From aebb9946f8a653c83c5bdad1a79ab062d7d75321 Mon Sep 17 00:00:00 2001
From: Chris Peterson <cpeterso@cpeterso.com>
Date: Sun, 18 Dec 2011 20:39:41 -0800
Subject: [PATCH] Add keyboard shortcuts to navigate pages with left and right
 arrow keys

This is the behavior of Adobe Reader.app and Apple's Preview.app.
---
 web/viewer.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/web/viewer.js b/web/viewer.js
index d9732c2a3..e8b94af46 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -912,6 +912,14 @@ window.addEventListener('keydown', function keydown(evt) {
       PDFView.setScale(kDefaultScale, true);
       handled = true;
       break;
+    case 37: // left arrow
+      PDFView.page--;
+      handle = true;
+      break;
+    case 39: // right arrow
+      PDFView.page++;
+      handle = true;
+      break;
   }
 
   if (handled) {