sync/www/assets/js/util.js

/*
The MIT License (MIT)
Copyright (c) 2013 Calvin Montgomery

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

function makeAlert(title, text, klass) {
    if(!klass) {
        klass = "alert-info";
    }

    var al = $("<div/>").addClass("alert")
        .addClass(klass)
        .html(text);
    $("<br/>").prependTo(al);
    $("<strong/>").text(title).prependTo(al);
    $("<button/>").addClass("close pull-right").html("&times;")
        .click(function() {
            al.hide("blind", function() {
                al.remove();
            });
        })
        .prependTo(al);
    return al;
}

function formatURL(data) {
    switch(data.type) {
        case "yt":
            return "http://youtube.com/watch?v=" + data.id;
        case "vi":
            return "http://vimeo.com/" + data.id;
        case "dm":
            return "http://dailymotion.com/video/" + data.id;
        case "sc":
            return data.id;
        case "li":
            return "http://livestream.com/" + data.id;
        case "tw":
            return "http://twitch.tv/" + data.id;
        case "jt":
            return "http://justin.tv/" + data.id;
        case "rt":
            return data.id;
        case "jw":
            return data.id;
        case "im":
            return "http://imgur.com/a/" + data.id;
        case "us":
            return "http://ustream.tv/" + data.id;
        default:
            return "#";
    }
}

function findUserlistItem(name) {
    var children = $("#userlist .userlist_item");
    if(children.length == 0)
        return null;
    name = name.toLowerCase();
    // WARNING: Incoming hax because of jQuery and bootstrap bullshit
    var keys = Object.keys(children);
    for(var k in keys) {
        var i = keys[k];
        if(isNaN(parseInt(i))) {
            continue;
        }
        var child = children[i];
        if($(child.children[1]).text().toLowerCase() == name)
            return $(child);
    }
    return null;
}

function formatUserlistItem(div) {
    var data = {
        name: div.data("name") || "",
        rank: div.data("rank"),
        profile: div.data("profile") || { image: "", text: ""},
        leader: div.data("leader") || false,
        icon: div.data("icon") || false,
        afk: div.data("afk") || false
    };
    var name = $(div.children()[1]);
    name.removeClass();
    name.css("font-style", "");
    name.addClass(getNameColor(data.rank));
    div.find(".profile-box").remove();

    var profile = null;
    name.mouseenter(function(ev) {
        if (profile)
            profile.remove();

        profile = $("<div/>")
            .addClass("profile-box")
            .css("top", (ev.pageY + 5) + "px")
            .css("left", ev.pageX + "px")
            .appendTo(div);
        if(data.profile.image) {
            $("<img/>").addClass("profile-image")
                .attr("src", data.profile.image)
                .appendTo(profile);
        }
        $("<strong/>").text(data.name).appendTo(profile);
        $("<p/>").text(data.profile.text).appendTo(profile);
    });
    name.mousemove(function(ev) {
        profile.css("top", (ev.pageY + 5) + "px")
            .css("left", ev.pageX + "px")
    });
    name.mouseleave(function() {
        profile.remove();
    });
    var flair = div.children()[0];
    flair.innerHTML = "";
    // denote current leader with a star
    if(data.leader) {
        $("<i/>").addClass("icon-star-empty").appendTo(flair);
    }
    if(data.afk) {
        name.css("font-style", "italic");
        $("<i/>").addClass("icon-time").appendTo(flair);
    }
    if (data.icon) {
        $("<i/>").addClass(data.icon).prependTo(flair);
    }
}

function getNameColor(rank) {
    if(rank >= Rank.Siteadmin)
        return "userlist_siteadmin";
    else if(rank >= Rank.Admin)
        return "userlist_owner";
    else if(rank >= Rank.Moderator)
        return "userlist_op";
    else if(rank == Rank.Guest)
        return "userlist_guest";
    else
        return "";
}

function addUserDropdown(entry) {
    var name = entry.data("name"),
        rank = entry.data("rank"),
        leader = entry.data("leader");
    entry.find(".user-dropdown").remove();
    var menu = $("<div/>")
        .addClass("user-dropdown")
        .appendTo(entry)
        .hide();

    $("<strong/>").text(name).appendTo(menu);
    $("<br/>").appendTo(menu);

    /* rank selector (admin+ only)
       to prevent odd behaviour, this selector is only visible
       when the selected user has a normal rank (e.g. not a guest
       or a non-moderator leader
    */
    if(CLIENT.rank >= 3 && CLIENT.rank > rank && rank > 0 && rank != 1.5) {
        var sel = $("<select/>")
            .addClass("input-block-level")
            .appendTo(menu);
        $("<option/>").attr("value", "1").text("Regular User")
            .appendTo(sel);
        $("<option/>").attr("value", "2").text("Moderator")
            .appendTo(sel);
        if(CLIENT.rank > 3) {
            $("<option/>").attr("value", "3").text("Channel Admin")
                .appendTo(sel);
            if(rank > 3) {
                $("<option/>").attr("value", ""+rank)
                    .text("Current Rank (" + rank + ")")
                    .appendTo(sel);
            }
        }
        sel.change(function () {
            socket.emit("setChannelRank", {
                user: name,
                rank: parseInt(sel.val())
            });
        });
        sel.val(""+rank);
    }

    /* ignore button */
    var ignore = $("<button/>").addClass("btn btn-mini btn-block")
        .appendTo(menu)
        .click(function () {
            if(IGNORED.indexOf(name) == -1) {
                ignore.text("Unignore User");
                IGNORED.push(name);
            } else {
                ignore.text("Ignore User");
                IGNORED.splice(IGNORED.indexOf(name), 1);
            }
        });
    if(IGNORED.indexOf(name) == -1) {
        ignore.text("Ignore User");
    } else {
        ignore.text("Unignore User");
    }

    /* gib/remove leader (moderator+ only) */
    if(CLIENT.rank >= 2) {
        var ldr = $("<button/>").addClass("btn btn-mini btn-block")
            .appendTo(menu);
        if(leader) {
            ldr.text("Remove Leader");
            ldr.click(function () {
                socket.emit("assignLeader", {
                    name: ""
                });
            });
        } else {
            ldr.text("Give Leader");
            ldr.click(function () {
                socket.emit("assignLeader", {
                    name: name
                });
            });
        }
    }

    /* kick button */
    if(hasPermission("kick")) {
        $("<button/>").addClass("btn btn-mini btn-block")
            .text("Kick")
            .click(function () {
                socket.emit("chatMsg", {
                    msg: "/kick " + name
                });
            })
            .appendTo(menu);
    }

