std/metadata.js

   1 /*
   2     Pitchfork Music Player Daemon Client
   3     Copyright (C) 2007  Roger Bystrøm
   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; version 2 of the License.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License along
  15     with this program; if not, write to the Free Software Foundation, Inc.,
  16     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17 */
  18
  19 var ALBUMART_NO_COVER = "../images/gmpc-no-cover.png";
  20 var ALBUMART_NO_COVER_THUMB = "../images/gmpc-no-cover-thumb.png";
  21
  22 function metadata_open_default() {
  23         sidebar_open("metadata");
  24         metadata_open_lyrics(); // default opening is lyrics
  25 }
  26
  27 function metadata_init() {
  28
  29         var elem = document.getElementById('metadata_open');
  30         if(elem)
  31                 add_listener(elem, "click", metadata_open_default);
  32         elem = document.getElementById("metadata_close");
  33         if(elem)
  34                 add_listener(elem, "click", sidebar_close);
  35
  36         elem = document.getElementById("metadata_open_lyrics");
  37         if(elem)
  38                 add_listener(elem, "click", metadata_open_lyrics);
  39         elem = document.getElementById('metadata_open_review');
  40         if(elem)
  41                 add_listener(elem, "click", metadata_open_review);
  42         elem = document.getElementById('metadata_open_description');
  43         if(elem)
  44                 add_listener(elem, "click", metadata_open_description);
  45         if(sidebar.display)
  46                 add_listener(sidebar.display, "click", metadata_lyrics_refetch);
  47         elem = document.getElementById("recommendation_open");
  48         if(elem)
  49                 add_listener(elem, "click", recommend_open);
  50 }
  51
  52 function parse_html_tags(txt) {
  53         txt = txt.replace(/&lt;i&gt;/gi, "<i>");
  54         txt = txt.replace(/&lt;\/i&gt;/gi, "</i>");
  55         txt = txt.replace(/\n/g, "<br/>\n");
  56         txt = txt.replace(/&lt;p&gt;/gi, "<br/><br/>\n");
  57         txt = txt.replace(/&lt;\/p&gt;/gi, "");
  58         return txt;
  59 }
  60
  61 function metadata_set_content(content) {
  62         /* don't display the content if right view is not open */
  63         if(sidebar.open_view=="metadata")
  64                 sidebar.set_content(content);
  65 }
  66
  67 function metadata_open_lyrics(e, force) {
  68         sidebar.say_loading();
  69         sidebar.last_metadata_request = "lyrics";
  70         if(playing.title&&playing.artist&&playing.title.length>0&&playing.artist.length>0) {
  71                 var http = new XMLHttpRequest();
  72                 http.open("GET", "metadata.php?lyric" + (force?"&force":""), true);
  73                 http.onreadystatechange = function() {
  74                         if(http.readyState==4&&sidebar.last_metadata_request=="lyrics") {
  75                                 var lyrics = create_fragment();
  76                                 if(http.responseText=="nocachedir") {
  77                                         lyrics.appendChild(create_txt(LANG.E_MISSING_CACHE));
  78                                 }
  79
  80                                 if(http.responseXML) {
  81                                         var result = get_tag(http.responseXML, "result");
  82                                         if(result=="failed") {
  83                                                 lyrics.appendChild(create_txt(LANG.E_LYRICS_FAILURE));
  84                                         }
  85                                         else if(result=="notfound") {
  86                                                 lyrics.appendChild(create_txt(LANG.E_LYRICS_NOT_FOUND));
  87                                                 var url = get_tag(http.responseXML, "url");
  88                                                 if(url) {
  89                                                         lyrics.appendChild(metadata_build_lyricwiki_url(url, LANG.ADD));
  90                                                 }
  91                                         }
  92                                         else {
  93                                                 var refetch = create_node("p");
  94                                                 refetch.appendChild(create_txt("["+LANG.REFETCH+"]"));
  95                                                 refetch.className = "fakelink";
  96                                                 refetch.id = "lyrics_refetch_button";
  97                                                 lyrics.appendChild(refetch);
  98                                                 var title = create_node("span");
  99                                                 title.style.fontSize = "larger";
 100                                                 title.style.marginRight = "60px";
 101                                                 title.appendChild(create_txt(get_tag(http.responseXML, "title")));
