From e7f4760993202b33e0ffe3c88edd238bac858365 Mon Sep 17 00:00:00 2001
From: frankdelange <github-f@unternet.org>
Date: Sat, 25 Mar 2017 19:39:03 +0100
Subject: [PATCH] files_reader: more changes towards full PDF functionality

---
 files_opds/lib/isbndb.php                     |   6 +-
 files_reader/CHANGELOG.md                     |  10 +-
 files_reader/TODO                             |   6 +
 files_reader/js/ready.js                      |  77 ++++----
 files_reader/templates/.pdfreader.php.swp     | Bin 40960 -> 0 bytes
 files_reader/templates/cbreader.php           |   2 +-
 files_reader/templates/pdfreader.php          |  10 ++
 files_reader/vendor/icomoon/fonts/icomoon.eot | Bin 14460 -> 15356 bytes
 files_reader/vendor/icomoon/fonts/icomoon.svg |   6 +
 files_reader/vendor/icomoon/fonts/icomoon.ttf | Bin 14296 -> 15192 bytes
 .../vendor/icomoon/fonts/icomoon.woff         | Bin 14372 -> 15268 bytes
 files_reader/vendor/icomoon/style.css         |  30 +++-
 files_reader/vendor/pdfjs/.pdf.reader.js.swp  | Bin 69632 -> 0 bytes
 .../controllers/.controls_controller.js.swp   | Bin 24576 -> 0 bytes
 .../controllers/.reader_controller.js.swp     | Bin 20480 -> 0 bytes
 .../pdfjs/controllers/controls_controller.js  |  56 +++++-
 .../pdfjs/controllers/reader_controller.js    |  16 +-
 files_reader/vendor/pdfjs/css/.main.css.swp   | Bin 20480 -> 0 bytes
 files_reader/vendor/pdfjs/css/main.css        |  51 ++++--
 files_reader/vendor/pdfjs/pdf.reader.js       | 165 ++++++++++++------
 20 files changed, 308 insertions(+), 127 deletions(-)
 delete mode 100644 files_reader/templates/.pdfreader.php.swp
 delete mode 100644 files_reader/vendor/pdfjs/.pdf.reader.js.swp
 delete mode 100644 files_reader/vendor/pdfjs/controllers/.controls_controller.js.swp
 delete mode 100644 files_reader/vendor/pdfjs/controllers/.reader_controller.js.swp
 delete mode 100644 files_reader/vendor/pdfjs/css/.main.css.swp

diff --git a/files_opds/lib/isbndb.php b/files_opds/lib/isbndb.php
index 9e4d2f3..75c7100 100644
--- a/files_opds/lib/isbndb.php
+++ b/files_opds/lib/isbndb.php
@@ -62,13 +62,13 @@ class Isbndb
         static function parse($data,&$meta) {
                 /* did the call succeed? If not, schedule a rescan */
                 if (Isbn::REQUEST_LIMIT_EXCEEDED == $data) {
-                        $meta['rescan'] = date("Y-m-d\TH:i:sP", time() + Isbn::RESCAN_LIMIT_EXCEEDED);
+                        $meta['rescan'] = date("Y-m-d H:i:s", time() + Isbn::RESCAN_LIMIT_EXCEEDED);
                         return false;
                 } elseif (Isbn::NOT_FOUND == $data) {
-                        $meta['rescan'] = date("Y-m-d\TH:i:sP", time() + Isbn::RESCAN_NOT_FOUND);
+                        $meta['rescan'] = date("Y-m-d H:i:s", time() + Isbn::RESCAN_NOT_FOUND);
                         return false;
                 } elseif (Isbn::ERROR == $data) {
-                        $meta['rescan'] = date("Y-m-d\TH:i:sP", time() + Isbn::RESCAN_ERROR);
+                        $meta['rescan'] = date("Y-m-d H:i:s", time() + Isbn::RESCAN_ERROR);
                         return false;
                 }
 
diff --git a/files_reader/CHANGELOG.md b/files_reader/CHANGELOG.md
index 0494d71..3a2d9fe 100644
--- a/files_reader/CHANGELOG.md
+++ b/files_reader/CHANGELOG.md
@@ -1,10 +1,18 @@
 ## UNRELEASED
 ### Added
  - Reader now supports PDF
- - PDF should work more or less like EPUB, ie. double page spreads are supported
+ - PDF double page spreads are supported
  - optional double-buffering for faster rendering, can be disabled for low-memory devices
  - optional selectable text layer, can be disabled for low-memory devices
 