    /* ban buttons */
    if(hasPermission("ban")) {
        $("<button/>").addClass("btn btn-mini btn-block")
            .text("Name Ban")
            .click(function () {
                socket.emit("chatMsg", {
                    msg: "/ban " + name
                });
            })
            .appendTo(menu);
        $("<button/>").addClass("btn btn-mini btn-block")
            .text("IP Ban")
            .click(function () {
                socket.emit("chatMsg", {
                    msg: "/ipban " + name
                });
            })
            .appendTo(menu);
    }

    entry.contextmenu(function(ev) {
        ev.preventDefault();
        if(menu.css("display") == "none") {
            $(".user-dropdown").hide();
            $(document).bind("mouseup.userlist-ddown", function (e) {
                if (menu.has(e.target).length === 0 &&
                    entry.parent().has(e.target).length === 0) {
                    menu.hide();
                    $(document).unbind("mouseup.userlist-ddown");
                }
            });
            menu.show();
        } else {
            menu.hide();
        }
        return false;
    });
}

function calcUserBreakdown() {
    var breakdown = {
        "Site Admins": 0,
        "Channel Admins": 0,
        "Moderators": 0,
        "Regular Users": 0,
        "Guests": 0,
        "Anonymous": 0,
        "AFK": 0
    };
    var total = 0;
    $("#userlist .userlist_item").each(function (index, item) {
        var data = {
            rank: $(item).data("rank")
        };

        if(data.rank >= 255)
            breakdown["Site Admins"]++;
        else if(data.rank >= 3)
            breakdown["Channel Admins"]++;
        else if(data.rank == 2)
            breakdown["Moderators"]++;
        else if(data.rank >= 1)
            breakdown["Regular Users"]++;
        else
            breakdown["Guests"]++;

        total++;

        if($(item).find(".icon-time").length > 0)
            breakdown["AFK"]++;
    });

    breakdown["Anonymous"] = CHANNEL.usercount - total;

    return breakdown;
}

function sortUserlist() {
    var slice = Array.prototype.slice;
    var list = slice.call($("#userlist .userlist_item"));
    list.sort(function (a, b) {
        var r1 = $(a).data("rank");
        var r2 = $(b).data("rank");
        var afk1 = $(a).find(".icon-time").length > 0;
        var afk2 = $(b).find(".icon-time").length > 0;
        var name1 = a.children[1].innerHTML.toLowerCase();
        var name2 = b.children[1].innerHTML.toLowerCase();

        if(USEROPTS.sort_afk) {
            if(afk1 && !afk2)
                return 1;
            if(!afk1 && afk2)
                return -1;
        }

        if(USEROPTS.sort_rank) {
            if(r1 < r2)
                return 1;
            if(r1 > r2)
                return -1;
        }

        return name1 === name2 ? 0 : (name1 < name2 ? -1 : 1);
    });

    list.forEach(function (item) {
        $(item).detach();
    });
    list.forEach(function (item) {
        $(item).appendTo($("#userlist"));
    });
}

/* queue stuff */

function scrollQueue() {
    var li = playlistFind(PL_CURRENT);
    if(!li)
        return;

    li = $(li);
    $("#queue").scrollTop(0);
    var scroll = li.position().top - $("#queue").position().top;
    $("#queue").scrollTop(scroll);
}

function makeQueueEntry(item, addbtns) {
    var video = item.media;
    var li = $("<li/>");
    li.addClass("queue_entry");
    li.addClass("pluid-" + item.uid);
    li.data("uid", item.uid);
    li.data("media", video);
    li.data("temp", item.temp);
    if(video.thumb) {
        $("<img/>").attr("src", video.thumb.url)
            .css("float", "left")
            .css("clear", "both")
            .appendTo(li);
    }
    var title = $("<a/>").addClass("qe_title").appendTo(li)
        .text(video.title)
        .attr("href", formatURL(video))
        .attr("target", "_blank");
    var time = $("<span/>").addClass("qe_time").appendTo(li);
    time.text(video.duration);
    var clear = $("<div/>").addClass("qe_clear").appendTo(li);
    if(item.temp) {
        li.addClass("queue_temp");
    }

    if(addbtns)
        addQueueButtons(li);
    return li;
}

function makeSearchEntry(video) {
    var li = $("<li/>");
    li.addClass("queue_entry");
    li.data("media", video);
    if(video.thumb) {
        $("<img/>").attr("src", video.thumb.url)
            .css("float", "left")
            .css("clear", "both")
            .appendTo(li);
    }
    var title = $("<a/>").addClass("qe_title").appendTo(li)
        .text(video.title)
        .attr("href", formatURL(video))
        .attr("target", "_blank");
    var time = $("<span/>").addClass("qe_time").appendTo(li);
    time.text(video.duration);
    var clear = $("<div/>").addClass("qe_clear").appendTo(li);

    return li;
}

function addQueueButtons(li) {
    li.find(".btn-group").remove();
    var menu = $("<div/>").addClass("btn-group").appendTo(li);
    // Play
    if(hasPermission("playlistjump")) {
        $("<button/>").addClass("btn btn-mini qbtn-play")
            .html("<i class='icon-play'></i>Play")
            .click(function() {
                socket.emit("jumpTo", li.data("uid"));
            })
            .appendTo(menu);
    }
    // Queue next
    if(hasPermission("playlistmove")) {
        $("<button/>").addClass("btn btn-mini qbtn-next")
            .html("<i class='icon-share-alt'></i>Queue Next")
            .click(function() {
                socket.emit("moveMedia", {
                    from: li.data("uid"),
                    after: PL_CURRENT
                });
            })
            .appendTo(menu);
    }
    // Temp/Untemp
    if(hasPermission("settemp")) {
        var tempstr = li.data("temp")?"Make Permanent":"Make Temporary";
        $("<button/>").addClass("btn btn-mini qbtn-tmp")
            .html("<i class='icon-flag'></i>" + tempstr)
            .click(function() {
                socket.emit("setTemp", {
                    uid: li.data("uid"),
                    temp: !li.data("temp")
                });
            })
            .appendTo(menu);
    }
    // Delete
    if(hasPermission("playlistdelete")) {
        $("<button/>").addClass("btn btn-mini qbtn-delete")
            .html("<i class='icon-trash'></i>Delete")
            .click(function() {
                socket.emit("delete", li.data("uid"));
            })
            .appendTo(menu);
    }

    if(USEROPTS.qbtn_hide && !USEROPTS.qbtn_idontlikechange
        || menu.find(".btn").length == 0)
        menu.hide();

    // I DON'T LIKE CHANGE
    if(USEROPTS.qbtn_idontlikechange) {
        menu.addClass("pull-left");
        menu.detach().prependTo(li);
        menu.find(".btn").each(function() {
            // Clear icon
            var icon = $(this).find("i");
            $(this).html("");
            icon.appendTo(this);
        });
        menu.find(".qbtn-play").addClass("btn-success");
        menu.find(".qbtn-delete").addClass("btn-danger");
    }
    else if(menu.find(".btn").length != 0) {
        li.unbind("contextmenu");
        li.contextmenu(function(ev) {
            ev.preventDefault();
            if(menu.css("display") == "none")
                menu.show("blind");
            else
                menu.hide("blind");
            return false;
        });
    }
}

function rebuildPlaylist() {
    var qli = $("#queue li");
    if(qli.length == 0)
        return;
    REBUILDING = Math.random() + "";
    var r = REBUILDING;
    var i = 0;
    qli.each(function() {
        var li = $(this);
        (function(i, r) {
            setTimeout(function() {
                // Stop if another rebuild is running
                if(REBUILDING != r)
                    return;
                addQueueButtons(li);
                if(i == qli.length - 1) {
                    scrollQueue();
                    REBUILDING = false;
                }
            }, 10*i);
        })(i, r);
        i++;
    });
}

