// ==UserScript==
// @name           YouTube Link Title
// @description    Adds video titles, shows previews and embeds on click. Also supported: Vimeo, LiveLeak, Dailymotion, WorldStarHipHop, Vine, Coub
// @namespace      http://w9p.co/userscripts/
// @version        2015.2.5
// @author         kuehlschrank
// @homepage       http://w9p.co/userscripts/ytlt
// @icon           https://s3.amazonaws.com/uso_ss/icon/83584/large.png
// @include        http*
// @exclude        http*//*.google.*/*
// @exclude        *//*.googleapis.com/*
// @exclude        *//*.youtube.com/*
// @exclude        *//vimeo.com/*
// @exclude        *//*.vimeo.com/*
// @exclude        *//*.worldstarhiphop.com/*
// @exclude        *//vine.co/*
// @exclude        *//*.dailymotion.com/*
// @exclude        *//coub.com/*
// @exclude        *//*.reddit.com/toolbar/*
// @exclude        *://disqus.com/embed/*worldstarhiphop*
// @grant          GM_getValue
// @grant          GM_setValue
// @grant          GM_xmlhttpRequest
// @grant          GM_addStyle
// @grant          GM_registerMenuCommand
// ==/UserScript==

'use strict';

function onLoad() {
    if(location.hostname.indexOf('liveleak.com') > -1) {
        return location.pathname == '/ll_embed' ? location.href = 'javascript:void(jwplayer.api.selectPlayer().play());' : false;
    }
    cfg.load();
    var q = 'a[href*="//t.co/"]';
    for(var sid in sites) {
        q += sites[sid].patterns.reduce(function(prev, cur) { return  prev + ',a[href*="' + cur +'"]'; }, '');
    }
    links.query = q;
    links.process(d.body);
    var M = window.MutationObserver;
    if(M) {
        var opts = location.hostname == 'www.facebook.com' ? {childList:true, subtree:true, attributes:true, attributeFilter:['href']} : {childList:true, subtree:true};
        new M(onMutations).observe(d.body, opts);
    } else {
        d.body.addEventListener('DOMNodeInserted', onNodeInserted);
    }
    window.addEventListener('message', onMessage);
    GM_registerMenuCommand('Set up YouTube Link Title', setup.show);
}

function onNodeInserted(e) {
    var t = e.target;
    if(t.nodeType == 1) window.setTimeout(links.process, 100, t);
}

function onMutations(muts) {
    for(var i = muts.length, m; i-- && (m = muts[i]);) {
        if(m.type == 'attributes') {
            window.setTimeout(links.process, 100, m.target);
        } else {
            for(var j = m.addedNodes.length, node; j-- && (node = m.addedNodes[j]);) {
                if(node.nodeType == 1) window.setTimeout(links.process, 100, node);
            }
        }
    }
}

function onMessage(e) {
    if(typeof e.data != 'object' || !e.data.YTLT) return;
    var li = e.data.YTLT;
    if(window.frames.length > 1) {
        li.self = true;
        e.source.postMessage({YTLT:li}, '*');
    } else {
        popup.show(li);
    }
}

function ce(n, props) {
    var n = d.createElement(n);
    if(props) {
        forEach(props, function(p) {
            if(p == 'click' || p == 'mousedown' || p == 'mousedown') {
                n.addEventListener(p, props[p]);
            } else {
                n[p] = props[p];
            }
        });
    }
    return n;
}

function forEach(o, f) {
    var props = Object.keys(o);
    for(var i = props.length, p; i-- && (p = props[i]);) {
        if(o.hasOwnProperty(p)) f(p);
    }
}

function rm(id) {
    var node = $(id);
    if(node) node.parentNode.removeChild(node);
}

var d = document, $ = function(id) { return d.getElementById(id); }, log = function(s) { console.log(s); };

