2 * Animate watch/unwatch links to use asynchronous API requests to
3 * watch pages, rather than navigating to a different URI.
7 * The name of the page to watch or unwatch.
9 var title = mw.config.get( 'wgRelevantPageName', mw.config.get( 'wgPageName' ) );
12 * Update the link text, link href attribute and (if applicable)
15 * @param $link {jQuery} Anchor tag of (un)watch link.
16 * @param action {String} One of 'watch', 'unwatch'.
17 * @param state {String} [optional] 'idle' or 'loading'. Default is 'idle'.
19 function updateWatchLink( $link, action, state ) {
20 var accesskeyTip, msgKey, $li, otherAction;
22 // message keys 'watch', 'watching', 'unwatch' or 'unwatching'.
23 msgKey = state === 'loading' ? action + 'ing' : action;
24 otherAction = action === 'watch' ? 'unwatch' : 'watch';
25 accesskeyTip = $link.attr( 'title' ).match( mw.util.tooltipAccessKeyRegexp );
26 $li = $link.closest( 'li' );
29 * Trigger a 'watchpage' event for this List item.
30 * Announce the otherAction value as the first param.
31 * Used to monitor the state of watch link.
32 * TODO: Revise when system wide hooks are implemented
34 if ( state === undefined ) {
35 $li.trigger( 'watchpage.mw', otherAction );
39 .text( mw.msg( msgKey ) )
40 .attr( 'title', mw.msg( 'tooltip-ca-' + action ) +
41 ( accesskeyTip ? ' ' + accesskeyTip[0] : '' )
43 .attr( 'href', mw.util.wikiScript() + '?' + $.param({
49 // Most common ID style
50 if ( $li.prop( 'id' ) === 'ca-' + otherAction ) {
51 $li.prop( 'id', 'ca-' + action );
54 // Special case for vector icon
55 if ( $li.hasClass( 'icon' ) ) {
56 if ( state === 'loading' ) {
57 $link.addClass( 'loading' );
59 $link.removeClass( 'loading' );
65 * @todo This should be moved somewhere more accessible.
67 * @return {String} The extracted action, defaults to 'view'.
69 function mwUriGetAction( url ) {
70 var action, actionPaths, key, i, m, parts;
72 actionPaths = mw.config.get( 'wgActionPaths' );
74 // @todo Does MediaWiki give action path or query param
75 // precedence ? If the former, move this to the bottom
76 action = mw.util.getParamValue( 'action', url );
77 if ( action !== null ) {
81 for ( key in actionPaths ) {
82 if ( actionPaths.hasOwnProperty( key ) ) {
83 parts = actionPaths[key].split( '$1' );
84 for ( i = 0; i < parts.length; i += 1 ) {
85 parts[i] = $.escapeRE( parts[i] );
87 m = new RegExp( parts.join( '(.+)' ) ).exec( url );
98 // Expose local methods
100 updateWatchLink: updateWatchLink
104 var $links = $( '.mw-watchlink a, a.mw-watchlink, ' +
105 '#ca-watch a, #ca-unwatch a, #mw-unwatch-link1, ' +
106 '#mw-unwatch-link2, #mw-watch-link2, #mw-watch-link1' );
108 // Allowing people to add inline animated links is a little scary
109 $links = $links.filter( ':not( #bodyContent *, #content * )' );
111 $links.click( function ( e ) {
112 var action, api, $link;
114 action = mwUriGetAction( this.href );
116 if ( action !== 'watch' && action !== 'unwatch' ) {
117 // Could not extract target action from link url,
118 // let native browsing handle it further
126 updateWatchLink( $link, action, 'loading' );
132 function ( watchResponse ) {
133 var $li, otherAction;
135 otherAction = action === 'watch' ? 'unwatch' : 'watch';
136 $li = $link.closest( 'li' );
138 mw.notify( $.parseHTML( watchResponse.message ), {
142 // Set link to opposite
143 updateWatchLink( $link, otherAction );
145 // Bug 12395 - update the watch checkbox on edit pages when the
146 // page is watched or unwatched via the tab.
147 if ( watchResponse.watched !== undefined ) {
148 $( '#wpWatchthis' ).prop( 'checked', true );
150 $( '#wpWatchthis' ).prop( 'checked', false );
155 var cleanTitle, msg, link;
157 // Reset link to non-loading mode
158 updateWatchLink( $link, action );
160 // Format error message
161 cleanTitle = title.replace( /_/g, ' ' );
162 link = mw.html.element(
164 href: mw.util.wikiGetlink( title ),
168 msg = mw.message( 'watcherrortext', link );
170 // Report to user about the error
171 mw.notify( msg, { tag: 'watch-self' } );
178 }( mediaWiki, jQuery ) );