1 files changed, 180 insertions, 0 deletions
diff --git a/skins/common/ajaxwatch.js b/skins/common/ajaxwatch.js
new file mode 100644
index 0000000..7f54601
--- /dev/null
+++ b/skins/common/ajaxwatch.js
@@ -0,0 +1,180 @@
+// dependencies:
+// * ajax.js:
+  /*extern sajax_init_object, sajax_do_call */
+// * wikibits.js:
+  /*extern changeText, hookEvent, jsMsg */
+
+// These should have been initialized in the generated js
+/*extern wgAjaxWatch, wgPageName */
+
+if(typeof wgAjaxWatch === "undefined" || !wgAjaxWatch) {
+	var wgAjaxWatch = {
+		watchMsg: "Watch",
+		unwatchMsg: "Unwatch",
+		watchingMsg: "Watching...",
+		unwatchingMsg: "Unwatching...",
+		'tooltip-ca-watchMsg': "Add this page to your watchlist",
+		'tooltip-ca-unwatchMsg': "Remove this page from your watchlist"
+	};
+}
+
+wgAjaxWatch.supported = true; // supported on current page and by browser
+wgAjaxWatch.watching = false; // currently watching page
+wgAjaxWatch.inprogress = false; // ajax request in progress
+wgAjaxWatch.timeoutID = null; // see wgAjaxWatch.ajaxCall
+wgAjaxWatch.watchLinks = []; // "watch"/"unwatch" links
+wgAjaxWatch.iconMode = false; // new icon driven functionality 
+wgAjaxWatch.imgBasePath = ""; // base img path derived from icons on load
+
+wgAjaxWatch.setLinkText = function( newText ) {
+	if( wgAjaxWatch.iconMode ) {
+		for ( i = 0; i < wgAjaxWatch.watchLinks.length; i++ ) {
+			wgAjaxWatch.watchLinks[i].firstChild.alt = newText;
+			if ( newText == wgAjaxWatch.watchingMsg || newText == wgAjaxWatch.unwatchingMsg ) {
+				wgAjaxWatch.watchLinks[i].className += ' loading';
+			} else if ( newText == wgAjaxWatch.watchMsg || newText == wgAjaxWatch.unwatchMsg ) {
+				wgAjaxWatch.watchLinks[i].className = 
+					wgAjaxWatch.watchLinks[i].className.replace( /loading/i, '' );
+				// update the title text on the link
+				var keyCommand = wgAjaxWatch.watchLinks[i].title.match( /\[.*?\]$/ ) ? 
+					wgAjaxWatch.watchLinks[i].title.match( /\[.*?\]$/ )[0] : "";
+				wgAjaxWatch.watchLinks[i].title = ( newText == wgAjaxWatch.watchMsg ? 
+					wgAjaxWatch['tooltip-ca-watchMsg'] : wgAjaxWatch['tooltip-ca-unwatchMsg'] )
+					+ " " + keyCommand;
+			}
+		}
+	} else {
+		for ( i = 0; i < wgAjaxWatch.watchLinks.length; i++ ) {
+			changeText( wgAjaxWatch.watchLinks[i], newText );
+		}
+	}
+};
+
+wgAjaxWatch.setLinkID = function( newId ) {
+	// We can only set the first one
+	wgAjaxWatch.watchLinks[0].parentNode.setAttribute( 'id', newId );
+};
+
+wgAjaxWatch.setHref = function( string ) {
+	for( i = 0; i < wgAjaxWatch.watchLinks.length; i++ ) {
+		if( string == 'watch' ) {
+			wgAjaxWatch.watchLinks[i].href = wgAjaxWatch.watchLinks[i].href
+				.replace( /&action=unwatch/, '&action=watch' );
+		} else if( string == 'unwatch' ) {
+			wgAjaxWatch.watchLinks[i].href = wgAjaxWatch.watchLinks[i].href
+				.replace( /&action=watch/, '&action=unwatch' );
+		}
+	}
+}
+
+wgAjaxWatch.ajaxCall = function() {
+	if(!wgAjaxWatch.supported) {
+		return true;
+	} else if (wgAjaxWatch.inprogress) {
+		return false;
+	}
+	if(!wfSupportsAjax()) {
+		// Lazy initialization so we don't toss up
+		// ActiveX warnings on initial page load
+		// for IE 6 users with security settings.