var setup = {
    id: 'YTLT-setup',
    html: function() {
        var h = '<div>YouTube Link Title</div><ul>';
        this.forEach(function(n) {
            var s = cfg.settings[n];
            if(typeof s.default == 'boolean') {
                h += '<li><input type="checkbox" name="'+ n +'"> ' + s.title + '</li>'
            } else if(s.options) {
                h += '<li>' + s.title + ': <select name="' + n + '">';
                forEach(s.options, function(on) {
                    h += '<option value="' + on + '">' + s.options[on] +'</option>';
                });
                h += '</select></li>';
            }
        });
        return h += '</ul><div><button name="save">Save settings</button></div></div>';
    },
    q: function(n) {
        return d.querySelector('#' + this.id + ' *[name="' + n + '"]');
    },
    get: function(n) {
        var s = cfg.settings[n];
        if(typeof s.default == 'boolean') return this.q(n).checked;
        if(s.options) {    var sel = this.q(n); return sel.options[sel.selectedIndex].value; }
    },
    set: function(n, val) {
        var s = cfg.settings[n];
        if(typeof s.default == 'boolean') {
            this.q(n).checked = val;
        } else if(s.options) {
            var sel = this.q(n);
            for(var i = sel.options.length; i--;) {    if(sel.options[i].value == val) sel.selectedIndex = i; }
        }
    },
    forEach: function(f) {
        forEach(cfg.settings, function(n) { if(cfg.settings[n].title) f(n); });
    },
    show: function() {
        rm(setup.id);
        GM_addStyle('\
            #'+setup.id+' { position:fixed;z-index:2147483647;top:40px;right:40px;padding:20px 30px;background-color:white;width:auto;border:1px solid black }\
            #'+setup.id+' * { color:black;text-align:left;line-height:normal;font-size:12px }\
            #'+setup.id+' div { text-align:center;font-weight:bold;font-size:14px }\
            #'+setup.id+' ul { margin:15px 0 15px 0;padding:0;list-style:none }\
            #'+setup.id+' li { margin:0;padding:3px 0 3px 0;vertical-align:middle }'
        );
        d.body.appendChild(ce('div', {id:setup.id,innerHTML:setup.html()}));
        setup.q('save').addEventListener('click', function() {
            setup.forEach(function(n) { cfg[n] = setup.get(n); });
            cfg.x = cfg.y = false;
            cfg.save();
            this.disabled = true;
            this.innerHTML = 'Reloading...';
            location.reload();
        });
        setup.forEach(function(n) {
            setup.set(n, cfg[n]);
            setup.q(n).addEventListener('change', setup.update);
        });
        setup.update();
    },
    update: function() {
        setup.forEach(function(n) {
            var s = cfg.settings[n];
            if(!s.depends) return;
            setup.q(n).parentNode.style.display = (Object.keys(s.depends).every(function(dn) { return s.depends[dn].test(setup.get(dn)); })) ? '' : 'none';
        });
    }
}

var links = {
    process: function(node) {
        var i = 0, list = node.tagName.toUpperCase() == 'A' ? [node] : node.querySelectorAll(links.query), isFB = location.hostname == 'www.facebook.com';
        if(list.length < 1) return;
        function processChunk() {
            var a, li, vi, num = 0, ae = d.activeElement;
            while(a = list[i++]) {
                if(!(li = links.parseInfo(a)) || ae && ae != d.body && ae.contains(a) || isFB && a.parentNode.outerHTML.indexOf('shareLink') > -1) continue;
                if((vi = cache.get(li.sid, li.vid)) || cfg.urls_only && !li.url) {
                    links.decorate(a, li, vi);
                } else {
                    (function(a, li) {
                        net.info(li, function(vi) { links.decorate(a, li, vi); });
                    })(a, li);
                }
                if(++num == 15) return window.setTimeout(processChunk, 100);
            }
            list = null;
        }
        node = null;
        processChunk();
    },
    parseInfo: function(a) {
        var url = a.getAttribute('data-expanded-url') || a.getAttribute('data-full-url') || a.href;
        try { url = decodeURIComponent(url.replace(/^https?:\/\/www\.facebook\.com\/.+(http.+)/, '$1')); } catch(ex) {};
        var test = function(pattern) { return this.indexOf(pattern.toLowerCase()) != -1; };
        for(var sid in sites) {
            var s = sites[sid], info;
            if(!sites[sid].patterns.some(test, url.toLowerCase())) continue;
            if(info = sites[sid].parse(url)) return {sid:sid,vid:info.vid,t:info.t,url:sites[sid].patterns.some(test, a.textContent.toLowerCase()),oUrl:url};
        }
        return null;
    },
    decorate: function(a, li, vi) {
        if(a.className.indexOf('YTLT-') > -1) {
            a.removeEventListener('click', this.onClick, false);
            a.removeEventListener('mouseover', this.onMouseOver, false);
        } else {
            if(!this.styleAdded) {
                var css = '\
                    #YTLT-preview { position:fixed;z-index:2147483645;width:320px;padding:0;border:1px solid black;background-color:black; }\
                    #YTLT-preview img { max-height:240px;width:inherit;vertical-align:bottom; }\
                    #YTLT-preview div { padding:4px 2px;width:316px;text-align:center;font-family:sans-serif;font-size:13px;color:white;font-weight:bold; }\
                    a.YTLT-na { text-decoration: line-through!important; }\
                    a.YTLT-text { font-weight:bold!important;font-style:italic!important; }\
                    a.YTLT-icon { padding-left:18px!important; }\
                    a.YTLT-icon.YTLT-na:hover, a.YTLT-icon.YTLT-ne:hover { background:transparent url(data:image/gif;base64,R0lGODlhEAAQAKIGAO/v7+vr676+vmVlZZqamv///////wAAACH5BAEAAAYALAAAAAAQABAAAAM/aLrc/tAIQisRj4DCOSAZN4xDATpEV4zmMlVdWZ6GxqWr2Cq4mau0nk0VCHZelsuiBwypbpkNkcZAWjCRrCIBADs=) center left no-repeat!important; }';
                for(var sid in sites) {
                    css += 'a.YTLT-icon-' + sid + ' { background:transparent url(' + sites[sid].icon + ') center left no-repeat!important; }';
                }
                GM_addStyle(css);
                this.styleAdded = true;
            }
            var c = ' YTLT-link';
            if(li.url || location.hostname == 'twitter.com') {
                c += ' YTLT-text YTLT-icon YTLT-icon-' + li.sid;
                if(vi) a.innerHTML = vi.title;
            } else {
                if(vi && !cfg.previews && vi.title) a.title = vi.title;
                if(a.hasChildNodes() && a.innerHTML.indexOf('<img') == -1 && a.textContent.trim()) {
                    c += ' YTLT-icon YTLT-icon-' + li.sid;
                }
            }
            if(vi.status == 3 || vi.status == 4) {
                c += ' YTLT-na';
            } else if(vi.status == 5) {
                c += ' YTLT-ne';
            }
            a.className += c;
            if(cfg.rewrite && sites[li.sid].url) {
                a.href = sites[li.sid].url(li.vid, li.t, li.oUrl);
            }
        }
        if(cfg.embed_mode != 'off') {
            a.target = '_blank';
            if(!vi.status) a.addEventListener('click', this.onClick);
        }
        if(cfg.previews && (vi && vi.preview || sites[li.sid].preview) && !a.querySelector('iframe')) {
            a.addEventListener('mouseover', this.onMouseOver);
            new Image().src = embedding.preview(vi, li);
        }
    },
    onClick: function(e) {
        if(e.ctrlKey || e.altKey || e.shiftKey || e.metaKey || e.button != 0) return;
        e.preventDefault();
        e.stopImmediatePropagation();
        rm('YTLT-preview');
        embedding.play(this);
    },
    onMouseOver: function(e) {
        rm('YTLT-preview');
        var li = links.parseInfo(this);
        var vi = cache.get(li.sid, li.vid);
        var qm = d.compatMode == 'BackCompat';
        var w = qm ? d.body.clientWidth : d.documentElement.clientWidth, h = qm ? d.body.clientHeight : d.documentElement.clientHeight;
        var img = ce('img', {src:embedding.preview(vi, li)});
        var div = ce('div', {id:'YTLT-preview'});
        div.appendChild(img);
        if(vi.title && this.textContent.indexOf(vi.title) == -1) div.appendChild(ce('div', {innerHTML:vi.title}));
        d.body.appendChild(div);
        var r = (this.firstElementChild || this).getBoundingClientRect();
        var dw = Math.max(div.offsetWidth, 320), dh = Math.max(div.offsetHeight, 240);
        if(h - r.height > 2*dh) {
            if(r.top + r.bottom > h) {
                div.style.bottom = h - r.top + 15 + 'px';
            } else {
                div.style.top = r.bottom + 15 + 'px';
            }
            div.style.left = Math.min(w - dw - 10, Math.max(10, e.pageX - dw/2)) + 'px';
        } else {
            if(r.right + r.left > w) {
                div.style.right = w - r.right + r.width + 15 + 'px';
            } else {
                div.style.left = r.left + r.width + 15 + 'px';
            }
            if(r.top+r.bottom > h) {
                div.style.bottom = Math.max(20, h - r.top - r.height/2 - dh/2) + 'px';
            } else {
                div.style.top = Math.max(10, r.top + r.height/2 - dh/2) + 'px';
            }
        }
        d.addEventListener('mouseout', links.onMouseOut);
    },
    onMouseOut: function(e) {
        d.removeEventListener('mouseout', links.onMouseOut, false);
        rm('YTLT-preview');
    }
};