+### Changed
+ - #38: moved declarations in js/ready.js one level lower to work around a bug in the Palemoon browser
+ - new version bitjs archive tools, fixes compatibility problems with some CBR files
+
+## 1.0.1 - 2017-03-19
+### Fixed
+ - #35: Internal Server Error: fixed path resolution so app works when NC/OC hosted in subdirectory
+
 ## 1.0.0 - 2017-03-15
 ### Added
  - Reader now supports CBR/CBZ ('comics') files
diff --git a/files_reader/TODO b/files_reader/TODO
index f60bd3e..b60fa73 100644
--- a/files_reader/TODO
+++ b/files_reader/TODO
@@ -3,3 +3,9 @@
  - bookmarks
  - annotations
  - settings
+
+ - rtl and ltr
+ - switch spread-page-width by key combo
+
+ - test canvas size restriction
+ - toggle zoom via keyboard
diff --git a/files_reader/js/ready.js b/files_reader/js/ready.js
index 79099cf..7237189 100644
--- a/files_reader/js/ready.js
+++ b/files_reader/js/ready.js
@@ -100,51 +100,52 @@ document.onreadystatechange = function () {
             default:
                 console.log(type + ' is not supported by Reader');
         }
-        
-        // why is there no standard library function for this? 
-        function getUrlParameter (param) {
-            var pattern = new RegExp('[?&]'+param+'((=([^&]*))|(?=(&|$)))','i');
-            var m = window.location.search.match(pattern);
-            return m && ( typeof(m[3])==='undefined' ? '' : m[3] );
-        }
+    }
 
-        // start epub.js renderer
-        function renderEpub(file, options) {
+    // why is there no standard library function for this? 
+    function getUrlParameter (param) {
+        var pattern = new RegExp('[?&]'+param+'((=([^&]*))|(?=(&|$)))','i');
+        var m = window.location.search.match(pattern);
+        return m && ( typeof(m[3])==='undefined' ? '' : m[3] );
+    }
 
-            // some parameters... 
-            EPUBJS.filePath = "vendor/epubjs/";
-            EPUBJS.cssPath = "vendor/epubjs/css/";
-            EPUBJS.basePath = $('.session').data('basepath');
+    // start epub.js renderer
+    function renderEpub(file, options) {
 
-            /* device-specific boilerplate */
+        // some parameters... 
+        EPUBJS.filePath = "vendor/epubjs/";
+        EPUBJS.cssPath = "vendor/epubjs/css/";
+        EPUBJS.basePath = $('.session').data('basepath');
+
+        /* device-specific boilerplate */
 
             // IE < 11
-            if (navigator.userAgent.indexOf("MSIE") != -1) {
-                EPUBJS.Hooks.register("beforeChapterDisplay").wgxpath = function(callback, renderer){
-                    wgxpath.install(renderer.render.window);
-                    if(callback)
-                        callback();
-                };
-                wgxpath.install(window);
-            }
-
-            var reader = ePubReader(file, options);
+        if (navigator.userAgent.indexOf("MSIE") != -1) {
+            EPUBJS.Hooks.register("beforeChapterDisplay").wgxpath = function(callback, renderer){
+                wgxpath.install(renderer.render.window);
+                if(callback)
+                    callback();
+            };
+            wgxpath.install(window);
         }
 
-        // start cbr.js renderer
-        function renderCbr(file, options) {
-            CBRJS.filePath = "vendor/cbrjs/";
-
-            var reader = cbReader(file, options);
-        }
-
-        // start pdf.js renderer
-        function renderPdf(file, options) {
-            PDFJS.filePath = "vendor/pdfjs/";
-            PDFJS.workerSrc = options.session.basePath + 'vendor/pdfjs/lib/pdf.worker.js';
-
-            var reader = pdfReader(file, options);
-        }
+        var reader = ePubReader(file, options);
     }
+
+    // start cbr.js renderer
+    function renderCbr(file, options) {
+        CBRJS.filePath = "vendor/cbrjs/";
+
+        var reader = cbReader(file, options);
+    }
+
+    // start pdf.js renderer
+    function renderPdf(file, options) {
+        PDFJS.filePath = "vendor/pdfjs/";
+        PDFJS.workerSrc = options.session.basePath + 'vendor/pdfjs/lib/pdf.worker.js';
+
+        var reader = pdfReader(file, options);
+    }
+
 };
 
