = ( $res->numRows() + count( $rows ) ) > $limit;
 854                 }
 855
 856                 if ( $count == 0 ) {
 857                         $out->wrapWikiMsg(
 858                                 Html::rawElement( 'div',
 859                                         [ 'id' => 'mw-imagepage-nolinkstoimage' ], "\n$1\n" ),
 860                                 'nolinkstoimage'
 861                         );
 862                         return;
 863                 }
 864
 865                 $out->addHTML( "<div id='mw-imagepage-section-linkstoimage'>\n" );
 866                 if ( !$hasMore ) {
 867                         $out->addWikiMsg( 'linkstoimage', $count );
 868                 } else {
 869                         // More links than the limit. Add a link to [[Special:Whatlinkshere]]
 870                         $out->addWikiMsg( 'linkstoimage-more',
 871                                 $this->getContext()->getLanguage()->formatNum( $limit ),
 872                                 $this->getTitle()->getPrefixedDBkey()
 873                         );
 874                 }
 875
 876                 $out->addHTML(
 877                         Html::openElement( 'ul',
 878                                 [ 'class' => 'mw-imagepage-linkstoimage' ] ) . "\n"
 879                 );
 880                 $count = 0;
 881
 882                 // Sort the list by namespace:title
 883                 usort( $rows, [ $this, 'compare' ] );
 884
 885                 // Create links for every element
 886                 $currentCount = 0;
 887                 foreach ( $rows as $element ) {
 888                         $currentCount++;
 889                         if ( $currentCount > $limit ) {
 890                                 break;
 891                         }
 892
 893                         $query = [];
 894                         # Add a redirect=no to make redirect pages reachable
 895                         if ( isset( $redirects[$element->page_title] ) ) {
 896                                 $query['redirect'] = 'no';
 897                         }
 898                         $link = Linker::linkKnown(
 899                                 Title::makeTitle( $element->page_namespace, $element->page_title ),
 900                                 null, [], $query
 901                         );
 902                         if ( !isset( $redirects[$element->page_title] ) ) {
 903                                 # No redirects
 904                                 $liContents = $link;
 905                         } elseif ( count( $redirects[$element->page_title] ) === 0 ) {
 906                                 # Redirect without usages
 907                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )
 908                                         ->rawParams( $link, '' )
 909                                         ->parse();
 910                         } else {
 911                                 # Redirect with usages
 912                                 $li = '';
 913                                 foreach ( $redirects[$element->page_title] as $row ) {
 914                                         $currentCount++;
 915                                         if ( $currentCount > $limit ) {
 916                                                 break;
 917                                         }
 918
 919                                         $link2 = Linker::linkKnown( Title::makeTitle( $row->page_namespace, $row->page_title ) );
 920                                         $li .= Html::rawElement(
 921                                                 'li',
 922                                                 [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 923                                                 $link2
 924                                                 ) . "\n";
 925                                 }
 926
 927                                 $ul = Html::rawElement(
 928                                         'ul',
 929                                         [ 'class' => 'mw-imagepage-redirectstofile' ],
 930                                         $li
 931                                         ) . "\n";
 932                                 $liContents = $this->getContext()->msg( 'linkstoimage-redirect' )->rawParams(
 933                                         $link, $ul )->parse();
 934                         }
 935                         $out->addHTML( Html::rawElement(
 936                                         'li',
 937                                         [ 'class' => 'mw-imagepage-linkstoimage-ns' . $element->page_namespace ],
 938                                         $liContents
 939                                 ) . "\n"
 940                         );
 941
 942                 };
 943                 $out->addHTML( Html::closeElement( 'ul' ) . "\n" );
