* Changed ParserOptions to store a Language object instead of only a string, avoids...
[lhc/web/wiklou.git] / includes / Preferences.php
index 9f4e5b2..bfdc538 100644 (file)
@@ -39,25 +39,26 @@ class Preferences {
        /**
         * @throws MWException
         * @param $user User
+        * @param $context IContextSource
         * @return array|null
         */
-       static function getPreferences( $user ) {
+       static function getPreferences( $user, IContextSource $context ) {
                if ( self::$defaultPreferences ) {
                        return self::$defaultPreferences;
                }
 
                $defaultPreferences = array();
 
-               self::profilePreferences( $user, $defaultPreferences );
-               self::skinPreferences( $user, $defaultPreferences );
-               self::filesPreferences( $user, $defaultPreferences );
-               self::datetimePreferences( $user, $defaultPreferences );
-               self::renderingPreferences( $user, $defaultPreferences );
-               self::editingPreferences( $user, $defaultPreferences );
-               self::rcPreferences( $user, $defaultPreferences );
-               self::watchlistPreferences( $user, $defaultPreferences );
-               self::searchPreferences( $user, $defaultPreferences );
-               self::miscPreferences( $user, $defaultPreferences );
+               self::profilePreferences( $user, $context, $defaultPreferences );
+               self::skinPreferences( $user, $context, $defaultPreferences );
+               self::filesPreferences( $user, $context, $defaultPreferences );
+               self::datetimePreferences( $user, $context, $defaultPreferences );
+               self::renderingPreferences( $user, $context, $defaultPreferences );
+               self::editingPreferences( $user, $context, $defaultPreferences );
+               self::rcPreferences( $user, $context, $defaultPreferences );
+               self::watchlistPreferences( $user, $context, $defaultPreferences );
+               self::searchPreferences( $user, $context, $defaultPreferences );
+               self::miscPreferences( $user, $context, $defaultPreferences );
 
                wfRunHooks( 'GetPreferences', array( $user, &$defaultPreferences ) );
 
@@ -127,11 +128,16 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences
         * @return void
         */
-       static function profilePreferences( $user, &$defaultPreferences ) {
-               global $wgLang;
+       static function profilePreferences( $user, IContextSource $context, &$defaultPreferences ) {
+               global $wgAuth, $wgContLang, $wgParser, $wgCookieExpiration, $wgLanguageCode,
+                       $wgDisableTitleConversion, $wgDisableLangConversion, $wgMaxSigChars,
+                       $wgEnableEmail, $wgEmailConfirmToEdit, $wgEnableUserEmail, $wgEmailAuthentication,
+                       $wgEnotifWatchlist, $wgEnotifUserTalk, $wgEnotifRevealEditorAddress;
+
                ## User info #####################################
                // Information panel
                $defaultPreferences['username'] = array(
@@ -159,23 +165,22 @@ class Preferences {
                        $groupName  = User::getGroupName( $ueg );
                        $userGroups[] = User::makeGroupLinkHTML( $ueg, $groupName );
 
-                       $memberName = User::getGroupMember( $ueg );
+                       $memberName = User::getGroupMember( $ueg, $user->getName() );
                        $userMembers[] = User::makeGroupLinkHTML( $ueg, $memberName );
                }
                asort( $userGroups );
                asort( $userMembers );
 
+               $lang = $context->getLang();
+
                $defaultPreferences['usergroups'] = array(
                        'type' => 'info',
-                       'label' => wfMsgExt(
-                               'prefs-memberingroups', 'parseinline',
-                               $wgLang->formatNum( count( $userGroups ) )
-                       ),
-                       'default' => wfMsgExt(
-                               'prefs-memberingroups-type', array(),
-                               $wgLang->commaList( $userGroups ),
-                               $wgLang->commaList( $userMembers )
-                       ),
+                       'label' => $context->msg( 'prefs-memberingroups' )->numParams(
+                               count( $userGroups ) )->parse(),
+                       'default' => $context->msg( 'prefs-memberingroups-type',
+                               $lang->commaList( $userGroups ),
+                               $lang->commaList( $userMembers )
+                       )->plain(),
                        'raw' => true,
                        'section' => 'personal/info',
                );
@@ -183,7 +188,7 @@ class Preferences {
                $defaultPreferences['editcount'] = array(
                        'type' => 'info',
                        'label-message' => 'prefs-edits',
-                       'default' => $wgLang->formatNum( $user->getEditCount() ),
+                       'default' => $lang->formatNum( $user->getEditCount() ),
                        'section' => 'personal/info',
                );
 
@@ -191,18 +196,17 @@ class Preferences {
                        $defaultPreferences['registrationdate'] = array(
                                'type' => 'info',
                                'label-message' => 'prefs-registration',
-                               'default' => wfMsgExt(
-                                       'prefs-registration-date-time', 'parsemag',
-                                       $wgLang->timeanddate( $user->getRegistration(), true ),
-                                       $wgLang->date( $user->getRegistration(), true ),
-                                       $wgLang->time( $user->getRegistration(), true )
-                               ),
+                               'default' => $context->msg(
+                                       'prefs-registration-date-time',
+                                       $lang->timeanddate( $user->getRegistration(), true ),
+                                       $lang->date( $user->getRegistration(), true ),
+                                       $lang->time( $user->getRegistration(), true )
+                               )->parse(),
                                'section' => 'personal/info',
                        );
                }
 