diff --git a/files_reader/templates/.pdfreader.php.swp b/files_reader/templates/.pdfreader.php.swp
deleted file mode 100644
index 835812776f85e582633f0c29c7dc6c45946fe93b..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/files_reader/templates/cbreader.php b/files_reader/templates/cbreader.php
index c081cbb..7d8b69d 100644
--- a/files_reader/templates/cbreader.php
+++ b/files_reader/templates/cbreader.php
@@ -43,7 +43,7 @@
         <script type="text/javascript" nonce="<?php p($nonce) ?>" src="<?php p($urlGenerator->linkTo('files_reader', 'vendor/epubjs/libs/jquery.min.js')) ?>?v=<?php p($version) ?>"> </script>
         <script type="text/javascript" nonce="<?php p($nonce) ?>" src="<?php p($urlGenerator->linkTo('files_reader', 'vendor/sindresorhus/screenfull.js')) ?>?v=<?php p($version) ?>"> </script>
         <script type="text/javascript" nonce="<?php p($nonce) ?>" src="<?php p($urlGenerator->linkTo('files_reader', 'vendor/pixastic/pixastic_combined.js')) ?>?v=<?php p($version) ?>"> </script>
-        <script type="text/javascript" nonce="<?php p($nonce) ?>" src="<?php p($urlGenerator->linkTo('files_reader', 'vendor/bitjs/archive.js')) ?>?v=<?php p($version) ?>"> </script>
+        <script type="text/javascript" nonce="<?php p($nonce) ?>" src="<?php p($urlGenerator->linkTo('files_reader', 'vendor/bitjs/archive/archive.js')) ?>?v=<?php p($version) ?>"> </script>
         <script type="text/javascript" nonce="<?php p($nonce) ?>" src="<?php p($urlGenerator->linkTo('files_reader', 'vendor/cbrjs/cbr.js')) ?>?v=<?php p($version) ?>"> </script>
 
         <?php if ($idevice): ?>
diff --git a/files_reader/templates/pdfreader.php b/files_reader/templates/pdfreader.php
index 52ff3ba..f211454 100644
--- a/files_reader/templates/pdfreader.php
+++ b/files_reader/templates/pdfreader.php
@@ -284,6 +284,16 @@
                         </div>
                         <span id="zoom_icon"></span>
                         <span class="controls-separator"> </span>
+                        <div id="rotate_options" class="hide">
+                            <div class="rotate_option icon-rotate_0" data-value="0" data-class="icon-rotate_0" data-text=""></div>
+                            <div class="rotate_option icon-rotate_90" data-value="90" data-class="icon-rotate_90" data-text=""></div>
+                            <div class="rotate_option icon-rotate_180" data-value="180" data-class="icon-rotate_180" data-text=""></div>
+                            <div class="rotate_option icon-rotate_270" data-value="270" data-class="icon-rotate_270" data-text=""></div>
+                        </div>
+                        <span id="rotate_left" class="icon-rotate_left"></span>
+                        <span id="rotate_icon" class=icon-rotate_0"></span>
+                        <span id="rotate_right" class="icon-rotate_right"></span>
+                        <span class="controls-separator"> </span>
                         <a></a>
                         <a id="note" class="icon-comment">
                         </a>
diff --git a/files_reader/vendor/icomoon/fonts/icomoon.eot b/files_reader/vendor/icomoon/fonts/icomoon.eot
index b900d5c0b8b42119ff0ee9745cd57f9922c569d9..c8e55bad5402b5b8eda5e34a47ed530f3c382b98 100644
GIT binary patch
delta 1554
zcmai!e@qi+7{{OY?t0fBw6w+Edv<q+Ef$EAiqIB;t|~RU_=iD+4*UtBDj|SfXr^XJ
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NqYVdO;;X;}`5QfplIZ{d

