_greasemonkey_/flickrgroupcomments.user.js

   1 // Flickr Group Comments
   2 // v0.8
   3 // 2006-05-26
   4 // Copyright (c) 2006, Pierre Andrews.
   5 // Released under the GPL license
   6 // http://www.gnu.org/copyleft/gpl.html
   7 //
   8 // ==UserScript==
   9 // @name        Flickr Group Comments
  10 // @namespace   http://6v8.gamboni.org/Flickr-view-group-comments.html
  11 // @description Display the recent comments in your groups directly in the recent change page
  12 // @source         http://6v8.gamboni.org/Flickr-view-group-comments.html
  13 // @identifier     http://6v8.gamboni.org/IMG/js/flickrgroupcomments.user.js
  14 // @version        0.8
  15 // @date           2006-05-26
  16 // @creator        Pierre Andrews (mortimer.pa@free.fr)
  17 // @include http://*flickr.com/recent.gne*
  18 // ==/UserScript==
  19
  20 //======================================================================
  21 // Configuration
  22
  23 //number of minutes before the next automatic reload.
  24 //if set to false or 0, then there will never be automatic reloads
  25 var AUTO_RELOAD = 10;
  26
  27 //======================================================================
  28
  29 (function () {
  30
  31         var win = (unsafeWindow || window.wrappedJSObject || window);
  32
  33         //update information
  34         var SCRIPT = {
  35                 name: "Flickr Group Comments",
  36                 namespace: "http://6v8.gamboni.org/Flickr-view-group-comments.html",
  37                 description: "Display the recent comments in your groups directly in the recent change page",
  38                 source: "http://6v8.gamboni.org/Flickr-view-group-comments.html",                       // script homepage/description URL
  39                 identifier: "http://6v8.gamboni.org/IMG/js/flickrgroupcomments.user.js",
  40                 version: "0.8",                                                         // version
  41                 date: (new Date(2006, 5, 26))           // update date
  42                 .valueOf()
  43         };
  44
  45         //======================================================================
  46         //to do the closure and get the right this.
  47         //adapted from http://persistent.info/greasemonkey/gmail.user.js
  48
  49         function getObjectMethodClosure11(object, method,args3) {
  50                 return function(arg) {
  51                         return object[method](arg,args3);
  52                 }
  53         }
  54
  55         function getObjectMethodClosure12(object, method,args3,arg4) {
  56                 return function(arg) {
  57                         return object[method](arg,args3,arg4);
  58                 }
  59         }
  60
  61
  62         //======================================================================
  63
  64         // constants
  65         // http status constants
  66         var OK = 200;
  67
  68         // xmlhttprequest readystate
  69         var COMPLETE = 4;
  70
  71         var DEBUG = false;
  72
  73         win.FlickrGroupComments = function() {;}
  74
  75         win.FlickrGroupComments.prototype = {
  76                 //1
  77                 init: function() {
  78                         GM_addStyle(".EachGroup ul li.read {color: #AAAAAA; list-style-type: circle; font-size: 80%;}\
  79  .EachGroup ul li.read a {color: #99ccff;} ");
  80                         var commentsLinks = document.evaluate("/html/body/div[@id='Main']/table[2]/tbody/tr/td[@id='Changes']/table/tbody/tr/td[2]/ul",
  81                                                                                                  document, null, XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);  // Get all group
  82
  83                         for(var i = 0; i < commentsLinks.snapshotLength; i++) {  // For each group...
