use URI::Escape;
use Plack::Request;
use Data::Dump qw(dump);
-use File::Path qw(make_path);
+use File::Path;
use Graphics::Magick;
+use File::Slurp;
+use Image::Size;
+use JSON;
+use Time::Piece ();
+use Time::Seconds 'ONE_YEAR';
+
+sub make_basedir {
+ my $path = shift;
+ return if -e $path;
+ $path =~ s{/[^/]+$}{} || die "no dir/file in $path";
+ File::Path::make_path $path;
+}
# Stolen from rack/directory.rb
my $dir_file = "<tr><td class='name'><a href='%s'>%s</a></td><td class='size'>%s</td><td class='type'>%s</td><td class='mtime'>%s</td></tr>";
</body></html>
PAGE
+my $reader_page = <<'PAGE';
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
+<html>
+<head>
+ <title>%s</title>
+
+ <link rel="stylesheet" type="text/css" href="/BookReader/BookReader.css"/>
+ <script type="text/javascript" src="http://www.archive.org/includes/jquery-1.4.2.min.js"></script>
+ <script type="text/javascript" src="http://www.archive.org/bookreader/jquery-ui-1.8.5.custom.min.js"></script>
+
+ <script type="text/javascript" src="http://www.archive.org/bookreader/dragscrollable.js"></script>
+ <script type="text/javascript" src="http://www.archive.org/bookreader/jquery.colorbox-min.js"></script>
+ <script type="text/javascript" src="http://www.archive.org/bookreader/jquery.ui.ipad.js"></script>
+ <script type="text/javascript" src="http://www.archive.org/bookreader/jquery.bt.min.js"></script>
+
+ <script type="text/javascript" src="/BookReader/BookReader.js"></script>
+
+<style type="text/css">
+
+/* Hide print and embed functionality */
+#BRtoolbar .embed, .print {
+ display: none;
+}
+
+</style>
+
+<script type="text/javascript">
+$(document).ready( function() {
+
+//
+// This file shows the minimum you need to provide to BookReader to display a book
+//
+// Copyright(c)2008-2009 Internet Archive. Software license AGPL version 3.
+
+// Create the BookReader object
+var br = new BookReader();
+
+var pages = %s;
+
+// Return the width of a given page. Here we assume all images are 800 pixels wide
+br.getPageWidth = function(index) {
+ if ( ! pages[index] ) return;
+ return parseInt( pages[index][1] );
+}
+
+// Return the height of a given page. Here we assume all images are 1200 pixels high
+br.getPageHeight = function(index) {
+ if ( ! pages[index] ) return;
+ return parseInt( pages[index][2] );
+}
+
+// We load the images from archive.org -- you can modify this function to retrieve images
+// using a different URL structure
+br.getPageURI = function(index, reduce, rotate) {
+ // reduce and rotate are ignored in this simple implementation, but we
+ // could e.g. look at reduce and load images from a different directory
+ // or pass the information to an image server
+ var url = pages[index][0] + '?reduce='+reduce;
+ console.debug('getPageURI', index, reduce, rotate, url);
+ return url;
+}
+
+// Return which side, left or right, that a given page should be displayed on
+br.getPageSide = function(index) {
+ if (0 == (index & 0x1)) {
+ return 'R';
+ } else {
+ return 'L';
+ }
+}
+
+// This function returns the left and right indices for the user-visible
+// spread that contains the given index. The return values may be
+// null if there is no facing page or the index is invalid.
+br.getSpreadIndices = function(pindex) {
+ var spreadIndices = [null, null];
+ if ('rl' == this.pageProgression) {
+ // Right to Left
+ if (this.getPageSide(pindex) == 'R') {
+ spreadIndices[1] = pindex;
+ spreadIndices[0] = pindex + 1;
+ } else {
+ // Given index was LHS
+ spreadIndices[0] = pindex;
+ spreadIndices[1] = pindex - 1;
+ }
+ } else {
+ // Left to right
+ if (this.getPageSide(pindex) == 'L') {
+ spreadIndices[0] = pindex;
+ spreadIndices[1] = pindex + 1;
+ } else {
+ // Given index was RHS
+ spreadIndices[1] = pindex;
+ spreadIndices[0] = pindex - 1;
+ }
+ }
+
+ return spreadIndices;
+}
+
+// For a given "accessible page index" return the page number in the book.