 944                 $res->free();
 945
 946                 // Add a links to [[Special:Whatlinkshere]]
 947                 if ( $count > $limit ) {
 948                         $out->addWikiMsg( 'morelinkstoimage', $this->getTitle()->getPrefixedDBkey() );
 949                 }
 950                 $out->addHTML( Html::closeElement( 'div' ) . "\n" );
 951         }
 952
 953         protected function imageDupes() {
 954                 $this->loadFile();
 955                 $out = $this->getContext()->getOutput();
 956
 957                 $dupes = $this->mPage->getDuplicates();
 958                 if ( count( $dupes ) == 0 ) {
 959                         return;
 960                 }
 961
 962                 $out->addHTML( "<div id='mw-imagepage-section-duplicates'>\n" );
 963                 $out->addWikiMsg( 'duplicatesoffile',
 964                         $this->getContext()->getLanguage()->formatNum( count( $dupes ) ), $this->getTitle()->getDBkey()
 965                 );
 966                 $out->addHTML( "<ul class='mw-imagepage-duplicates'>\n" );
 967
 968                 /**
 969                  * @var $file File
 970                  */
 971                 foreach ( $dupes as $file ) {
 972                         $fromSrc = '';
 973                         if ( $file->isLocal() ) {
 974                                 $link = Linker::linkKnown( $file->getTitle() );
 975                         } else {
 976                                 $link = Linker::makeExternalLink( $file->getDescriptionUrl(),
 977                                         $file->getTitle()->getPrefixedText() );
 978                                 $fromSrc = $this->getContext()->msg(
 979                                         'shared-repo-from',
 980                                         $file->getRepo()->getDisplayName()
 981                                 )->text();
 982                         }
 983                         $out->addHTML( "<li>{$link} {$fromSrc}</li>\n" );
 984                 }
 985                 $out->addHTML( "</ul></div>\n" );
 986         }
 987
 988         /**
 989          * Delete the file, or an earlier version of it
 990          */
 991         public function delete() {
 992                 $file = $this->mPage->getFile();
 993                 if ( !$file->exists() || !$file->isLocal() || $file->getRedirected() ) {
 994                         // Standard article deletion
 995                         parent::delete();
 996                         return;
 997                 }
 998
 999                 $deleter = new FileDeleteForm( $file );
1000                 $deleter->execute();
1001         }
1002
1003         /**
1004          * Display an error with a wikitext description
1005          *
1006          * @param string $description
1007          */
1008         function showError( $description ) {
1009                 $out = $this->getContext()->getOutput();
1010                 $out->setPageTitle( $this->getContext()->msg( 'internalerror' ) );
1011                 $out->setRobotPolicy( 'noindex,nofollow' );
1012                 $out->setArticleRelated( false );
1013                 $out->enableClientCache( false );
1014                 $out->addWikiText( $description );
1015         }
1016
1017         /**
1018          * Callback for usort() to do link sorts by (namespace, title)
1019          * Function copied from Title::compare()
1020          *
1021          * @param object $a Object page to compare with
1022          * @param object $b Object page to compare with
1023          * @return int Result of string comparison, or namespace comparison
1024          */
1025         protected function compare( $a, $b ) {
1026                 if ( $a->page_namespace == $b->page_namespace ) {
1027                         return strcmp( $a->page_title, $b->page_title );
1028                 } else {
1029                         return $a->page_namespace - $b->page_namespace;
1030                 }
1031         }
1032
1033         /**
1034          * Returns the corresponding $wgImageLimits entry for the selected user option
1035          *
1036          * @param User $user
1037          * @param string $optionName Name of a option to check, typically imagesize or thumbsize
1038          * @return array
1039          * @since 1.21
1040          */
1041         public function getImageLimitsFromOption( $user, $optionName ) {
1042                 global $wgImageLimits;
1043
1044                 $option = $user->getIntOption( $optionName );
1045                 if ( !isset( $wgImageLimits[$option] ) ) {
1046                         $option = User::getDefaultOption( $optionName );
1047                 }
1048
1049                 // The user offset might still be incorrect, specially if
1050                 // $wgImageLimits got changed (see bug #8858).