delta 696
zcmXw$T}YE*6vxl|xp&`_&F7KVckiUMB0{H@vk@g;m`K^jg$NCGbGj8yN3&cdC|-z!
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diff --git a/files_reader/vendor/icomoon/fonts/icomoon.svg b/files_reader/vendor/icomoon/fonts/icomoon.svg
index 381c46a..e743a03 100644
--- a/files_reader/vendor/icomoon/fonts/icomoon.svg
+++ b/files_reader/vendor/icomoon/fonts/icomoon.svg
@@ -7,6 +7,10 @@
 <font-face units-per-em="1024" ascent="960" descent="-64" />
 <missing-glyph horiz-adv-x="1024" />
 <glyph unicode="&#x20;" horiz-adv-x="512" d="" />
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 <glyph unicode="&#xe06d;" glyph-name="featured_play_list" d="M512 640.667v84h-384v-84h384zM512 468.667v86h-384v-86h384zM896 810.667c46 0 86-40 86-86v-596c0-46-40-86-86-86h-768c-46 0-86 40-86 86v596c0 46 40 86 86 86h768z" />
 <glyph unicode="&#xe0b7;" glyph-name="chat" d="M768 596.667v86h-512v-86h512zM598 340.667v86h-342v-86h342zM256 554.667v-86h512v86h-512zM854 852.667c46 0 84-38 84-84v-512c0-46-38-86-84-86h-598l-170-170v768c0 46 38 84 84 84h684z" />
 <glyph unicode="&#xe0b9;" glyph-name="comment" d="M768 596.667v86h-512v-86h512zM768 468.667v86h-512v-86h512zM768 340.667v86h-512v-86h512zM938 768.667v-768l-170 170h-598c-46 0-84 40-84 86v512c0 46 38 84 84 84h684c46 0 84-38 84-84z" />
@@ -44,6 +48,8 @@
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 <glyph unicode="&#xe409;" glyph-name="navigate_next" d="M426 682.667l256-256-256-256-60 60 196 196-196 196z" />
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diff --git a/files_reader/vendor/icomoon/fonts/icomoon.ttf b/files_reader/vendor/icomoon/fonts/icomoon.ttf
index d1633eff5f74a3aca5ce247054327f3a702467e5..39042dce9feed981415486ba64e055a2ebe8f08f 100644
GIT binary patch
delta 1553
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delta 722
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diff --git a/files_reader/vendor/icomoon/fonts/icomoon.woff b/files_reader/vendor/icomoon/fonts/icomoon.woff
index 8cf9f65eb04cd05bcec9a10a5a28f516a138652b..d31ffc536be0817f902f574a1de592526cee4252 100644
GIT binary patch
delta 1635
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delta 764
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diff --git a/files_reader/vendor/icomoon/style.css b/files_reader/vendor/icomoon/style.css
index c2ad7e0..b8a3251 100644
--- a/files_reader/vendor/icomoon/style.css
+++ b/files_reader/vendor/icomoon/style.css
@@ -1,10 +1,10 @@
 @font-face {
   font-family: 'icomoon';
-  src:  url('fonts/icomoon.eot?jhgf4g');
-  src:  url('fonts/icomoon.eot?jhgf4g#iefix') format('embedded-opentype'),
-    url('fonts/icomoon.ttf?jhgf4g') format('truetype'),
-    url('fonts/icomoon.woff?jhgf4g') format('woff'),
-    url('fonts/icomoon.svg?jhgf4g#icomoon') format('svg');
+  src:  url('fonts/icomoon.eot?gvtfq1');
+  src:  url('fonts/icomoon.eot?gvtfq1#iefix') format('embedded-opentype'),
+    url('fonts/icomoon.ttf?gvtfq1') format('truetype'),
+    url('fonts/icomoon.woff?gvtfq1') format('woff'),
+    url('fonts/icomoon.svg?gvtfq1#icomoon') format('svg');
   font-weight: normal;
   font-style: normal;
 }
@@ -24,7 +24,7 @@
   -moz-osx-font-smoothing: grayscale;
 
   /* slightly bigger icons */
-  font-size: 1.2em;
+    font-size: 1.2em;
 }
 
 .icon-anchor:before {
@@ -297,6 +297,24 @@
 .icon-zoom_out_map:before {
   content: "\e56b";
 }
+.icon-rotate_0:before {
+  content: "\e039";
+}
+.icon-rotate_90:before {
+  content: "\e03a";
+}
+.icon-rotate_180:before {
+  content: "\e03b";
+}
+.icon-rotate_270:before {
+  content: "\e03c";
+}
+.icon-rotate_left:before {
+  content: "\e419";
+}
+.icon-rotate_right:before {
+  content: "\e41a";
+}
 .icon-droplet:before {
   content: "\e90b";
 }
diff --git a/files_reader/vendor/pdfjs/.pdf.reader.js.swp b/files_reader/vendor/pdfjs/.pdf.reader.js.swp
deleted file mode 100644
index bf2f21d7a1385e5bce7c218c66668cf3d711108f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/files_reader/vendor/pdfjs/controllers/.controls_controller.js.swp b/files_reader/vendor/pdfjs/controllers/.controls_controller.js.swp
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diff --git a/files_reader/vendor/pdfjs/controllers/.reader_controller.js.swp b/files_reader/vendor/pdfjs/controllers/.reader_controller.js.swp
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diff --git a/files_reader/vendor/pdfjs/controllers/controls_controller.js b/files_reader/vendor/pdfjs/controllers/controls_controller.js
index 5fbc4c1..1bfe9c4 100644
--- a/files_reader/vendor/pdfjs/controllers/controls_controller.js
+++ b/files_reader/vendor/pdfjs/controllers/controls_controller.js
@@ -18,6 +18,11 @@ PDFJS.reader.ControlsController = function(book) {
         $zoom_icon = $("#zoom_icon"),
         $zoom_options = $("#zoom_options"),
         $zoom_option = $(".zoom_option"),
+        $rotate_icon = $("#rotate_icon"),
+        $rotate_options = $("#rotate_options"),
+        $rotate_option = $(".rotate_option"),
+        $rotate_left = $("#rotate_left"),
+        $rotate_right = $("#rotate_right"),
         $page_num = $("#page_num");
 