var net = {
    info: function(li, f) {
        var id = li.sid + li.vid;
        if(typeof net.pending[id] != 'object') {
            net.pending[id] = [f];
            sites[li.sid].request(li.vid, function(vi) {
                if(vi) {
                    cache.set(li.sid, li.vid, vi);
                    for(var i = net.pending[id].length; i--;) {
                        window.setTimeout(net.pending[id][i], 0, vi);
                    }
                }
                delete net.pending[id];
                });
        } else {
            net.pending[id].push(f);
        }
    },
    pending: {},
    json: function(url, f) {
        GM_xmlhttpRequest({
            method:    'GET',
            url:    url,
            onload:    function(req) {
                var obj;
                try {
                    obj = JSON.parse(req.responseText);
                } catch(ex) {
                    log('JSON data from ' + url + ' could not be parsed: ' + ex + '\nHTTP: ' + req.status + '\nResponse: ' + req.responseText);
                }
                window.setTimeout(f, 0, req.status, obj, req.responseText);
            },
            onerror: function(req) {
                log('Request to ' + url + ' failed.');
                window.setTimeout(f, 0, req.status, null, req.responseText);
            }
        });
    },
    text: function(url, re, f) {
        GM_xmlhttpRequest({
            method:    'GET',
            url:    url,
            onload:    function(req) {
                var m = [], txt = req.responseText;
                for(var i = 0, len = re.length; i < len; i++) {
                    m.push(re[i].exec(txt));
                }
                window.setTimeout(f, 0, req.status, m);
            },
            onerror: function(req) {
                log('Request to ' + url + ' failed.');
                window.setTimeout(f, 0, req.status, []);
            }
        });
    }
};

