/usr/share/dwb/extensions/unique_tabs is in dwb 20140702hg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright (c) 2013 Stefan Bolte <portix@gmx.net>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
//
/*<INFO
Remove duplicate tabs or avoid duplicate tabs by autoswitching to tabs with same url
INFO>*/
var defaultConfig = {
//<DEFAULT_CONFIG
// Shortcut that removes duplicate tabs
shortcutRemoveDuplicates : null,
// Command that removes duplicate tabs
commandRemoveDuplicates : "ut_remove_duplicates",
// Autofocus a tab if an url is already opened, if the url would be loaded in a
// new tab the new tab is closed.
// Setting this to true makes commandRemoveDuplicates and
// shortcutRemoveDuplicates obsolete because there will be no duplicates.
autoFocus : true,
// Shortcut for toggling autofocus
shortcutToggleAutoFocus : null,
// Command for toggling autofocus
commandToggleAutoFocus : "ut_toggle_autofocus",
//>DEFAULT_CONFIG
};
function removeDuplicates()
{
var uris = [];
tabs.forEach(function(tab) {
var uri = tab.uri;
if (uris.indexOf(uri) == -1)
uris.push(uri);
else
execute((i+1) + "close_tab");
});
};
function onNavigation(wv, frame, request) {
var uri = request.uri;
return tabs.some(function(tab, i) {
if (tab.uri == uri && i != wv.number) {
/* defer execute, otherwise some other navigation callbacks will
* fail */
timer.start(10, function() {
execute((i+1) + "focus_tab");
if (/^\s*$/.test(wv.uri))
execute((wv.number + 1) + "close");
return false;
});
return true;
}
return false;
});
};
function toggleAutoFocus() {
if (signal.toggle())
io.notify("unique_tabs: autofocus enabled");
else
io.notify("unique_tabs: autofocus disabled");
};
var uniqueTabs = {
defaultConfig : defaultConfig,
init : function(c) {
if (c.shortcutRemoveDuplicates || c.commandRemoveDuplicates)
{
script.own(bind(c.shortcutRemoveDuplicates, removeDuplicates, c.commandRemoveDuplicates));
}
if (c.shortcutToggleAutoFocus || c.commandToggleAutoFocus)
{
script.own(bind(c.shortcutToggleAutoFocus, toggleAutoFocus, c.commandToggleAutoFocus));
}
var signal = new Signal("navigation", onNavigation);
if (c.autoFocus)
signal.connect();
script.own(signal);
return true;
},
end : function() {
script.removeHandles();
return true;
}
};
return uniqueTabs;
// vim:set ft=javascript:
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