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Make about:tabs useful for cleaning up large numbers of tabs #4

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173 changes: 156 additions & 17 deletions abouttabs.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,10 @@ const Cu = Components.utils;

Cu.import("resource://gre/modules/Services.jsm");

function is_loaded(tab) {
return !"__SS_restoreState" in tab.linkedBrowser || tab.linkedBrowser.__SS_restoreState != 1;
}

function close(dict, key, keep_one) {
if (key === undefined) {
for (key in dict)
Expand Down Expand Up @@ -36,13 +40,112 @@ function create_close_link(dict, key, keep_one, label) {
var a = document.createElement("a");
a.href = '#';
a.onclick = function () {
close(dict, key, keep_one);
if (a.parentNode.closeSelectedOnly) {
for (var check of a.parentNode.getElementsByTagName("input")) {
if (check.checked) {
var [tab, browser] = check.tab;
browser.removeTab(tab);
}
}
} else if (dict) {
close(dict, key, keep_one);
}
refresh();
}
};
var span = document.createElement("span");
span.className = "closelink";
span.appendChild(document.createTextNode(label));
a.appendChild(span);
return a;
}

function create_close_checkbox(tab) {
var check = document.createElement("input");
check.type = "checkbox";
check.tab = tab;
return check;
}

function create_tabs_link(uris) {
var label = uris.length + " tabs";

var a = document.createElement("a");
a.href = '#';
a.onclick_open = function () {
var list = document.createElement("ul");
list.className = "tablist";
for (var [t, b] of uris) {
var uri = t.linkedBrowser.currentURI;
var li = document.createElement("li");
var tablink = document.createElement("a");
tablink.href = "#";
tablink.title = "Switch to tab";
tablink.onclick = (function (t,b) { return function () { b.selectedTab = t } })(t, b);
tablink.appendChild(document.createTextNode(uri.spec));
li.appendChild(create_close_checkbox([t, b]));
li.appendChild(document.createTextNode(" "));
li.appendChild(tablink);
li.appendChild(document.createTextNode(" - "));
if (is_loaded(t)) {
li.appendChild(document.createTextNode(t.label));
} else {
var em = document.createElement("em");
em.appendChild(document.createTextNode(t.label));
li.appendChild(em);
}
list.appendChild(li);
}
a.parentNode.appendChild(list);
a.parentNode.closeSelectedOnly = true;
var closespan = a.parentNode.getElementsByClassName("closelink")[0];
closespan.textContent = "[Close Selected]";
a.onclick = a.onclick_close;
};
a.onclick_close = function () {
for (var deadmeat of document.getElementsByClassName("tablist")) {
deadmeat.remove();
}
a.parentNode.closeSelectedOnly = false;
var closespan = a.parentNode.getElementsByClassName("closelink")[0];
closespan.textContent = "[Close]";
a.onclick = a.onclick_open;
};
a.onclick = a.onclick_open;
a.appendChild(document.createTextNode(label));
return a;
}

function plural(n, noun) {
noun = noun.replace(/__/g, " ");
if (n == 1)
return noun;
if (noun.endsWith("s"))
return noun + "es";
if (noun.endsWith("sh"))
return noun;
if (noun.endsWith("ch"))
return noun + "es";
if (noun.endsWith("x"))
return noun + "es";
return noun + "s";
}

// en`${n} dog ${k} horse` => "2 dogs 1 horse"
// en`${n} happy__dog` => "4 happy dogs"
// en`${n} dog ${n}<has|have> fleas` => "1 dog has fleas"
function en(strings, ...values) {
var s = strings[0];
for (var i = 0; i < values.length; i++) {
var n = values[i];
var fragment = strings[i+1];
if (fragment.charAt(0) == '<')
s += fragment.replace(/<(.*?)\|(.*)>/, (_, a, b) => (n == 1) ? a : b);
else
s += n + fragment.replace(/(\w+)/, (_, word) => plural(n, word));
}
return s;
}

function refresh() {
var ul = document.getElementById("stats");
while (ul.firstChild)
Expand Down Expand Up @@ -70,9 +173,11 @@ function refresh() {
}
}
var li = document.createElement("li");
li.appendChild(document.createTextNode(tabs.length + " tab"+ (tabs.length > 1 ? "s" : "") + " across " + tabGroupsCount + " group" + (tabGroupsCount > 1 ? "s" : "") + " in " + windowsCount + " window" + (windowsCount > 1 ? "s" : "")));
li.appendChild(document.createTextNode(en`${tabs.length} tab across ${tabGroupsCount} group in ${windowsCount} window`));
ul.appendChild(li);

var loaded_only = document.location.href.indexOf("loaded=1") != -1;

var uris = {};
var hosts = {};
var urihosts = {};
Expand All @@ -85,8 +190,10 @@ function refresh() {
blankTabs++
return;
}
if (!"__SS_restoreState" in tab.linkedBrowser || tab.linkedBrowser.__SS_restoreState != 1)
if (is_loaded(tab))
loadedTabs++;
else if (loaded_only)
return;
tab = [tab, win.gBrowser];
if (uri.spec in uris)
uris[uri.spec].push(tab);
Expand Down Expand Up @@ -119,33 +226,38 @@ function refresh() {
uniqueHosts++;