var embedding = {
    play: function(a) {
        var li = links.parseInfo(a);
        if(cfg.embed_mode == 'inline') {
            var embed = embedding.embed(li, cfg.big);
            a.parentNode.replaceChild(embed, a);
            window.setTimeout(window.scrollTo, 0, 0, window.scrollY + embed.getBoundingClientRect().top - window.innerHeight/2 + embed.offsetHeight/2);
        } else if(cfg.embed_mode == 'window') {
            var embed = embedding.embed(li, cfg.big);
            var w = parseInt(embed.style.width), h = parseInt(embed.style.height);
            embed.style.width = '100%';
            embed.style.height = '100%';
            var div = ce('div');
            div.appendChild(embed);
            var features = 'left='+(window.screen.width/2-w/2)+',top='+(window.screen.height/2-h/2)+',width='+w+',height='+h+',status=no,scrollbars=no,location=no,menubar=no,toolbar=no,personalbar=no,dependent=no';
            window.open('data:text/html,<html><title>Video Player</title><body style="padding:0;margin:0;overflow:hidden;background:black">' + encodeURIComponent(div.innerHTML) + '</body></html>', 'YouTube Link Title', features);
            div.removeChild(embed);
        } else if(cfg.embed_mode == 'player') {
            popup.show(li);
        }
    },
    embed: function(li, big) {
        var site = sites[li.sid], embed = ce('iframe', {className:'YTLT-embed'});
        embed.setAttribute('webkitAllowFullScreen', '');
        embed.setAttribute('allowfullscreen', '');
        embed.setAttribute('YTLT-sid', li.sid);
        embedding.resize(embed, big);
        embed.src = site.embed(li.vid, li.t);
        embed.style.display = 'block';
        return embed;
    },
    resize: function(embed, big) {
        var site = sites[embed.getAttribute('YTLT-sid')];
        var w = site.sizes[big?1:0][0];
        var h = site.sizes[big?1:0][1];
        embed.style.width = w + 'px';
        embed.style.height = h + 'px';
    },
    preview: function(vi, li) {
        if(vi && vi.preview) {
             return vi.preview;
        } else if(sites[li.sid].preview) {
            return sites[li.sid].preview(li.vid);
        }
    }
};