1051                 if ( !isset( $wgImageLimits[$option] ) ) {
1052                         // Default to the first offset in $wgImageLimits
1053                         $option = 0;
1054                 }
1055
1056                 return isset( $wgImageLimits[$option] )
1057                         ? $wgImageLimits[$option]
1058                         : [ 800, 600 ]; // if nothing is set, fallback to a hardcoded default
1059         }
1060
1061         /**
1062          * Output a drop-down box for language options for the file
1063          *
1064          * @param array $langChoices Array of string language codes
1065          * @param string $curLang Language code file is being viewed in.
1066          * @param string $defaultLang Language code that image is rendered in by default
1067          * @return string HTML to insert underneath image.
1068          */
1069         protected function doRenderLangOpt( array $langChoices, $curLang, $defaultLang ) {
1070                 global $wgScript;
1071                 sort( $langChoices );
1072                 $curLang = wfBCP47( $curLang );
1073                 $defaultLang = wfBCP47( $defaultLang );
1074                 $opts = '';
1075                 $haveCurrentLang = false;
1076                 $haveDefaultLang = false;
1077
1078                 // We make a list of all the language choices in the file.
1079                 // Additionally if the default language to render this file
1080                 // is not included as being in this file (for example, in svgs
1081                 // usually the fallback content is the english content) also
1082                 // include a choice for that. Last of all, if we're viewing
1083                 // the file in a language not on the list, add it as a choice.
1084                 foreach ( $langChoices as $lang ) {
1085                         $code = wfBCP47( $lang );
1086                         $name = Language::fetchLanguageName( $code, $this->getContext()->getLanguage()->getCode() );
1087                         if ( $name !== '' ) {
1088                                 $display = $this->getContext()->msg( 'img-lang-opt', $code, $name )->text();
1089                         } else {
1090                                 $display = $code;
1091                         }
1092                         $opts .= "\n" . Xml::option( $display, $code, $curLang === $code );
1093                         if ( $curLang === $code ) {
1094                                 $haveCurrentLang = true;
1095                         }
1096                         if ( $defaultLang === $code ) {
1097                                 $haveDefaultLang = true;
1098                         }
1099                 }
1100                 if ( !$haveDefaultLang ) {
1101                         // Its hard to know if the content is really in the default language, or
1102                         // if its just unmarked content that could be in any language.
1103                         $opts = Xml::option(
1104                                         $this->getContext()->msg( 'img-lang-default' )->text(),
1105                                 $defaultLang,
1106                                 $defaultLang === $curLang
1107                         ) . $opts;
1108                 }
1109                 if ( !$haveCurrentLang && $defaultLang !== $curLang ) {
1110                         $name = Language::fetchLanguageName( $curLang, $this->getContext()->getLanguage()->getCode() );
1111                         if ( $name !== '' ) {
1112                                 $display = $this->getContext()->msg( 'img-lang-opt', $curLang, $name )->text();
1113                         } else {
1114                                 $display = $curLang;
1115                         }
1116                         $opts = Xml::option( $display, $curLang, true ) . $opts;
1117                 }
1118
1119                 $select = Html::rawElement(
1120                         'select',
1121                         [ 'id' => 'mw-imglangselector', 'name' => 'lang' ],
1122                         $opts
1123                 );
1124                 $submit = Xml::submitButton( $this->getContext()->msg( 'img-lang-go' )->text() );
1125
1126                 $formContents = $this->getContext()->msg( 'img-lang-info' )
1127                         ->rawParams( $select, $submit )
1128                         ->parse();
1129                 $formContents .= Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() );
1130
1131                 $langSelectLine = Html::rawElement( 'div', [ 'id' => 'mw-imglangselector-line' ],
1132                         Html::rawElement( 'form', [ 'action' => $wgScript ], $formContents )
1133                 );
1134                 return $langSelectLine;
1135         }
1136
1137         /**
1138          * Get the width and height to display image at.
1139          *
1140          * @note This method assumes that it is only called if one
1141          *  of the dimensions are bigger than the max, or if the
1142          *  image is vectorized.
