Function initShareId

togetherjs/session.js:274–368

()

  initIdentityId.done = initIdentityId();

  function initShareId() {
    return util.Deferred(function (def) {
      var hash = location.hash;
      var shareId = session.shareId;
      var isClient = true;
      var set = true;
      var sessionId;
      session.firstRun = ! TogetherJS.startup.continued;
      if (! shareId) {
        if (TogetherJS.startup._joinShareId) {
          // Like, below, this *also* means we got the shareId from the hash
          // (in togetherjs.js):
          shareId = TogetherJS.startup._joinShareId;
        }
      }
      if (! shareId) {
        // FIXME: I'm not sure if this will ever happen, because togetherjs.js should
        // handle it
        var m = /&?togetherjs=([^&]*)/.exec(hash);
        if (m) {
          isClient = ! m[1];
          shareId = m[2];
          var newHash = hash.substr(0, m.index) + hash.substr(m.index + m[0].length);
          location.hash = newHash;
        }
      }
      return storage.tab.get("status").then(function (saved) {
        var findRoom = TogetherJS.config.get("findRoom");
        TogetherJS.config.close("findRoom");
        if (findRoom && saved && findRoom != saved.shareId) {
          console.info("Ignoring findRoom in lieu of continued session");
        } else if (findRoom && TogetherJS.startup._joinShareId) {
          console.info("Ignoring findRoom in lieu of explicit invite to session");
        }
        if (findRoom && typeof findRoom == "string" && (! saved) && (! TogetherJS.startup._joinShareId)) {
          isClient = true;
          shareId = findRoom;
          sessionId = util.generateId();
        } else if (findRoom && (! saved) && (! TogetherJS.startup._joinShareId)) {
          assert(findRoom.prefix && typeof findRoom.prefix == "string", "Bad findRoom.prefix", findRoom);
          assert(findRoom.max && typeof findRoom.max == "number" && findRoom.max > 0,
                 "Bad findRoom.max", findRoom);
          sessionId = util.generateId();
          if (findRoom.prefix.search(/[^a-zA-Z0-9]/) != -1) {
            console.warn("Bad value for findRoom.prefix:", JSON.stringify(findRoom.prefix));
          }
          getRoomName(findRoom.prefix, findRoom.max).then(function (shareId) {
            // FIXME: duplicates code below:
            session.clientId = session.identityId + "." + sessionId;
            storage.tab.set("status", {reason: "joined", shareId: shareId, running: true, date: Date.now(), sessionId: sessionId});
            session.isClient = true;
            session.shareId = shareId;
            session.emit("shareId");
            def.resolve(session.shareId);
          });
          return;
        } else if (TogetherJS.startup._launch) {
          if (saved) {