  84                                 var al = commentsLinks.snapshotItem(i);
  85
  86                                 this.prepareUL(al);
  87                         }
  88
  89                         if(AUTO_RELOAD > 0) {
  90                                 var change = document.evaluate("//td[@id='Changes']/table[1]",
  91                                                                  document.body, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null
  92                                                                  ).singleNodeValue;
  93                                 if(change) {
  94                                         setTimeout(function() { document.location.reload(); } , AUTO_RELOAD*60*1000);
  95                                         var reload = document.createElement('p');
  96                                         reload.innerHTML = "Next automatic reload in: "+AUTO_RELOAD+" min";
  97                                         reload.setAttribute("style","background-image: url(../images/dotted.gif); background-repeat: repeat-x; background-position: left top;padding-top:10px;");
  98                                         change.parentNode.insertBefore(reload,change.nextSibling);
  99                                         var cnt = 0;
 100                                         var timeout = function() {
 101                                                 var next = AUTO_RELOAD-(cnt++);
 102                                                 reload.innerHTML = "Next automatic reload in: "+
 103                                                         next+
 104                                                         ' min';
 105                                                 setTimeout(timeout, 60*1000);
 106                                         };
 107                                         setTimeout(timeout, 250);
 108                                 }
 109                         }
 110                 },
 111
 112                 //2
 113                 prepareUL: function(element) {
 114                         var read = GM_getValue('flickrgroupcomments.read');
 115
 116                         element.parentNode.parentNode.addEventListener('click',
 117                                                                                                                    getObjectMethodClosure11(this,"markAllAsRead",element),
 118                                                                                                                    true);
 119
 120                         news = element.getElementsByTagName("li");
 121                         for(var i=0;i<news.length;i++) {
 122                                 var li = news[i];
 123                                 var as = li.getElementsByTagName('A');
 124                                 if(as.length>0 && !/More\.\.\./.test(as[0].innerHTML)) {
 125                                         var num = -1;
 126                                         var re = new RegExp('<'+as[0].href+',([0-9]+)>');
 127                                         var matches;
 128                                         if(as.length > 1) {
 129                                                 matches = /\(([0-9]+) repl(ies|y)\)/.exec(li.innerHTML);
 130                                                 if(matches) {
 131                                                         num = parseInt(matches[1])+1;
 132                                                 }
 133                                         }
 134                                         if(read && (matches = re.exec(read))) {
 135                                                 var show = true;
 136                                                 // if we have already marked this one as read, but the
 137                                                 // stored number is different, then it's like if we did not read it.
 138                                                 // (see comment below)
 139                                                 if(num >= 0 && num != matches[1]) show = false;
 140                                                 if(show) {
 141                                                         li.className = 'read';
 142                                                 }
 143                                         }
 144
 145
 146                                         var showA = li.appendChild(document.createElement('A'));
 147                                         showA.innerHTML = "&nbsp;Show...";
 148                                         showA.title="Display the message(s).";
 149                                         showA.setAttribute("style","font-size:85%;color:grey;text-decoration: underline;");
 150                                         li.fgcShowA = showA;
 151                                         showA.addEventListener('click',
 152                                                                                    getObjectMethodClosure12(this,"getGroupId",li,element),
 153                                                                                    true);
 154
 155                                         li.addEventListener('click',
 156                                                                                 getObjectMethodClosure11(this,"markAsRead",li),
 157                                                                                 true);
 158                                 }
 159                         }
 160                 },
 161
 162                 //3
 163                 markAllAsRead: function(event, ul) {
 164                         if(event.target == ul || event.target.tagName == 'TD'|| event.target.tagName == 'H2') {
 165                                 var news = ul.getElementsByTagName("li");
 166                                 for(var i=0;i<news.length;i++) {
 167                                         this.markAsRead(null,news[i]);
 168                                 }
 169                         }
 170                 },
 171
 172                 //3
 173                 markAsRead: function(event,li) {
 174                         if(event) {
 175                                 if(event.target == li.fgcShowA) return;
 176                         }
 177                         var as = li.getElementsByTagName('A');