                // Actually changeable stuff
-               global $wgAuth;
                $defaultPreferences['realname'] = array(
                        'type' => $wgAuth->allowPropChange( 'realname' ) ? 'text' : 'info',
                        'default' => $user->getRealName(),
@@ -215,9 +219,9 @@ class Preferences {
                        'type' => 'select',
                        'section' => 'personal/info',
                        'options' => array(
-                               wfMsg( 'gender-male' ) => 'male',
-                               wfMsg( 'gender-female' ) => 'female',
-                               wfMsg( 'gender-unknown' ) => 'unknown',
+                               $context->msg( 'gender-male' )->text() => 'male',
+                               $context->msg( 'gender-female' )->text() => 'female',
+                               $context->msg( 'gender-unknown' )->text() => 'unknown',
                        ),
                        'label-message' => 'yourgender',
                        'help-message' => 'prefs-help-gender',
@@ -225,7 +229,7 @@ class Preferences {
 
                if ( $wgAuth->allowPasswordChange() ) {
                        $link = Linker::link( SpecialPage::getTitleFor( 'ChangePassword' ),
-                               wfMsgHtml( 'prefs-resetpass' ), array(),
+                               $context->msg( 'prefs-resetpass' )->escaped(), array(),
                                array( 'returnto' => SpecialPage::getTitleFor( 'Preferences' ) ) );
 
                        $defaultPreferences['password'] = array(
@@ -236,21 +240,16 @@ class Preferences {
                                'section' => 'personal/info',
                        );
                }
-               global $wgCookieExpiration;
                if ( $wgCookieExpiration > 0 ) {
                        $defaultPreferences['rememberpassword'] = array(
                                'type' => 'toggle',
-                               'label' => wfMsgExt(
-                                       'tog-rememberpassword',
-                                       array( 'parsemag' ),
-                                       $wgLang->formatNum( ceil( $wgCookieExpiration / ( 3600 * 24 ) ) )
-                                       ),
+                               'label' => $context->msg( 'tog-rememberpassword' )->numParams(
+                                       ceil( $wgCookieExpiration / ( 3600 * 24 ) ) )->text(),
                                'section' => 'personal/info',
                        );
                }
 
                // Language
-               global $wgLanguageCode;
                $languages = Language::getLanguageNames( false );
                if ( !array_key_exists( $wgLanguageCode, $languages ) ) {
                        $languages[$wgLanguageCode] = $wgLanguageCode;
@@ -269,8 +268,6 @@ class Preferences {
                        'label-message' => 'yourlanguage',
                );
 
-               global $wgContLang, $wgDisableLangConversion;
-               global $wgDisableTitleConversion;
                /* see if there are multiple language variants to choose from*/
                $variantArray = array();
                if ( !$wgDisableLangConversion ) {
@@ -300,18 +297,16 @@ class Preferences {
 
                if ( count( $variantArray ) > 1 && !$wgDisableLangConversion && !$wgDisableTitleConversion ) {
                        $defaultPreferences['noconvertlink'] =
-                                       array(
+                               array(
                                'type' => 'toggle',
                                'section' => 'personal/i18n',
                                'label-message' => 'tog-noconvertlink',
                        );
                }
 
-               global $wgMaxSigChars, $wgOut, $wgParser;
-
                // show a preview of the old signature first
-               $oldsigWikiText = $wgParser->preSaveTransform( "~~~", new Title, $user, new ParserOptions );
-               $oldsigHTML = $wgOut->parseInline( $oldsigWikiText, true, true );
+               $oldsigWikiText = $wgParser->preSaveTransform( "~~~", $context->getTitle(), $user, ParserOptions::newFromContext( $context ) );
+               $oldsigHTML = $context->getOutput()->parseInline( $oldsigWikiText, true, true );
                $defaultPreferences['oldsig'] = array(
                        'type' => 'info',
                        'raw' => true,
@@ -336,11 +331,7 @@ class Preferences {
 
                ## Email stuff
 
-               global $wgEnableEmail;
                if ( $wgEnableEmail ) {
-                       global $wgEmailConfirmToEdit;
-                       global $wgEnableUserEmail;
-
                        $helpMessages[] = $wgEmailConfirmToEdit
                                        ? 'prefs-help-email-required'
                                        : 'prefs-help-email' ;
@@ -352,22 +343,23 @@ class Preferences {
 
                        $link = Linker::link(
                                SpecialPage::getTitleFor( 'ChangeEmail' ),
-                               wfMsgHtml( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' ),
+                               $context->msg( $user->getEmail() ? 'prefs-changeemail' : 'prefs-setemail' )->escaped(),
                                array(),
                                array( 'returnto' => SpecialPage::getTitleFor( 'Preferences' ) ) );
 
+                       $emailAddress = $user->getEmail() ? htmlspecialchars( $user->getEmail() ) : '';
+                       if ( $wgAuth->allowPropChange( 'emailaddress' ) ) {
+                               $emailAddress .= $emailAddress == '' ? $link : " ($link)";
+                       }
+
                        $defaultPreferences['emailaddress'] = array(
                                'type' => 'info',
                                'raw' => true,
-                               'default' => $user->getEmail()
-                                       ? htmlspecialchars( $user->getEmail() ) . " ($link)"
-                                       : $link,
+                               'default' => $emailAddress,
                                'label-message' => 'youremail',
                                'section' => 'personal/email',
                        );
 
-                       global $wgEmailAuthentication;
-
                        $disableEmailPrefs = false;
 