     if (reader.isMobile() === true) {
@@ -117,15 +122,18 @@ PDFJS.reader.ControlsController = function(book) {
     */ 
 
     /* custom select, supports icons in drop-down list */
+    // zooooooooooooooom
     $zoom_icon.on("click", function () {
         var offset = $(this).offset();
         console.log(offset);
+        $zoom_options.css("opacity", 0);
+        $zoom_options.toggleClass("hide");
         $zoom_options.css({
-            'left': parseInt(offset.left) + "px",
+            'left': parseInt(offset.left - ($zoom_options.width() / 2)) + "px",
             'top' : parseInt(parseInt(offset.top) + parseInt($zoom_icon.height())) + "px"
         });
 
-        $zoom_options.toggleClass("hide");
+        $zoom_options.css("opacity", "");
     });
 
     $zoom_icon[0].className="";
@@ -148,6 +156,50 @@ PDFJS.reader.ControlsController = function(book) {
         }
         $zoom_options.addClass("hide");
     });
+
+    // rotate
+    $rotate_icon[0].className = "";
+    $rotate_icon[0].className = "icon-rotate_" + settings.rotation;
+
+    $rotate_icon.on("click", function () {
+        var offset = $(this).offset();
+        $rotate_options.css("opacity", 0);
+        $rotate_options.toggleClass("hide");
+        $rotate_options.css({
+            'left': parseInt(offset.left - ($rotate_options.width() / 2)) + "px",
+            'top' : parseInt(parseInt(offset.top) + parseInt($rotate_icon.height())) + "px"
+        });
+
+        $rotate_options.css("opacity", "");
+    });
+
+    $rotate_option.on("click", function () {
+        var $this = $(this);
+        reader.setRotation($this.data("value"));
+        $rotate_icon[0].className="";
+        $rotate_icon[0].textContent = "";
+        if ($this.data("class")) {
+            $rotate_icon.addClass($this.data("class"));
+        } else {
+            $rotate_icon[0].textContent = $this.data("text");
+        }
+        $rotate_options.addClass("hide");
+    });
+
+    $rotate_left.on("click", function () {
+        // add 360 to avoid negative rotation value
+        var rotation = (settings.rotation - 90 + 360) % 360;
+        reader.setRotation(rotation);
+        $rotate_icon[0].className = "";
+        $rotate_icon[0].className = "icon-rotate_" + rotation;
+    });
+
+    $rotate_right.on("click", function () {
+        var rotation = (settings.rotation + 90) % 360;
+        reader.setRotation(rotation);
+        $rotate_icon[0].className = "";
+        $rotate_icon[0].className = "icon-rotate_" + rotation;
+    });
     /* end custom select */
 
     var enterPageNum = function(e) {
diff --git a/files_reader/vendor/pdfjs/controllers/reader_controller.js b/files_reader/vendor/pdfjs/controllers/reader_controller.js
index 9895e50..1a2a2f4 100644
--- a/files_reader/vendor/pdfjs/controllers/reader_controller.js
+++ b/files_reader/vendor/pdfjs/controllers/reader_controller.js
@@ -11,7 +11,9 @@ PDFJS.reader.ReaderController = function(book) {
         $container = $("#container"),
         $fullscreen = $("#fullscreen"),
         $bookmark = $("#bookmark"),
-        $note = $("#note");
+        $note = $("#note"),
+        $rotate_left = $("#rotate_left"),
+        $rotate_right = $("#rotate_right");
 
