301 lines
8.5 KiB
JavaScript
301 lines
8.5 KiB
JavaScript
/*
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* Copyright © Dave Perrett and Malcolm Jarvis
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* This code is licensed under the GPL version 2.
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* For more details, see http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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*
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* Common javascript
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*/
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var transmission;
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var dialog;
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// Test for a Webkit build that supports box-shadow: 521+ (release Safari 3 is
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// actually 523.10.3). We need 3.1 for CSS animation (dialog sheets) but as it
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// degrades gracefully let's not worry too much.
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var Safari3 = testSafari3();
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var iPhone = RegExp("(iPhone|iPod)").test(navigator.userAgent);
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if (iPhone) var scroll_timeout;
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function testSafari3()
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{
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var minimum = new Array(521,0);
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var webKitFields = RegExp("( AppleWebKit/)([^ ]+)").exec(navigator.userAgent);
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if (!webKitFields || webKitFields.length < 3) return false;
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var version = webKitFields[2].split(".");
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for (var i = 0; i < minimum.length; i++) {
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var toInt = parseInt(version[i]);
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var versionField = isNaN(toInt) ? 0 : toInt;
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var minimumField = minimum[i];
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if (versionField > minimumField) return true;
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if (versionField < minimumField) return false;
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}
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return true;
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};
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$(document).ready( function() {
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// Initialise the dialog controller
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dialog = new Dialog();
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// Initialise the main Transmission controller
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transmission = new Transmission();
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// IE specific fixes here
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if ($.browser.msie) {
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try {
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document.execCommand("BackgroundImageCache", false, true);
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} catch(err) {}
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$('.dialog_container').css('height',$(window).height()+'px');
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}
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if ($.browser.safari) {
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// Move search field's margin down for the styled input
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$('#torrent_search').css('margin-top', 3);
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}
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if (!Safari3 && !iPhone) {
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// Fix for non-Safari-3 browsers: dark borders to replace shadows.
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// Opera messes up the menu if we use a border on .trans_menu
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// div.outerbox so use ul instead
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$('.trans_menu ul, div#jqContextMenu, div.dialog_container div.dialog_window').css('border', '1px solid #777');
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// and this kills the border we used to have
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$('.trans_menu div.outerbox').css('border', 'none');
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} else if (!iPhone) {
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// Used for Safari 3.1 CSS animation. Degrades gracefully (so Safari 3
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// test is good enough) but we delay our hide/unhide to wait for the
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// scrolling - no point making other browsers wait.
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$('div#upload_container div.dialog_window').css('top', '-205px');
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$('div#prefs_container div.dialog_window').css('top', '-425px');
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$('div#dialog_container div.dialog_window').css('top', '-425px');
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$('div.dialog_container div.dialog_window').css('-webkit-transition', 'top 0.3s');
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// -webkit-appearance makes some links into buttons, but needs
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// different padding.
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$('div.dialog_container div.dialog_window a').css('padding', '2px 10px 3px');
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}
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if (iPhone){
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window.onload = function(){ setTimeout(function() { window.scrollTo(0,1); },500); };
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window.onorientationchange = function(){ setTimeout( function() { window.scrollTo(0,1); },100); };
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if(window.navigator.standalone)
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// Fix min height for iPhone when run in full screen mode from home screen
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// so the footer appears in the right place
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$('body div#torrent_container').css('min-height', '338px');
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$("label[for=torrent_upload_url]").text("URL: ");
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}
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});
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/*
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* Return a copy of the array
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*
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* @returns array
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*/
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Array.prototype.clone = function () {
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return this.concat();
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};
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/**
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* "innerHTML = html" is pretty slow in FF. Happily a lot of our innerHTML
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* changes are triggered by periodic refreshes on torrents whose state hasn't
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* changed since the last update, so even this simple test helps a lot.
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*/
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function setInnerHTML( e, html )
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{
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/* innerHTML is listed as a string, but the browser seems to change it.
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* For example, "∞" gets changed to "∞" somewhere down the line.