                        if ( $wgEmailAuthentication ) {
@@ -376,25 +368,23 @@ class Preferences {
                                                // date and time are separate parameters to facilitate localisation.
                                                // $time is kept for backward compat reasons.
                                                // 'emailauthenticated' is also used in SpecialConfirmemail.php
-                                               $time = $wgLang->timeAndDate( $user->getEmailAuthenticationTimestamp(), true );
-                                               $d = $wgLang->date( $user->getEmailAuthenticationTimestamp(), true );
-                                               $t = $wgLang->time( $user->getEmailAuthenticationTimestamp(), true );
-                                               $emailauthenticated = wfMsgExt(
-                                                       'emailauthenticated', 'parseinline',
-                                                       array( $time, $d, $t )
-                                               ) . '<br />';
+                                               $time = $lang->timeAndDate( $user->getEmailAuthenticationTimestamp(), true );
+                                               $d = $lang->date( $user->getEmailAuthenticationTimestamp(), true );
+                                               $t = $lang->time( $user->getEmailAuthenticationTimestamp(), true );
+                                               $emailauthenticated = $context->msg( 'emailauthenticated',
+                                                       $time, $d, $t )->parse() . '<br />';
                                                $disableEmailPrefs = false;
                                        } else {
                                                $disableEmailPrefs = true;
-                                               $emailauthenticated = wfMsgExt( 'emailnotauthenticated', 'parseinline' ) . '<br />' .
+                                               $emailauthenticated = $context->msg( 'emailnotauthenticated' )->parse() . '<br />' .
                                                        Linker::linkKnown(
                                                                SpecialPage::getTitleFor( 'Confirmemail' ),
-                                                               wfMsg( 'emailconfirmlink' )
+                                                               $context->msg( 'emailconfirmlink' )->escaped()
                                                        ) . '<br />';
                                        }
                                } else {
                                        $disableEmailPrefs = true;
-                                       $emailauthenticated = wfMsgHtml( 'noemailprefs' );
+                                       $emailauthenticated = $context->msg( 'noemailprefs' )->escaped();
                                }
 
                                $defaultPreferences['emailauthentication'] = array(
@@ -423,7 +413,6 @@ class Preferences {
                                );
                        }
 
-                       global $wgEnotifWatchlist;
                        if ( $wgEnotifWatchlist ) {
                                $defaultPreferences['enotifwatchlistpages'] = array(
                                        'type' => 'toggle',
@@ -432,7 +421,6 @@ class Preferences {
                                        'disabled' => $disableEmailPrefs,
                                );
                        }
-                       global $wgEnotifUserTalk;
                        if ( $wgEnotifUserTalk ) {
                                $defaultPreferences['enotifusertalkpages'] = array(
                                        'type' => 'toggle',
@@ -449,7 +437,6 @@ class Preferences {
                                        'disabled' => $disableEmailPrefs,
                                );
 
-                               global $wgEnotifRevealEditorAddress;
                                if ( $wgEnotifRevealEditorAddress ) {
                                        $defaultPreferences['enotifrevealaddr'] = array(
                                                'type' => 'toggle',
@@ -464,16 +451,17 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences
         * @return void
         */
-       static function skinPreferences( $user, &$defaultPreferences ) {
+       static function skinPreferences( $user, IContextSource $context, &$defaultPreferences ) {
                ## Skin #####################################
-               global $wgLang, $wgAllowUserCss, $wgAllowUserJs;
+               global $wgAllowUserCss, $wgAllowUserJs;
 
                $defaultPreferences['skin'] = array(
                        'type' => 'radio',
-                       'options' => self::generateSkinOptions( $user ),
+                       'options' => self::generateSkinOptions( $user, $context ),
                        'label' => '&#160;',
                        'section' => 'rendering/skin',
                );
@@ -486,18 +474,18 @@ class Preferences {
 
                        if ( $wgAllowUserCss ) {
                                $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/common.css' );
-                               $linkTools[] = Linker::link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
+                               $linkTools[] = Linker::link( $cssPage, $context->msg( 'prefs-custom-css' )->escaped() );
                        }
 
                        if ( $wgAllowUserJs ) {
                                $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/common.js' );
-                               $linkTools[] = Linker::link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
+                               $linkTools[] = Linker::link( $jsPage, $context->msg( 'prefs-custom-js' )->escaped() );
                        }
 
                        $defaultPreferences['commoncssjs'] = array(
                                'type' => 'info',
                                'raw' => true,
-                               'default' => $wgLang->pipeList( $linkTools ),
+                               'default' => $context->getLang()->pipeList( $linkTools ),
                                'label-message' => 'prefs-common-css-js',
                                'section' => 'rendering/skin',
                        );
@@ -505,7 +493,7 @@ class Preferences {
 
                $selectedSkin = $user->getOption( 'skin' );
                if ( in_array( $selectedSkin, array( 'cologneblue', 'standard' ) ) ) {
-                       $settings = array_flip( $wgLang->getQuickbarSettings() );
+                       $settings = array_flip( $context->getLang()->getQuickbarSettings() );
 