     var reader = this,
         book = this.book,
@@ -93,9 +95,6 @@ PDFJS.reader.ReaderController = function(book) {
             case 'bookmark':
                 $bookmark.click();
                 break;
-            case 'reflow':
-                $sidebarReflow.click();
-                break;
             case 'toggleTitlebar':
                 reader.ControlsController.toggle();
                 break;
@@ -114,6 +113,15 @@ PDFJS.reader.ReaderController = function(book) {
             case 'toggleDay':
                 $use_custom_colors.click();
                 break;
+            case 'rotateLeft':
+                $rotate_left.click();
+                break;
+            case 'rotateRight':
+                $rotate_right.click();
+                break;
+            case 'toggleZoom':
+                // TODO
+                break;
             default:
                 console.log("unsupported keyCode: " + e.keyCode);
         }
diff --git a/files_reader/vendor/pdfjs/css/.main.css.swp b/files_reader/vendor/pdfjs/css/.main.css.swp
deleted file mode 100644
index a7696842a934943544c67cf7dead3129031a0f3b..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/files_reader/vendor/pdfjs/css/main.css b/files_reader/vendor/pdfjs/css/main.css
index 9ec1b45..5be07dc 100644
--- a/files_reader/vendor/pdfjs/css/main.css
+++ b/files_reader/vendor/pdfjs/css/main.css
@@ -142,33 +142,52 @@ body {
     right: 0;
 }
 
-#zioom_icon {
-	text-align: center;
-	font-family: 'icomoon', 'Helvetica' !important;
-	font-size: 1.2em;
-	speak: none;
-	font-style: normal;
-	font-weight: normal;
-	font-variant: normal;
-	text-transform: none;
-	line-height: 1;
-    border: none;
+#zoom_icon,
+#rotate_icon,
+#rotate_left,
+#rotate_right {
+    padding: 0;
+    border-radius: 0.2em;
+    border: 1px rgba(0,0,0,0) solid;
+    opacity: 0.5;
+    display: inline-block;
+    overflow: hidden;
 }
 
-#zoom_icon {
-    padding: 0 0.5em;
+#zoom_icon:hover,
+#rotate_icon:hover,
+#rotate_left:hover,
+#rotate_right:hover {
+    opacity: .8;
+    border: 1px rgba(0,0,0,.2) solid;
 }
 
-#zoom_options {
+#zoom_icon:active,
+#rotate_icon:active,
+#rotate_left:active,
+#rotate_right:active {
+    opacity: 1;
+    color: rgba(0,0,0,.6);
+    box-shadow: inset 0 0 6px rgba(155,155,155,.8);
+}
+
+#zoom_options,
+#rotate_options {
     font-family: "Lucida Console", "Monospace", "Courier New";
     position: fixed;
     box-shadow: 1px 1px 10px rgba(0, 0, 0, 0.4);
     background-color: white;
     font-size: 1em;
-    padding: 0.2em 0.5em;
+    padding: 0.5em;
 }
 
-.zoom_option:hover {
+.zoom_option,
+.rotate_option {
+    padding: 0.25em;
+}
+
+.zoom_option:hover,
+.rotate_option:hover {
     background: black;
     color: white;
 }
diff --git a/files_reader/vendor/pdfjs/pdf.reader.js b/files_reader/vendor/pdfjs/pdf.reader.js
index 08624ca..8d37bba 100644
--- a/files_reader/vendor/pdfjs/pdf.reader.js
+++ b/files_reader/vendor/pdfjs/pdf.reader.js
@@ -21,37 +21,47 @@ PDFJS.Reader = function(bookPath, _options) {
         search = window.location.search;
 
     var TEXT_RENDER_DELAY = 200,  // ms
-        PAGE_RENDER_DELAY = 200;  // ms
+        PAGE_RENDER_DELAY = 200,  // ms
+        MAX_CANVAS_PIXELS = 5242880,
+        CSS_UNITS = 96.0 / 72.0,
+        MIN_SCALE = 0.25,
+        MAX_SCALE = 10.0,
+        DEFAULT_SCALE = 1;
 
