import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

toolkit/components/printing/content/printPreviewProgress.js

@@ -0,0 +1,154 @@
+// -*- indent-tabs-mode: nil; js-indent-level: 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         = {};
+  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);
+
+  // 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();
+}