 102                                                 var artist = create_node("span");
 103                                                 artist.style.fontSize = "100%";
 104                                                 artist.appendChild(create_txt(get_tag(http.responseXML, "artist")));
 105
 106                                                 lyrics.appendChild(title);
 107                                                 lyrics.appendChild(create_node("br"));
 108                                                 lyrics.appendChild(artist);
 109                                                 lyrics.appendChild(create_node("br"));
 110                                                 lyrics.appendChild(create_node("br"));
 111
 112                                                 var song = get_tag(http.responseXML, "lyric");
 113                                                 if(song&&song.length) {
 114                                                         add_string_with_br(lyrics, song);
 115                                                 }
 116                                                 else {
 117                                                         lyrics.appendChild(create_txt(LANG.E_MISSING_LYRICS));
 118                                                 }
 119                                                 var url = get_tag(http.responseXML, "url");
 120                                                 if(url) {
 121                                                         lyrics.appendChild(metadata_build_lyricwiki_url(url, LANG.EDIT));
 122                                                 }
 123                                         }
 124                                 }
 125                                 else {
 126                                         lyrics.appendChild(create_txt(LANG.E_COMM_PROBLEM));
 127                                 }
 128                                 metadata_set_content(lyrics);
 129                         }
 130                 }
 131                 http.send(null);
 132         }
 133         else {
 134                 metadata_set_content(create_txt(LANG.E_MISSING_AS_NAME));
 135         }
 136 }
 137
 138 function metadata_build_lyricwiki_url(url, txt) {
 139         var a = create_node("a");
 140         a.href = url.replace(/&amp;/i, "&");
 141         a.title = sprintf(LANG.LYRICWIKI_LYRIC, txt);
 142         a.target = "_new";
 143         a.appendChild(create_txt("[" + txt + "]"));
 144         a.style.display = "block";
 145         a.style.marginTop = "10px";
 146         return a;
 147 }
 148
 149 function metadata_lyrics_refetch(e) {
 150         if(e&&e.target&&e.target.id=="lyrics_refetch_button") {
 151                 stop_event(e);
 152                 metadata_open_lyrics(e, true);
 153         }
 154 }
 155
 156 function metadata_open_review() {
 157         request_review_desc(0);
 158 }
 159 function metadata_open_description() {
 160         request_review_desc(1);
 161 }
 162
 163 function request_review_desc(type) {
 164         sidebar.say_loading();
 165         sidebar.last_metadata_request = "review";
 166         if(playing.album&&playing.artist&&playing.album.length>0&&playing.artist.length>0) {
 167                 var http = new XMLHttpRequest()
 168                 var album = playing.album;
 169                 var artist = playing.artist;
 170                 http.open("GET", "metadata.php?review&artist=" + encodeURIComponent(playing.artist) +
 171                         "&album=" + encodeURIComponent(playing.album), true);
 172                 http.onreadystatechange = function() {
 173                         if(http.readyState==4&&sidebar.last_metadata_request=="review") {
 174                                 if(get_tag(http.responseXML, "result")) {
 175                                         metadata_set_content(LANG.E_GET_INFO);
 176                                         return;
 177                                 }
 178
 179                                 var content = create_fragment();
 180                                 var tmp = "";
 181                                 var stuff = "";
 182                                 if(type==0) {
 183                                         tmp = LANG.ALBUM_REVIEW;
 184                                         stuff = get_tag(http.responseXML, "review");
 185                                 }
 186                                 else if(type==1) {
 187                                         tmp = LANG.ALBUM_DESC;
 188                                         stuff = get_tag(http.responseXML, "desc");
 189                                 }
 190                                 if(stuff) {
 191                                         if(!playing.asin) {
 192                                                 var asin = get_tag(http.responseXML, "asin");
 193                                                 if(asin)
