michael@0: // target for window.open()
michael@0: const KID_URL       = "child-window.html";
michael@0: 
michael@0: // formats final results
michael@0: const SERVER_URL    = "http://jrgm.mcom.com/cgi-bin/window-open-2.0/openreport.pl";
michael@0: 
michael@0: // let system settle between each window.open
michael@0: const OPENER_DELAY  = 1000;   
michael@0: 
michael@0: // three phases: single open/close; overlapped open/close; open-all/close-all
michael@0: var PHASE_ONE     = 10; 
michael@0: var PHASE_TWO     = 0; 
michael@0: var PHASE_THREE   = 0; 
michael@0: 
michael@0: // keep this many windows concurrently open during overlapped phase
michael@0: var OVERLAP_COUNT = 3;
michael@0: 
michael@0: // repeat three phases CYCLES times    
michael@0: var CYCLES        = 1;  
michael@0: 
michael@0: // autoclose flag
michael@0: var AUTOCLOSE = 1;
michael@0: 
michael@0: // Chrome url for child windows.
michael@0: var KID_CHROME   = null;
michael@0: var SAVED_CHROME = null;
michael@0: 
michael@0: // URL options and correspnding vars.
michael@0: const options = [ [ "phase1", "PHASE_ONE", false ],
michael@0:                   [ "phase2", "PHASE_TWO", false ],
michael@0:                   [ "phase3", "PHASE_THREE", false ],
michael@0:                   [ "overlap", "OVERLAP_COUNT", false ],
michael@0:                   [ "cycles", "CYCLES", false ],
michael@0:                   [ "chrome", "KID_CHROME", true ],
michael@0:                   [ "close", "AUTOCLOSE", false ] ];
michael@0: 
michael@0: // Note: You can attach search options to the url for this file to control
michael@0: // any of the options in the array above.  E.g., specifying
michael@0: // mozilla -chrome "file:///D|/mozilla/xpfe/test/winopen.xul?phase1=16&close=0"
michael@0: // will run this script with PHASE_ONE=16 and AUTOCLOSE=0.
michael@0: //
michael@0: // On Win32, you must enclose the -chrome option in quotes in order pass funny Win32 shell
michael@0: // characters such as '&' or '|'!
michael@0: 
michael@0: var opts = window.location.search.substring(1).split( '&' );
michael@0: for ( opt in opts ) {
michael@0:     for ( var i in options ) {
michael@0:         if ( opts[opt].indexOf( options[i][0]+"=" ) == 0 ) {
michael@0:             var newVal = opts[opt].split( '=' )[ 1 ];
michael@0:             // wrap with quotes, if required.
michael@0:             if ( options[i][2] ) {
michael@0:                 newVal = '"' + newVal + '"';
michael@0:             }
michael@0:             eval( options[i][1] + "=" + newVal + ";" );
michael@0:         }
michael@0:     }
michael@0: }
michael@0: 
michael@0: var prefs = null;
michael@0: 
michael@0: if ( KID_CHROME ) {
michael@0:     // Reset browser.chromeURL so it points to KID_CHROME.
michael@0:     // This will cause window.open in openWindow to open that chrome.
