Added Header and Footer support using Skia

chrome/browser/resources/print_preview/print_preview.js

Index: chrome/browser/resources/print_preview/print_preview.js
diff --git a/chrome/browser/resources/print_preview/print_preview.js b/chrome/browser/resources/print_preview/print_preview.js
index 35ec000338f2f92da3c38462ea19c040f2c210a9..9868509eec070416d54a4f6f2525f554d817e949 100644
--- a/chrome/browser/resources/print_preview/print_preview.js
+++ b/chrome/browser/resources/print_preview/print_preview.js
@@ -116,6 +116,7 @@ function onLoad() {
 function addEventListeners() {
   // Controls that require preview rendering.
   $('printer-list').onchange = updateControlsWithSelectedPrinterCapabilities;
+  $('header-footer').onclick = onHeaderFooterChanged;
 }
 
 /**
@@ -127,6 +128,7 @@ function removeEventListeners() {
 
   // Controls that require preview rendering
   $('printer-list').onchange = null;
+  $('header-footer').onclick = null;
 }
 
 /**
@@ -293,6 +295,15 @@ function areSettingsValid() {
 }
 
 /**
+ * Checks whether the Headers and Footers checkbox is checked or not.
+ *
+ * @return {boolean} true if Headers and Footers are checked.
+ */
+function hasHeaderFooter() {
+  return $('header-footer').checked;
+}
+
+/**
  * Creates an object based on the values in the printer settings.
  *
  * @return {Object} Object containing print job settings.
@@ -311,6 +322,7 @@ function getSettings() {
        'landscape': layoutSettings.isLandscape(),
        'color': colorSettings.isColor(),
        'printToPDF': printToPDF,
+       'headerFooter': hasHeaderFooter(),
        'requestID': 0};
 
   var printerList = $('printer-list');
@@ -775,6 +787,8 @@ function onPDFLoad() {
   if (previewModifiable) {
     setPluginPreviewPageCount();
     cr.dispatchSimpleEvent(document, 'updateSummary');
+  } else {
+    fadeOutElement($('options-option'));
   }
   $('pdf-viewer').fitToHeight();
   cr.dispatchSimpleEvent(document, 'PDFLoaded');
@@ -891,6 +905,10 @@ function checkIfSettingsChangedAndRegeneratePreview() {
     setDefaultValuesAndRegeneratePreview();
     return true;
   }
+  if (printSettings.hasHeaderFooter != tempPrintSettings.hasHeaderFooter) {
+    requestPrintPreview();
+    return true;
+  }
   if (pageSettings.requestPrintPreviewIfNeeded())
     return true;
 
@@ -943,6 +961,14 @@ function checkCompatiblePluginExists() {
 window.addEventListener('DOMContentLoaded', onLoad);
 
 /**
+ * When the user selects or de-selects the headers and footers option then a
+ * new preview is requested.
+ */
+function onHeaderFooterChanged() {
+  requestPrintPreview();
+}
+
+/**
  * Sets the default values and sends a request to regenerate preview data.
  */
 function setDefaultValuesAndRegeneratePreview() {
@@ -956,6 +982,7 @@ function setDefaultValuesAndRegeneratePreview() {
 function PrintSettings() {
   this.deviceName = '';
   this.isLandscape = '';
+  this.hasHeaderFooter = '';
 }
 
 /**
@@ -964,5 +991,6 @@ function PrintSettings() {
 PrintSettings.prototype.save = function() {
   this.deviceName = getSelectedPrinterName();
   this.isLandscape = layoutSettings.isLandscape();
+  this.hasHeaderFooter = hasHeaderFooter();
 }