 178                         if(as.length>0 && !/More\.\.\./.test(as[0].innerHTML)) {
 179                                 li.className = 'read';
 180                                 var num = 1;
 181                                 if(as.length > 1) {
 182                                         var matches = /\(([0-9]+) repl(ies|y)\)/.exec(li.innerHTML);
 183                                         if(matches) {
 184                                                 num = parseInt(matches[1])+1;
 185                                         }
 186                                 }
 187                                 var read = GM_getValue('flickrgroupcomments.read');
 188                                 if(read) read += '<'+as[0].href+','+num+'>';
 189                                 else read = '<'+as[0].href+','+num+'>';
 190                                 GM_setValue('flickrgroupcomments.read',read);
 191                         }
 192                 },
 193
 194                 //3
 195                 getGroupId: function(event,li,element) {
 196                         var showA = li.fgcShowA;
 197                         showA.style.display = 'none';
 198
 199                         var newDiv = li.fgceNewDiv;
 200                         if(!newDiv) {
 201                                 newDiv = document.createElement("DIV");
 202                                 newDiv.innerHTML = '<img src="http://www.flickr.com/images/pulser2.gif" style="vertical-align:middle;margin-right:4px;border:0px #ffffff" />';
 203                                 li.fgceNewDiv = newDiv;
 204                         }
 205
 206                         var closeA = li.fgcCloseA;
 207                         if(!closeA) {
 208                                 closeA = li.appendChild(document.createElement('A'));
 209                                 closeA.addEventListener('click',function() {
 210                                                                                         newDiv.style.display='none';
 211                                                                                         showA.style.display='block';
 212                                                                                         closeA.style.display='none';
 213                                                                                         li.className = 'read';
 214                                                                                 }, true);
 215                                 closeA.innerHTML = "&nbsp;Hide";
 216                                 closeA.title="Hide the messages.";
 217                                 closeA.setAttribute("style","font-size:85%;color:grey;text-decoration: underline;");
 218                         }
 219                         li.appendChild(newDiv);
 220
 221                         if(!element.fgceGroupID) {
 222                                 matches = /(flickr.com)?\/groups\/(.+?)\//.exec(element.innerHTML);
 223
 224                                 if(matches) {
 225                                         var groupName = matches[2];
 226                                         var details = {
 227                                                 method    : "POST",
 228                                                 onload    : getObjectMethodClosure12(this,"process_groupID",li,element),
 229                                                 url       : "http://www.flickr.com/services/rest/?method=flickr.urls.lookupGroup&api_key=e8c3239ff04c102ce2d6ed885bf99005&url=" + encodeURIComponent("http://flickr.com/groups/"+groupName),
 230                                         };
 231
 232                                         GM_xmlhttpRequest( details );
 233                                 }
 234                         } else {
 235                                 this.groupIDReceived(element.fgceGroupID,li,element);
 236                         }
 237                 },
 238
 239                 //4
 240                 process_groupID: function(req,li,element) {
 241                         if(DEBUG) GM_log(req.responseText);
 242                         var rsp = req.responseText.replace(/<\?xml.*\?>/,'');
 243                         var rsp = new XML(rsp);
 244
 245                         if (rsp == null) {
 246                                 this.error( "Could not understand Flickr's response.", 0, req, li);
 247                         } else {
 248                                 var stat = rsp.@stat;
 249                                 if (stat == null) {
 250                                         this.error( "Could not find status of Flickr request", 0, req,li);
 251                                 } else if (stat != 'ok') {
 252                                         if (stat == 'fail') {
 253                                                 var err_node = rsp.err[0];
 254                                                 var code = err_node.@code;
 255                                                 var err_msg = err_node.@msg;
 256                                                 this.error( err_msg, code, req,li);
 257                                         } else {
 258                                                 this.error("Unknown error status: '" + stat + "'", 0, req,li)
 259                                         }
 260                                 } else {
 261                                         element.fgceGroupID = rsp..@id[0];
 262                                         this.groupIDReceived(element.fgceGroupID,li,element);
 263                                 }
 264                         }
 265                 },
 266
 267
 268                 //5
 269                 groupIDReceived: function(id,li,element) {
 270                         if(!element.rssFeed) {
 271                                 var details = {
 272                                         method    : "GET",
 273                                         onload    : getObjectMethodClosure12(this,"getGroupFeed",li,element),
 274                                         url       : "http://flickr.com/groups_feed.gne?id="+id+"&format=rss_200",
 275                                 };
 276
 277                                 GM_xmlhttpRequest( details );