+		wgAjaxWatch.supported = false;
+		return true;
+	}
+
+	wgAjaxWatch.inprogress = true;
+	wgAjaxWatch.setLinkText( wgAjaxWatch.watching
+		? wgAjaxWatch.unwatchingMsg : wgAjaxWatch.watchingMsg);
+	sajax_do_call(
+		"wfAjaxWatch",
+		[wgPageName, (wgAjaxWatch.watching ? "u" : "w")], 
+		wgAjaxWatch.processResult
+	);
+	// if the request isn't done in 10 seconds, allow user to try again
+	wgAjaxWatch.timeoutID = window.setTimeout(
+		function() { wgAjaxWatch.inprogress = false; },
+		10000
+	);
+	return false;
+};
+
+wgAjaxWatch.processResult = function(request) {
+	if(!wgAjaxWatch.supported) {
+		return;
+	}
+	var response = request.responseText;
+	if( response.match(/^<w#>/) ) {
+		wgAjaxWatch.watching = true;
+		wgAjaxWatch.setLinkText(wgAjaxWatch.unwatchMsg);
+		wgAjaxWatch.setLinkID("ca-unwatch");
+		wgAjaxWatch.setHref( 'unwatch' );
+	} else if( response.match(/^<u#>/) ) {
+		wgAjaxWatch.watching = false;
+		wgAjaxWatch.setLinkText(wgAjaxWatch.watchMsg);
+		wgAjaxWatch.setLinkID("ca-watch");
+		wgAjaxWatch.setHref( 'watch' );
+	} else {
+		// Either we got a <err#> error code or it just plain broke.
+		window.location.href = wgAjaxWatch.watchLinks[0].href;
+		return;
+	}
+	jsMsg( response.substr(4), 'watch' );
+	wgAjaxWatch.inprogress = false;
+	if(wgAjaxWatch.timeoutID) {
+		window.clearTimeout(wgAjaxWatch.timeoutID);
+	}
+	// Bug 12395 - avoid some watch link confusion on edit
+	var watchthis = document.getElementById("wpWatchthis");
+	if( watchthis && response.match(/^<[uw]#>/) ) {
+		watchthis.checked = response.match(/^<w#>/) ? "checked" : "";
+	}
+	return;
+};
+
+wgAjaxWatch.onLoad = function() {
+	// This document structure hardcoding sucks.  We should make a class and
+	// toss all this out the window.
+	
+	var el1 = document.getElementById("ca-unwatch");
+	var el2 = null;
+	if ( !el1 ) {
+		el1 = document.getElementById("mw-unwatch-link1");
+		el2 = document.getElementById("mw-unwatch-link2");
+	}
+	if( el1 ) {
+		wgAjaxWatch.watching = true;
+	} else {
+		wgAjaxWatch.watching = false;
+		el1 = document.getElementById("ca-watch");
+		if ( !el1 ) {
+			el1 = document.getElementById("mw-watch-link1");
+			el2 = document.getElementById("mw-watch-link2");
+		}
+		if( !el1 ) {
+			wgAjaxWatch.supported = false;
+			return;
+		}
+	}
+	
+	// Detect if the watch/unwatch feature is in icon mode
+	if ( el1.className.match( /icon/i ) ) {
+		wgAjaxWatch.iconMode = true;
+	}
+	
+	// The id can be either for the parent (Monobook-based) or the element
+	// itself (non-Monobook)
+	wgAjaxWatch.watchLinks.push( el1.tagName.toLowerCase() == "a"
+		? el1 : el1.firstChild );
+
+	if( el2 ) {
+		wgAjaxWatch.watchLinks.push( el2 );
+	}
+
+	// I couldn't get for (watchLink in wgAjaxWatch.watchLinks) to work, if
+	// you can be my guest.
+	for( i = 0; i < wgAjaxWatch.watchLinks.length; i++ ) {
+		wgAjaxWatch.watchLinks[i].onclick = wgAjaxWatch.ajaxCall;
+	}
+	return;
+};
+
+hookEvent("load", wgAjaxWatch.onLoad);