includes/page/ImagePage.php

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