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

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

     1 // -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 // dialog is just an array we'll use to store various properties from the dialog document...

     8 var dialog;

    10 // the printProgress is a nsIPrintProgress object

    11 var printProgress = null;

    13 // random global variables...

    14 var targetFile;

    16 var docTitle = "";

    17 var docURL   = "";

    18 var progressParams = null;

    20 function ellipseString(aStr, doFront)

    21 {

    22   if (aStr.length > 3 && (aStr.substr(0, 3) == "..." || aStr.substr(aStr.length-4, 3) == "..."))

    23     return aStr;

    25   var fixedLen = 64;

    26   if (aStr.length <= fixedLen)

    27     return aStr;

    29   if (doFront)

    30     return "..." + aStr.substr(aStr.length-fixedLen, fixedLen);

    32   return aStr.substr(0, fixedLen) + "...";

    33 }

    35 // all progress notifications are done through the nsIWebProgressListener implementation...

    36 var progressListener = {

    38   onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus)

    39   {

    40     if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP)

    41       window.close();

    42   },

    44   onProgressChange: function (aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)

    45   {

    46     if (!progressParams)

    47       return;

    48     var docTitleStr = ellipseString(progressParams.docTitle, false);

    49     if (docTitleStr != docTitle) {

    50       docTitle = docTitleStr;

    51       dialog.title.value = docTitle;

    52     }

    53     var docURLStr = ellipseString(progressParams.docURL, true);

    54     if (docURLStr != docURL && dialog.title != null) {

    55       docURL = docURLStr;

    56       if (docTitle == "")

    57         dialog.title.value = docURLStr;

    58     }

    59   },

    61   onLocationChange: function (aWebProgress, aRequest, aLocation, aFlags) {},

    62   onSecurityChange: function (aWebProgress, aRequest, state) {},

    64   onStatusChange: function (aWebProgress, aRequest, aStatus, aMessage)

    65   {

    66     if (aMessage)

    67       dialog.title.setAttribute("value", aMessage);

    68   },

    70   QueryInterface: function (iid)

    71   {

    72     if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))

    73       return this;

    74     throw Components.results.NS_NOINTERFACE;

    75   }

    76 }

    78 function onLoad() {

    79   // Set global variables.

    80   printProgress = window.arguments[0];

    81   if (window.arguments[1]) {

    82     progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams)

    83     if (progressParams) {

    84       docTitle = ellipseString(progressParams.docTitle, false);

    85       docURL   = ellipseString(progressParams.docURL, true);

    86     }

    87   }

    89   if (!printProgress) {

    90     dump( "Invalid argument to printPreviewProgress.xul\n" );

    91     window.close()

    92     return;

    93   }

    95   dialog         = new Object;

    96   dialog.strings = new Array;

    97   dialog.title   = document.getElementById("dialog.title");

    98   dialog.titleLabel = document.getElementById("dialog.titleLabel");

   100   dialog.title.value = docTitle;

   102   // set our web progress listener on the helper app launcher

   103   printProgress.registerListener(progressListener);

   104   moveToAlertPosition();

   106   //We need to delay the set title else dom will overwrite it

   107   window.setTimeout(doneIniting, 100);

   108 }

   110 function onUnload()

   111 {

   112   if (!printProgress)

   113     return;

   114   try {

   115     printProgress.unregisterListener(progressListener);

   116     printProgress = null;

   117   }

   118   catch(e) {}

   119 }

   121 function getString (stringId) {

   122   // Check if we've fetched this string already.

   123   if (!(stringId in dialog.strings)) {

   124     // Try to get it.

   125     var elem = document.getElementById( "dialog.strings."+stringId);

   126     try {

   127       if (elem && elem.childNodes && elem.childNodes[0] &&

   128           elem.childNodes[0].nodeValue)

   129         dialog.strings[stringId] = elem.childNodes[0].nodeValue;

   130       // If unable to fetch string, use an empty string.

   131       else

   132         dialog.strings[stringId] = "";

   133     } catch (e) { dialog.strings[stringId] = ""; }

   134   }

   135   return dialog.strings[stringId];

   136 }

   138 // If the user presses cancel, tell the app launcher and close the dialog...

   139 function onCancel ()

   140 {

   141   // Cancel app launcher.

   142   try {

   143     printProgress.processCanceledByUser = true;

   144   }

   145   catch(e) {return true;}

   147   // don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted.

   148   return false;

   149 }

   151 function doneIniting()

   152 {

   153   // called by function timeout in onLoad

   154   printProgress.doneIniting();

   155 }

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