1143          *
1144          * @param int $maxWidth Max width to display at
1145          * @param int $maxHeight Max height to display at
1146          * @param int $width Actual width of the image
1147          * @param int $height Actual height of the image
1148          * @throws MWException
1149          * @return array Array (width, height)
1150          */
1151         protected function getDisplayWidthHeight( $maxWidth, $maxHeight, $width, $height ) {
1152                 if ( !$maxWidth || !$maxHeight ) {
1153                         // should never happen
1154                         throw new MWException( 'Using a choice from $wgImageLimits that is 0x0' );
1155                 }
1156
1157                 if ( !$width || !$height ) {
1158                         return [ 0, 0 ];
1159                 }
1160
1161                 # Calculate the thumbnail size.
1162                 if ( $width <= $maxWidth && $height <= $maxHeight ) {
1163                         // Vectorized image, do nothing.
1164                 } elseif ( $width / $height >= $maxWidth / $maxHeight ) {
1165                         # The limiting factor is the width, not the height.
1166                         $height = round( $height * $maxWidth / $width );
1167                         $width = $maxWidth;
1168                         # Note that $height <= $maxHeight now.
1169                 } else {
1170                         $newwidth = floor( $width * $maxHeight / $height );
1171                         $height = round( $height * $newwidth / $width );
1172                         $width = $newwidth;
1173                         # Note that $height <= $maxHeight now, but might not be identical
1174                         # because of rounding.
1175                 }
1176                 return [ $width, $height ];
1177         }
1178
1179         /**
1180          * Get alternative thumbnail sizes.
1181          *
1182          * @note This will only list several alternatives if thumbnails are rendered on 404
1183          * @param int $origWidth Actual width of image
1184          * @param int $origHeight Actual height of image
1185          * @return array An array of [width, height] pairs.
1186          */
1187         protected function getThumbSizes( $origWidth, $origHeight ) {
1188                 global $wgImageLimits;
1189                 if ( $this->displayImg->getRepo()->canTransformVia404() ) {
1190                         $thumbSizes = $wgImageLimits;
1191                         // Also include the full sized resolution in the list, so
1192                         // that users know they can get it. This will link to the
1193                         // original file asset if mustRender() === false. In the case
1194                         // that we mustRender, some users have indicated that they would
1195                         // find it useful to have the full size image in the rendered
1196                         // image format.
1197                         $thumbSizes[] = [ $origWidth, $origHeight ];
1198                 } else {
1199                         # Creating thumb links triggers thumbnail generation.
1200                         # Just generate the thumb for the current users prefs.
1201                         $thumbSizes = [
1202                                 $this->getImageLimitsFromOption( $this->getContext()->getUser(), 'thumbsize' )
1203                         ];
1204                         if ( !$this->displayImg->mustRender() ) {
1205                                 // We can safely include a link to the "full-size" preview,
1206                                 // without actually rendering.
1207                                 $thumbSizes[] = [ $origWidth, $origHeight ];
1208                         }
1209                 }
1210                 return $thumbSizes;
1211         }
1212
1213         /**
1214          * @see WikiFilePage::getFile
1215          * @return bool|File
1216          */
1217         public function getFile() {
1218                 return $this->mPage->getFile();
1219         }
1220
1221         /**
1222          * @see WikiFilePage::isLocal
1223          * @return bool
1224          */
1225         public function isLocal() {
1226                 return $this->mPage->isLocal();
1227         }
1228
1229         /**
1230          * @see WikiFilePage::getDuplicates
1231          * @return array|null
1232          */
1233         public function getDuplicates() {
1234                 return $this->mPage->getDuplicates();
1235         }
1236
1237         /**
1238          * @see WikiFilePage::getForeignCategories
1239          * @return TitleArray|Title[]
1240          */
1241         public function getForeignCategories() {
1242                 $this->mPage->getForeignCategories();
1243         }
1244
1245 }