                        $defaultPreferences['quickbar'] = array(
                                'type' => 'radio',
@@ -518,19 +506,20 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences Array
         */
-       static function filesPreferences( $user, &$defaultPreferences ) {
+       static function filesPreferences( $user, IContextSource $context, &$defaultPreferences ) {
                ## Files #####################################
                $defaultPreferences['imagesize'] = array(
                        'type' => 'select',
-                       'options' => self::getImageSizes(),
+                       'options' => self::getImageSizes( $context ),
                        'label-message' => 'imagemaxsize',
                        'section' => 'rendering/files',
                );
                $defaultPreferences['thumbsize'] = array(
                        'type' => 'select',
-                       'options' => self::getThumbSizes(),
+                       'options' => self::getThumbSizes( $context ),
                        'label-message' => 'thumbsize',
                        'section' => 'rendering/files',
                );
@@ -538,14 +527,13 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences
         * @return void
         */
-       static function datetimePreferences( $user, &$defaultPreferences ) {
-               global $wgLang;
-
+       static function datetimePreferences( $user, IContextSource $context, &$defaultPreferences ) {
                ## Date and time #####################################
-               $dateOptions = self::getDateOptions();
+               $dateOptions = self::getDateOptions( $context );
                if ( $dateOptions ) {
                        $defaultPreferences['date'] = array(
                                'type' => 'radio',
@@ -557,9 +545,10 @@ class Preferences {
 
                // Info
                $now = wfTimestampNow();
+               $lang = $context->getLang();
                $nowlocal = Xml::element( 'span', array( 'id' => 'wpLocalTime' ),
-                       $wgLang->time( $now, true ) );
-               $nowserver = $wgLang->time( $now, false ) .
+                       $lang->time( $now, true ) );
+               $nowserver = $lang->time( $now, false ) .
                        Html::hidden( 'wpServerTime', (int)substr( $now, 8, 2 ) * 60 + (int)substr( $now, 10, 2 ) );
 
                $defaultPreferences['nowserver'] = array(
@@ -580,18 +569,29 @@ class Preferences {
 
                // Grab existing pref.
                $tzOffset = $user->getOption( 'timecorrection' );
-               $tz = explode( '|', $tzOffset, 2 );
+               $tz = explode( '|', $tzOffset, 3 );
+
+               $tzOptions = self::getTimezoneOptions( $context );
 
                $tzSetting = $tzOffset;
                if ( count( $tz ) > 1 && $tz[0] == 'Offset' ) {
                        $minDiff = $tz[1];
                        $tzSetting = sprintf( '%+03d:%02d', floor( $minDiff / 60 ), abs( $minDiff ) % 60 );
+               } elseif ( count( $tz ) > 1 && $tz[0] == 'ZoneInfo' &&
+                       !in_array( $tzOffset, HTMLFormField::flattenOptions( $tzOptions ) ) )
+               {
+                       # Timezone offset can vary with DST
+                       $userTZ = timezone_open( $tz[2] );
+                       if ( $userTZ !== false ) {
+                               $minDiff = floor( timezone_offset_get( $userTZ, date_create( 'now' ) ) / 60 );
+                               $tzSetting = "ZoneInfo|$minDiff|{$tz[2]}";
+                       }
                }
 
                $defaultPreferences['timecorrection'] = array(
                        'class' => 'HTMLSelectOrOtherField',
                        'label-message' => 'timezonelegend',
-                       'options' => self::getTimezoneOptions(),
+                       'options' => $tzOptions,
                        'default' => $tzSetting,
                        'size' => 20,
                        'section' => 'datetime/timeoffset',
@@ -600,18 +600,19 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences Array
         */
-       static function renderingPreferences( $user, &$defaultPreferences ) {
+       static function renderingPreferences( $user, IContextSource $context, &$defaultPreferences ) {
                ## Page Rendering ##############################
                global $wgAllowUserCssPrefs;
                if ( $wgAllowUserCssPrefs ) {
                        $defaultPreferences['underline'] = array(
                                'type' => 'select',
                                'options' => array(
-                                       wfMsg( 'underline-never' ) => 0,
-                                       wfMsg( 'underline-always' ) => 1,
-                                       wfMsg( 'underline-default' ) => 2,
+                                       $context->msg( 'underline-never' )->text() => 0,
+                                       $context->msg( 'underline-always' )->text() => 1,
+                                       $context->msg( 'underline-default' )->text() => 2,
                                ),
                                'label-message' => 'tog-underline',
                                'section' => 'rendering/advancedrendering',
@@ -619,9 +620,9 @@ class Preferences {
                }
 
                $stubThresholdValues = array( 50, 100, 500, 1000, 2000, 5000, 10000 );
-               $stubThresholdOptions = array( wfMsg( 'stub-threshold-disabled' ) => 0 );
+               $stubThresholdOptions = array( $context->msg( 'stub-threshold-disabled' )->text() => 0 );
                foreach ( $stubThresholdValues as $value ) {
-                       $stubThresholdOptions[wfMsg( 'size-bytes', $value )] = $value;
+                       $stubThresholdOptions[$context->msg( 'size-bytes', $value )->text()] = $value;
                }
 
                $defaultPreferences['stubthreshold'] = array(
@@ -629,14 +630,14 @@ class Preferences {
                        'section' => 'rendering/advancedrendering',
                        'options' => $stubThresholdOptions,
                        'size' => 20,
-                       'label' => wfMsg( 'stub-threshold' ), // Raw HTML message. Yay?
+                       'label' => $context->msg( 'stub-threshold' )->text(), // Raw HTML message. Yay?
                );
 
                if ( $wgAllowUserCssPrefs ) {
                        $defaultPreferences['highlightbroken'] = array(
                                'type' => 'toggle',
                                'section' => 'rendering/advancedrendering',
-                               'label' => wfMsg( 'tog-highlightbroken' ), // Raw HTML
+                               'label' => $context->msg( 'tog-highlightbroken' )->text(), // Raw HTML
                        );
                        $defaultPreferences['showtoc'] = array(
                                'type' => 'toggle',
@@ -677,9 +678,10 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences Array
         */
-       static function editingPreferences( $user, &$defaultPreferences ) {
+       static function editingPreferences( $user, IContextSource $context, &$defaultPreferences ) {
                global $wgUseExternalEditor, $wgAllowUserCssPrefs;
 
