btg.js

LINUX下

<!--
/*
 * btg Copyright (C) 2005 Michael Wojciechowski.
 * Web client written by Johan Str枚m.
 *
 * 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 2 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

/*
 * $Id: btg.js,v 1.1.4.17 2007/09/17 15:34:50 wojci Exp $
 */

/**************************************************
 * Global variables
 **************************************************/

/* This list contains all Status() objects presented in the context
 * table. Is used from updateContextTable 
*/

var contextList = new Array();

/* Indicates if we should autoupdate contexts */
var doAutoRefresh = 0;

/* If window is focused or blurred */
var isBlurred = 0;

/* Defines if there are no "custom" statusmessages show */
var isStatusIdle = 0;

/* Context data age, how many seconds since we last got an update of the contexts */
var contextsAge = 0;

/* Refresh timer */
var refreshTimeout = 20;

var timerHandle = null;

// Constant.
var noLimit     = -1;

// Constant.
var bytesPerKiB = 1024;

/**************************************************
 * Functions called from user interface in some 
 * way or another (either via user action or other
 * events).
 **************************************************/

/* sessionList, list existing sessions */
function sessionList()
{
	setStatus("Listing available sessions...");
	btg_sessionList(cb_sessionList, cb_sessionList_err);
}

/* auth, authorize  */
function auth()
{
    // !!!
    var username = encodeURIComponent(document.frm_auth.username.value);
    var password = encodeURIComponent(document.frm_auth.password.value);
    document.frm_auth.username.value = "";
    document.frm_auth.password.value = "";
    setStatus("Logging in " + username + "...");
    btg_auth(cb_auth, cb_auth_err, username, password);
}

/* deauth, deauthorize (logout) */
function deauth()
{
	setStatus("Logging out...");
	btg_deauth(cb_deauth, cb_deauth);
}

/* sessionAttach, attach to a existing session */
function sessionAttach()
{
	var id = document.frm_sessionlist.sessionlist.options[document.frm_sessionlist.sessionlist.selectedIndex].value;
	setStatus("Attaching to session " + id + "...");
	btg_sessionAttach(cb_sessionAttach, cb_sessionAttach_err, id);
}

/* sessionSetup, setup a new session */
function sessionSetup()
{
	var seedLimit = document.frm_sessionsetup.seedLimit.value;
	var seedTimeout = document.frm_sessionsetup.seedTimeout.value;

	if(seedLimit.length == 0)
		seedLimit = noLimit;
	if(seedTimeout.length == 0)
		seedTimeout = noLimit;
	else
		// User enters minutes...
		seedTimeout=seedTimeout*60;

	setStatus("Setting up new session...");
	btg_sessionSetup(cb_sessionSetup, cb_sessionSetup_err, seedLimit, seedTimeout);
}

/* sessionDetach, detach from the current session */
function sessionDetach()
{
	setStatus("Detaching from session...");
	btg_sessionDetach(cb_sessionDetach, cb_sessionDetach_err);
}

/* sessionQuit, quit the currently attached session */
function sessionQuit()
{
	if(!confirm("Are you realy sure you want to terminate this session and all torrents downloading in it?"))
		return;
	
	setStatus("Terminating session...");
	btg_sessionQuit(cb_sessionQuit, cb_sessionQuit_err);
}

function cleanAllContexts()
{
	setStatus("Cleaning session...");
	btg_cleanAll(cb_cleanAll, cb_cleanAll_err);
}

function showGlobalLimits()
{
	setUIState(4);
	setStatus("Setting global limits.");

	btg_globallimitstatus(cb_globallimitstatus, cb_globallimitstatus_err);
}

function cancelGlobalLimits()
{
	setStatus("Not setting global limits.");
	setUIState(3);
}

function setGlobalLimits()
{
	var eUl = document.getElementById('gupload');
	var eDl = document.getElementById('gdownload');
	var eMu = document.getElementById('gmaxuploads');
	var eMc = document.getElementById('gmaxconn');

	var ul, dl, mu, mc;

	if (eUl.value != "" && parseInt(eUl.value) > 0)	
	{
		ul = parseInt(eUl.value)*bytesPerKiB;
	}
	else 
	{
		ul = noLimit;
	}

	if(eDl.value != "" && parseInt(eDl.value) > 0)
	{
		dl = parseInt(eDl.value)*bytesPerKiB;
	}
	else
	{
		dl = noLimit;
	}

	if(eMu.value != "" && parseInt(eMu.value) > 0)
	{
		mu = parseInt(eMu.value);
	}
	else
	{
		mu = noLimit;
	}

	if(eMc.value != "" && parseInt(eMc.value) > 0)
	{
		mc = parseInt(eMc.value);
	}
	else
	{
		mc = noLimit;
	}

	// Set the limits:
	btg_globallimit(cb_globallimit, cb_globallimit_err, ul, dl, mu, mc);
}

/* contextStart, start a specific torrent */
function contextStop(id)
{
	setStatus("Stopping torrent...");
	btg_contextStop(cb_contextStop, cb_contextStop_err, id);
}