 194                                                         playing.asin = asin;
 195                                         }
 196                                         tmp+=sprintf(LANG.ALBUM_AA_NAME, album, artist);
 197                                         tmp = create_node("span", null, tmp);
 198                                         tmp.style.fontSize = "larger";
 199                                         content.appendChild(tmp);
 200                                         content.appendChild(create_node("br"));
 201                                         content.appendChild(create_node("br"));
 202                                         tmp = create_node("span");
 203                                         tmp.innerHTML = parse_html_tags(stuff);
 204                                         content.appendChild(tmp);
 205                                         tmp = create_node("a");
 206                                         tmp.appendChild(create_txt(LANG.NT_AMAZON));
 207                                         if(build_amazon_link(tmp)) {
 208                                                 content.appendChild(create_node("br"));
 209                                                 content.appendChild(create_node("br"));
 210                                                 content.appendChild(tmp);
 211                                         }
 212                                 }
 213                                 else {
 214                                         content.appendChild(create_txt(sprintf(LANG.E_NOT_FOUND, tmp.toLowerCase())));
 215                                 }
 216                                 metadata_set_content(content);
 217                         }
 218                 }
 219                 http.send(null);
 220         }
 221         else {
 222                 metadata_set_content(create_txt(LANG.E_MISSING_AA_NAME));
 223         }
 224 }
 225
 226
 227 /* album art */
 228 function request_thumbnail() {
 229         var albumart = document.getElementById("albumart");
 230         var rartist = playing.artist;
 231         var ralbum = playing.album;
 232
 233         remove_children(albumart);
 234         if(playing.album&&playing.artist&&ralbum.length>0&&rartist.length>0) {
 235                 var http = new XMLHttpRequest()
 236                 http.open("GET", "metadata.php?cover&artist=" + encodeURIComponent(rartist) +
 237                         "&album=" + encodeURIComponent(ralbum), true);
 238                 http.onreadystatechange = function() {
 239                         if(http.readyState==4) {
 240                         try {
 241                                 if(http.responseText=="nocachedir") {
 242                                         debug(LANG.E_MISSING_CACHE); // TODO
 243                                         return;
 244                                 }
 245                                 if(get_tag(http.responseXML, "result")) {
 246                                         // something's not okay.... TODO
 247                                         return;
 248                                 }
 249
 250                                 /* test if we're still wanted */
 251                                 if(rartist != playing.artist || ralbum != playing.album)
 252                                         return;
 253
 254                                 var thumb = get_tag(http.responseXML, "thumbnail");
 255                                 var url = thumb;
 256
 257                                 if(!url) {
 258                                         url = ALBUMART_NO_COVER_THUMB;
 259                                 }
 260                                 else {
 261                                         url = ALBUMART_URL + encodeURIComponent(thumb);
 262                                 }
 263
 264                                 playing.image = get_tag(http.responseXML, "image");
 265
 266                                 var img = create_node("img");
 267                                 img.src = url;
 268                                 add_listener(img, "click", show_big_albumart);
 269                                 img.className = "thumbnailart";
 270                                 if(albumart.hasChildNodes()) {
 271                                         /* probably just one, but... */
 272                                         var imgs = albumart.getElementsByTagName("img");
 273                                         for(var i=0; i<imgs.length; i++) {
 274                                                 remove_listener(imgs[i], "click", show_big_albumart);
 275                                         }
 276                                         remove_children(albumart);
 277                                 }
 278                                 albumart.appendChild(img);
 279
 280                                 var asin = get_tag(http.responseXML, "asin");
 281                                 if(asin)
 282                                         playing.asin = asin;