li = document.createElement("li");
li.appendChild(document.createTextNode(loadedTabs + " tab" + (loadedTabs > 1 ? "s" : "") + " ha" + (loadedTabs > 1 ? "ve" : "s") + " been loaded"));
li.appendChild(document.createTextNode(en`${loadedTabs} tab ${loadedTabs}<has|have> been loaded` + (loaded_only ? " (showing only info for these tabs)" : "")));
ul.appendChild(li);

li = document.createElement("li");
li.appendChild(document.createTextNode(uniqueUris + " unique address" + (uniqueUris > 1 ? "es" : "")));
li.appendChild(document.createTextNode(en`${uniqueUris} unique__address`));
ul.appendChild(li);

li = document.createElement("li");
li.appendChild(document.createTextNode(uniqueHosts + " unique host" + (uniqueHosts > 1 ? "s" : "")));
li.appendChild(document.createTextNode(en`${uniqueHosts} unique__host`));
ul.appendChild(li);

if (blankTabs) {
li = document.createElement("li");
li.appendChild(document.createTextNode(blankTabs + " empty tab" + (blankTabs > 1 ? "s" : "")));
li.appendChild(document.createTextNode(en`${blankTabs} empty__tab`));
ul.appendChild(li);
}

li = document.createElement("li");
li.appendChild(document.createTextNode(en`${Object.keys(schemes).length} URI__scheme`));
var sub_ul = document.createElement("ul");
for (key in schemes) {
li = document.createElement("li");
li.appendChild(document.createTextNode(schemes[key]+ " " + key + ":"));
ul.appendChild(li);
var sub_li = document.createElement("li");
sub_li.appendChild(document.createTextNode(schemes[key]+ " " + key + ":"));
sub_ul.appendChild(sub_li);
}
li.appendChild(sub_ul);
ul.appendChild(li);

var uris_ = [uri for (uri in uris) if (uris[uri].length > 1)];
if (uris_.length) {
li = document.createElement("li");
li.appendChild(document.createTextNode(uris_.length + " address" + (uris_.length > 1 ? "es" : "") + " in more than 1 tab: "));
li.appendChild(document.createTextNode(en`${uris_.length} address` + " in more than 1 tab: "));
li.appendChild(create_close_link(uris, undefined, true, "[Dedup]"));
li.appendChild(document.createTextNode(" "));
li.appendChild(create_close_link(uris, undefined, false, "[Close]"));
Expand All @@ -156,10 +268,14 @@ function refresh() {
return 1;
if (uris[a].length > uris[b].length)
return -1;
return 0;
if (uris[a] == uris[b])
return 0;
return uris[a] < uris[b] ? -1 : 1;
}).forEach(function(uri) {
sub_li = document.createElement("li");
sub_li.appendChild(document.createTextNode(uri+" ("+uris[uri].length + " tabs) "));
sub_li.appendChild(document.createTextNode(uri+" ("));
sub_li.appendChild(create_tabs_link(uris[uri]));
sub_li.appendChild(document.createTextNode(") "));
sub_li.appendChild(create_close_link(uris, uri, true, "[Dedup]"));
sub_li.appendChild(document.createTextNode(" "));
sub_li.appendChild(create_close_link(uris, uri, false, "[Close]"));
Expand All @@ -169,10 +285,17 @@ function refresh() {
ul.appendChild(li);
}

var hosts_ = [host for (host in hosts) if (hosts[host].length > 1)];
var hosts_ = [], singles = [];
for (var host in hosts) {
if (hosts[host].length == 1)
singles.push(hosts[host][0]);
else
hosts_.push(host);
}

if (hosts_.length) {
li = document.createElement("li");
li.appendChild(document.createTextNode(hosts_.length + " host" + (hosts_.length > 1 ? "s" : "") + " in more than 1 tab:"));
li.appendChild(document.createTextNode(en`${hosts_.length} host in more than 1 tab:`));
var sub_ul = document.createElement("ul");
var sub_li;
hosts_.sort(function cmp(a, b) {
Expand All @@ -183,7 +306,9 @@ function refresh() {
return 0;
}).forEach(function(host) {
sub_li = document.createElement("li");
var text = host+" (" + hosts[host].length + " tabs";
sub_li.appendChild(document.createTextNode(host + " ("));
sub_li.appendChild(create_tabs_link(hosts[host]));
var text = "";
var keys = Object.keys(urihosts[host]);
if (keys.length < hosts[host].length)
text += ", " + keys.length + " unique";
Expand All @@ -192,8 +317,22 @@ function refresh() {
sub_li.appendChild(create_close_link(hosts, host, false, "[Close]"));
sub_ul.appendChild(sub_li);
});

li.appendChild(sub_ul);
ul.appendChild(li);

if (singles.length > 0) {
li = document.createElement("li");
li.appendChild(document.createTextNode("Hosts in a single tab ("));
li.appendChild(create_tabs_link(singles.sort((a, b) => {
var [ta, ba] = a;
var [tb, bb] = b;
return ta._lastAccessed - tb._lastAccessed;
})));
li.appendChild(document.createTextNode(") "));
li.appendChild(create_close_link(undefined, undefined, false, "[Close]"));
ul.appendChild(li);
}
}
}

Expand Down
2 changes: 1 addition & 1 deletion install.rdf
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
<?xml version="1.0" encoding="utf-8"?><RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#">
<Description about="urn:mozilla:install-manifest">
<em:id>tabstats@glandium.org</em:id>
<em:version>0.0.5</em:version>
<em:version>0.0.6</em:version>
<em:type>2</em:type>
<em:bootstrap>true</em:bootstrap>

Expand Down