                ## Editing #####################################
@@ -704,10 +706,10 @@ class Preferences {
                                'section' => 'editing/advancedediting',
                                'label-message' => 'editfont-style',
                                'options' => array(
-                                       wfMsg( 'editfont-default' ) => 'default',
-                                       wfMsg( 'editfont-monospace' ) => 'monospace',
-                                       wfMsg( 'editfont-sansserif' ) => 'sans-serif',
-                                       wfMsg( 'editfont-serif' ) => 'serif',
+                                       $context->msg( 'editfont-default' )->text() => 'default',
+                                       $context->msg( 'editfont-monospace' )->text() => 'monospace',
+                                       $context->msg( 'editfont-sansserif' )->text() => 'sans-serif',
+                                       $context->msg( 'editfont-serif' )->text() => 'serif',
                                )
                        );
                }
@@ -782,10 +784,11 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences Array
         */
-       static function rcPreferences( $user, &$defaultPreferences ) {
-               global $wgRCMaxAge, $wgLang;
+       static function rcPreferences( $user, IContextSource $context, &$defaultPreferences ) {
+               global $wgRCMaxAge, $wgRCShowWatchingUsers;
 
                ## RecentChanges #####################################
                $defaultPreferences['rcdays'] = array(
@@ -794,11 +797,8 @@ class Preferences {
                        'section' => 'rc/displayrc',
                        'min' => 1,
                        'max' => ceil( $wgRCMaxAge / ( 3600 * 24 ) ),
-                       'help' => wfMsgExt(
-                               'recentchangesdays-max',
-                               array( 'parsemag' ),
-                               $wgLang->formatNum( ceil( $wgRCMaxAge / ( 3600 * 24 ) ) )
-                       )
+                       'help' => $context->msg( 'recentchangesdays-max' )->numParams(
+                               ceil( $wgRCMaxAge / ( 3600 * 24 ) ) )->text()
                );
                $defaultPreferences['rclimit'] = array(
                        'type' => 'int',
@@ -830,7 +830,6 @@ class Preferences {
                        );
                }
 
-               global $wgRCShowWatchingUsers;
                if ( $wgRCShowWatchingUsers ) {
                        $defaultPreferences['shownumberswatching'] = array(
                                'type' => 'toggle',
@@ -842,9 +841,10 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences
         */
-       static function watchlistPreferences( $user, &$defaultPreferences ) {
+       static function watchlistPreferences( $user, IContextSource $context, &$defaultPreferences ) {
                global $wgUseRCPatrol, $wgEnableAPI;
 
                ## Watchlist #####################################
@@ -853,7 +853,7 @@ class Preferences {
                        'min' => 0,
                        'max' => 7,
                        'section' => 'watchlist/displaywatchlist',
-                       'help' => wfMsgHtml( 'prefs-watchlist-days-max' ),
+                       'help' => $context->msg( 'prefs-watchlist-days-max' )->escaped(),
                        'label-message' => 'prefs-watchlist-days',
                );
                $defaultPreferences['wllimit'] = array(
@@ -861,7 +861,7 @@ class Preferences {
                        'min' => 0,
                        'max' => 1000,
                        'label-message' => 'prefs-watchlist-edits',
-                       'help' => wfMsgHtml( 'prefs-watchlist-edits-max' ),
+                       'help' => $context->msg( 'prefs-watchlist-edits-max' )->escaped(),
                        'section' => 'watchlist/displaywatchlist',
                );
                $defaultPreferences['extendwatchlist'] = array(
@@ -911,7 +911,7 @@ class Preferences {
                                'type' => 'text',
                                'section' => 'watchlist/advancedwatchlist',
                                'label-message' => 'prefs-watchlist-token',
-                               'help' => wfMsgHtml( 'prefs-help-watchlist-token', $hash )
+                               'help' => $context->msg( 'prefs-help-watchlist-token', $hash )->escaped()
                        );
                }
 
@@ -939,10 +939,11 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences Array
         */
-       static function searchPreferences( $user, &$defaultPreferences ) {
-               global $wgContLang;
+       static function searchPreferences( $user, IContextSource $context, &$defaultPreferences ) {
+               global $wgContLang, $wgEnableMWSuggest, $wgVectorUseSimpleSearch;
 
                ## Search #####################################
                $defaultPreferences['searchlimit'] = array(
@@ -952,7 +953,6 @@ class Preferences {
                        'min' => 0,
                );
 
-               global $wgEnableMWSuggest;
                if ( $wgEnableMWSuggest ) {
                        $defaultPreferences['disablesuggest'] = array(
                                'type' => 'toggle',
@@ -961,7 +961,6 @@ class Preferences {
                        );
                }
 
-               global $wgVectorUseSimpleSearch;
                if ( $wgVectorUseSimpleSearch ) {
                        $defaultPreferences['vector-simplesearch'] = array(
                                'type' => 'toggle',
@@ -986,7 +985,7 @@ class Preferences {
                        $displayNs = str_replace( '_', ' ', $name );
 
                        if ( !$displayNs ) {
-                               $displayNs = wfMsg( 'blanknamespace' );
+                               $displayNs = $context->msg( 'blanknamespace' )->text();
                        }
 
                        $displayNs = htmlspecialchars( $displayNs );
@@ -1004,9 +1003,12 @@ class Preferences {
 
        /**
         * @param $user User
+        * @param $context IContextSource
         * @param $defaultPreferences Array
         */
-       static function miscPreferences( $user, &$defaultPreferences ) {
+       static function miscPreferences( $user, IContextSource $context, &$defaultPreferences ) {
+               global $wgContLang;
+
                ## Misc #####################################
                $defaultPreferences['diffonly'] = array(
                        'type' => 'toggle',
@@ -1020,8 +1022,6 @@ class Preferences {
                );
 
                // Stuff from Language::getExtraUserToggles()
-               global $wgContLang;
-
                $toggles = $wgContLang->getExtraUserToggles();
 
                foreach ( $toggles as $toggle ) {
@@ -1035,14 +1035,15 @@ class Preferences {
 
        /**
         * @param $user User The User object
+        * @param $context IContextSource
         * @return Array: text/links to display as key; $skinkey as value
         */
-       static function generateSkinOptions( $user ) {
-               global $wgDefaultSkin, $wgLang, $wgAllowUserCss, $wgAllowUserJs;
+       static function generateSkinOptions( $user, IContextSource $context ) {
+               global $wgDefaultSkin, $wgAllowUserCss, $wgAllowUserJs;
                $ret = array();
 
                $mptitle = Title::newMainPage();
-               $previewtext = wfMsgHtml( 'skin-preview' );
+               $previewtext = $context->msg( 'skin-preview' )->text();
 
                # Only show members of Skin::getSkinNames() rather than
                # $skinNames (skins is all skin names from Language.php)
@@ -1051,7 +1052,7 @@ class Preferences {
                # Sort by UI skin name. First though need to update validSkinNames as sometimes
                # the skinkey & UI skinname differ (e.g. "standard" skinkey is "Classic" in the UI).
                foreach ( $validSkinNames as $skinkey => &$skinname ) {
-                       $msg = wfMessage( "skinname-{$skinkey}" );
+                       $msg = $context->msg( "skinname-{$skinkey}" );
                        if ( $msg->exists() ) {
                                $skinname = htmlspecialchars( $msg->text() );
                        }
@@ -1063,7 +1064,7 @@ class Preferences {
 
                        # Mark the default skin
                        if ( $skinkey == $wgDefaultSkin ) {
-                               $linkTools[] = wfMsgHtml( 'default' );
+                               $linkTools[] = $context->msg( 'default' )->escaped();
                        }
 
                        # Create preview link
@@ -1073,15 +1074,15 @@ class Preferences {
                        # Create links to user CSS/JS pages
                        if ( $wgAllowUserCss ) {
                                $cssPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.css' );
-                               $linkTools[] = Linker::link( $cssPage, wfMsgHtml( 'prefs-custom-css' ) );
+                               $linkTools[] = Linker::link( $cssPage, $context->msg( 'prefs-custom-css' )->escaped() );
                        }
 
                        if ( $wgAllowUserJs ) {
                                $jsPage = Title::makeTitleSafe( NS_USER, $user->getName() . '/' . $skinkey . '.js' );
-                               $linkTools[] = Linker::link( $jsPage, wfMsgHtml( 'prefs-custom-js' ) );
+                               $linkTools[] = Linker::link( $jsPage, $context->msg( 'prefs-custom-js' )->escaped() );
                        }
 
-                       $display = $sn . ' ' . wfMsg( 'parentheses', $wgLang->pipeList( $linkTools ) );
+                       $display = $sn . ' ' . $context->msg( 'parentheses', $context->getLang()->pipeList( $linkTools ) )->text();
                        $ret[$display] = $skinkey;
                }
 
@@ -1089,11 +1090,11 @@ class Preferences {
        }
 
        /**
+        * @param $context IContextSource
         * @return array
         */
-       static function getDateOptions() {
-               global $wgLang;
-               $dateopts = $wgLang->getDatePreferences();
+       static function getDateOptions( IContextSource $context ) {
+               $dateopts = $context->getLang()->getDatePreferences();
 
                $ret = array();
 
@@ -1112,9 +1113,9 @@ class Preferences {
                        $epoch = wfTimestampNow();
                        foreach ( $dateopts as $key ) {
                                if ( $key == 'default' ) {
-                                       $formatted = wfMsgHtml( 'datedefault' );
+                                       $formatted = $context->msg( 'datedefault' )->escaped();
                                } else {
-                                       $formatted = htmlspecialchars( $wgLang->timeanddate( $epoch, false, $key ) );
+                                       $formatted = htmlspecialchars( $context->getLang()->timeanddate( $epoch, false, $key ) );
                                }
                                $ret[$formatted] = $key;
                        }
@@ -1123,15 +1124,17 @@ class Preferences {
        }
 
        /**
+        * @param $context IContextSource
         * @return array
         */
-       static function getImageSizes() {
+       static function getImageSizes( IContextSource $context ) {
                global $wgImageLimits;
 