/* menus */

/* user settings menu */
function showOptionsMenu() {
    hidePlayer();
    var modal = $("<div/>").addClass("modal hide fade")
        .appendTo($("body"));

    modal.load("useroptions.html", function () {
        if (CLIENT.rank < 2) {
            $("#uopt-btn-mod").remove();
        }

        var tabHandler = function (btnid, panelid) {
            $(btnid).click(function () {
                modal.find(".btn.btn-small").attr("disabled", false);
                modal.find(".uopt-panel").hide();
                $(btnid).attr("disabled", true);
                $(panelid).show();
            });
        };

        tabHandler("#uopt-btn-general", "#uopt-panel-general");
        tabHandler("#uopt-btn-playback", "#uopt-panel-playback");
        tabHandler("#uopt-btn-chat", "#uopt-panel-chat");
        tabHandler("#uopt-btn-mod", "#uopt-panel-mod");

        var initForm = function (id) {
            var f = $("<form/>").appendTo($(id))
                .addClass("form-horizontal")
                .attr("action", "javascript:void(0)");
            return $("<fieldset/>").appendTo(f);
        };

        var addOption = function (form, lbl, thing) {
            var g = $("<div/>").addClass("control-group").appendTo(form);
            $("<label/>").addClass("control-label").text(lbl).appendTo(g);
            var c = $("<div/>").addClass("controls").appendTo(g);
            thing.appendTo(c);
        };

        var addCheckbox = function (form, opt, lbl) {
            var c = $("<label/>").addClass("checkbox")
                .text(lbl);
            var box = $("<input/>").attr("type", "checkbox")
                .appendTo(c);
            addOption(form, opt, c);
            return box;
        };

        // general options
        var general = initForm("#uopt-panel-general");

        var gen_theme = $("<select/>");
        $("<option/>").attr("value", "default")
            .text("Default")
            .appendTo(gen_theme);
        $("<option/>").attr("value", "assets/css/darkstrap.css")
            .text("Dark")
            .appendTo(gen_theme);
        $("<option/>").attr("value", "assets/css/altdark.css")
            .text("Alternate Dark")
            .appendTo(gen_theme);
        gen_theme.val(USEROPTS.theme);
        addOption(general, "Theme", gen_theme);

        var gen_layout = $("<select/>");
        $("<option/>").attr("value", "default")
            .text("Compact")
            .appendTo(gen_layout);
        $("<option/>").attr("value", "synchtube")
            .text("Synchtube")
            .appendTo(gen_layout);
        $("<option/>").attr("value", "fluid")
            .text("Fluid")
            .appendTo(gen_layout);
        gen_layout.val(USEROPTS.layout);
        addOption(general, "Layout", gen_layout);

        var gen_layoutwarn = $("<p/>").addClass("text-error")
            .text("Changing layouts may require a refresh");
        addOption(general, "", gen_layoutwarn);

        var gen_css = $("<input/>").attr("type", "text")
            .attr("placeholder", "Stylesheet URL");
        gen_css.val(USEROPTS.css);
        addOption(general, "User CSS", gen_css);

        var gen_nocss = addCheckbox(general, "Channel CSS",
                                    "Ignore channel CSS");
        gen_nocss.prop("checked", USEROPTS.ignore_channelcss);

        var gen_nojs = addCheckbox(general, "Channel JS",
                                    "Ignore channel JS");
        gen_nojs.prop("checked", USEROPTS.ignore_channeljs);

        var gen_altsocket = addCheckbox(general, "Alternate Socket",
                                        "Use alternate socket connection");
        gen_altsocket.prop("checked", USEROPTS.altsocket);

        var gen_altsocketinfo = $("<p/>")
            .addClass("text-error")
            .text("Alternate socket requires a refresh after changing.  "+
                  "It should only be used if the default (unchecked) "+
                  "does not work.");
        addOption(general, "", gen_altsocketinfo);

        var gen_secure = addCheckbox(general, "SSL",
                                     "Encrypt connections with SSL");
        gen_secure.prop("checked", USEROPTS.secure_connection);
        gen_secure.attr("disabled", !ALLOW_SSL);

        var gen_secureinfo = $("<p/>")
            .addClass("text-error")
            .text("If enabled, websocket traffic and API calls (logins, "+
                  "account management) will be sent over a secure "+
                  "connection.  Changes take effect after a refresh.");
            addOption(general, "", gen_secureinfo);
        if (!ALLOW_SSL) {
            gen_secureinfo.text("This server does not support SSL.");
        }

        // playback options
        var playback = initForm("#uopt-panel-playback");

        var pl_synch = addCheckbox(playback, "Synchronize",
                                   "Synchronize media playback");
        pl_synch.prop("checked", USEROPTS.synch);

        var pl_synchacc = $("<input/>").attr("type", "text")
            .attr("placeholder", "Accuracy in seconds");
        pl_synchacc.val(USEROPTS.sync_accuracy);
        addOption(playback, "Synch Accuracy (seconds)", pl_synchacc);

        var pl_wmode = addCheckbox(playback, "Transparent wmode",
                                   "Allow transparency over video player");
        pl_wmode.prop("checked", USEROPTS.wmode_transparent);

        var pl_wmodewarn = $("<p/>").addClass("text-error")
            .text("Enabling transparent wmode may cause performance "+
                  "issues on some systems");
        addOption(playback, "", pl_wmodewarn);

        var pl_hide = addCheckbox(playback, "Hide Video",
                                  "Remove the video player");
        pl_hide.prop("checked", USEROPTS.hidevid);

        var pl_hidebtn = addCheckbox(playback, "Playlist Buttons",
                                     "Hide playlist buttons by default");
        pl_hidebtn.prop("checked", USEROPTS.qbtn_hide);

        var pl_oldbtn = addCheckbox(playback, "Playlist Buttons (old)",
                                    "Old style playlist buttons");
        pl_oldbtn.prop("checked", USEROPTS.qbtn_idontlikechange);

        // chat options
        var chat = initForm("#uopt-panel-chat");

        var chat_time = addCheckbox(chat, "Timestamps",
                                    "Show timestamps in chat");
        chat_time.prop("checked", USEROPTS.show_timestamps);

        var chat_sort_rank = addCheckbox(chat, "Userlist sort",
                                         "Sort userlist by rank");
        chat_sort_rank.prop("checked", USEROPTS.sort_rank);

        var chat_sort_afk = addCheckbox(chat, "Userlist sort",
                                        "Sort AFKers to bottom");
        chat_sort_afk.prop("checked", USEROPTS.sort_afk);

        var chat_all = addCheckbox(chat, "Chat Notice",
                                   "Notify on all messages");
        chat_all.prop("checked", USEROPTS.blink_title);

        var chat_allinfo = $("<p/>")
            .text("When disabled, you will only be notified if your "+
                  "name is mentioned");
        addOption(chat, "", chat_allinfo);

        var chat_boop = addCheckbox(chat, "Chat Sound",
                                    "Play a sound for notifications");
        chat_boop.prop("checked", USEROPTS.boop);

        var chat_sendbtn = addCheckbox(chat, "Send Button",
                                       "Add a send button to chat");
        chat_sendbtn.prop("checked", USEROPTS.chatbtn);

        // mod options
        var mod = initForm("#uopt-panel-mod");

        var mod_flair = addCheckbox(mod, "Modflair", "Show name color");
        mod_flair.prop("checked", USEROPTS.modhat);

        var mod_joinmsg = addCheckbox(mod, "Join Messages",
                                      "Show join messages");
        mod_joinmsg.prop("checked", USEROPTS.joinmessage);


