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 1/4] 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) {

From 4008ec69b832dd06f004dc2dcc59386c17e521a7 Mon Sep 17 00:00:00 2001
From: Chris Peterson <cpeterso@cpeterso.com>
Date: Sun, 18 Dec 2011 20:40:44 -0800
Subject: [PATCH 2/4] Add keyboard shortcuts to navigate pages with 'j' and 'k'
 keys like vi

---
 web/viewer.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/web/viewer.js b/web/viewer.js
index e8b94af46..3404c6e42 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -913,10 +913,12 @@ window.addEventListener('keydown', function keydown(evt) {
       handled = true;
       break;
     case 37: // left arrow
+    case 75: // 'k'
       PDFView.page--;
       handle = true;
       break;
     case 39: // right arrow
+    case 74: // 'j'
       PDFView.page++;
       handle = true;
       break;

From 396daddefebc90edfb553e8d9f75fc373c438423 Mon Sep 17 00:00:00 2001
From: Chris Peterson <cpeterso@cpeterso.com>
Date: Sun, 18 Dec 2011 20:42:18 -0800
Subject: [PATCH 3/4] Add keyboard shortcuts to navigate pages with 'n' and 'p'
 keys (Next/Previous)

---
 web/viewer.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/web/viewer.js b/web/viewer.js
index 3404c6e42..24c3458d7 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -914,11 +914,13 @@ window.addEventListener('keydown', function keydown(evt) {
       break;
     case 37: // left arrow
     case 75: // 'k'
+    case 80: // 'p'
       PDFView.page--;
       handle = true;
       break;
     case 39: // right arrow
     case 74: // 'j'
+    case 78: // 'n'
       PDFView.page++;
       handle = true;
       break;

From 8adb92a7092818462abe087c47f53a9d95e9d075 Mon Sep 17 00:00:00 2001
From: Chris Peterson <github.com@cpeterso.com>
Date: Sun, 18 Dec 2011 20:58:14 -0800
Subject: [PATCH 4/4] Fix typo: s/handle/handled/

---
 web/viewer.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/web/viewer.js b/web/viewer.js
index 24c3458d7..153de99aa 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -916,13 +916,13 @@ window.addEventListener('keydown', function keydown(evt) {
     case 75: // 'k'
     case 80: // 'p'
       PDFView.page--;
-      handle = true;
+      handled = true;
       break;
     case 39: // right arrow
     case 74: // 'j'
     case 78: // 'n'
       PDFView.page++;
-      handle = true;
+      handled = true;
       break;
   }