+//
+// For example, index 5 might correspond to "Page 1" if there is front matter such
+// as a title page and table of contents.
+br.getPageNum = function(index) {
+ return index+1;
+}
+
+// Total number of leafs
+br.numLeafs = pages.length;
+
+// Book title and the URL used for the book title link
+br.bookTitle= 'Open Library BookReader Presentation';
+br.bookUrl = 'http://openlibrary.org';
+
+// Override the path used to find UI images
+br.imagesBaseURL = '/BookReader/images/';
+
+br.getEmbedCode = function(frameWidth, frameHeight, viewParams) {
+ return "Embed code not supported in bookreader demo.";
+}
+
+// Let's go!
+br.init();
+
+// read-aloud and search need backend compenents and are not supported in the demo
+$('#BRtoolbar').find('.read').hide();
+$('#textSrch').hide();
+$('#btnSrch').hide();
+
+} );
+</script>
+
+</head>
+<body style="background-color: ##939598;">
+
+<div id="BookReader">
+ Internet Archive BookReader<br/>
+
+ <noscript>
+ <p>
+ The BookReader requires JavaScript to be enabled. Please check that your browser supports JavaScript and that it is enabled in the browser settings.
+ </p>
+ </noscript>
+</div>
+
+
+</body>
+</html>
+PAGE
+
sub should_handle {
my($self, $file) = @_;
return -d $file || -f $file;
sub serve_path {
my($self, $env, $path, $fullpath) = @_;
+ my $req = Plack::Request->new($env);
+
if (-f $path) {
- my $req = Plack::Request->new($env);
if ( my $reduce = $req->param('reduce') ) {
$reduce = int($reduce); # BookReader javascript somethimes returns float
- warn "# -scale 1/$reduce $path\n";
+ warn "# reduce $reduce $path\n";
my $cache_path = "cache/$path.reduce.$reduce.jpg";
if ( $reduce <= 1 ) {
width => $w / $reduce,
height => $h / $reduce
);
+ make_basedir $cache_path;
$image->Write( filename => $cache_path );
warn "# created $cache_path ", -s $cache_path, " bytes\n";
}
}
my $dir = Plack::Util::encode_html( $env->{PATH_INFO} );
- my $files = join "\n", map {
- my $f = $_;
- sprintf $dir_file, map Plack::Util::encode_html($_), @$f;
- } @files;
-
- my $meta = {
- page_urls => [ map { "$dir_url/$_" } sort { $a <=> $b } @page_files ],
- };
- my $page = sprintf $dir_page, $dir, $dir, $files, dump( $meta );
+ my $page = 'empty';
+
+ if ( $req->param('bookreader') ) {
+
+ my $pages;
+ my $pages_path = "cache/$dir_url/bookreader.json";
+ if ( 0 && -e $pages_path ) {
+ $pages = decode_json read_file $pages_path;
+ } else {
+ $pages = [
+ map {
+ my ( $w, $h ) = imgsize("$path/$_");
+ $w && $h ? [ "$dir_url/$_", $w, $h ] : []
+ } sort { $a <=> $b } @page_files
+ ];
+ make_basedir $pages_path;
+ write_file $pages_path => encode_json( $pages );
+ warn "# created $pages_path ", -s $pages_path, " bytes\n";
+ }
+ warn "# pages = ",dump($pages);
+ $page = sprintf $reader_page, $dir, encode_json( $pages );
+
+ } else {
+
+ my $files = join "\n", map {
+ my $f = $_;
+ sprintf $dir_file, map Plack::Util::encode_html($_), @$f;
+ } @files;
+
+ $page = sprintf $dir_page, $dir, $dir, $files;
+
+ }
return [ 200, ['Content-Type' => 'text/html; charset=utf-8'], [ $page ] ];
}
projects / bookreader.git / commitdiff