        $("#uopt-btn-general").click();
        $("#uopt-btn-save").click(function () {
            USEROPTS.theme                = gen_theme.val();
            USEROPTS.layout               = gen_layout.val();
            USEROPTS.css                  = gen_css.val();
            USEROPTS.ignore_channelcss    = gen_nocss.prop("checked");
            USEROPTS.ignore_channeljs     = gen_nojs.prop("checked");
            USEROPTS.altsocket            = gen_altsocket.prop("checked");
            USEROPTS.synch                = pl_synch.prop("checked");
            USEROPTS.sync_accuracy        = parseFloat(pl_synchacc.val())||2;
            USEROPTS.wmode_transparent    = pl_wmode.prop("checked");
            USEROPTS.hidevid              = pl_hide.prop("checked");
            USEROPTS.qbtn_hide            = pl_hidebtn.prop("checked");
            USEROPTS.qbtn_idontlikechange = pl_oldbtn.prop("checked");
            USEROPTS.show_timestamps      = chat_time.prop("checked");
            USEROPTS.sort_rank            = chat_sort_rank.prop("checked");
            USEROPTS.sort_afk             = chat_sort_afk.prop("checked");
            USEROPTS.blink_title          = chat_all.prop("checked");
            USEROPTS.boop                 = chat_boop.prop("checked");
            USEROPTS.chatbtn              = chat_sendbtn.prop("checked");
            USEROPTS.secure_connection    = gen_secure.prop("checked");
            if (CLIENT.rank >= 2) {
                USEROPTS.modhat      = mod_flair.prop("checked");
                USEROPTS.joinmessage = mod_joinmsg.prop("checked");
            }
            saveOpts();
            modal.modal("hide");
        });
    });

    modal.on("hidden", function () {
        unhidePlayer();
        applyOpts();
        modal.remove();
    });

    modal.modal();
}

function saveOpts() {
    for(var key in USEROPTS) {
        setOpt(key, USEROPTS[key]);
    }
}

function applyOpts() {
    $("#usertheme").remove();
    if(USEROPTS.theme != "default") {
        $("<link/>").attr("rel", "stylesheet")
            .attr("type", "text/css")
            .attr("id", "usertheme")
            .attr("href", USEROPTS.theme)
            .appendTo($("head"));
    }

    $("#usercss").remove();
    if(USEROPTS.css) {
        $("<link/>").attr("rel", "stylesheet")
            .attr("type", "text/css")
            .attr("id", "usercss")
            .attr("href", USEROPTS.css)
            .appendTo($("head"));
    }

    switch(USEROPTS.layout) {
        case "synchtube":
            synchtubeLayout();
            break;
        case "fluid":
            fluidLayout();
            break;
        default:
            break;
    }

    if(USEROPTS.hidevid) {
        $("#qualitywrap").html("");
        $("#videowrap").remove();
        $("#chatwrap").removeClass("span5").addClass("span12");
        $("#chatline").removeClass().addClass("span12");
    }

    $("#chatbtn").remove();
    if(USEROPTS.chatbtn) {
        var btn = $("<button/>").addClass("btn btn-block")
            .text("Send")
            .attr("id", "chatbtn")
            .appendTo($("#chatwrap"));
        btn.click(function() {
            if($("#chatline").val().trim()) {
                socket.emit("chatMsg", {
                    msg: $("#chatline").val()
                });
                $("#chatline").val("");
            }
        });
    }

    if (USEROPTS.modhat) {
        $("#modflair").removeClass("label-default")
            .addClass("label-success");
    } else {
        $("#modflair").removeClass("label-success")
            .addClass("label-default");
    }
}

applyOpts();

function showLoginMenu() {
    hidePlayer();
    var modal = $("<div/>").addClass("modal hide fade")
        .appendTo($("body"));
    var head = $("<div/>").addClass("modal-header")
        .appendTo(modal);
    $("<button/>").addClass("close")
        .attr("data-dismiss", "modal")
        .attr("aria-hidden", "true")
        .appendTo(head)
        .html("&times;");
    $("<h3/>").text("Login").appendTo(head);
    var body = $("<div/>").addClass("modal-body").appendTo(modal);
    var frame = $("<iframe/>")
        .attr("id", "loginframe")
        .attr("src", "login.html")
        .css("border", "none")
        .css("width", "100%")
        .css("height", "300px")
        .css("margin", "0")
        .appendTo(body);
    var timer = setInterval(function() {
        frame[0].contentWindow.postMessage("cytube-syn", document.location);
    }, 1000);
    var respond = function(e) {
        if(e.data == "cytube-ack") {
            clearInterval(timer);
        }
        if(e.data.indexOf(":") == -1) {
            return;
        }
        if(e.data.substring(0, e.data.indexOf(":")) == "cytube-login") {
            var data = e.data.substring(e.data.indexOf(":")+1);
            data = JSON.parse(data);
            if(data.error) {
                // Since this is the login page, invalid session implies bad credentials
                if(data.error == "Invalid session") {
                    alert("Invalid username/password");
                }
                else {
                    alert(data.error);
                }
            }
            else if(data.success) {
                SESSION = data.session || "";
                CLIENT.name = data.uname || "";
                socket.emit("login", {
                    name: CLIENT.name,
                    session: SESSION
                });
                if(window.removeEventListener) {
                    window.removeEventListener("message", respond, false);
                }
                else if(window.detachEvent) {
                    // If an IE dev ever reads this, please tell your company
                    // to get their shit together
                    window.detachEvent("onmessage", respond);
                }
                modal.modal("hide");
            }
        }
    }
    if(window.addEventListener) {
        window.addEventListener("message", respond, false);
    }
    else if(window.attachEvent) {
        // If an IE dev ever reads this, please tell your company to get
        // their shit together
        window.attachEvent("onmessage", respond);
    }
    var footer = $("<div/>").addClass("modal-footer").appendTo(modal);
    modal.on("hidden", function() {
        unhidePlayer();
        modal.remove();
    });
    modal.modal();
}

function showPollMenu() {
    $("#pollwrap .poll-menu").remove();
    var menu = $("<div/>").addClass("well poll-menu")
        .insertAfter($("#newpollbtn"));

    $("<button/>").addClass("btn btn-danger pull-right")
        .text("Cancel")
        .appendTo(menu)
        .click(function() {
            menu.remove();
        });

    $("<strong/>").text("Title").appendTo(menu);
    $("<br/>").appendTo(menu);

    var title = $("<input/>").attr("type", "text")
        .appendTo(menu);
    $("<br/>").appendTo(menu);

    var lbl = $("<label/>").addClass("checkbox")
        .text("Hide poll results")
        .appendTo(menu);
    var hidden = $("<input/>").attr("type", "checkbox")
        .appendTo(lbl);
    $("<br/>").appendTo(menu);

    $("<strong/>").text("Options").appendTo(menu);
    $("<br/>").appendTo(menu);

    var addbtn = $("<button/>").addClass("btn")
        .text("Add Option")
        .appendTo(menu);
    $("<br/>").appendTo(menu);

    function addOption() {
        $("<input/>").attr("type", "text")
            .addClass("poll-menu-option")
            .insertBefore(addbtn);
        $("<br/>").insertBefore(addbtn);
    }

    addbtn.click(addOption);
    addOption();
    addOption();

