transmission/web/javascript/common.js

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JavaScript
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/**
* Copyright © Dave Perrett, Malcolm Jarvis and Artem Vorotnikov
*
* This file is licensed under the GPLv2.
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
var transmission,
dialog,
isMobileDevice = RegExp("(iPhone|iPod|Android)").test(navigator.userAgent),
scroll_timeout;
// http://forum.jquery.com/topic/combining-ui-dialog-and-tabs
$.fn.tabbedDialog = function (dialog_opts) {
this.tabs({
selected: 0
});
this.dialog(dialog_opts);
this.find('.ui-tab-dialog-close').append(this.parent().find('.ui-dialog-titlebar-close'));
this.find('.ui-tab-dialog-close').css({
'position': 'absolute',
'right': '0',
'top': '16px'
});
this.find('.ui-tab-dialog-close > a').css({
'float': 'none',
'padding': '0'
});
var tabul = this.find('ul:first');
this.parent().addClass('ui-tabs').prepend(tabul).draggable('option', 'handle', tabul);
this.siblings('.ui-dialog-titlebar').remove();
tabul.addClass('ui-dialog-titlebar');
}
/**
* Checks to see if the content actually changed before poking the DOM.
*/
function setInnerHTML(e, html) {
if (!e) {
return;
};
/* innerHTML is listed as a string, but the browser seems to change it.
* For example, "∞" gets changed to "∞" somewhere down the line.
* So, let's use an arbitrary different field to test our state... */
if (e.currentHTML != html) {
e.currentHTML = html;
e.innerHTML = html;
};
};
function sanitizeText(text) {
return text.replace(/</g, "&lt;").replace(/>/g, "&gt;");
};
/**
* Many of our text changes are triggered by periodic refreshes
* on torrents whose state hasn't changed since the last update,
* so see if the text actually changed before poking the DOM.
*/
function setTextContent(e, text) {
if (e && (e.textContent != text)) {
e.textContent = text;
};
};
/*
* Given a numerator and denominator, return a ratio string
*/
Math.ratio = function (numerator, denominator) {
var result = Math.floor(100 * numerator / denominator) / 100;
// check for special cases
if (result == Number.POSITIVE_INFINITY || result == Number.NEGATIVE_INFINITY) {
result = -2;
} else if (isNaN(result)) {
result = -1;
};
return result;
};
/**
* Round a string of a number to a specified number of decimal places
*/
Number.prototype.toTruncFixed = function (place) {
var ret = Math.floor(this * Math.pow(10, place)) / Math.pow(10, place);
return ret.toFixed(place);
};
Number.prototype.toStringWithCommas = function () {
return this.toString().replace(/\B(?=(?:\d{3})+(?!\d))/g, ",");
};
/*
* Trim whitespace from a string
*/
String.prototype.trim = function () {
return this.replace(/^\s*/, "").replace(/\s*$/, "");
};
/***
**** Preferences
***/
function Prefs() {};
Prefs.prototype = {};
Prefs._RefreshRate = 'refresh_rate';
Prefs._FilterMode = 'filter';
Prefs._FilterAll = 'all';
Prefs._FilterActive = 'active';
Prefs._FilterSeeding = 'seeding';
Prefs._FilterDownloading = 'downloading';
Prefs._FilterPaused = 'paused';
Prefs._FilterFinished = 'finished';
Prefs._SortDirection = 'sort_direction';
Prefs._SortAscending = 'ascending';
Prefs._SortDescending = 'descending';
Prefs._SortMethod = 'sort_method';
Prefs._SortByAge = 'age';
Prefs._SortByActivity = 'activity';
Prefs._SortByName = 'name';
Prefs._SortByQueue = 'queue_order';
Prefs._SortBySize = 'size';
Prefs._SortByProgress = 'percent_completed';
Prefs._SortByRatio = 'ratio';
Prefs._SortByState = 'state';
Prefs._CompactDisplayState = 'compact_display_state';
Prefs._Defaults = {
'filter': 'all',
'refresh_rate': 5,
'sort_direction': 'ascending',
'sort_method': 'name',
'turtle-state': false,
'compact_display_state': false
};
/*
* Set a preference option
*/
Prefs.setValue = function (key, val) {
if (!(key in Prefs._Defaults)) {
console.warn("unrecognized preference key '%s'", key);
};
var date = new Date();
date.setFullYear(date.getFullYear() + 1);
document.cookie = key + "=" + val + "; expires=" + date.toGMTString() + "; path=/";
};
/**
* Get a preference option
*
* @param key the preference's key
* @param fallback if the option isn't set, return this instead
*/
Prefs.getValue = function (key, fallback) {
var val;
if (!(key in Prefs._Defaults)) {
console.warn("unrecognized preference key '%s'", key);
};
var lines = document.cookie.split(';');
for (var i = 0, len = lines.length; !val && i < len; ++i) {
var line = lines[i].trim();
var delim = line.indexOf('=');
if ((delim === key.length) && line.indexOf(key) === 0) {
val = line.substring(delim + 1);
};
};
// FIXME: we support strings and booleans... add number support too?
if (!val) {
val = fallback;
} else if (val === 'true') {
val = true;
} else if (val === 'false') {
val = false;
};
return val;
};
/**
* Get an object with all the Clutch preferences set
*
* @pararm o object to be populated (optional)
*/
Prefs.getClutchPrefs = function (o) {
if (!o) {
o = {};
};
for (var key in Prefs._Defaults) {
o[key] = Prefs.getValue(key, Prefs._Defaults[key]);
};
return o;
};
// forceNumeric() plug-in implementation
jQuery.fn.forceNumeric = function () {
return this.each(function () {
$(this).keydown(function (e) {
var key = e.which || e.keyCode;
return !e.shiftKey && !e.altKey && !e.ctrlKey &&
// numbers
key >= 48 && key <= 57 ||
// Numeric keypad
key >= 96 && key <= 105 ||
// comma, period and minus, . on keypad
key === 190 || key === 188 || key === 109 || key === 110 ||
// Backspace and Tab and Enter
key === 8 || key === 9 || key === 13 ||
// Home and End
key === 35 || key === 36 ||
// left and right arrows
key === 37 || key === 39 ||
// Del and Ins
key === 46 || key === 45;
});
});
}
/**
* http://blog.stevenlevithan.com/archives/parseuri
*
* parseUri 1.2.2
* (c) Steven Levithan <stevenlevithan.com>
* MIT License
*/
function parseUri(str) {
var o = parseUri.options;
var m = o.parser[o.strictMode ? "strict" : "loose"].exec(str);
var uri = {};
var i = 14;
while (i--) {
uri[o.key[i]] = m[i] || "";
};
uri[o.q.name] = {};
uri[o.key[12]].replace(o.q.parser, function ($0, $1, $2) {
if ($1) {
uri[o.q.name][$1] = $2;
};
});
return uri;
};
parseUri.options = {
strictMode: false,
key: ["source", "protocol", "authority", "userInfo", "user", "password", "host", "port", "relative", "path", "directory", "file", "query", "anchor"],
q: {
name: "queryKey",
parser: /(?:^|&)([^&=]*)=?([^&]*)/g
},
parser: {
strict: /^(?:([^:\/?#]+):)?(?:\/\/((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?))?((((?:[^?#\/]*\/)*)([^?#]*))(?:\?([^#]*))?(?:#(.*))?)/,
loose: /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/
}
};