michael@0: // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0: 
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: // dialog is just an array we'll use to store various properties from the dialog document...
michael@0: var dialog;
michael@0: 
michael@0: // the printProgress is a nsIPrintProgress object
michael@0: var printProgress = null; 
michael@0: 
michael@0: // random global variables...
michael@0: var targetFile;
michael@0: 
michael@0: var docTitle = "";
michael@0: var docURL   = "";
michael@0: var progressParams = null;
michael@0: var switchUI = true;
michael@0: 
michael@0: function ellipseString(aStr, doFront)
michael@0: {
michael@0:   if (aStr.length > 3 && (aStr.substr(0, 3) == "..." || aStr.substr(aStr.length-4, 3) == "...")) {
michael@0:     return aStr;
michael@0:   }
michael@0: 
michael@0:   var fixedLen = 64;
michael@0:   if (aStr.length > fixedLen) {
michael@0:     if (doFront) {
michael@0:       var endStr = aStr.substr(aStr.length-fixedLen, fixedLen);
michael@0:       var str = "..." + endStr;
michael@0:       return str;
michael@0:     } else {
michael@0:       var frontStr = aStr.substr(0, fixedLen);
michael@0:       var str = frontStr + "...";
michael@0:       return str;
michael@0:     }
michael@0:   }
michael@0:   return aStr;
michael@0: }
michael@0: 
michael@0: // all progress notifications are done through the nsIWebProgressListener implementation...
michael@0: var progressListener = {
michael@0:     onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus)
michael@0:     {
michael@0:       if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_START)
michael@0:       {
michael@0:         // Put progress meter in undetermined mode.
michael@0:         // dialog.progress.setAttribute( "value", 0 );
michael@0:         dialog.progress.setAttribute( "mode", "undetermined" );
michael@0:       }
michael@0:       
michael@0:       if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP)
michael@0:       {
michael@0:         // we are done printing 
michael@0:         // Indicate completion in title area.
michael@0:         var msg = getString( "printComplete" );
michael@0:         dialog.title.setAttribute("value", msg);
michael@0: 
michael@0:         // Put progress meter at 100%.
michael@0:         dialog.progress.setAttribute( "value", 100 );
michael@0:         dialog.progress.setAttribute( "mode", "normal" );
michael@0:         var percentPrint = getString( "progressText" );
michael@0:         percentPrint = replaceInsert( percentPrint, 1, 100 );
michael@0:         dialog.progressText.setAttribute("value", percentPrint);
michael@0: 
michael@0:         var fm = Components.classes["@mozilla.org/focus-manager;1"]
michael@0:                      .getService(Components.interfaces.nsIFocusManager);
michael@0:         if (fm && fm.activeWindow == window) {
michael@0:           // This progress dialog is the currently active window. In
michael@0:           // this case we need to make sure that some other window
michael@0:           // gets focus before we close this dialog to work around the
michael@0:           // buggy Windows XP Fax dialog, which ends up parenting
michael@0:           // itself to the currently focused window and is unable to
michael@0:           // survive that window going away. What happens without this
michael@0:           // opener.focus() call on Windows XP is that the fax dialog
michael@0:           // is opened only to go away when this dialog actually
michael@0:           // closes (which can happen asynchronously, so the fax
michael@0:           // dialog just flashes once and then goes away), so w/o this
michael@0:           // fix, it's impossible to fax on Windows XP w/o manually
michael@0:           // switching focus to another window (or holding on to the
michael@0:           // progress dialog with the mouse long enough).