    $("<br/>").appendTo(menu);
    $("<button/>").addClass("btn")
        .text("Open Poll")
        .addClass("btn-block")
        .appendTo(menu)
        .click(function() {
            var opts = []
            menu.find(".poll-menu-option").each(function() {
                if($(this).val() != "")
                    opts.push($(this).val());
            });
            socket.emit("newPoll", {
                title: title.val(),
                opts: opts,
                obscured: hidden.prop("checked")
            });
            menu.remove();
        });
}

function scrollChat() {
    $("#messagebuffer").scrollTop($("#messagebuffer").prop("scrollHeight"));
}

function hasPermission(key) {
    if(key.indexOf("playlist") == 0 && CHANNEL.openqueue) {
        var key2 = "o" + key;
        var v = CHANNEL.perms[key2];
        if(typeof v == "number" && CLIENT.rank >= v) {
            return true;
        }
    }
    var v = CHANNEL.perms[key];
    if(typeof v != "number") {
        return false;
    }
    return CLIENT.rank >= v;
}

function setVisible(selector, bool) {
    // I originally added this check because of a race condition
    // Now it seems to work without but I don't trust it
    if($(selector) && $(selector).attr("id") != selector.substring(1)) {
        setTimeout(function() {
            setVisible(selector, bool);
        }, 100);
        return;
    }
    var disp = bool ? "" : "none";
    $(selector).css("display", disp);
}

function handleModPermissions() {
    /* update channel controls */
    $("#opt_pagetitle").val(CHANNEL.opts.pagetitle);
    $("#opt_pagetitle").attr("disabled", CLIENT.rank < 3);
    $("#opt_externalcss").val(CHANNEL.opts.externalcss);
    $("#opt_externalcss").attr("disabled", CLIENT.rank < 3);
    $("#opt_externaljs").val(CHANNEL.opts.externaljs);
    $("#opt_externaljs").attr("disabled", CLIENT.rank < 3);
    $("#opt_chat_antiflood").prop("checked", CHANNEL.opts.chat_antiflood);
    $("#opt_chat_antiflood_burst").val(CHANNEL.opts.chat_antiflood_params.burst);
    $("#opt_chat_antiflood_sustained").val(CHANNEL.opts.chat_antiflood_params.sustained);
    $("#opt_show_public").prop("checked", CHANNEL.opts.show_public);
    $("#opt_show_public").attr("disabled", CLIENT.rank < 3);
    $("#opt_enable_link_regex").prop("checked", CHANNEL.opts.enable_link_regex);
    $("#opt_afktimeout").val(CHANNEL.opts.afk_timeout);
    $("#opt_allow_voteskip").prop("checked", CHANNEL.opts.allow_voteskip);
    $("#opt_voteskip_ratio").val(CHANNEL.opts.voteskip_ratio);
    (function() {
        if(typeof CHANNEL.opts.maxlength != "number") {
            $("#opt_maxlength").val("");
            return;
        }
        var h = parseInt(CHANNEL.opts.maxlength / 3600);
        h = ""+h;
        if(h.length < 2) h = "0" + h;
        var m = parseInt((CHANNEL.opts.maxlength % 3600) / 60);
        m = ""+m;
        if(m.length < 2) m = "0" + m;
        var s = parseInt(CHANNEL.opts.maxlength % 60);
        s = ""+s;
        if(s.length < 2) s = "0" + s;
        $("#opt_maxlength").val(h + ":" + m + ":" + s);
    })();
    $("#csstext").val(CHANNEL.css);
    $("#jstext").val(CHANNEL.js);
    $("#motdtext").val(CHANNEL.motd_text);
    setVisible("#editmotd", hasPermission("motdedit"));
    setVisible("#permedit_tab", CLIENT.rank >= 3);
    setVisible("#banlist_tab", hasPermission("ban"));
    setVisible("#motdedit_tab", hasPermission("motdedit"));
    setVisible("#cssedit_tab", CLIENT.rank >= 3);
    setVisible("#jsedit_tab", CLIENT.rank >= 3);
    setVisible("#filteredit_tab", hasPermission("filteredit"));
    setVisible("#channelranks_tab", CLIENT.rank >= 3);
    setVisible("#chanlog_tab", CLIENT.rank >= 3);
    setVisible("#chanopts_unregister_wrap", CLIENT.rank >= 10);
}

function handlePermissionChange() {
    if(CLIENT.rank >= 2 && $("#channelsettingswrap").length > 0) {
        $("#channelsettingswrap3").show();
        if($("#channelsettingswrap").html().trim() == "") {
            $("#channelsettingswrap").load("channeloptions.html", handleModPermissions);
        }
        else {
            handleModPermissions();
        }
    }
    else {
        $("#channelsettingswrap").html("");
        $("#channelsettingswrap3").hide();
    }

    setVisible("#userpltogglewrap", CLIENT.rank >= 1);

    setVisible("#modflair", CLIENT.rank >= 2);
    setVisible("#adminflair", CLIENT.rank >= 255);

    setVisible("#playlisttogglewrap", hasPermission("playlistadd"));
    $("#queue_next").attr("disabled", !hasPermission("playlistnext"));
    $("#qlockbtn").attr("disabled", CLIENT.rank < 2);

    if(hasPermission("playlistadd") ||
        hasPermission("playlistmove") ||
        hasPermission("playlistjump") ||
        hasPermission("playlistdelete") ||
        hasPermission("settemp")) {
        if(USEROPTS.first_visit && $("#plonotification").length == 0) {
            var al = makeAlert("Playlist Options", [
                "From the Options menu, you can choose to automatically",
                " hide the buttons on each entry (and show them when",
                " you right click).  You can also choose to use the old",
                " style of playlist buttons.",
                "<br>"].join(""))
                .addClass("span12")
                .attr("id", "plonotification")
                .insertBefore($("#queue"));

            al.find(".close").remove();

            $("<button/>").addClass("btn btn-primary")
                .text("Dismiss")
                .appendTo(al)
                .click(function() {
                    USEROPTS.first_visit = false;
                    saveOpts();
                    al.hide("blind", function() {
                        al.remove();
                    });
                });
        }
    }

    if(hasPermission("playlistmove")) {
        $("#queue").sortable("enable");
        $("#queue").addClass("queue_sortable");
    }
    else {
        $("#queue").sortable("disable");
        $("#queue").removeClass("queue_sortable");
    }

    setVisible("#clearplaylist", hasPermission("playlistclear"));
    setVisible("#shuffleplaylist", hasPermission("playlistshuffle"));
    setVisible("#customembed_btn", hasPermission("playlistaddcustom"));
    if(!hasPermission("playlistaddcustom")) {
        $("#customembed_entry").hide();
        $("#customembed_code").val("");
    }


    setVisible("#newpollbtn", hasPermission("pollctl"));
    $("#voteskip").attr("disabled", !hasPermission("voteskip") ||
                                    !CHANNEL.opts.allow_voteskip);

    $("#pollwrap .active").find(".btn-danger").remove();
    if(hasPermission("pollctl")) {
        var poll = $("#pollwrap .active");
        if(poll.length > 0) {
            $("<button/>").addClass("btn btn-danger pull-right")
                .text("End Poll")
                .insertAfter(poll.find(".close"))
                .click(function() {
                    socket.emit("closePoll");
                });
        }
    }
    var poll = $("#pollwrap .active");
    if(poll.length > 0) {
        poll.find(".btn").attr("disabled", !hasPermission("pollvote"));
    }
    var users = $("#userlist").children();
    for(var i = 0; i < users.length; i++) {
        addUserDropdown($(users[i]));
    }

    $("#chatline").attr("disabled", !hasPermission("chat"));
    rebuildPlaylist();
}