michael@0:     netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
michael@0:     prefs = Components.classes["@mozilla.org/preferences-service;1"]
michael@0:               .getService( Components.interfaces.nsIPrefBranch );
michael@0:     SAVED_CHROME = prefs.getCharPref( "browser.chromeURL" );
michael@0:     prefs.setCharPref( "browser.chromeURL", KID_CHROME );
michael@0: }
michael@0: 
michael@0: const CYCLE_SIZE    = PHASE_ONE + PHASE_TWO + PHASE_THREE;
michael@0: const MAX_INDEX     = CYCLE_SIZE * CYCLES;  // total number of windows to open
michael@0: 
michael@0: var windowList      = [];   // handles to opened windows
michael@0: var startingTimes   = [];   // time that window.open is called
michael@0: var openingTimes    = [];   // time that child window took to fire onload
michael@0: var closingTimes    = [];   // collect stats for case of closing >1 windows
michael@0: var currentIndex    = 0;       
michael@0: 
michael@0: 
michael@0: function childIsOpen(aTime) {
michael@0:     openingTimes[currentIndex] = aTime - startingTimes[currentIndex];
michael@0:     updateDisplay(currentIndex, openingTimes[currentIndex]);
michael@0:     reapWindows(currentIndex);
michael@0:     currentIndex++;
michael@0:     if (currentIndex < MAX_INDEX)
michael@0:         scheduleNextWindow();
michael@0:     else
michael@0:         window.setTimeout(reportResults, OPENER_DELAY);
michael@0: }
michael@0: 
michael@0: 
michael@0: function updateDisplay(index, time) {
michael@0:     var formIndex = document.getElementById("formIndex");
michael@0:     if (formIndex) 
michael@0:         formIndex.setAttribute("value", index+1);
michael@0:     var formTime  = document.getElementById("formTime");
michael@0:     if (formTime) 
michael@0:         formTime.setAttribute("value", time);
michael@0: }
michael@0: 
michael@0: 
michael@0: function scheduleNextWindow() {
michael@0:     window.setTimeout(openWindow, OPENER_DELAY);
michael@0: }
michael@0: 
michael@0: 
michael@0: function closeOneWindow(aIndex) {
michael@0:     var win = windowList[aIndex];
michael@0:     // no-op if window is already closed
michael@0:     if (win && !win.closed) {
michael@0: 	win.close();
michael@0: 	windowList[aIndex] = null;
michael@0:     }
michael@0: }    
michael@0: 
michael@0: 
michael@0: function closeAllWindows(aRecordTimeToClose) {
michael@0:     var timeToClose = (new Date()).getTime();
michael@0:     var count = 0;
michael@0:     for (var i = 0; i < windowList.length; i++) {
michael@0: 	if (windowList[i])
michael@0: 	    count++;
michael@0: 	closeOneWindow(i);
michael@0:     }
michael@0:     if (aRecordTimeToClose && count > 0) {
michael@0:         timeToClose = (new Date()).getTime() - timeToClose;
michael@0:         closingTimes.push(parseInt(timeToClose/count));
michael@0:     }
michael@0: }    
michael@0: 
michael@0: 
michael@0: // close some, none, or all open windows in the list
michael@0: function reapWindows() {
michael@0:     var modIndex = currentIndex % CYCLE_SIZE;
michael@0:     if (modIndex < PHASE_ONE-1) {
michael@0: 	// first phase in each "cycle", are single open/close sequences
michael@0: 	closeOneWindow(currentIndex);
michael@0:     } 
michael@0:     else if (PHASE_ONE-1 <= modIndex && modIndex < PHASE_ONE+PHASE_TWO-1) {
michael@0: 	// next phase in each "cycle", keep N windows concurrently open
michael@0: 	closeOneWindow(currentIndex - OVERLAP_COUNT);
michael@0:     }
michael@0:     else if (modIndex == PHASE_ONE+PHASE_TWO-1) {
michael@0: 	// end overlapping windows cycle; close all windows
michael@0: 	closeAllWindows(false);
michael@0:     }
michael@0:     else if (PHASE_ONE+PHASE_TWO <= modIndex && modIndex < CYCLE_SIZE-1) {
michael@0: 	// do nothing; keep adding windows
michael@0:     }
michael@0:     else if (modIndex == CYCLE_SIZE-1) {
michael@0: 	// end open-all/close-all phase; close windows, recording time to close
michael@0: 	closeAllWindows(true);
michael@0:     }
michael@0: }
michael@0: 
michael@0: function calcMedian( numbers ) {
michael@0:     if ( numbers.length == 0 ) {
michael@0:         return 0;
michael@0:     } else if ( numbers.length == 1 ) {
michael@0:         return numbers[0];
michael@0:     } else if ( numbers.length == 2 ) {
michael@0:         return ( numbers[0] + numbers[1] ) / 2;
michael@0:     } else {
michael@0:         numbers.sort( function (a,b){ return a-b; } );
michael@0:         var n = Math.floor( numbers.length / 2 );
michael@0:         return numbers.length % 2 ? numbers[n] : ( numbers[n-1] + numbers[n] ) / 2;
michael@0:     }
michael@0: }
michael@0: 
michael@0: function reportResults() {
michael@0:     //XXX need to create a client-side method to do this?
