Print preview: Implement functions to add a PDF plugin to the page and update it.

BUG=57904
TEST=none
Review URL: http://codereview.chromium.org/5524004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@68101 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 32 insertions, 2 deletions

diff --git a/chrome/browser/resources/print_preview.css b/chrome/browser/resources/print_preview.css
index 514210a..f338b98 100644
--- a/chrome/browser/resources/print_preview.css
+++ b/chrome/browser/resources/print_preview.css
@@ -54,6 +54,11 @@ body {
   background-color: #ccc;
 }
 
+#pdf-viewer {
+  width: 100%;
+  height: 100%;
+}
+
 section {
   -webkit-box-orient: horizontal;
   display: -webkit-box;
diff --git a/chrome/browser/resources/print_preview.html b/chrome/browser/resources/print_preview.html
index ff755c5..e5aee65 100644
--- a/chrome/browser/resources/print_preview.html
+++ b/chrome/browser/resources/print_preview.html
@@ -75,7 +75,7 @@
 </div>
 <div id="separator"></div>
 <div id="mainview">
-  MAIN
+  <p id="loading" i18n-content="loading"></p>
 </div>
 
 <script>
diff --git a/chrome/browser/resources/print_preview.js b/chrome/browser/resources/print_preview.js
index 02a1bc4..6af5dd4 100644
--- a/chrome/browser/resources/print_preview.js
+++ b/chrome/browser/resources/print_preview.js
@@ -13,6 +13,7 @@ function load() {
   });
 
   chrome.send('getPrinters');
+  chrome.send('getPreview');
 };
 
 /**
@@ -34,5 +35,29 @@ function setPrinters(printers) {
   }
 }
 
-window.addEventListener('DOMContentLoaded', load);
+function onPDFLoad() {
+  $('pdf-viewer').fitToHeight();
+}
+
+/**
+ * Create the PDF plugin or reload the existing one.
+ */
+function createPDFPlugin(url) {
+  if ($('pdf-viewer')) {
+    pdfPlugin.reload();
+    return;
+  }
+
+  var loadingElement = $('loading');
+  var mainView = loadingElement.parentNode;
+  mainView.removeChild(loadingElement);
 
+  pdfPlugin = document.createElement('object');
+  pdfPlugin.setAttribute('id', 'pdf-viewer');
+  pdfPlugin.setAttribute('type', 'application/pdf');
+  pdfPlugin.setAttribute('src', url);
+  mainView.appendChild(pdfPlugin);
+  pdfPlugin.onload('onPDFLoad()');
+}
+
+window.addEventListener('DOMContentLoaded', load);