michael@0:           opener.focus();
michael@0:         }
michael@0: 
michael@0:         window.close();
michael@0:       }
michael@0:     },
michael@0:     
michael@0:     onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
michael@0:     {
michael@0:       if (switchUI) 
michael@0:       {
michael@0:         dialog.tempLabel.setAttribute("hidden", "true");
michael@0:         dialog.progress.setAttribute("hidden", "false");
michael@0:         dialog.cancel.setAttribute("disabled", "false");
michael@0: 
michael@0:         var progressLabel = getString("progress");
michael@0:         if (progressLabel == "") {
michael@0:           progressLabel = "Progress:"; // better than nothing
michael@0:         }
michael@0:         switchUI = false;
michael@0:       }
michael@0: 
michael@0:       if (progressParams)
michael@0:       {
michael@0:         var docTitleStr = ellipseString(progressParams.docTitle, false);
michael@0:         if (docTitleStr != docTitle) {
michael@0:           docTitle = docTitleStr;
michael@0:           dialog.title.value = docTitle;
michael@0:         }
michael@0:         var docURLStr = progressParams.docURL;
michael@0:         if (docURLStr != docURL && dialog.title != null) {
michael@0:           docURL = docURLStr;
michael@0:           if (docTitle == "") {
michael@0:             dialog.title.value = ellipseString(docURLStr, true);
michael@0:           }
michael@0:         }
michael@0:       }
michael@0: 
michael@0:       // Calculate percentage.
michael@0:       var percent;
michael@0:       if ( aMaxTotalProgress > 0 ) 
michael@0:       {
michael@0:         percent = Math.round( (aCurTotalProgress*100)/aMaxTotalProgress );
michael@0:         if ( percent > 100 )
michael@0:           percent = 100;
michael@0:         
michael@0:         dialog.progress.removeAttribute( "mode");
michael@0:         
michael@0:         // Advance progress meter.
michael@0:         dialog.progress.setAttribute( "value", percent );
michael@0: 
michael@0:         // Update percentage label on progress meter.
michael@0:         var percentPrint = getString( "progressText" );
michael@0:         percentPrint = replaceInsert( percentPrint, 1, percent );
michael@0:         dialog.progressText.setAttribute("value", percentPrint);
michael@0:       } 
michael@0:       else 
michael@0:       {
michael@0:         // Progress meter should be barber-pole in this case.
michael@0:         dialog.progress.setAttribute( "mode", "undetermined" );
michael@0:         // Update percentage label on progress meter.
michael@0:         dialog.progressText.setAttribute("value", "");
michael@0:       }
michael@0:     },
michael@0: 
michael@0: 	  onLocationChange: function(aWebProgress, aRequest, aLocation, aFlags)
michael@0:     {
michael@0:       // we can ignore this notification
michael@0:     },
michael@0: 
michael@0:     onStatusChange: function(aWebProgress, aRequest, aStatus, aMessage)
michael@0:     {
michael@0:       if (aMessage != "")
michael@0:         dialog.title.setAttribute("value", aMessage);
michael@0:     },
michael@0: 
michael@0:     onSecurityChange: function(aWebProgress, aRequest, state)
michael@0:     {
michael@0:       // we can ignore this notification
michael@0:     },
michael@0: 
michael@0:     QueryInterface : function(iid)
michael@0:     {
michael@0:      if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))
michael@0:       return this;
michael@0:      
michael@0:      throw Components.results.NS_NOINTERFACE;
michael@0:     }
michael@0: };
michael@0: 
michael@0: function getString( stringId ) {
michael@0:    // Check if we've fetched this string already.
michael@0:    if (!(stringId in dialog.strings)) {
michael@0:       // Try to get it.
michael@0:       var elem = document.getElementById( "dialog.strings."+stringId );
michael@0:       try {
michael@0:         if ( elem
michael@0:            &&
michael@0:            elem.childNodes
michael@0:            &&
michael@0:            elem.childNodes[0]
michael@0:            &&
michael@0:            elem.childNodes[0].nodeValue ) {
michael@0:          dialog.strings[ stringId ] = elem.childNodes[0].nodeValue;
michael@0:         } else {
michael@0:           // If unable to fetch string, use an empty string.