                $ret = array();
+               $pixels = $context->msg( 'unit-pixel' )->text();
 
                foreach ( $wgImageLimits as $index => $limits ) {
-                       $display = "{$limits[0]}×{$limits[1]}" . wfMsg( 'unit-pixel' );
+                       $display = "{$limits[0]}×{$limits[1]}" . $pixels;
                        $ret[$display] = $index;
                }
 
@@ -1139,15 +1142,17 @@ class Preferences {
        }
 
        /**
+        * @param $context IContextSource
         * @return array
         */
-       static function getThumbSizes() {
+       static function getThumbSizes( IContextSource $context ) {
                global $wgThumbLimits;
 
                $ret = array();
+               $pixels = $context->msg( 'unit-pixel' )->text();
 
                foreach ( $wgThumbLimits as $index => $size ) {
-                       $display = $size . wfMsg( 'unit-pixel' );
+                       $display = $size . $pixels;
                        $ret[$display] = $index;
                }
 
@@ -1160,13 +1165,10 @@ class Preferences {
         * @return bool|string
         */
        static function validateSignature( $signature, $alldata ) {
-               global $wgParser, $wgMaxSigChars, $wgLang;
+               global $wgParser, $wgMaxSigChars;
                if ( mb_strlen( $signature ) > $wgMaxSigChars ) {
                        return Xml::element( 'span', array( 'class' => 'error' ),
-                               wfMsgExt( 'badsiglength', 'parsemag',
-                                       $wgLang->formatNum( $wgMaxSigChars )
-                               )
-                       );
+                               wfMessage( 'badsiglength' )->numParams( $wgMaxSigChars )->text() );
                } elseif ( isset( $alldata['fancysig'] ) &&
                                $alldata['fancysig'] &&
                                false === $wgParser->validateSig( $signature ) ) {
@@ -1212,19 +1214,24 @@ class Preferences {
 
        /**
         * @param $user User
-        * @param $context RequestContext
+        * @param $context IContextSource
         * @param $formClass string
+        * @param $remove Array: array of items to remove
         * @return HtmlForm
         */
-       static function getFormObject( $user, RequestContext $context, $formClass = 'PreferencesForm' ) {
-               $formDescriptor = Preferences::getPreferences( $user );
+       static function getFormObject( $user, IContextSource $context, $formClass = 'PreferencesForm', array $remove = array() ) {
+               $formDescriptor = Preferences::getPreferences( $user, $context );
+               if ( count( $remove ) ) {
+                       $removeKeys = array_flip( $remove );
+                       $formDescriptor = array_diff_key( $formDescriptor, $removeKeys );
+               }
                $htmlForm = new $formClass( $formDescriptor, $context, 'prefs' );
 
+               $htmlForm->setModifiedUser( $user );
                $htmlForm->setId( 'mw-prefs-form' );
                $htmlForm->setSubmitText( wfMsg( 'saveprefs' ) );
                # Used message keys: 'accesskey-preferences-save', 'tooltip-preferences-save'
                $htmlForm->setSubmitTooltip( 'preferences-save' );
-               $htmlForm->setTitle( SpecialPage::getTitleFor( 'Preferences' ) );
                $htmlForm->setSubmitID( 'prefsubmit' );
                $htmlForm->setSubmitCallback( array( 'Preferences', 'tryFormSubmit' ) );
 
@@ -1234,20 +1241,20 @@ class Preferences {
        /**
         * @return array
         */
-       static function getTimezoneOptions() {
+       static function getTimezoneOptions( IContextSource $context ) {
                $opt = array();
 
                global $wgLocalTZoffset, $wgLocaltimezone;
                // Check that $wgLocalTZoffset is the same as $wgLocaltimezone
                if ( $wgLocalTZoffset == date( 'Z' ) / 60 ) {
-                       $server_tz_msg = wfMsg( 'timezoneuseserverdefault', $wgLocaltimezone );
+                       $server_tz_msg = $context->msg( 'timezoneuseserverdefault', $wgLocaltimezone )->text();
                } else {
                        $tzstring = sprintf( '%+03d:%02d', floor( $wgLocalTZoffset / 60 ), abs( $wgLocalTZoffset ) % 60 );
-                       $server_tz_msg = wfMsg( 'timezoneuseserverdefault', $tzstring );
+                       $server_tz_msg = $context->msg( 'timezoneuseserverdefault', $tzstring )->text();
                }
                $opt[$server_tz_msg] = "System|$wgLocalTZoffset";
-               $opt[wfMsg( 'timezoneuseoffset' )] = 'other';
-               $opt[wfMsg( 'guesstimezone' )] = 'guess';
+               $opt[$context->msg( 'timezoneuseoffset' )->text()] = 'other';
+               $opt[$context->msg( 'guesstimezone' )->text()] = 'guess';
 
                if ( function_exists( 'timezone_identifiers_list' ) ) {
                        # Read timezone list
@@ -1255,16 +1262,16 @@ class Preferences {
                        sort( $tzs );
 