/* search stuff */

function clearSearchResults() {
    $("#library").html("");
    $("#search_clear").remove();
    var p = $("#library").data("paginator");
    if(p) {
        p.paginator.html("");
    }
}

function addLibraryButtons(li, id, source) {
    var btns = $("<div/>").addClass("btn-group")
        .addClass("pull-left")
        .prependTo(li);

    var type = (source === "library") ? undefined : source;

    if(hasPermission("playlistadd")) {
        if(hasPermission("playlistnext")) {
            $("<button/>").addClass("btn btn-mini")
                .text("Next")
                .click(function() {
                    socket.emit("queue", {
                        id: id,
                        pos: "next",
                        type: type
                    });
                })
                .appendTo(btns);
        }
        $("<button/>").addClass("btn btn-mini")
            .text("End")
            .click(function() {
                socket.emit("queue", {
                    id: id,
                    pos: "end",
                    type: type
                });
            })
            .appendTo(btns);
    }
    if(CLIENT.rank >= 2 && source === "library") {
        $("<button/>").addClass("btn btn-mini btn-danger")
            .html("<i class='icon-trash'></i>")
            .click(function() {
                socket.emit("uncache", {
                    id: id
                });
                li.hide("blind", function() {
                    li.remove();
                });
            })
            .appendTo(btns);
    }
}

/* queue stuff */

var AsyncQueue = function () {
    this._q = [];
    this._lock = false;
    this._tm = 0;
};

AsyncQueue.prototype.next = function () {
    if (this._q.length > 0) {
        if (!this.lock())
            return;
        var item = this._q.shift();
        var fn = item[0], tm = item[1];
        this._tm = Date.now() + item[1];
        fn(this);
    }
};

AsyncQueue.prototype.lock = function () {
    if (this._lock) {
        if (this._tm > 0 && Date.now() > this._tm) {
            this._tm = 0;
            return true;
        }
        return false;
    }

    this._lock = true;
    return true;
};

AsyncQueue.prototype.release = function () {
    var self = this;
    if (!self._lock)
        return false;

    self._lock = false;
    self.next();
    return true;
};

AsyncQueue.prototype.queue = function (fn) {
    var self = this;
    self._q.push([fn, 20000]);
    self.next();
};

AsyncQueue.prototype.reset = function () {
    this._q = [];
    this._lock = false;
};

var PL_ACTION_QUEUE = new AsyncQueue();

// Because jQuery UI does weird things
function playlistFind(uid) {
    var children = document.getElementById("queue").children;
    for(var i in children) {
        if(typeof children[i].getAttribute != "function")
            continue;
        if(children[i].getAttribute("class").indexOf("pluid-" + uid) != -1)
            return children[i];
    }
    return false;
}

function playlistMove(from, after, cb) {
    var lifrom = $(".pluid-" + from);
    if(lifrom.length == 0) {
        cb(false);
        return;
    }

    var q = $("#queue");

    if(after === "prepend") {
        lifrom.hide("blind", function() {
            lifrom.detach();
            lifrom.prependTo(q);
            lifrom.show("blind", cb);
        });
    }
    else if(after === "append") {
        lifrom.hide("blind", function() {
            lifrom.detach();
            lifrom.appendTo(q);
            lifrom.show("blind", cb);
        });
    }
    else {
        var liafter = $(".pluid-" + after);
        if(liafter.length == 0) {
            cb(false);
            return;
        }
        lifrom.hide("blind", function() {
            lifrom.detach();
            lifrom.insertAfter(liafter);
            lifrom.show("blind", cb);
        });
    }
}

function parseMediaLink(url) {
    if(typeof url != "string") {
        return {
            id: null,
            type: null
        };
    }
    url = url.trim();
    url = url.replace("feature=player_embedded&", "");

    if(url.indexOf("jw:") == 0) {
        return {
            id: url.substring(3),
            type: "jw"
        };
    }

    if(url.indexOf("rtmp://") == 0) {
        return {
            id: url,
            type: "rt"
        };
    }

    var m;
    if((m = url.match(/youtube\.com\/watch\?v=([^&#]+)/))) {
        return {
            id: m[1],
            type: "yt"
        };
    }

    if((m = url.match(/youtu\.be\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "yt"
        };
    }

    if((m = url.match(/youtube\.com\/playlist\?list=([^&#]+)/))) {
        return {
            id: m[1],
            type: "yp"
        };
    }

    if((m = url.match(/twitch\.tv\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "tw"
        };
    }

    if((m = url.match(/justin\.tv\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "jt"
        };
    }

    if((m = url.match(/livestream\.com\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "li"
        };
    }

    if((m = url.match(/ustream\.tv\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "us"
        };
    }

    if((m = url.match(/vimeo\.com\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "vi"
        };
    }

    if((m = url.match(/dailymotion\.com\/video\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "dm"
        };
    }

    if((m = url.match(/imgur\.com\/a\/([^&#]+)/))) {
        return {
            id: m[1],
            type: "im"
        };
    }

    if((m = url.match(/soundcloud\.com\/([^&#]+)/))) {
        return {
            id: url,
            type: "sc"
        };
    }

    if ((m = url.match(/docs\.google\.com\/file\/d\/(.*?)\/edit/))) {
        return {
            id: m[1],
            type: "gd"
        };
    }

    return {
        id: null,
        type: null
    };
}

function sendVideoUpdate() {
    if (!CLIENT.leader) {
        return;
    }
    PLAYER.getTime(function (seconds) {
        socket.emit("mediaUpdate", {
            id: PLAYER.videoId,
            currentTime: seconds,
            paused: PLAYER.paused,
            type: PLAYER.type
        });
    });
}

/* chat */

function formatChatMessage(data) {
    // Backwards compat
    if (!data.meta || data.msgclass) {
        data.meta = {
            addClass: data.msgclass,
            // And the award for "variable name most like Java source code" goes to...
            addClassToNameAndTimestamp: data.msgclass
        };
    }
    // Phase 1: Determine whether to show the username or not
    var skip = data.username === LASTCHATNAME;
    if(data.meta.addClass === "server-whisper")
        skip = true;
    // Prevent impersonation by abuse of the bold filter
    if(data.msg.match(/^\s*<strong>\w+\s*:\s*<\/strong>\s*/))
        skip = false;
    if (data.meta.forceShowName)
        skip = false;

    LASTCHATNAME = data.username;
    LASTCHATTIME = data.time;
    var div = $("<div/>");
    /* drink is a special case because the entire container gets the class, not
       just the message */
    if (data.meta.addClass === "drink") {
        div.addClass("drink");
        data.meta.addClass = "";
    }

    // Add timestamps (unless disabled)
    if (USEROPTS.show_timestamps) {
        var time = $("<span/>").addClass("timestamp").appendTo(div);
        var timestamp = new Date(data.time).toTimeString().split(" ")[0];
        time.text("["+timestamp+"] ");
        if (data.meta.addClass && data.meta.addClassToNameAndTimestamp) {
            time.addClass(data.meta.addClass);
        }
    }

    // Add username
    var name = $("<span/>");
    if (!skip) {
        name.appendTo(div);
    }
    $("<strong/>").addClass("username").text(data.username + ": ").appendTo(name);
    if (data.meta.modflair) {
        name.addClass(getNameColor(data.meta.modflair));
    }
    if (data.meta.addClass && data.meta.addClassToNameAndTimestamp) {
        name.addClass(data.meta.addClass);
    }
    if (data.meta.superadminflair) {
        name.addClass("label")
            .addClass(data.meta.superadminflair.labelclass);
        $("<i/>").addClass(data.meta.superadminflair.icon)
            .addClass("icon-white")
            .prependTo(name);
    }

    // Add the message itself
    var message = $("<span/>").appendTo(div);
    message[0].innerHTML = data.msg;