michael@0:     var opening = openingTimes.join(':'); // times for each window open
michael@0:     var closing = closingTimes.join(':'); // these are for >1 url, as a group
michael@0:     //var ua = escape(navigator.userAgent).replace(/\+/g, "%2B"); // + == ' ', on servers
michael@0:     //var reportURL = SERVER_URL + 
michael@0:     //    "?opening="    + opening + 
michael@0:     //    "&closing="    + closing + 
michael@0:     //    "&maxIndex="   + MAX_INDEX + 
michael@0:     //    "&cycleSize="  + CYCLE_SIZE + 
michael@0: 	//"&ua="         + ua;
michael@0:     //window.open(reportURL, "test-results");
michael@0:     var avgOpenTime = 0;
michael@0:     var minOpenTime = 99999;
michael@0:     var maxOpenTime = 0;
michael@0:     var medOpenTime = calcMedian( openingTimes.slice(1) );
michael@0:     // ignore first open
michael@0:     for (i = 1; i < MAX_INDEX; i++) {
michael@0:         avgOpenTime += openingTimes[i];
michael@0:         if ( minOpenTime > openingTimes[i] ) {
michael@0:             minOpenTime = openingTimes[i];
michael@0:         }
michael@0:         if ( maxOpenTime < openingTimes[i] ) {
michael@0:             maxOpenTime = openingTimes[i];
michael@0:         }
michael@0:     }
michael@0:     avgOpenTime = Math.round(avgOpenTime / (MAX_INDEX - 1));
michael@0:     dump("openingTimes="+openingTimes.slice(1)+"\n");
michael@0:     dump("avgOpenTime:" + avgOpenTime + "\n" );
michael@0:     dump("minOpenTime:" + minOpenTime + "\n" );
michael@0:     dump("maxOpenTime:" + maxOpenTime + "\n" );
michael@0:     dump("medOpenTime:" + medOpenTime + "\n" );
michael@0:     dump("__xulWinOpenTime:" + medOpenTime + "\n");
michael@0:     // Close the root window, if required.
michael@0:     if ( AUTOCLOSE ) {
michael@0:         window.close();
michael@0:     } else {
michael@0:         document.getElementById("formTimes").value = openingTimes.slice(1);
michael@0:         document.getElementById("formAvg").value   = avgOpenTime;
michael@0:         document.getElementById("formMin").value   = minOpenTime;
michael@0:         document.getElementById("formMax").value   = maxOpenTime;
michael@0:         document.getElementById("formMed").value   = medOpenTime;
michael@0:         document.getElementById("formAgain").setAttribute( "disabled", "false" );
michael@0:     }
michael@0: }
michael@0: 
michael@0: function tryAgain() {
michael@0:     document.getElementById("formAgain").setAttribute( "disabled", "true" );
michael@0:     windowList      = [];
michael@0:     startingTimes   = [];
michael@0:     openingTimes    = [];
michael@0:     closingTimes    = [];
michael@0:     currentIndex    = 0;       
michael@0:     openWindow();
michael@0: }
michael@0: 
michael@0: function restoreChromeURL() {
michael@0:     // Restore browser.chromeURL pref.
michael@0:     if ( KID_CHROME && SAVED_CHROME.length ) {
michael@0:         netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
michael@0:         prefs.setCharPref( "browser.chromeURL", SAVED_CHROME );
michael@0:     }
michael@0: }
michael@0: 
michael@0: function openWindow() {
michael@0:     startingTimes[currentIndex] = (new Date()).getTime();
michael@0:     var path   = window.location.pathname.substring( 0, window.location.pathname.lastIndexOf('/') );
michael@0:     var url    = window.location.protocol + "//" + 
michael@0:                  window.location.hostname + path + "/" +
michael@0:                  KID_URL;
michael@0:     windowList[currentIndex] = window.open(url, currentIndex);
michael@0: }
michael@0: 
michael@0: