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