/* contextStop, stop a specific torrent */
function contextStart(id)
{
	setStatus("Starting torrent...");
	btg_contextStart(cb_contextStart, cb_contextStart_err, id);
}

/* contextAbort, remove a specific torrent */
function contextAbort(id)
{
	if(!confirm("Are you sure?"))
		return;

	var eraseData = 0;
	if(confirm("Do you want to remove the downloaded data from disk?"))
		eraseData = 1;

	setStatus("Deleting torrent...");
	btg_contextAbort(cb_contextAbort, cb_contextAbort_err, id, eraseData);
}

/* contextClean, clean/remove a specific torrent */
function contextClean(id)
{
	if(!confirm("Are you sure?"))
		return;
	setStatus("Moving torrent...");
	btg_contextClean(cb_contextClean, cb_contextClean_err, id);
}

/* contextPeers, get peer list for a torrent */
function contextPeers(id)
{
	setStatus("Getting peers list...");
	btg_contextPeers(cb_contextPeers, cb_contextPeers_err, id);
}

/* contextLimitStatus, get limits for a specific torrent (or a list of torrents, comma delimited) */
function contextLimitStatus(id)
{
	setStatus("Getting limit status...");
	btg_contextLimitStatus(cb_contextLimitStatus, cb_contextLimitStatus_err, id);
}

/* toogleContextDetails, toogles the details info for a specific torrent on/off */
function toogleContextDetails(id)
{
	var detailsRow= document.getElementById('context_'+id+'_details_row')
	var controlRow= document.getElementById('context_'+id+'_control_row')
	if(detailsRow.style.display == '')
	{
		detailsRow.style.display='none';
		controlRow.style.display='none';
	}
	else
	{
		detailsRow.style.display='';
		controlRow.style.display='';
	}
}

/* hideAllContextDetails, hides details info for all torrents */
function hideAllContextDetails()
{
	var table = document.getElementById('torrent_table');
	for(var x = 0; x < table.rows.length; x++)
	{
		var row = table.rows[x];
		if(row.id.match(/context_(\d+)_details_row/) || row.id.match(/context_(\d+)_control_row/))
			row.style.display='none';
	}
}

/* saveContextLimit, save limits for a specific context */
function saveContextLimit(id)
{
	var eUl = document.getElementById('txtUploadLimit_'+id);
	var eDl = document.getElementById('txtDownloadLimit_'+id);
	var eSl = document.getElementById('txtSeedLimit_'+id);
	var eSt = document.getElementById('txtSeedTimeout_'+id);

	var ul, dl, sl, st;
	if(eUl.value != "" && parseInt(eUl.value) > 0)	ul = parseInt(eUl.value)*bytesPerKiB;	else ul = noLimit;
	if(eDl.value != "" && parseInt(eDl.value) > 0)	dl = parseInt(eDl.value)*bytesPerKiB;	else dl = noLimit;
	if(eSl.value != "" && parseInt(eSl.value) > 0)	sl = parseInt(eSl.value);	else sl = noLimit;
	if(eSt.value != "" && parseInt(eSt.value) > 0)	st = parseInt(eSt.value)*60;	else st = noLimit;

	btg_contextLimit(cb_contextLimit, cb_contextLimit_err, id, ul, dl, sl, st, 0);
}

/* uploadCheck, called from upload form's onSubmit */
function uploadCheck()
{
	var file = document.getElementById('upload_input');
	if(file.value == '')
	{
		alert('Please select a file.');
		return false;
	}

	/* Make sure file ends with .torrent */
	if(!file.value.match(/\.torrent$/))
	{
		alert('Only .torrent files allowed.');
		return false;
	}

	/* Valid file */
	setStatus('Uploading torrent...');
	return true;
}

/* Init, called from BODYs onLoad */
function init(is_authed, session)
{
	/* Call our timer function (direct now but later once a second) */
	timerHandle = setTimeout(timer, 1);

	if(is_authed == 0)
	{
		setUIState(1);
		setStatus("Waiting for login.");
	}
	else if(session == -1)
	{
		/* Authed, but no session attached, display session list */
		sessionList();
		setUIState(2);
	}else
	{
		/* Authed and attached */
		setStatus("Loading context list...");
		doAutoRefresh = 1;
		refreshContextList();
		setUIState(3);
	}

	/* Everything should be loaded now, show main container */
	document.getElementById('container').style.display='block';
	
	/* Setup handlers so we dont run when we're not focused */
	window.onblur = function(){ isBlurred = true; };
	window.onfocus = function(){ isBlurred = false; timer(); };
}