var popup = {
    show: function(li) {
        if(window.top != window.self && !li.self) return window.parent.postMessage({YTLT:li}, '*');
        this.close();
        if(!this.styleAdded) {
            GM_addStyle('\
                #YTLT-bg { position:fixed;z-index:2147483647;top:0;right:0;bottom:0;left:0;background-color:black;opacity:0.9; }\
                #YTLT-player { display:block;position:fixed;z-index:2147483647;line-height:normal;background-color:black;border:2px solid black;font-size:13px;line-height:16px;padding:0;margin:0;left:auto;top:auto;right:auto;bottom:auto; }\
                #YTLT-player-titlebar { display:block;line-height:17px;padding:0;background:#1b1b1b;border-bottom:2px solid black;text-align:'+(cfg.reverse_buttons?'left':'right')+'; }\
                #YTLT-player-left { display:block;position:absolute;left:-6px;top:6px;bottom:6px;width:8px;padding:0;margin:0;background:none;cursor:ew-resize;s }\
                #YTLT-player-bottom { display:block;position:absolute;left:6px;right:6px;bottom:-6px;height:8px;padding:0;margin:0;background:none;cursor:ns-resize;s }\
                #YTLT-player-darken { padding:0px 11px 3px 11px; }\
                #YTLT-player-resize { padding:1px 11px 2px 11px; }\
                #YTLT-player-close { padding:0px 28px 3px 28px; }\
                #YTLT-player .YTLT-embed { border:0;line-height:normal; }\
                #YTLT-player .YTLT-player-titlebar-button { vertical-align:top;display:inline-block;margin:0;font-weight:bold;font-size:14px;text-decoration:none;border:0;border-'+(cfg.reverse_buttons?'right':'left')+':2px solid black;color:#757575;text-decoration:none;cursor:pointer;font-family:"segoe ui",verdana,sans-serif; }\
                #YTLT-player .YTLT-player-titlebar-button:hover { color:#959595!important; }\
                .YTLT-embed { display:block;background-color:black;border:2px solid black;margin:0;padding:0; }\
                #YTLT-player:not(.YTLT-player-resizing) .YTLT-embed { transition-property:width,height;transition-duration:500ms;transition-timing-function:ease; }\
                #YTLT-player.YTLT-player-moving { opacity:0.8;cursor:move;border:2px solid white; }\
                #YTLT-player.YTLT-player-resizing { opacity:0.8; }\
                #YTLT-player.YTLT-player-moving .YTLT-embed, #YTLT-player.YTLT-player-resizing .YTLT-embed { visibility:hidden; }\
                .YTLT-noselect { -moz-user-select:none;-webkit-user-select:none;-o-user-select:none; }'
            );
            this.styleAdded = true;
        }
        this.li = li;
        var titlebar = ce('div', {id:'YTLT-player-titlebar',mousedown:this.onTitlebarMouseDown});
        var buttons = [
            ce('a', {id:'YTLT-player-darken',className:'YTLT-player-titlebar-button YTLT-noselect',innerHTML:'&#9788;',click:this.onDarkenClick}),
            ce('a', {id:'YTLT-player-resize',className:'YTLT-player-titlebar-button YTLT-noselect',click:this.onResizeClick}),
            ce('a', {id:'YTLT-player-close',className:'YTLT-player-titlebar-button YTLT-noselect',innerHTML:'X',click:this.onCloseClick})
        ];
        if(cfg.reverse_buttons) buttons.reverse();
        for(var i = 0; i < buttons.length; i++) {
            titlebar.appendChild(buttons[i]);
        }
        var player = ce('div', {id:'YTLT-player'});
        player.appendChild(titlebar);
        player.appendChild(ce('div', {id:'YTLT-player-left',mousedown:this.onBorderMouseDown}));
        player.appendChild(ce('div', {id:'YTLT-player-bottom',mousedown:this.onBorderMouseDown}));
        player.appendChild(embedding.embed(li, cfg.big));
        if(cfg.darken) d.body.appendChild(ce('div', {id:'YTLT-bg'}));
        d.body.appendChild(player);
        this.update();
        var w = player.offsetWidth, h = player.offsetHeight;
        var x = parseFloat(cfg.x), y = parseFloat(cfg.y);
        var qm = d.compatMode == 'BackCompat';
        var cw = qm ? d.body.clientWidth : d.documentElement.clientWidth;
        var ch = qm ? d.body.clientHeight : d.documentElement.clientHeight;
        var mx = cw - x - w/2;
        var isPosValid = mx > 0 && mx < cw && y > -5 && y < ch - h/2;
        player.style.right = (isPosValid ? x : 80) + 'px';
        player.style.top   = (isPosValid ? y : ch/2 - h/2) + 'px';
        d.addEventListener('keydown', this.onKeyDown);
    },
    close: function() {
        rm('YTLT-player');
        rm('YTLT-bg');
        d.removeEventListener('keydown', popup.onKeyDown, true);
    },
    update: function(e) {
        $('YTLT-player-resize').innerHTML = cfg.big ? '&#65293;' : '&#65291;';
    },
    onCloseClick: function(e) {
        e.preventDefault();
        popup.close();
    },
    onResizeClick: function(e) {
        e.preventDefault();
        cfg.big = !cfg.big;
        cfg.save();
        var embed = d.body.querySelector('#YTLT-player .YTLT-embed');
        embedding.resize(embed, cfg.big);
        popup.update();
    },
    onDarkenClick: function(e) {
        if($('YTLT-bg')) {
            rm('YTLT-bg');
            cfg.darken = false;
            cfg.save();
        } else {
            var player = $('YTLT-player');
            player.parentNode.insertBefore(ce('div', {id:'YTLT-bg'}), player);
            cfg.darken = true;
            cfg.save();
        }
    },
    onKeyDown: function(e) {
        if(e.keyCode == 27) popup.close();
    },
    onTitlebarMouseDown: function(e) {
        var t = e.target;
        if(t.id != 'YTLT-player-titlebar') return;
        t.parentNode.className = 'YTLT-player-moving';
        var r = t.getBoundingClientRect();
        t.dx = e.clientX - r.left;
        t.dy = e.clientY - r.top;
        d.body.className += ' YTLT-noselect';
        d.addEventListener('mousemove', popup.onTitlebarMouseMove);
        d.addEventListener('mouseup', popup.onTitlebarMouseUp);
    },
    onTitlebarMouseMove: function(e) {
        var titlebar = $('YTLT-player-titlebar');
        titlebar.parentNode.style.right = (d.compatMode == 'BackCompat' ? d.body.clientWidth : d.documentElement.clientWidth) - e.clientX - titlebar.offsetWidth + titlebar.dx - 2 + 'px';
        titlebar.parentNode.style.top = e.clientY - titlebar.dy - 2 + 'px';
    },
    onTitlebarMouseUp: function(e) {
        var titlebar = $('YTLT-player-titlebar');
        titlebar.parentNode.className = '';
        titlebar.dx = null;
        titlebar.dy = null;
        d.removeEventListener('mousemove', popup.onTitlebarMouseMove, false);
        d.removeEventListener('mouseup', popup.onTitlebarMouseUp, false);
        d.body.className = d.body.className.replace('YTLT-noselect', '');
        cfg.x = parseInt(titlebar.parentNode.style.right);
        cfg.y = titlebar.parentNode.style.top;
        cfg.save();
    },
    onBorderMouseDown: function(e) {
        var embed = d.body.querySelector('#YTLT-player .YTLT-embed');
        embed.parentNode.className = 'YTLT-player-resizing';
        var r = embed.getBoundingClientRect();
        embed.ratio = r.width/r.height;
        embed.anchor = [r.right, r.top];
        embed.control = e.target.id;
        d.body.className += ' YTLT-noselect';
        d.addEventListener('mousemove', popup.onBorderMouseMove);
        d.addEventListener('mouseup', popup.onBorderMouseUp);
    },
    onBorderMouseMove: function(e) {
        var embed = d.body.querySelector('#YTLT-player .YTLT-embed'), w, h;
        if(embed.control == 'YTLT-player-left') {
            var dx = embed.anchor[0] - e.clientX;
            w = dx;
            h = dx / embed.ratio;
        } else {
            var dy = e.clientY - embed.anchor[1];
            w = embed.ratio * dy;
            h = dy;
        }
        embed.style.width = w + 'px';
        embed.style.height = h + 'px';
    },
    onBorderMouseUp: function(e) {
        var embed = d.body.querySelector('#YTLT-player .YTLT-embed');
        embed.parentNode.className = '';
        embed.x = null;
        embed.y = null;
        embed.w = null;
        embed.h = null;
        d.removeEventListener('mousemove', popup.onBorderMouseMove, false);
        d.removeEventListener('mouseup', popup.onBorderMouseUp, false);
        d.body.className = d.body.className.replace('YTLT-noselect', '');
    },
};