 278                         } else {
 279                                 this.getGroupFeed(null,li,element);
 280                         }
 281                 },
 282
 283                 //6
 284                 getGroupFeed: function(req,li,element) {
 285                         if(DEBUG) GM_log(req.responseText);
 286
 287                         if(!element.rssFeed) {
 288                                  var rsp = req.responseText.replace(/<\?xml.*\?>/,'');
 289                                  rsp = new XML(rsp);
 290
 291                                  if (rsp == null) {
 292                                          this.error( "Could not parse rss.", 0, req,li);
 293                                          return;
 294                                  } else {
 295                                          element.rssFeed = rsp;
 296                                  }
 297                         }
 298                         this.getLastMessage(li,element.rssFeed);
 299                 },
 300
 301                 //7
 302                 getLastMessage: function(threadLi,rss) {
 303                         var links = threadLi.getElementsByTagName("a");
 304                         var newDiv = threadLi.fgceNewDiv;
 305                         newDiv.style.display = 'block';
 306                         if(links.length > 0){
 307                                 var matches = /^([0-9]+) new replies$/.exec(links[0].innerHTML);
 308                                 var html = '';
 309                                 var href = '';
 310                                 if(matches) {
 311                                         var num = parseInt(matches[1]);
 312                                         href = links[1].href;
 313                                 } else if(links[0].innerHTML == "New reply") {
 314                                         num = 1;
 315                                         href = links[1].href;
 316                                 } else {
 317                                         var matches = /\(([0-9]+) repl(ies|y)\)/.exec(threadLi.innerHTML);
 318                                         if(matches) {
 319                                                 num = parseInt(matches[1])+1;
 320                                         } else
 321                                                 num = 1;
 322                                         href = links[0].href;
 323                                 }
 324                                 //mark this one as read with X messages.
 325                                 //we need to keep track of the number for the case of the "New Topic ... (X replies)"
 326                                 //where the href is the same but does not always point to the same number of message
 327                                 var read = GM_getValue('flickrgroupcomments.read');
 328                                 if(read) read += '<'+links[0].href+','+num+'>';
 329                                 else read = '<'+links[0].href+','+num+'>';
 330                                 GM_setValue('flickrgroupcomments.read',read);
 331                                 newDiv.innerHTML = this.findMessages(rss,href,num);
 332                         }
 333                 },
 334
 335                 //8
 336                 findMessages: function(rss,link,num) {
 337                         var mess = '';
 338                         var messArray = new Array();
 339                         cnt = 1;
 340                         //we have to introduce the www. as the rss links always contains it,
 341                         // but you could have links in the web page without them.
 342                         link = link.replace(/^http:\/\/(www.)?/,"http://www.");
 343                         for each(item in rss..item) {
 344                                 if(item.link.indexOf(link) == 0 && cnt <= num) {
 345                                         //mark all the one we see here are read too.
 346                                         var read = GM_getValue('flickrgroupcomments.read');
 347                                         if(read) read += '<'+item.link+',1>';
 348                                         else read = '<'+item.link+',1>';
 349
 350                                         //TODO: here we could only push it if it has not been read yet.
 351                                         messArray.push(item.description);
 352                                         cnt++;
 353                                 } else if(cnt > num) {
 354                                         break;
 355                                 }
 356                         }
 357                         if(cnt==1) {
 358                                 mess="sorry, message not found";
 359                         } else {
 360                                 mess = "<ul style=\"list-style-type:none;margin: 0; padding:0;\">";
 361                                 for(var i=messArray.length-1;i>=0;i--)
 362                                         mess += "<li style=\"background-image: url(../images/dotted.gif); background-repeat: repeat-x; background-position: left bottom;padding-left: 1em;padding-bottom:1em;\">"+messArray[i]+"</li>";
 363                                 mess += "</ul>";
 364                         }
 365                         return mess;
 366                 },
 367
 368                 error: function(err_msg, code, req, li) {
 369                         if(li.fgceNewDiv) li.fgceNewDiv.innerHTML = '<b style="color:red">'+err_msg+'</b>';
 370                 }
 371         }
 372
 373         //======================================================================
 374         // launch
 375         try {
 376                 window.addEventListener("load", function () {
 377                         try {
 378
 379                                 // update automatically (http://userscripts.org/scripts/show/2296)
 380                                 win.UserScriptUpdates.requestAutomaticUpdates(SCRIPT);
 381                         } catch (ex) {}
 382
 383                         var flickrgp = new win.FlickrGroupComments();
 384                         flickrgp.init();
 385                 }, false);
 386         } catch (ex) {}
 387
 388 })();