     this.settings = this.defaults(_options || {}, {
         bookPath: bookPath,
         textRenderDelay: TEXT_RENDER_DELAY,
         pageRenderDelay: PAGE_RENDER_DELAY,
-        textSelect: true,   // true || false, add selectable text layer
-        doubleBuffer: true,  // true || false, draw to off-screen canvas
+        canvasLimit: 0,
+        cssZoomOnly: false, // true || false, only zoom using CSS, render document at 100% size
+        textSelect: false,   // true || false, add selectable text layer
+        doubleBuffer: true, // true || false, draw to off-screen canvas
         numPages: 0,
         currentPage: 1,
-        scale: 1,
+        scale: DEFAULT_SCALE,
         oddPageRight: true, // when true, odd pages render on the right side
         zoomLevel: window.outerWidth > window.outerHeight ? "spread" : "fit_page",  // spread, fit_page, fit_width, percentage
+        rotation: 0,    // 0 || 90 || 180 || 270 
         history: true,
         keyboard: {
-            32: 'next', // space
-            34: 'next', // page-down
-            39: 'next', // cursor-right
-            33: 'previous', // page-up
-            37: 'previous', // cursor-left
-            36: 'first', // home
-            35: 'last', // end
-            65: 'annotate', // a
-            66: 'bookmark', // b
-            82: 'reflow', // r
-            83: 'toggleSidebar', // s
-            84: 'toggleTitlebar', // t
-            68: 'toggleDay', // d
-            78: 'toggleNight', // n
+            32: 'next',         // space
+            34: 'next',         // page-down
+            39: 'next',         // cursor-right
+            33: 'previous',     // page-up
+            37: 'previous',     // cursor-left
+            36: 'first',        // home
+            35: 'last',         // end
+            65: 'annotate',     // a
+            66: 'bookmark',     // b
+            76: 'rotateLeft',   // l
+            82: 'rotateRight',  // r
+            90: 'toggleZoom',   // z
+            83: 'toggleSidebar',// s
+            84: 'toggleTitlebar',   // t
+            68: 'toggleDay',    // d
+            78: 'toggleNight',  // n
             70: 'toggleFullscreen', // f
-            27: 'closeSidebar' // esc
+            27: 'closeSidebar'  // esc
         },
         nightMode: false,
         dayMode: false,
@@ -126,6 +136,11 @@ PDFJS.Reader = function(bookPath, _options) {
     this.sideBarOpen = false;
     this.viewerResized = false;
 	this.pageNumPending = null;
+    this.output_scaled = false;
+    this.restricted_scaling = false;
+    this.CSS_UNITS = CSS_UNITS;
+    this.MIN_SCALE = MIN_SCALE;
+    this.MAX_SCALE = MAX_SCALE;
 
  	PDFJS.getDocument(reader.settings.bookPath).then(function(_book) {
 		reader.book = book = _book;
@@ -167,6 +182,15 @@ PDFJS.Reader.prototype.setZoom = function(zoom) {
     reader.queuePage(page);
 };
 
+PDFJS.Reader.prototype.setRotation = function (rotation) {
+
+    var reader = this,
+        page = reader.settings.currentPage;
+
+    reader.settings.rotation = rotation;
+    reader.queuePage(page);
+};
+
 PDFJS.Reader.prototype.cancelRender = function (index) {
 
     var reader = this,
@@ -201,18 +225,24 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
 		outputscale,
         max_view_width,
         max_view_height,
+        page_width,
+        page_height,
         scale_width, 
         scale_height,
         view_aspect,
         document_aspect,
         scale,
+        page_rotation,
+        rotation,
+        initial_viewport,
         viewport,
         zoom,
         fraction,
         offset,
         renderContext,
         renderTask,
-        resourcelst;
+        resourcelst,
+        swap_orientation;
 
     max_view_width = window.innerWidth;
     max_view_height = window.innerHeight;
@@ -232,6 +262,8 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
         index = 0;
         // hide second canvas
         reader.resourcelst[1].canvas.style.display = "none";
+        // clear text layer
+        reader.resourcelst[1].textdiv.innerHTML = "";
 
         // don't try to render non-existing page 0 (which is used
         // to indicate the empty left page when oddPageRight === true)
@@ -267,11 +299,16 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
 
         this.book.getPage(pageNum).then(function(page) {
             //console.log(page);
-            var page_width = page.pageInfo.view[2];
-            var page_height = page.pageInfo.view[3];
+            page_rotation = page.rotate;
+            rotation = (page_rotation + reader.settings.rotation) % 360;
+            //initial_viewport = page.getViewport({scale: 1, rotation: rotation});
+            initial_viewport = page.getViewport(1, rotation);
+            page_width = initial_viewport.width;
+            page_height = initial_viewport.height;
+
             document_aspect = parseFloat(page_width / page_height);
             view_aspect = parseFloat(max_view_width / max_view_height);
-
+            
             scale_height = parseFloat(max_view_height / page_height);
             scale_width = parseFloat(max_view_width / page_width);
 
@@ -284,9 +321,10 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
                 + " v_a: " + view_aspect
                 + " s_w: " + scale_width
                 + " s_h: " + scale_height
+                + " p_r: " + page_rotation
+                + " r: " + rotation
                 + " o: " + outputscale);
-            console.log("fraction: ");
-            console.log(fraction);
+            console.log("fraction: ", fraction);
             */
 
             switch (reader.settings.zoomLevel) {
@@ -330,19 +368,45 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
                 default:
 