var sites = {
    'yt':{
        patterns:["youtube.com", "youtu.be", "youtube.googleapis.com"],
        parse:function(url) { return /^https?:\/\/((www\.|m\.)?youtu(\.be|be\.(googleapis\.)?com).+v[=\/]|#p\/[a-z]\/.+\/|youtu\.be\/)([a-z0-9_-]+)(.*[#&\?]t=([0-9hms]+))?/i.exec(url) ? {vid:RegExp.$5, t:RegExp.$7} : null; },
        sizes:[[640,390],[853,510]],
        embed:function(vid, t) { var m = /((\d+)h)?((\d+)m)?(\d+)?/.exec(t); t = parseInt(m[2] || 0)*3600 + parseInt(m[4] || 0)*60 + parseInt(m[5] || 0); return 'https://www.youtube.com/embed/' + vid + '?autoplay=1&rel=1' + (t ? '&start=' + t : ''); },
        url:function(vid, t, oUrl) { return 'https://www.youtube.com/watch?v=' + vid + (/\b(list=[a-z0-9_-]+)/i.exec(oUrl) ? '&' + RegExp.$1 : '') + (t ? '#t=' + t : ''); },
        preview:function(vid) { return 'https://img.youtube.com/vi/' + vid + '/0.jpg'; },
        icon:'data:image/png;base64,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',
        request:function(vid, f) {
            net.json('https://gdata.youtube.com/feeds/api/videos/' + vid + '?alt=json&fields=title/text(),yt:noembed,app:control/yt:state/@reasonCode', function(code, obj, txt) {
                if(code == 404 && txt.indexOf('Video not found') != -1) {
                    window.setTimeout(f, 0, {title:'Video not found', status:4});
                } else if(code == 403 && txt.indexOf('Private video') != -1) {
                    window.setTimeout(f, 0, {title:'Private video', status:3});
                } else if(code == 200 && obj) {
                    var entry = obj.entry;
                    var title = entry.title.$t;
                    var status;
                    if(entry.app$control && entry.app$control.yt$state && entry.app$control.yt$state.reasonCode && entry.app$control.yt$state.reasonCode != 'limitedSyndication') {
                        status = 3;
                    } else if(typeof entry.yt$noembed == 'object') {
                        status = 5;
                    }
                    window.setTimeout(f, 0, {title:title, status:status});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    },
    'vm':{
        patterns:["vimeo.com"],
        parse:function(url) { return /^https?:\/\/vimeo\.com\/(m\/)?([0-9]+)/i.exec(url) ? {vid:RegExp.$2} : null; },
        sizes:[[640,360],[853, 480]],
        embed:function(vid, t) { return 'https://player.vimeo.com/video/' + vid + '?title=1&portrait=1&byline=1&color=aa0000&autoplay=1'; },
        url:function(vid, t) { return 'https://vimeo.com/' + vid; },
        icon:'data:image/gif;base64,R0lGODlhEAAQAMQfAAuUuQynzzu83u/09Ryy2Su320rC4IbW6mKOngqHq5GvuoO3xhVbc0m92zV7keDo60R8j8Hc5KHEzwuawGSluaTg8Ah1lfD5/BmPsJPI13fR6LLd6f///wuavg2t1gAAACH5BAEAAB8ALAAAAAAQABAAAAVu4NeNZFmKgqeurCqMbbzCbrEWh0ao9MFdNgNnWOF1CJUhR+PZDIYRY2MRGWYIFsVQYgRYHNBAc4gwqiaPoUfIkQDMKsnwkB5YZp0VRTmEsGgeGHwIb3grAVoDCAktgB4WEAyMjY4AYpQiJpojHyEAOw==',
        request:function(vid, f) {
            net.json('https://vimeo.com/api/oembed.json?url=http://vimeo.com/' + vid, function(code, obj) {
                if(code == 404) {
                    window.setTimeout(f, 0, {title:'Video not found', status:4});
                } else if(code == 403) {
                    window.setTimeout(f, 0, {title:'Unknown video', status:5});
                } else if(code == 200 && obj) {
                    window.setTimeout(f, 0, {title:obj.title ? obj.title : 'Unknown video', preview:obj.thumbnail_url});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    },
    'vn':{
        patterns:["vine.co"],
        parse:function(url) { return /^https?:\/\/(www\.)?vine\.co\/v\/([a-z0-9]+)/i.exec(url) ? {vid:RegExp.$2} : null; },
        sizes:[[500,500],[660,660]],
        embed:function(vid) { return 'https://vine.co/v/' + vid + '/card?mute=0'; },
        url:function(vid) { return 'https://vine.co/v/' + vid; },
        icon:'data:image/gif;base64,R0lGODlhEAAQALMAAAqnfLXk1/b7+jS1ks3t5JvZyFbBpOf28onSvhirhHLLswCjdgCkdwCjd////wCkeCH5BAAAAAAALAAAAAAQABAAAARp8Mk5TQgoNbqrcGCgMQZiUISDHcK5IE4xDezQBI6yvOpcPzjdwtCbBAEpF+1gkygchIEis0kkdwwr1DUpFCUDnOAgHI6bTtABQcGJGA1tYeTJSWBMLAU//ZQ5AF4fMQCAe36FhhQGXBQRADs=',
        request:function(vid, f) {
            net.text('https://vine.co/v/' + vid, [/"og:title" content="(.+?)">/, /"og:image" content="(.+?)"/], function(code, m) {
                var title = m[0], preview = m[1];
                if(code == 404) {
                    window.setTimeout(f, 0, {title:'Video not found', status:4});
                } else if(code == 200 && title) {
                    window.setTimeout(f, 0, {title:title ? title[1] : 'Unknown video', preview:preview ? preview[1] : null});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    },
    'll':{
        patterns:["liveleak.com/view"],
        parse: function(url) { return /^https?:\/\/(m|www)\.liveleak\.com\/view.+i=([0-9a-z_]+)/i.exec(url) ? {vid:RegExp.$2} : null; },