    // For /me the username is part of the message
    if (data.meta.action) {
        name.remove();
        message[0].innerHTML = data.username + " " + data.msg;
    }
    if (data.meta.addClass) {
        message.addClass(data.meta.addClass);
    }
    return div;
}

function addChatMessage(data) {
    if(IGNORED.indexOf(data.username) !== -1) {
        return;
    }
    var div = formatChatMessage(data);
    // Incoming: a bunch of crap for the feature where if you hover over
    // a message, it highlights messages from that user
    div.data("sender", data.username);
    div.appendTo($("#messagebuffer"));
    div.mouseover(function() {
        $("#messagebuffer").children().each(function() {
            var name = $(this).data("sender");
            if(name == data.username) {
                $(this).addClass("nick-hover");
            }
        });
    });
    div.mouseleave(function() {
        $("#messagebuffer").children().each(function() {
            $(this).removeClass("nick-hover");
        });
    });
    // Cap chatbox at most recent 100 messages
    if($("#messagebuffer").children().length > 100) {
        $($("#messagebuffer").children()[0]).remove();
    }
    if(SCROLLCHAT)
        scrollChat();
    if(USEROPTS.blink_title && !FOCUSED && !TITLE_BLINK) {
        USEROPTS.boop && CHATSOUND.play();
        TITLE_BLINK = setInterval(function() {
            if(document.title == "*Chat*")
                document.title = PAGETITLE;
            else
                document.title = "*Chat*";
        }, 1000);
    }
    if(CLIENT.name && data.username != CLIENT.name) {
        if(data.msg.toUpperCase().indexOf(CLIENT.name.toUpperCase()) != -1) {
            div.addClass("nick-highlight");
            if(!FOCUSED && !TITLE_BLINK) {
                USEROPTS.boop && CHATSOUND.play();
                TITLE_BLINK = setInterval(function() {
                    if(document.title == "*Chat*")
                        document.title = PAGETITLE;
                    else
                        document.title = "*Chat*";
                }, 1000);
            }
        }
    }
}

/* layouts */

function fluidLayout() {
    $(".row").each(function() {
        $(this).removeClass("row").addClass("row-fluid");
    });
    $(".container").each(function() {
        $(this).removeClass("container").addClass("container-fluid");
    });
    // Video might not be there, but the playlist is
    VWIDTH = $("#videowidth").css("width").replace("px", "");
    VHEIGHT = ""+parseInt(parseInt(VWIDTH) * 9 / 16);
    if($("#ytapiplayer").length > 0) {
        $("#ytapiplayer").attr("width", VWIDTH);
        $("#ytapiplayer").attr("height", VHEIGHT);
    }
    $("#messagebuffer").css("height", (VHEIGHT - 31) + "px");
    $("#userlist").css("height", (VHEIGHT - 31) + "px");
    $("#chatline").removeClass().addClass("span12");
    $("#channelsettingswrap3").css("margin-left", "0");
}

function synchtubeLayout() {
    $("#videowrap").detach().insertBefore($("#chatwrap"));
    $("#rightpane-outer").detach().insertBefore($("#leftpane-outer"));
    $("#userlist").css("float", "right");
}

function chatOnly() {
    fluidLayout();
    $("#toprow").remove()
    $("#announcements").remove();
    $("#playlistrow").remove();
    $("#videowrap").remove();
    $("#chatwrap").removeClass("span5").addClass("span12");
}

/* channel administration stuff */

function genPermissionsEditor() {
    $("#permedit").html("");
    var form = $("<form/>").addClass("form-horizontal")
        .attr("action", "javascript:void(0)")
        .appendTo($("#permedit"));
    var fs = $("<fieldset/>").appendTo(form);

    function makeOption(text, key, permset, defval) {
        var group = $("<div/>").addClass("control-group")
            .appendTo(fs);
        $("<label/>").addClass("control-label")
            .text(text)
            .appendTo(group);
        var controls = $("<div/>").addClass("controls")
            .appendTo(group);
        var select = $("<select/>").appendTo(controls);
        select.data("key", key);
        for(var i = 0; i < permset.length; i++) {
            $("<option/>").attr("value", permset[i][1])
                .text(permset[i][0])
                .attr("selected", defval == permset[i][1])
                .appendTo(select);
        }
    }

    function addDivider(text) {
        $("<hr/>").appendTo(fs);
        $("<h3/>").text(text).appendTo(fs);
    }

    var standard = [
        ["Anonymous"    , "-1"],
        ["Guest"        , "0"],
        ["Registered"   , "1"],
        ["Leader"       , "1.5"],
        ["Moderator"    , "2"],
        ["Channel Admin", "3"],
        ["Nobody"       , "1000000"]
    ];

    var noanon = [
        ["Guest"        , "0"],
        ["Registered"   , "1"],
        ["Leader"       , "1.5"],
        ["Moderator"    , "2"],
        ["Channel Admin", "3"],
        ["Nobody"       , "1000000"]
    ];

    var modleader = [
        ["Leader"       , "1.5"],
        ["Moderator"    , "2"],
        ["Channel Admin", "3"],
        ["Nobody"       , "1000000"]
    ];

    var modplus = [
        ["Moderator"    , "2"],
        ["Channel Admin", "3"],
        ["Nobody"       , "1000000"]
    ];

    $("<h3/>").text("Open playlist permissions").appendTo(fs);
    makeOption("Add to playlist", "oplaylistadd", standard, CHANNEL.perms.oplaylistadd+"");
    makeOption("Add/move to next", "oplaylistnext", standard, CHANNEL.perms.oplaylistnext+"");
    makeOption("Move playlist items", "oplaylistmove", standard, CHANNEL.perms.oplaylistmove+"");
    makeOption("Delete playlist items", "oplaylistdelete", standard, CHANNEL.perms.oplaylistdelete+"");
    makeOption("Jump to video", "oplaylistjump", standard, CHANNEL.perms.oplaylistjump+"");
    makeOption("Queue playlist", "oplaylistaddlist", standard, CHANNEL.perms.oplaylistaddlist+"");

    addDivider("General playlist permissions");
    makeOption("Add to playlist", "playlistadd", standard, CHANNEL.perms.playlistadd+"");
    makeOption("Add/move to next", "playlistnext", standard, CHANNEL.perms.playlistnext+"");
    makeOption("Move playlist items", "playlistmove", standard, CHANNEL.perms.playlistmove+"");
    makeOption("Delete playlist items", "playlistdelete", standard, CHANNEL.perms.playlistdelete+"");
    makeOption("Jump to video", "playlistjump", standard, CHANNEL.perms.playlistjump+"");
    makeOption("Queue playlist", "playlistaddlist", standard, CHANNEL.perms.playlistaddlist+"");
    makeOption("Queue livestream", "playlistaddlive", standard, CHANNEL.perms.playlistaddlive+"");
    makeOption("Embed custom media", "playlistaddcustom", standard, CHANNEL.perms.playlistaddcustom + "");
    makeOption("Exceed maximum media length", "exceedmaxlength", standard, CHANNEL.perms.exceedmaxlength+"");
    makeOption("Add nontemporary media", "addnontemp", standard, CHANNEL.perms.addnontemp+"");
    makeOption("Temp/untemp playlist item", "settemp", standard, CHANNEL.perms.settemp+"");
    makeOption("Shuffle playlist", "playlistshuffle", standard, CHANNEL.perms.playlistshuffle+"");
    makeOption("Clear playlist", "playlistclear", standard, CHANNEL.perms.playlistclear+"");

