The Tor Browser: toolkit/components/printing/content/printPreviewProgress.js@b8a032363ba2 (annotated)

toolkit/components/printing/content/printPreviewProgress.js@b8a032363ba2 (annotated)

toolkit/components/printing/content/printPreviewProgress.js

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 // dialog is just an array we'll use to store various properties from the dialog document...
 var dialog;
 // the printProgress is a nsIPrintProgress object
 var printProgress = null;
 // random global variables...
 var targetFile;
 var docTitle = "";
 var docURL   = "";
 var progressParams = null;
 function ellipseString(aStr, doFront)
 {
   if (aStr.length > 3 && (aStr.substr(0, 3) == "..." || aStr.substr(aStr.length-4, 3) == "..."))
     return aStr;
   var fixedLen = 64;
   if (aStr.length <= fixedLen)
     return aStr;
   if (doFront)
     return "..." + aStr.substr(aStr.length-fixedLen, fixedLen);
   return aStr.substr(0, fixedLen) + "...";
 }
 // all progress notifications are done through the nsIWebProgressListener implementation...
 var progressListener = {
   onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus)
   {
     if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP)
       window.close();
   },
   onProgressChange: function (aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
   {
     if (!progressParams)
       return;
     var docTitleStr = ellipseString(progressParams.docTitle, false);
     if (docTitleStr != docTitle) {
       docTitle = docTitleStr;
       dialog.title.value = docTitle;
     }
     var docURLStr = ellipseString(progressParams.docURL, true);
     if (docURLStr != docURL && dialog.title != null) {
       docURL = docURLStr;
       if (docTitle == "")
         dialog.title.value = docURLStr;
     }
   },
   onLocationChange: function (aWebProgress, aRequest, aLocation, aFlags) {},
   onSecurityChange: function (aWebProgress, aRequest, state) {},
   onStatusChange: function (aWebProgress, aRequest, aStatus, aMessage)
   {
     if (aMessage)
       dialog.title.setAttribute("value", aMessage);
   },
   QueryInterface: function (iid)
   {
     if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))
       return this;
     throw Components.results.NS_NOINTERFACE;
   }
 }
 function onLoad() {
   // Set global variables.
   printProgress = window.arguments[0];
   if (window.arguments[1]) {
     progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams)
     if (progressParams) {
       docTitle = ellipseString(progressParams.docTitle, false);
       docURL   = ellipseString(progressParams.docURL, true);
     }
   }
   if (!printProgress) {
     dump( "Invalid argument to printPreviewProgress.xul\n" );
     window.close()
     return;
   }
   dialog         = new Object;
   dialog.strings = new Array;
   dialog.title   = document.getElementById("dialog.title");
   dialog.titleLabel = document.getElementById("dialog.titleLabel");
   dialog.title.value = docTitle;
   // set our web progress listener on the helper app launcher
   printProgress.registerListener(progressListener);
   moveToAlertPosition();
   //We need to delay the set title else dom will overwrite it
   window.setTimeout(doneIniting, 100);
 }
 function onUnload()
 {
   if (!printProgress)
     return;
   try {
     printProgress.unregisterListener(progressListener);
     printProgress = null;
   }
   catch(e) {}
 }
 function getString (stringId) {
   // Check if we've fetched this string already.
   if (!(stringId in dialog.strings)) {
     // Try to get it.
     var elem = document.getElementById( "dialog.strings."+stringId);
     try {
       if (elem && elem.childNodes && elem.childNodes[0] &&
           elem.childNodes[0].nodeValue)
         dialog.strings[stringId] = elem.childNodes[0].nodeValue;
       // If unable to fetch string, use an empty string.
       else
         dialog.strings[stringId] = "";
     } catch (e) { dialog.strings[stringId] = ""; }
   }
   return dialog.strings[stringId];
 }
 // If the user presses cancel, tell the app launcher and close the dialog...
 function onCancel ()
 {
   // Cancel app launcher.
   try {
     printProgress.processCanceledByUser = true;
   }
   catch(e) {return true;}
   // don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted.
   return false;
 }
 function doneIniting()
 {
   // called by function timeout in onLoad
   printProgress.doneIniting();
 }