Print Preview: Changing displayed error message when PDF Viewer is missing.

chrome/browser/resources/print_preview.js

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var localStrings = new LocalStrings();
 
 // The total page count of the previewed document regardless of which pages the
 // user has selected.
 var totalPageCount = -1;
 
@@ skipping 24 matching lines @@
 
 /**
  * Window onload handler, sets up the page and starts print preview by getting
  * the printer list.
  */
 function onLoad() {
   $('system-dialog-link').addEventListener('click', showSystemDialog);
   $('cancel-button').addEventListener('click', handleCancelButtonClick);
 
   if (!checkCompatiblePluginExists()) {
-    displayErrorMessage(localStrings.getString('noPlugin'), false);
+    displayErrorMessageWithButton(localStrings.getString('noPlugin'),
+                                  localStrings.getString('launchNativeDialog'),
+                                  showSystemDialog);
     $('mainview').parentElement.removeChild($('dummy-viewer'));
     return;
   }
   $('mainview').parentElement.removeChild($('dummy-viewer'));
 
   $('printer-list').disabled = true;
   $('print-button').disabled = true;
   showLoadingAnimation();
   chrome.send('getDefaultPrinter');
 }
@@ skipping 78 matching lines @@
 function showSystemDialog() {
   chrome.send('showSystemDialog');
 }
 
 /**
  * Disables the controls which need the initiator tab to generate preview
  * data. This function is called when the initiator tab is closed.
  * @param {string} initiatorTabURL The URL of the initiator tab.
  */
 function onInitiatorTabClosed(initiatorTabURL) {
-  $('reopen-page').addEventListener('click', function() {
-      window.location = initiatorTabURL;
-  });
-  displayErrorMessage(localStrings.getString('initiatorTabClosed'), true);
+  displayErrorMessageWithButton(
+      localStrings.getString('initiatorTabClosed'),
+      localStrings.getString('reopenPage'),
+      function() { window.location = initiatorTabURL; });
 }
 
 /**
  * Gets the selected printer capabilities and updates the controls accordingly.
  */
 function updateControlsWithSelectedPrinterCapabilities() {
   var printerList = $('printer-list');
   var selectedIndex = printerList.selectedIndex;
   if (selectedIndex < 0)
     return;
@@ skipping 272 matching lines @@
   var pdfViewer = $('pdf-viewer');
   if (!pdfViewer) {
     return;
   }
   pdfViewer.grayscale(!color);
 }
 
 /**
  * Display an error message in the center of the preview area.
  * @param {string} errorMessage The error message to be displayed.
- * @param {boolean} showButton Indivates whether the "Reopen the page" button
- * should be displayed.
  */
-function displayErrorMessage(errorMessage, showButton) {
+function displayErrorMessage(errorMessage) {
   $('overlay-layer').classList.remove('invisible');
   $('dancing-dots-text').classList.add('hidden');
   $('error-text').innerHTML = errorMessage;
   $('error-text').classList.remove('hidden');
-  if (showButton)
-    $('reopen-page').classList.remove('hidden');
-  else
-    $('reopen-page').classList.add('hidden');
-
   removeEventListeners();
   var pdfViewer = $('pdf-viewer');
   if (pdfViewer)
     $('mainview').removeChild(pdfViewer);
 }
 
 /**
+ * Display an error message in the center of the preview area followed by a
+ * button.
+ * @param {string} errorMessage The error message to be displayed.
+ * @param {string} buttonText The text to be displayed within the button.
+ * @param {string} buttonListener The listener to be executed when the button is
+ * clicked.
+ */
+function displayErrorMessageWithButton(
+    errorMessage, buttonText, buttonListener) {
+  var errorButton = $('error-button');
+  errorButton.innerHTML = buttonText;
+  errorButton.onclick = buttonListener;
+  errorButton.classList.remove('hidden');
+  displayErrorMessage(errorMessage);
+}
+
+/**
  * Display an error message when print preview fails.
  * Called from PrintPreviewMessageHandler::OnPrintPreviewFailed().
  */
 function printPreviewFailed() {
-  displayErrorMessage(localStrings.getString('previewFailed'), false);
+  displayErrorMessage(localStrings.getString('previewFailed'));
 }
 
 /**
  * Called when the PDF plugin loads its document.
  */
 function onPDFLoad() {
   if (isLandscape())
     $('pdf-viewer').fitToWidth();
   else
     $('pdf-viewer').fitToHeight();
@@ skipping 480 matching lines @@
   this.isLandscape = '';
 }
 
 /**
  * Takes a snapshot of the print settings.
  */
 PrintSettings.prototype.save = function() {
   this.deviceName = getSelectedPrinterName();
   this.isLandscape = isLandscape();
 }