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// Copyright (c) 2006-2008 by Martin Stubenschrott <stubenschrott@vimperator.org>
// Copyright (c) 2007-2009 by Doug Kearns <dougkearns@gmail.com>
// Copyright (c) 2008-2009 by Kris Maglione <maglione.k@gmail.com>
//
// This work is licensed for reuse under an MIT license. Details are
// given in the LICENSE.txt file included with this file.
const History = Module("history", {
requires: ["config"],
get format() bookmarks.format,
get service() services.get("history"),
get: function get(filter, maxItems) {
// no query parameters will get all history
let query = services.get("history").getNewQuery();
let options = services.get("history").getNewQueryOptions();
if (typeof filter == "string")
filter = { searchTerms: filter };
for (let [k, v] in Iterator(filter))
query[k] = v;
options.sortingMode = options.SORT_BY_DATE_DESCENDING;
options.resultType = options.RESULTS_AS_URI;
if (maxItems > 0)
options.maxResults = maxItems;
// execute the query
let root = services.get("history").executeQuery(query, options).root;
root.containerOpen = true;
let items = util.map(util.range(0, root.childCount), function (i) {
let node = root.getChild(i);
return {
url: node.uri,
title: node.title,
icon: node.icon ? node.icon.spec : DEFAULT_FAVICON
};
});
root.containerOpen = false; // close a container after using it!
return items;
},
get session() {
let sh = window.getWebNavigation().sessionHistory;
let obj = [];
obj.index = sh.index;
obj.__iterator__ = function () util.Array.iteritems(this);
for (let i in util.range(0, sh.count)) {
obj[i] = { index: i, __proto__: sh.getEntryAtIndex(i, false) };
util.memoize(obj[i], "icon",
function (obj) services.get("favicon").getFaviconImageForPage(obj.URI).spec);
}
return obj;
},
// TODO: better names
stepTo: function stepTo(steps) {
let start = 0;
let end = window.getWebNavigation().sessionHistory.count - 1;
let current = window.getWebNavigation().sessionHistory.index;
if (current == start && steps < 0 || current == end && steps > 0)
liberator.beep();
else {
let index = util.Math.constrain(current + steps, start, end);
window.getWebNavigation().gotoIndex(index);
}
},
goToStart: function goToStart() {
let index = window.getWebNavigation().sessionHistory.index;
if (index > 0)
window.getWebNavigation().gotoIndex(0);
else
liberator.beep();
},
goToEnd: function goToEnd() {
let sh = window.getWebNavigation().sessionHistory;
let max = sh.count - 1;
if (sh.index < max)
window.getWebNavigation().gotoIndex(max);
else
liberator.beep();
},
// if openItems is true, open the matching history items in tabs rather than display
list: function list(filter, openItems, maxItems) {
// FIXME: returning here doesn't make sense
// Why the hell doesn't it make sense? --Kris
// See comment at bookmarks.list --djk
if (!openItems)
return completion.listCompleter("history", filter, maxItems);
let items = completion.runCompleter("history", filter, maxItems);
if (items.length)
return liberator.open(items.map(function (i) i.url), liberator.NEW_TAB);
if (filter.length > 0)
liberator.echoerr("E283: No history matching \"" + filter + "\"");
else
liberator.echoerr("No history set");
return null;
}
}, {
}, {
commands: function () {
commands.add(["ba[ck]"],
"Go back in the browser history",
function (args) {
let url = args.literalArg;
if (args.bang)
history.goToStart();
else {
if (url) {
let sh = history.session;
if (/^\d+(:|$)/.test(url) && sh.index - parseInt(url) in sh)
return void window.getWebNavigation().gotoIndex(sh.index - parseInt(url));
for (let [i, ent] in Iterator(sh.slice(0, sh.index).reverse()))
if (ent.URI.spec == url)
return void window.getWebNavigation().gotoIndex(i);
liberator.echoerr("Exxx: URL not found in history");
}
else
history.stepTo(-Math.max(args.count, 1));
}
return null;
},
{
argCount: "?",
bang: true,
completer: function completer(context) {
let sh = history.session;
context.anchored = false;
context.compare = CompletionContext.Sort.unsorted;
context.filters = [CompletionContext.Filter.textDescription];
context.completions = sh.slice(0, sh.index).reverse();
context.keys = { text: function (item) (sh.index - item.index) + ": " + item.URI.spec, description: "title", icon: "icon" };
},
count: true,
literal: 0
});
commands.add(["fo[rward]", "fw"],
"Go forward in the browser history",
function (args) {
let url = args.literalArg;
if (args.bang)
history.goToEnd();
else {
if (url) {
let sh = history.session;
if (/^\d+(:|$)/.test(url) && sh.index + parseInt(url) in sh)
return void window.getWebNavigation().gotoIndex(sh.index + parseInt(url));
for (let [i, ent] in Iterator(sh.slice(sh.index + 1)))
if (ent.URI.spec == url)
return void window.getWebNavigation().gotoIndex(i);
liberator.echoerr("Exxx: URL not found in history");
}
else
history.stepTo(Math.max(args.count, 1));
}
return null;
},
{
argCount: "?",
bang: true,
completer: function completer(context) {
let sh = history.session;
context.anchored = false;
context.compare = CompletionContext.Sort.unsorted;
context.filters = [CompletionContext.Filter.textDescription];
context.completions = sh.slice(sh.index + 1);
context.keys = { text: function (item) (item.index - sh.index) + ": " + item.URI.spec, description: "title", icon: "icon" };
},
count: true,
literal: 0
});
commands.add(["hist[ory]", "hs"],
"Show recently visited URLs",
function (args) { history.list(args.join(" "), args.bang, args["-max"] || 1000); }, {
bang: true,
completer: function (context) { context.quote = null; completion.history(context); },
// completer: function (filter) completion.history(filter)
options: [[["-max", "-m"], commands.OPTION_INT]]
});
},
completion: function () {
completion.history = function _history(context, maxItems) {
context.format = history.format;
context.title = ["History"];
context.compare = CompletionContext.Sort.unsorted;
//context.background = true;
if (context.maxItems == null)
context.maxItems = 100;
context.regenerate = true;
context.generate = function () history.get(context.filter, this.maxItems);
};
completion.addUrlCompleter("h", "History", completion.history);
},
mappings: function () {
var myModes = config.browserModes;
mappings.add(myModes,
["<C-o>"], "Go to an older position in the jump list",
function (count) { history.stepTo(-Math.max(count, 1)); },
{ count: true });
mappings.add(myModes,
["<C-i>"], "Go to a newer position in the jump list",
function (count) { history.stepTo(Math.max(count, 1)); },
{ count: true });
mappings.add(myModes,
["H", "<A-Left>", "<M-Left>"], "Go back in the browser history",
function (count) { history.stepTo(-Math.max(count, 1)); },
{ count: true });
mappings.add(myModes,
["L", "<A-Right>", "<M-Right>"], "Go forward in the browser history",
function (count) { history.stepTo(Math.max(count, 1)); },
{ count: true });
}
});
// vim: set fdm=marker sw=4 ts=4 et:
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