        sizes:[[625,352],[852,480]],
        embed:function(vid) { return 'http://www.liveleak.com/ll_embed?i=' + vid; },
        url:function(vid) { return 'http://www.liveleak.com/view?i=' + vid; },
        icon:'data:image/gif;base64,R0lGODlhEAAQAIAAAPz8/JcAACH5BAAAAAAALAAAAAAQABAAAAIrjI+pB+1gWoLhRcqurDhqumXcFnoj2FXfNa1ce7IISqb0DcJPPi+f4wsWAAA7',
        request:function(vid, f) {
            net.text('http://www.liveleak.com/view?i=' + vid, [/Item not found!/i, /<title>LiveLeak\.com - (.+?)<\/title>/i, /"og:image" content="(.+?)"/], function(code, m) {
                var notfound = m[0], title = m[1], preview = m[2];
                if(notfound) {
                    window.setTimeout(f, 0, {title:'Video not found', status:4});
                } else if(code == 200 && title) {
                    window.setTimeout(f, 0, {title:title ? title[1] : 'Unknown video', preview:preview ? preview[1].replace('_thumb_', '_sf_') : null});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    },
    'wh':{
        patterns:["worldstarhiphop.com"],
        parse: function(url) { return /^https?:\/\/(www\.|m\.)?worldstarhiphop\.com\/.+v=([a-z0-9]+)/i.exec(url) ? {vid:RegExp.$2} : null; },
        sizes:[[448,374],[640,534]],
        embed:function(vid) { return 'http://www.worldstarhiphop.com/videos/ea/16711680/' + vid; },
        url:function(vid) { return 'http://www.worldstarhiphop.com/videos/video.php?v=' + vid; },
        icon:'data:image/png;base64,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',
        request:function(vid, f) {
            net.text('http://www.worldstarhiphop.com/videos/video.php?v=' + vid, [/<title>(Video: )?(.+?)\s*(\(\*Warning|<\/title>)/i, /"image_src" href="(.+?)"/], function(code, m) {
                var title = m[0], preview = m[1];
                if(title) {
                    window.setTimeout(f, 0, {title:title[2], preview:preview ? preview[1] : null});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    },
    'dm':{
        patterns:["dailymotion.com/video"],
        parse:function(url) { return /^https?:\/\/www\.dailymotion\.com\/video\/([a-z0-9]+)(.+start=([0-9]+))?/i.exec(url) ? {vid:RegExp.$1,t:RegExp.$3} : null; },
        sizes:[[620,352],[853,480]],
        embed:function(vid, t) { return 'https://www.dailymotion.com/embed/video/' + vid + '?logo=0&autoplay=1' + (t ? '&start=' + t : ''); },
        url:function(vid, t) { return 'https://www.dailymotion.com/video/' + vid + (t ? '?start=' + t : ''); },
        icon:'data:image/gif;base64,R0lGODlhEAAQAMQAAGB0hvHXCi5aq6mYZThltsiUCEd1ydmlAXSImMi1g7KCDePUZdO3TjJWl5dpBf7wAT5jpNrPkNCsJyVQnOzBBJ6klcCYLx1Jmdvh62WT5fLiKYV3V9W8Gr27tUlrqjVYlyH5BAAAAAAALAAAAAAQABAAAAWfIAZ5ZGmSkJgZbOuyGQQZRF1Xnl0bMm0jHISOwJv9FhSJ0Mb76CqLg2JAENg+TisBoTk4NoKw9dOoCjyVQOHrERMaDcFk4mEEvIoORAyXQwYcDwcFBxYJewJ9Fx0SAYIHFAoFHxOJDRMXCQWOB5CSCHNwmAMKD48UBQUJFxNwFxcWEqadqIavlwIXHwARCxYWDBEAEBdyGK1YycpkExghADs=',
        request:function(vid, f) {
            net.json('https://www.dailymotion.com/services/oembed?format=json&url=http://www.dailymotion.com/video/' + vid, function(code, obj) {
                if(code == 404) {
                    window.setTimeout(f, 0, {title:'Video not found', status:4});
                } else if(code == 200 && obj) {
                    window.setTimeout(f, 0, {title:obj.title ? obj.title : 'Unknown video', preview:obj.thumbnail_url});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    },
    'cb':{
        patterns:["coub.com/view/"],
        parse:function(url) { return /^https?:\/\/coub\.com\/view\/([a-z0-9]+)/i.exec(url) ? {vid:RegExp.$1} : null; },
        sizes:[[640,360],[853,480]],
        embed:function(vid, t) { return 'http://coub.com/embed/' + vid + '?muted=false&autostart=true&noSiteButtons=true'; },
        url:function(vid, t) { return 'http://coub.com/view/' + vid; },
        icon:'data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAWlBMVEUAAAADM/8AIP8DMv8AK/8DMv8DMv8AMP8EMv8EMv8EM/8DMv////8UQP+Dmv9kgf/t8P/M1v/j6f8dSP96k//Z4f+Mov/Bzf8MOf+0wv87X/91j/+Yq/9rhv9szalUAAAACnRSTlMAvwjCBpSYKo/huP286QAAAHpJREFUGNNlj9sSgyAMRGkrBQ4R1Kq9//9vCiqOo+ctmWx2V2WMdd47a9RCpVm5X+f5wsatSgvNDp30QD02ItKMDzDKprmVto+hkwhWOQjyfuW7bw1OeXjKh4I/LthL+ixZnw4hhkH+YBfb0GXbX7Y9BjtFP5cr9Sn1JyOZCa2SfTdfAAAAAElFTkSuQmCC',
        request:function(vid, f) {
            net.json('http://coub.com/api/oembed.json?url=http://coub.com/view/' + vid, function(code, obj) {
                if(code == 404) {
                    window.setTimeout(f, 0, {title:'Video not found', status:4});
                } else if(code == 403) {
                    window.setTimeout(f, 0, {title:'Unknown video', status:5});
                } else if(code == 200 && obj) {
                    window.setTimeout(f, 0, {title:obj.title ? obj.title : 'Unknown video', preview:obj.thumbnail_url});
                } else {
                    window.setTimeout(f, 0);
                }
            });
        }
    }
};

