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: 
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:   var fixedLen = 64;
michael@0:   if (aStr.length <= fixedLen)
michael@0:     return aStr;
michael@0: 
michael@0:   if (doFront)
michael@0:     return "..." + aStr.substr(aStr.length-fixedLen, fixedLen);
michael@0:   
michael@0:   return aStr.substr(0, fixedLen) + "...";
michael@0: }
michael@0: 
michael@0: // all progress notifications are done through the nsIWebProgressListener implementation...
michael@0: var progressListener = {
michael@0: 
michael@0:   onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus)
michael@0:   {
michael@0:     if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP)
michael@0:       window.close();
michael@0:   },
michael@0:   
michael@0:   onProgressChange: function (aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
michael@0:   {
michael@0:     if (!progressParams)
michael@0:       return;
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 = ellipseString(progressParams.docURL, true);
michael@0:     if (docURLStr != docURL && dialog.title != null) {
michael@0:       docURL = docURLStr;
michael@0:       if (docTitle == "")
michael@0:         dialog.title.value = docURLStr;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   onLocationChange: function (aWebProgress, aRequest, aLocation, aFlags) {},
michael@0:   onSecurityChange: function (aWebProgress, aRequest, state) {},
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:   QueryInterface: function (iid)
michael@0:   {
michael@0:     if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))
michael@0:       return this;   
michael@0:     throw Components.results.NS_NOINTERFACE;
michael@0:   }
michael@0: }
michael@0: 
michael@0: function onLoad() {
michael@0:   // Set global variables.
michael@0:   printProgress = window.arguments[0];
michael@0:   if (window.arguments[1]) {
michael@0:     progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams)
michael@0:     if (progressParams) {
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 printPreviewProgress.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: 
michael@0:   dialog.title.value = docTitle;
michael@0: 
michael@0:   // set our web progress listener on the helper app launcher
michael@0:   printProgress.registerListener(progressListener);
michael@0:   moveToAlertPosition();
michael@0: 
michael@0:   //We need to delay the set title else dom will overwrite it
michael@0:   window.setTimeout(doneIniting, 100);
michael@0: }
michael@0: 
michael@0: function onUnload() 
michael@0: {
michael@0:   if (!printProgress)
michael@0:     return;
michael@0:   try {
michael@0:     printProgress.unregisterListener(progressListener);
michael@0:     printProgress = null;
michael@0:   }
michael@0:   catch(e) {}
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 && elem.childNodes && elem.childNodes[0] &&
michael@0:           elem.childNodes[0].nodeValue)
michael@0:         dialog.strings[stringId] = elem.childNodes[0].nodeValue;
michael@0:       // If unable to fetch string, use an empty string.
michael@0:       else
michael@0:         dialog.strings[stringId] = "";
michael@0:     } catch (e) { dialog.strings[stringId] = ""; }
michael@0:   }
michael@0:   return dialog.strings[stringId];
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:     printProgress.processCanceledByUser = true;
michael@0:   }
michael@0:   catch(e) {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:   // called by function timeout in onLoad
michael@0:   printProgress.doneIniting();
michael@0: }