 283                                 else playing.asin = false;
 284
 285                                 if(albumart_is_open())
 286                                         show_big_albumart();
 287
 288                         }
 289                         catch(e) {
 290                                 //debug("request_thumbmail error: " + e.message);
 291                         }
 292                         }
 293                 }
 294                 http.send(null);
 295         }
 296 }
 297
 298 function show_big_albumart() {
 299
 300         var div = document.getElementById("albumart_show");
 301         var close = false;
 302         if(!div) {
 303                 div = create_node("div", "albumart_show");
 304                 div.className = "big_albumart";
 305                 document.body.appendChild(div);
 306                 close = create_node("p");
 307                 close.style.color = "white";
 308                 close.style.position = "absolute";
 309                 close.style.right = "5px";
 310                 close.style.bottom = "0px";
 311                 close.style.margin = "0px 5px 5px 0px";
 312                 close.className = "fakelink";
 313                 close.appendChild(create_txt("[" + LANG.CLOSE + "]"));
 314         }
 315
 316         /* if it hadn't been for opera we could have used the old one */
 317         var oimg = document.getElementById("albumart_img");
 318         var img = create_node("img", "albumart_img");
 319         img.className = "big_albumart";
 320         img.style.display = "none";
 321         if(oimg)
 322                 replace_node(img, oimg);
 323         else
 324                 div.appendChild(img);
 325
 326         add_listener(img, "load", albumart_loaded);
 327
 328         var node = document.getElementById("albumart_txt");
 329         if(!node) {
 330                 node = create_node("p", "albumart_txt");
 331                 div.appendChild(node);
 332         }
 333         remove_children(node);
 334         node.appendChild(create_txt(LANG.WAIT_LOADING));
 335
 336         add_listener(div, "click", albumart_big_remove);
 337         div.style.display = "";
 338         var url = "";
 339         if(playing.image&&playing.image.length)
 340                 url = ALBUMART_URL + encodeURIComponent(playing.image);
 341         else url = ALBUMART_NO_COVER;
 342
 343         if(close)
 344                 div.appendChild(close);
 345
 346         img.src = url;
 347
 348 }
 349
 350 function albumart_is_open() {
 351         var aa = document.getElementById("albumart_show");
 352         if(aa&&aa.style.display != "none")
 353                 return true;
 354         return false;
 355 }
 356
 357 function albumart_big_remove() {
 358         var aa = document.getElementById("albumart_show");
 359         var img = document.getElementById("albumart_img");
 360         img.style.display = "none";
 361         remove_listener(aa, "click", albumart_big_remove);
 362         aa.style.display = "none";
 363         aa.style.height = "";
 364         aa.style.width = "";
 365 }
 366
 367 function albumart_loaded() {
 368         var img = document.getElementById("albumart_img");
 369         var disp = document.getElementById("albumart_show");
 370         var txt = document.getElementById("albumart_txt");
 371         remove_listener(img, "load", albumart_loaded);
 372         img.style.opacity = "0.1";
 373         albumart_resize(disp, img);
 374         adjust_opacity_timer(img, 0.0, 1.0);
 375         remove_children(txt);
 376         if(playing.asin&&playing.asin.length>0) {
 377                 var a = create_node("a");
 378                 build_amazon_link(a);
 379                 a.appendChild(create_txt(LANG.NT_AMAZON));
 380                 a.style.color = "white";
 381                 a.style.textTransform = "none";
 382                 a.title = LANG.ALBUM_AMAZON;
 383                 txt.appendChild(a);
 384         }
 385 }
 386
 387 function albumart_resize(disp, img) {
 388         var width = 500;
 389         var height = 500;
 390         img.style.visibility = "hidden";
 391         img.style.display = "inline";
 392         var got_real = true;
 393         if(img.height)
 394                 height = img.height;
 395         else got_real = false;
 396         if(img.width)
 397                 width = img.width;
 398         else got_real = false;
 399         disp.style.height = (height+ 30) + "px";
 400         disp.style.width = (width + 0) + "px";
 401         img.style.visibility = "visible";
 402         return got_real;
 403 }
 404
 405 function build_amazon_link(a) {
 406         if(playing.asin&&playing.asin.length>0) {
 407                 a.href = "http://www.amazon.com/gp/product/" + playing.asin + "?ie=UTF8&tag=httppitchfork-20" +
 408                          "&linkCode=as2&camp=1789&creative=9325&creativeASIN=" + playing.asin;
 409                 a.target = "_new";
 410                 return true;