var cache = {
    get: function(sid, vid) {
        if(!this.obj) this.load();
        var data = this.obj[sid + vid];
        if(!data) return false;
        data = data.split('\t');
        return data[0] ? {title:data[0],status:data[1],preview:data[2]} : false;
    },
    set: function(sid, vid, info) {
        if(!info) return;
        this.load();
        this.obj[sid + vid] = [info.title,info.status,info.preview].join('\t').trim();
        this.save();
    },
    save: function() {
        try {
            cache.clean();
            GM_setValue('cache', JSON.stringify(cache.obj));
        } catch(ex) { log('Error while saving cache: ' + ex); }
        cache.obj = null;
    },
    load: function() {
        try {
            this.obj = JSON.parse(GM_getValue('cache'));
        } catch(ex) { }
        if(this.obj == null || typeof(this.obj) != 'object') this.obj = {};
    },
    clean: function() {
        var overflow = Object.keys(this.obj).length - 300;
        if(overflow < 1) return;
        var i = 0, f = Object.prototype.hasOwnProperty;
        for(var p in this.obj) {
            if(f.call(this.obj, p)) {
                delete this.obj[p];
                if(++i == overflow + 20) return;
            }
        }
    }
};

var cfg = {
    settings: {
        reverse_buttons: { title:'Move buttons to the left', default:false, depends:{embed_mode:/player/} },
        big: { title:'480p instead of 360p', default:false, depends:{embed_mode:/window|inline/} },
        embed_mode: { title:'Embed on click', default:'player', options:{off:'off', player:'in-page popup', inline:'inline', window:'popup window'} },
        rewrite: { title:'Rewrite addresses to non-mobile HTTPS URLs', default:true },
        urls_only: { title:'Look up info only when link text is URL', default:false },
        previews: { title:'Show preview image on hover', default:true },
        darken: {},
        x: {},
        y: {}
    },
    load: function() {
        forEach(cfg.settings, function(n) { cfg[n] = GM_getValue(n, cfg.settings[n].default); });
    },
    save: function() {
        forEach(cfg.settings, function(n) { if(typeof cfg[n] != 'undefined') GM_setValue(n, cfg[n]); });
    }
};

window.setTimeout(onLoad, 100);