                        $tzRegions = array();
-                       $tzRegions['Africa'] = wfMsg( 'timezoneregion-africa' );
-                       $tzRegions['America'] = wfMsg( 'timezoneregion-america' );
-                       $tzRegions['Antarctica'] = wfMsg( 'timezoneregion-antarctica' );
-                       $tzRegions['Arctic'] = wfMsg( 'timezoneregion-arctic' );
-                       $tzRegions['Asia'] = wfMsg( 'timezoneregion-asia' );
-                       $tzRegions['Atlantic'] = wfMsg( 'timezoneregion-atlantic' );
-                       $tzRegions['Australia'] = wfMsg( 'timezoneregion-australia' );
-                       $tzRegions['Europe'] = wfMsg( 'timezoneregion-europe' );
-                       $tzRegions['Indian'] = wfMsg( 'timezoneregion-indian' );
-                       $tzRegions['Pacific'] = wfMsg( 'timezoneregion-pacific' );
+                       $tzRegions['Africa'] = $context->msg( 'timezoneregion-africa' )->text();
+                       $tzRegions['America'] = $context->msg( 'timezoneregion-america' )->text();
+                       $tzRegions['Antarctica'] = $context->msg( 'timezoneregion-antarctica' )->text();
+                       $tzRegions['Arctic'] = $context->msg( 'timezoneregion-arctic' )->text();
+                       $tzRegions['Asia'] = $context->msg( 'timezoneregion-asia' )->text();
+                       $tzRegions['Atlantic'] = $context->msg( 'timezoneregion-atlantic' )->text();
+                       $tzRegions['Australia'] = $context->msg( 'timezoneregion-australia' )->text();
+                       $tzRegions['Europe'] = $context->msg( 'timezoneregion-europe' )->text();
+                       $tzRegions['Indian'] = $context->msg( 'timezoneregion-indian' )->text();
+                       $tzRegions['Pacific'] = $context->msg( 'timezoneregion-pacific' )->text();
                        asort( $tzRegions );
 
                        $prefill = array_fill_keys( array_values( $tzRegions ), array() );
@@ -1337,12 +1344,14 @@ class Preferences {
 
        /**
         * @param $formData
+        * @param $form HTMLForm
         * @param $entryPoint string
         * @return bool|Status|string
         */
-       static function tryFormSubmit( $formData, $entryPoint = 'internal' ) {
-               global $wgUser;
+       static function tryFormSubmit( $formData, $form, $entryPoint = 'internal' ) {
+               global $wgHiddenPrefs;
 
+               $user = $form->getModifiedUser();
                $result = true;
 
                // Filter input
@@ -1360,10 +1369,9 @@ class Preferences {
                );
 
                // Fortunately, the realname field is MUCH simpler
-               global $wgHiddenPrefs;
                if ( !in_array( 'realname', $wgHiddenPrefs ) ) {
                        $realName = $formData['realname'];
-                       $wgUser->setRealName( $realName );
+                       $user->setRealName( $realName );
                }
 
                foreach ( $saveBlacklist as $b ) {
@@ -1377,18 +1385,18 @@ class Preferences {
                foreach( $wgHiddenPrefs as $pref ){
                        # If the user has not set a non-default value here, the default will be returned
                        # and subsequently discarded
-                       $formData[$pref] = $wgUser->getOption( $pref, null, true );
+                       $formData[$pref] = $user->getOption( $pref, null, true );
                }
 
                //  Keeps old preferences from interfering due to back-compat
                //  code, etc.
-               $wgUser->resetOptions();
+               $user->resetOptions();
 
                foreach ( $formData as $key => $value ) {
-                       $wgUser->setOption( $key, $value );
+                       $user->setOption( $key, $value );
                }
 
-               $wgUser->saveSettings();
+               $user->saveSettings();
 
                return $result;
        }
@@ -1397,22 +1405,21 @@ class Preferences {
         * @param $formData
         * @return Status
         */
-       public static function tryUISubmit( $formData ) {
-               $res = self::tryFormSubmit( $formData, 'ui' );
+       public static function tryUISubmit( $formData, $form ) {
+               $res = self::tryFormSubmit( $formData, $form, 'ui' );
 
                if ( $res ) {
-                       $urlOptions = array( 'success' );
+                       $urlOptions = array( 'success' => 1 );
 
                        if ( $res === 'eauth' ) {
-                               $urlOptions[] = 'eauth';
+                               $urlOptions['eauth'] = 1;
                        }
 
-                       $queryString = implode( '&', $urlOptions );
+                       $urlOptions += $form->getExtraSuccessRedirectParameters();
 
-                       $url = SpecialPage::getTitleFor( 'Preferences' )->getFullURL( $queryString );
+                       $url = $form->getTitle()->getFullURL( $urlOptions );
 
-                       global $wgOut;
-                       $wgOut->redirect( $url );
+                       $form->getContext()->getOutput()->redirect( $url );
                }
 
                return Status::newGood();
@@ -1421,6 +1428,7 @@ class Preferences {
        /*
         * Try to set a user's email address.
         * This does *not* try to validate the address.
+        * Caller is responsible for checking $wgAuth.
         * @param $user User
         * @param $newaddr string New email address
         * @return Array (true on success or Status on failure, info string)
@@ -1479,6 +1487,29 @@ class Preferences {
 
 /** Some tweaks to allow js prefs to work */
 class PreferencesForm extends HTMLForm {
+       private $modifiedUser;
+
+       public function setModifiedUser( $user ) {
+               $this->modifiedUser = $user;
+       }
+
+       public function getModifiedUser() {
+               if ( $this->modifiedUser === null ) {
+                       return $this->getUser();
+               } else {
+                       return $this->modifiedUser;
+               }
+       }
+
+       /**
+        * Get extra parameters for the query string when redirecting after
+        * successful save.
+        *
+        * @return array()
+        */
+       public function getExtraSuccessRedirectParameters() {
+               return array();
+       }
 
        /**
         * @param $html string