/**
 * Updates the UI state.
 * @param state 	Value 0 indicates state not known/daemon dead, dont show any controls.
 *						Value 1 indicates not authed, show auth controls.
 *						Value 2 indicates authed but not attached to any session, show attach and create.
 *						Value 3 indicates attached, show context list etc.
 */
function setUIState(state)
{
	if(state == 0)
	// State unknown/daemon unrechable
	{
		document.getElementById('layer_sessions').style.display='none';
		document.getElementById('layer_auth').style.display='none';
		document.getElementById('attach_button').style.display='none';
		document.getElementById('setup_button').style.display='none';
		document.getElementById('quit_button').style.display='none';
		document.getElementById('refresh_button').style.display='none';
		document.getElementById('collapse_button').style.display='none';
		document.getElementById('cleanall_button').style.display='none';
		document.getElementById('layer_glimit').style.display='none';
		document.getElementById('glimit_button').style.display='none';
		document.getElementById('glimit_cancel_button').style.display='none';
		document.getElementById('glimit_set_button').style.display='none';
		document.getElementById('detach_button').style.display='none';
		document.getElementById('logout_button').style.display='none';
		document.getElementById('upload').style.display='none';
		document.getElementById('layer_contexts').style.display='none';
		document.getElementById('status_download').style.display='none';
		document.getElementById('status_upload').style.display='none';
		doAutoRefresh = 0;
	}
	else if(state == 1)
	// Not authorized, show authorize controls.
	{
		document.getElementById('layer_auth').style.display='block';
		document.getElementById('layer_sessions').style.display='none';
		document.getElementById('attach_button').style.display='none';
		document.getElementById('setup_button').style.display='none';
		document.getElementById('quit_button').style.display='none';
		document.getElementById('refresh_button').style.display='none';
		document.getElementById('collapse_button').style.display='none';
		document.getElementById('cleanall_button').style.display='none';
		document.getElementById('layer_glimit').style.display='none';
		document.getElementById('glimit_button').style.display='none';
		document.getElementById('glimit_cancel_button').style.display='none';
		document.getElementById('glimit_set_button').style.display='none';
		document.getElementById('detach_button').style.display='none';
		document.getElementById('logout_button').style.display='none';
		document.getElementById('upload').style.display='none';
		document.getElementById('layer_contexts').style.display='none';
		document.getElementById('status_download').style.display='none';
		document.getElementById('status_upload').style.display='none';
		doAutoRefresh = 0;
	}
	else if(state == 2)
	// Authorized, not attached to any session. Show attach and setup controls.
	{
		document.getElementById('layer_auth').style.display='none';
		document.getElementById('quit_button').style.display='none';
		document.getElementById('refresh_button').style.display='none';
		document.getElementById('collapse_button').style.display='none';
		document.getElementById('cleanall_button').style.display='none';
		document.getElementById('layer_glimit').style.display='none';
		document.getElementById('glimit_button').style.display='none';
		document.getElementById('glimit_cancel_button').style.display='none';
		document.getElementById('glimit_set_button').style.display='none';
		document.getElementById('detach_button').style.display='none';
		document.getElementById('upload').style.display='none';
		document.getElementById('layer_contexts').style.display='none';
		document.getElementById('status_download').style.display='none';
		document.getElementById('status_upload').style.display='none';

		document.getElementById('layer_sessions').style.display='block';
		document.getElementById('attach_button').style.display='inline';
		document.getElementById('setup_button').style.display='inline';
		document.getElementById('logout_button').style.display='inline';
		doAutoRefresh = 0;
	}
	else if(state == 3)
	// Authorized, attached to a session. Show context list and controls. 
	{
		document.getElementById('layer_sessions').style.display='none';
		document.getElementById('attach_button').style.display='none';
		document.getElementById('setup_button').style.display='none';
		document.getElementById('refresh_button').style.display='block';
		document.getElementById('quit_button').style.display='inline';
		document.getElementById('collapse_button').style.display='inline';
		document.getElementById('cleanall_button').style.display='inline';
		document.getElementById('layer_glimit').style.display='none';
		document.getElementById('glimit_button').style.display='inline';
		document.getElementById('glimit_cancel_button').style.display='none';
		document.getElementById('glimit_set_button').style.display='none';
		document.getElementById('detach_button').style.display='inline';
		document.getElementById('logout_button').style.display='inline';
		document.getElementById('upload').style.display='block';
		document.getElementById('layer_contexts').style.display='block';
		document.getElementById('status_download').style.display='inline';
		document.getElementById('status_upload').style.display='inline';
		doAutoRefresh = 1;
	}
	else if(state == 4)
	// Authorized, Set global limits.
	{
		// !!!
		document.getElementById('layer_sessions').style.display='none';
		document.getElementById('attach_button').style.display='none';
		document.getElementById('setup_button').style.display='none';
		document.getElementById('refresh_button').style.display='none';
		document.getElementById('quit_button').style.display='inline';
		document.getElementById('collapse_button').style.display='none';
		document.getElementById('cleanall_button').style.display='none';
		document.getElementById('layer_glimit').style.display='block';
		document.getElementById('glimit_button').style.display='none';
		document.getElementById('glimit_cancel_button').style.display='inline';
		document.getElementById('glimit_set_button').style.display='inline';
		document.getElementById('detach_button').style.display='inline';
		document.getElementById('logout_button').style.display='inline';
		document.getElementById('upload').style.display='none';
		document.getElementById('layer_contexts').style.display='none';
		document.getElementById('status_download').style.display='none';
		document.getElementById('status_upload').style.display='none';
		doAutoRefresh = 0;