 411         }
 412         else {
 413                 return false;
 414         }
 415 }
 416
 417 function recommend_init() {
 418         var tmp = create_node("p");
 419         tmp.className = "nomargin";
 420         tmp.appendChild(create_txt(LANG.RECOMMEND_RECOMMENDATIONS));
 421         var close = create_node("span", null, " ["+LANG.CLOSE+"]");
 422         add_listener(close, "click", sidebar_close);
 423         close.className = "fakelink";
 424         tmp.appendChild(close);
 425         sidebar.add_view("recommend", tmp, 20);
 426 }
 427
 428 function recommend_open() {
 429         sidebar_open("recommend");
 430         sidebar.set_content(create_txt(LANG.WAIT_LOADING));
 431         recommend_fetch_data();
 432 }
 433
 434 function recommend_set_content(c) {
 435         if(sidebar.open_view == "recommend")
 436                 sidebar.set_content(c);
 437 }
 438
 439 function recommend_fetch_data() {
 440         if(!playing.pl_size) {
 441                 recommend_set_content(LANG.RECOMMEND_EMPTY_PLAYLIST);
 442                 return;
 443         }
 444         var http = new XMLHttpRequest()
 445         http.open("GET", "metadata.php?plrecommend", true);
 446         http.onreadystatechange = function() {
 447                 if(http.readyState==4) {
 448
 449                         var result = http.responseXML.getElementsByTagName("result")[0];
 450                         if(!result || result.textContent=="failed" || !result.hasChildNodes()) {
 451                                 recommend_set_content(create_txt(LANG.E_COMM_PROBLEM));
 452                                 return;
 453                         }
 454                         var exists = create_node("ul");
 455                         var others = create_node("ul");
 456                         exists.className = "recommended";
 457                         others.style.paddingLeft = "10px";
 458
 459                         add_listener(exists, "click", recommend_toggle_open);
 460                         add_listener(exists, "mousedown", stop_event);
 461
 462                         result = result.childNodes;
 463                         for(var i=0; i < result.length; i++) {
 464                                 var a = result[i];
 465                                 var artist = get_tag(a, "name");
 466                                 var albums = a.getElementsByTagName( "album")[0];
 467
 468                                 if(albums&&albums.hasChildNodes()) {
 469                                         var list = create_node("li", null, artist);
 470                                         var slist = create_node("ul");
 471                                         add_listener(slist, "click", recommend_add_to_playlist);
 472                                         var node = albums.firstChild;
 473                                         while(node) {
 474                                                 var tmp = create_node("li", null, node.textContent);
 475                                                 tmp.title = LANG.RECOMMEND_ADDTOPLAYLIST;
 476                                                 tmp.setAttribute("artist", artist);
 477                                                 slist.appendChild(tmp);
 478                                                 node = node.nextSibling;
 479                                         }
 480                                         list.appendChild(slist);
 481                                         exists.appendChild(list);
 482                                 }
 483                                 else {
 484                                         var li = create_node("li", null, artist);
 485                                         others.appendChild(li);
 486                                 }
 487                         }
 488                         var tmp = create_fragment();
 489                         // todo: size
 490                         tmp.appendChild(create_txt(LANG.RECOMMEND_SIMILAR));
 491                         tmp.appendChild(exists);
 492                         // todo: size
 493                         tmp.appendChild(create_txt(LANG.RECOMMEND_ARTISTS));
 494                         tmp.appendChild(others);
 495                         recommend_set_content(tmp);
 496                 }
 497         }
 498         http.send(null);
 499 }
 500
 501 function recommend_toggle_open(e) {
 502         if(e.target.parentNode.className != "recommended")
 503                 return;
 504         if(e.target.hasAttribute("open"))
 505                 e.target.removeAttribute("open");
 506         else e.target.setAttribute("open", "k");
 507 }
 508
 509 function recommend_add_to_playlist(e) {
 510         if(!e.target.hasAttribute("artist"))
 511                 return;
 512         send_command("searchadd&artist=" + encodeURIComponent(e.target.getAttribute("artist")) +
 513                 "&album=" + encodeURIComponent(e.target.textContent), browser_add_cb, LANG.WAIT_ADDING);
 514 }