                     $viewer.removeClass("flex");
-                    scale = parseFloat(reader.settings.zoomLevel);
+                    scale = parseFloat(reader.settings.zoomLevel * reader.CSS_UNITS);
                     canvas.width = reader.roundToDivide(parseInt(page_width * scale * outputscale), fraction[0]); ;
                     canvas.height = reader.roundToDivide(parseInt(page_height * scale * outputscale), fraction[0]);
                     break;
             }
 
-            //console.log(canvas.width + " " + canvas.height);
+            viewport = initial_viewport.clone({scale: scale, rotation: rotation});
+
+            if (reader.settings.cssZoomOnly) {
+                console.log("css zoom only");
+                var actualSizeViewport = viewport.clone({scale: 1});
+                canvas.width = actualSizeViewport.width;
+                canvas.height = actualSizeViewport.height;
+                outputscale = actualSizeViewport.width / viewport.width;
+                reader.output_scaled = true;
+            } 
+
+            if (reader.settings.canvasLimit > 0) {
+                console.log("canvas is limited");
+                var pixelsInViewport = viewport.width * viewport.height;
+                var maxscale =
+                    Math.sqrt(reader.settings.canvasLimit / pixelsInViewport);
+                if (outputscale > maxscale) {
+                    console.log("outputscale: " + outputscale, "maxscale: " + maxscale);
+                    outputscale = maxscale;
+                    reader.output_scaled = true;
+                    reader.restricted_scaling = true;
+                } else {
+                    reader.restricted_scaling = false;
+                }
+            }
+
+            //console.log("outputscale: " + outputscale);
+            //console.log("canvas w x h: " + canvas.width + " x " + canvas.height);
 
             transform = (outputscale === 1)
                 ? null
                 : [outputscale, 0, 0, outputscale, 0, 0];
 
-            viewport = page.getViewport(scale);
 
             if (outputscale !== 1) {
                 canvas.style.width = reader.roundToDivide(viewport.width, fraction[1]) + 'px';
@@ -361,7 +425,7 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
                     top: offset.top,
                     left: offset.left
                 });
-                page.getTextContent().then(function (textContent) {
+                page.getTextContent({ normalizeWhitespace: true }).then(function (textContent) {
                     resourcelst.textLayer = textLayer = new PDFJS.Reader.TextLayerController({
 						textLayerDiv: textdiv,
 						pageIdx: pageNum - 1,
@@ -413,39 +477,18 @@ PDFJS.Reader.prototype.renderPage = function(pageNum) {
         });
 
     } else {
-        // clear canvas, use maximum size
+        // clear canvas (by resizing it), use maximum size
+        canvas.width = 0;
+        canvas.height = 0;
         canvas.width = reader.roundToDivide(max_view_width * outputscale, fraction[0]);
         canvas.height = reader.roundToDivide(max_view_height * outputscale, fraction[0]);
         if (outputscale !== 1) {
             canvas.style.width = reader.roundToDivide(max_view_width, fraction[1]) + 'px';
             canvas.style.height = reader.roundToDivide(max_view_height, fraction[1]) + 'px';
         }
-        ctx.clearRect(0, 0, canvas.width, canvas.height);
+        // resizing clears canvas so this is not needed...
+        //ctx.clearRect(0, 0, canvas.width, canvas.height);
     }
-
-    /*
-	if (index === 0) {
-
-        if (pageNum > 0) {
-            $page_num.textContent = pageNum.toString();
-        }
-		reader.settings.currentPage = pageNum;
-
-	} else {
-
-        if (pageNum === 1) {
-
-            $page_num.textContent = pageNum.toString();
-
-        } else if (pageNum <= reader.settings.numPages) {
-
-            var text = $page_num.textContent;
-            text += "-" + pageNum.toString();
-            $page_num.textContent = text;
-
-        }
-    }
-    */
 };
 
 PDFJS.Reader.prototype.queuePage = function(page) {
@@ -619,5 +662,15 @@ PDFJS.Reader.prototype.approximateFraction = function (x) {
 };
 
 PDFJS.Reader.prototype.isMobile = function () {
-    return (typeof window.orientation !== "undefined") || (navigator.userAgent.indexOf('IEMobile') !== -1);
+
+    var reader = this;
+
+    var isMobile = (typeof window.orientation !== "undefined") || (navigator.userAgent.indexOf('IEMobile') !== -1);
+
+    if (isMobile) {
+        reader.isMobile = true;
+        reader.canvasLimit = reader.settings.canvasLimit;
+    }
+
+    return isMobile;
 };