    addDivider("Polls");
    makeOption("Open/Close poll", "pollctl", modleader, CHANNEL.perms.pollctl+"");
    makeOption("Vote", "pollvote", standard, CHANNEL.perms.pollvote+"");
    makeOption("View hidden poll results", "viewhiddenpoll", standard, CHANNEL.perms.viewhiddenpoll+"");
    makeOption("Voteskip", "voteskip", standard, CHANNEL.perms.voteskip+"");

    addDivider("Moderation");
    makeOption("Mute users", "mute", modleader, CHANNEL.perms.mute+"");
    makeOption("Kick users", "kick", modleader, CHANNEL.perms.kick+"");
    makeOption("Ban users", "ban", modplus, CHANNEL.perms.ban+"");
    makeOption("Edit MOTD", "motdedit", modplus, CHANNEL.perms.motdedit+"");
    makeOption("Edit chat filters", "filteredit", modplus, CHANNEL.perms.filteredit+"");

    addDivider("Misc");
    makeOption("Drink calls", "drink", modleader, CHANNEL.perms.drink+"");
    makeOption("Chat", "chat", noanon, CHANNEL.perms.chat+"");

    var submit = $("<button/>").addClass("btn btn-primary").appendTo(fs);
    submit.text("Save");
    submit.click(function() {
        var perms = {};
        fs.find("select").each(function() {
            perms[$(this).data("key")] = parseFloat($(this).val());
        });
        socket.emit("setPermissions", perms);
    });
}

function waitUntilDefined(obj, key, fn) {
    if(typeof obj[key] === "undefined") {
        setTimeout(function () {
            waitUntilDefined(obj, key, fn);
        }, 100);
        return;
    }
    fn();
}

function hidePlayer() {
    if(!PLAYER)
        return;

    if(!/(chrome|MSIE)/ig.test(navigator.userAgent))
        return;

    PLAYER.size = {
        width: $("#ytapiplayer").attr("width"),
        height: $("#ytapiplayer").attr("height")
    };
    $("#ytapiplayer").attr("width", 1)
        .attr("height", 1);
}

function unhidePlayer() {
    if(!PLAYER)
        return;

    if(!/(chrome|MSIE)/ig.test(navigator.userAgent))
        return;

    $("#ytapiplayer").attr("width", PLAYER.size.width)
        .attr("height", PLAYER.size.height);
}

function errDialog(err) {
    var div = $("<div/>").addClass("profile-box")
        .css("padding", "10px")
        .text(err)
        .appendTo($("body"));

    $("<br/>").appendTo(div);
    $("<button/>").addClass("btn btn-mini")
        .css("width", "100%")
        .text("OK")
        .click(function () { div.remove(); })
        .appendTo(div);
    var cw = $("#chatwrap").width();
    var ch = $("#chatwrap").height();
    var cp = $("#chatwrap").offset();
    var x = cp.left + cw/2 - div.width()/2;
    var y = cp.top + ch/2 - div.height()/2;
    div.css("left", x + "px");
    div.css("top", y + "px");
}

function queueMessage(data, type) {
    if (!data)
        data = { link: null };
    if (!data.msg || data.msg === true) {
        data.msg = "Queue failed.  Check your link to make sure it is valid.";
    }
    var ltype = "label-important";
    var title = "Error";
    if (type === "alert-warning")
        ltype = "label-warning";
    if (type === "alert-warning")
        title = "Warning";

    var alerts = $(".qfalert.qf-" + type);
    for (var i = 0; i < alerts.length; i++) {
        var al = $(alerts[i]);
        var cl = al.clone();
        cl.children().remove();
        if (cl.text() === data.msg) {
            var tag = al.find("." + ltype);
            if (tag.length > 0) {
                var morelinks = al.find(".qflinks");
                $("<a/>").attr("href", data.link)
                    .attr("target", "_blank")
                    .text(data.link)
                    .appendTo(morelinks);
                $("<br/>").appendTo(morelinks);
                var count = parseInt(tag.text().match(/\d+/)[0]) + 1;
                tag.text(tag.text().replace(/\d+/, ""+count));
            } else {
                var tag = $("<span/>")
                    .addClass("label pull-right pointer " + ltype)
                    .text("+ 1 more")
                    .appendTo(al);
                var morelinks = $("<div/>")
                    .addClass("qflinks")
                    .appendTo(al)
                    .hide();
                $("<a/>").attr("href", data.link)
                    .attr("target", "_blank")
                    .text(data.link)
                    .appendTo(morelinks);
                $("<br/>").appendTo(morelinks);
                tag.click(function () {
                    morelinks.toggle();
                });
            }
            return;
        }
    }
    var text = data.msg;
    if (typeof data.link === "string") {
        text += "<br><a href='" + data.link + "' target='_blank'>" +
                data.link + "</a>";
    }
    makeAlert(title, text, type)
        .addClass("span12 qfalert qf-" + type)
        .appendTo($("#queuefail"));
}

function showMOTDEditor() {
    var motd = $("#motd");
    motd.html("");
    var text = $("<textarea/>")
        .addClass("motdeditor input-block-level")
        .attr("rows", "10")
        .val(CHANNEL.motd_text)
        .css("width", "100%")
        .css("height", "100%")
        .appendTo($("#motdwrap"))
        .blur(function () {
            socket.emit("setMotd", {
                motd: text.val()
            });
            $("#motdwrap .motdeditor").remove();
            $("#editmotd").show();
            $("#togglemotd").show();
        })
        .focus();
    $("#editmotd").hide();
    $("#togglemotd").hide();
}

function filterChannelLog() {
    var cc = $("#chanlog_contents");
    if (!cc.data("log")) {
        cc.data("log", cc.text());
    }
    var all = $("#filter_all").prop("checked");
    var chat = $("#filter_chat").prop("checked");
    var polls = $("#filter_polls").prop("checked");
    var queue = $("#filter_queue").prop("checked");
    var bans = $("#filter_bans").prop("checked");
    var channelsettings = $("#filter_channelsettings").prop("checked");
    var joinquit = $("#filter_joinquit").prop("checked");

    var lines = cc.data("log").split("\n");
    var include = [];
    lines.forEach(function (line) {
        if (line.trim() === "") {
            return;
        }
        if (all) {
            include.push(line);
            return;
        }

        var pre = line.split(" ")[5];
        if (pre === undefined) {
            return;
        }

        if (chat && pre.match(/<[\w-]+(\.\w*)?>/)) {
            include.push(line);
            return;
        }

        if (polls && pre === "***" && (line.indexOf("Opened Poll") >= 0 ||
                                       line.indexOf("closed the active poll") >= 0)) {
            include.push(line);
            return;
        }

        if (queue && pre === "###") {
            include.push(line);
            return;
        }

        if (channelsettings && pre === "%%%") {
            include.push(line);
            return;
        }

        if (joinquit) {
            if (pre === "+++" || pre === "---") {
                include.push(line);
                return;
            }

            if (pre.match(/(\d{1,3}\.){3}\d{1,3}/) &&
                line.indexOf("logged in as") >= 0) {
                include.push(line);
                return;
            }
        }

        if (bans && pre === "***" && line.indexOf("banned") >= 0) {
            include.push(line);
            return;
        }

        if (channelsettings && pre === "***") {
            if (line.indexOf("Loading") >= 0 ||
                line.indexOf("Loaded") >= 0 ||
                line.indexOf("unloading") >= 0 ||
                line.indexOf("rank") >= 0) {
                include.push(line);
                return;
            }
            return;
        }
    });

    $("#chanlog_contents").text(include.join("\n"));
}