michael@0:           dialog.strings[ stringId ] = "";
michael@0:         }
michael@0:       } catch (e) { dialog.strings[ stringId ] = ""; }
michael@0:    }
michael@0:    return dialog.strings[ stringId ];
michael@0: }
michael@0: 
michael@0: function loadDialog() 
michael@0: {
michael@0: }
michael@0: 
michael@0: function replaceInsert( text, index, value ) {
michael@0:    var result = text;
michael@0:    var regExp = new RegExp( "#"+index );
michael@0:    result = result.replace( regExp, value );
michael@0:    return result;
michael@0: }
michael@0: 
michael@0: function onLoad() {
michael@0: 
michael@0:     // Set global variables.
michael@0:     printProgress = window.arguments[0];
michael@0:     if (window.arguments[1])
michael@0:     {
michael@0:       progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams)
michael@0:       if (progressParams)
michael@0:       {
michael@0:         docTitle = ellipseString(progressParams.docTitle, false);
michael@0:         docURL   = ellipseString(progressParams.docURL, true);
michael@0:       }
michael@0:     }
michael@0: 
michael@0:     if ( !printProgress ) {
michael@0:         dump( "Invalid argument to printProgress.xul\n" );
michael@0:         window.close()
michael@0:         return;
michael@0:     }
michael@0: 
michael@0:     dialog = new Object;
michael@0:     dialog.strings = new Array;
michael@0:     dialog.title        = document.getElementById("dialog.title");
michael@0:     dialog.titleLabel   = document.getElementById("dialog.titleLabel");
michael@0:     dialog.progress     = document.getElementById("dialog.progress");
michael@0:     dialog.progressText = document.getElementById("dialog.progressText");
michael@0:     dialog.progressLabel = document.getElementById("dialog.progressLabel");
michael@0:     dialog.tempLabel    = document.getElementById("dialog.tempLabel");
michael@0:     dialog.cancel       = document.getElementById("cancel");
michael@0: 
michael@0:     dialog.progress.setAttribute("hidden", "true");
michael@0:     dialog.cancel.setAttribute("disabled", "true");
michael@0: 
michael@0:     var progressLabel = getString("preparing");
michael@0:     if (progressLabel == "") {
michael@0:       progressLabel = "Preparing..."; // better than nothing
michael@0:     }
michael@0:     dialog.tempLabel.value = progressLabel;
michael@0: 
michael@0:     dialog.title.value = docTitle;
michael@0: 
michael@0:     // Set up dialog button callbacks.
michael@0:     var object = this;
michael@0:     doSetOKCancel("", function () { return object.onCancel();});
michael@0: 
michael@0:     // Fill dialog.
michael@0:     loadDialog();
michael@0: 
michael@0:     // set our web progress listener on the helper app launcher
michael@0:     printProgress.registerListener(progressListener);
michael@0:     moveToAlertPosition();
michael@0:     //We need to delay the set title else dom will overwrite it
michael@0:     window.setTimeout(doneIniting, 500);
michael@0: }
michael@0: 
michael@0: function onUnload() 
michael@0: {
michael@0:   if (printProgress)
michael@0:   {
michael@0:    try 
michael@0:    {
michael@0:      printProgress.unregisterListener(progressListener);
michael@0:      printProgress = null;
michael@0:    }
michael@0:     
michael@0:    catch( exception ) {}
michael@0:   }
michael@0: }
michael@0: 
michael@0: // If the user presses cancel, tell the app launcher and close the dialog...
michael@0: function onCancel () 
michael@0: {
michael@0:   // Cancel app launcher.
michael@0:    try 
michael@0:    {
michael@0:      printProgress.processCanceledByUser = true;
michael@0:    }
michael@0:    catch( exception ) {return true;}
michael@0:     
michael@0:   // don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted.
michael@0:   return false;
michael@0: }
michael@0: 
michael@0: function doneIniting() 
michael@0: {
michael@0:   printProgress.doneIniting();
michael@0: }