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* So, let's use an arbitrary different field to test our state... */
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if( e.currentHTML != html )
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{
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e.currentHTML = html;
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e.innerHTML = html;
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}
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};
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/*
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* Round a float to a specified number of decimal
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* places, stripping trailing zeroes
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*
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* @param float floatnum
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* @param integer precision
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* @returns float
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*/
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Math.roundWithPrecision = function(floatnum, precision) {
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return Math.round( floatnum * Math.pow ( 10, precision ) ) / Math.pow( 10, precision );
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};
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/*
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* Given a numerator and denominator, return a ratio string
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*/
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Math.ratio = function( numerator, denominator ) {
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var result = Math.floor(100 * numerator / denominator) / 100;
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// check for special cases
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if(result==Number.POSITIVE_INFINITY || result==Number.NEGATIVE_INFINITY) result = -2;
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else if(isNaN(result)) result = -1;
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return result;
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};
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/*
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* Truncate a float to a specified number of decimal
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* places, stripping trailing zeroes
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*
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* @param float floatnum
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* @param integer precision
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* @returns float
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*/
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Math.truncateWithPrecision = function(floatnum, precision) {
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return Math.floor( floatnum * Math.pow ( 10, precision ) ) / Math.pow( 10, precision );
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};
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/*
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* Round a string of a number to a specified number of decimal
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* places
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*/
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Number.prototype.toTruncFixed = function( place ) {
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var ret = Math.truncateWithPrecision( this, place );
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return ret.toFixed( place );
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}
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/*
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* Trim whitespace from a string
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*/
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String.prototype.trim = function () {
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return this.replace(/^\s*/, "").replace(/\s*$/, "");
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}
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/**
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* @brief strcmp()-style compare useful for sorting
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*/
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String.prototype.compareTo = function( that ) {
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// FIXME: how to fold these two comparisons together?
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if( this < that ) return -1;
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if( this > that ) return 1;
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return 0;
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}
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/**
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* @brief Switch between different dialog tabs
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*/
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function changeTab(tab, id) {
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for ( var x = 0, node; tab.parentNode.childNodes[x]; x++ ) {
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node = tab.parentNode.childNodes[x];
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if (node == tab) {
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node.className = "prefs_tab_enabled";
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} else {
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node.className = "prefs_tab_disabled";
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}
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}
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for ( x = 0; tab.parentNode.parentNode.childNodes[x]; x++ ) {
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node = tab.parentNode.parentNode.childNodes[x];
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if (node.tagName == "DIV") {
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if (node.id == id) {
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node.style.display = "block";
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} else {
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node.style.display = "none";
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}
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}
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}
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}
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/***
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**** Preferences
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***/
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function Prefs() { }
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Prefs.prototype = { };
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Prefs._RefreshRate = 'refresh_rate';
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Prefs._SessionRefreshRate = 'session_refresh_rate';
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Prefs._ShowFilter = 'show_filter';
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Prefs._ShowInspector = 'show_inspector';
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Prefs._FilterMode = 'filter';
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Prefs._FilterAll = 'all';
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Prefs._FilterActive = 'active';
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Prefs._FilterSeeding = 'seeding';
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Prefs._FilterDownloading = 'downloading';
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Prefs._FilterPaused = 'paused';
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Prefs._SortDirection = 'sort_direction';
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Prefs._SortAscending = 'ascending';
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Prefs._SortDescending = 'descending';
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Prefs._SortMethod = 'sort_method';
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Prefs._SortByAge = 'age';
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Prefs._SortByActivity = 'activity';
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Prefs._SortByQueue = 'queue_order';
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Prefs._SortByName = 'name';
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Prefs._SortByProgress = 'percent_completed';
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Prefs._SortByState = 'state';
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Prefs._SortByTracker = 'tracker';
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Prefs._TurtleState = 'turtle-state';
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Prefs._CompactDisplayState= 'compact_display_state';
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Prefs._Defaults =
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{
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'filter': 'all',
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'refresh_rate' : 5,
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'show_filter': true,
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'show_inspector': false,
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'sort_direction': 'ascending',
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'sort_method': 'name',
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'turtle-state' : false,
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'compact_display_state' : false
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};
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/*
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* Set a preference option
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*/
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Prefs.setValue = function( key, val )
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{
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if( Prefs._Defaults[key] == undefined )
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console.warn( "unrecognized preference key '%s'", key );
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var days = 30;
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var date = new Date();
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date.setTime(date.getTime()+(days*24*60*60*1000));
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document.cookie = key+"="+val+"; expires="+date.toGMTString()+"; path=/";
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};
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/**
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* Get a preference option
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*
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* @param key the preference's key
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* @param fallback if the option isn't set, return this instead
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*/
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Prefs.getValue = function( key, fallback )
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{
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var val;
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if( Prefs._Defaults[key] == undefined )
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console.warn( "unrecognized preference key '%s'", key );
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var lines = document.cookie.split( ';' );
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for( var i=0, len=lines.length; !val && i<len; ++i ) {
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var line = lines[i].trim( );
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var delim = line.indexOf( '=' );
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if( ( delim == key.length ) && line.indexOf( key ) == 0 )
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val = line.substring( delim + 1 );
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}
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// FIXME: we support strings and booleans... add number support too?
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if( !val ) val = fallback;
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else if( val == 'true' ) val = true;
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else if( val == 'false' ) val = false;
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return val;
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};
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/**
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* Get an object with all the Clutch preferences set
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*
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* @pararm o object to be populated (optional)
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*/
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Prefs.getClutchPrefs = function( o )
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{
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if( !o )
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o = { };
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for( var key in Prefs._Defaults )
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o[key] = Prefs.getValue( key, Prefs._Defaults[key] );
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return o;
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};
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