/[Frey]/branches/zimbardo/lib/Frey/Web.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /branches/zimbardo/lib/Frey/Web.pm

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Revision 407 - (show annotations)
Tue Nov 18 12:02:57 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 3956 byte(s)
platform-specific editor stuff is not in Frey::Editor
1 package Frey::Web;
2 use Moose::Role;
3
4 #with 'Frey::Escape';
5
6 use Frey::Types;
7
8 use Continuity::Widget::DomNode;
9 use Data::Dump qw/dump/;
10 use Carp qw/confess/;
11 use File::Slurp;
12
13 has 'head' => (
14 is => 'rw',
15 isa => 'ArrayRef[Str]',
16 default => sub { [ 'static/frey.css' ] },
17 );
18
19 has 'status' => (
20 is => 'rw',
21 isa => 'ArrayRef[HashRef[Str]]',
22 lazy => 1,
23 default => sub { [
24 { 'Bookmarklets' => Frey::Bookmarklet->markup },
25 { 'ClassBrowser' => Frey::ClassBrowser->markup },
26 ] },
27 );
28
29 has 'request_url' => (
30 is => 'rw',
31 isa => 'Uri', coerce => 1,
32 default => '/',
33 );
34
35 =head2 inline_smaller_than
36
37 Inline JavaScript and CSS smaller than this size into page reducing
38 round-trips to server.
39
40 =cut
41
42 has 'inline_smaller_than' => (
43 is => 'rw',
44 isa => 'Int',
45 default => 10240,
46 );
47
48 sub dom2html {
49 # warn "## dom2html ",dump( @_ );
50 return Continuity::Widget::DomNode->create( @_ )->to_string;
51 }
52
53 sub _inline_path {
54 my ( $self, $path ) = @_;
55 -s $path < $self->inline_smaller_than;
56 }
57
58 sub _head_html {
59 my $self = shift;
60 my $out = '';
61 foreach my $path ( @{ $self->head } ) {
62 $path =~ s!^/!!;
63 if ( $path =~ m/\.js$/ ) {
64 $out .= $self->_inline_path( $path ) ?
65 qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
66 qq|<script type="text/javascript" src="/$path"></script>|;
67 } elsif ( $path =~ m/\.css$/ ) {
68 $out .= $self->_inline_path( $path ) ?
69 qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
70 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
71 } else {
72 confess "don't know how to render $path";
73 }
74 $out .= "\n";
75 }
76 return $out;
77 }
78
79 =head2 add_head
80
81 $o->add_head( 'path/to/external.js' );
82
83 my $size = $o->add_head( 'path/to/external.css' );
84
85 =cut
86
87 sub add_head {
88 my ( $self, $path ) = @_;
89 return if ! defined $path || $path eq '';
90 $path =~ s!^/!!;
91
92 if ( -e $path ) {
93 if ( $path =~ m/\.(?:js|css)$/ ) {
94 push @{ $self->head }, $path;
95 } else {
96 confess "can't add_head( $path ) it's not js or css";
97 }
98 } else {
99 confess "can't find $path: $!";
100 }
101
102 return -s $path;
103 }
104
105 our $reload_counter = 0;
106
107
108 =head2 page
109
110 $self->page(
111 title => 'page title',
112 head => '<!-- optional head markup -->',
113 body => '<b>Page Body</b>',
114 );
115
116 =cut
117
118 use Frey::Bookmarklet;
119 use Frey::ClassBrowser;
120
121 sub page {
122 my $self = shift;
123 my $a = {@_};
124
125 $reload_counter++;
126
127 my $status_line = '';
128 foreach my $part ( @{ $self->status } ) {
129 confess "part not hash ",dump( $part ) unless ref($part) eq 'HASH';
130 foreach my $name ( keys %$part ) {
131 my $content = $part->{$name};
132 if ( ref($content) ) {
133 $content = '<code>' . dump($content) . '</code>';
134 my $l = length($content);
135 $content = qq|<span>$l bytes</span>| if $l > 1024;
136 } else {
137 $content = qq|<span>$content</span>|;
138 }
139 warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
140 $status_line .= qq|<span class="frey-popup">$name $content</span>\n|;
141 }
142 }
143
144 my $html = join("\n",
145 qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
146 $self->_head_html,
147 '<title>' . ( $a->{title} || ref($self) ) . '</title>',
148 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
149 ( $a->{head} || '' ),
150 '</head><body>',
151 ( $a->{body} || '<!-- no body -->' ),
152 qq|
153 <div class="frey-status-line">
154 <a href="/">Frey</a> $Frey::VERSION
155 <a href="?reload=$reload_counter"><code>| . $self->request_url . qq|</code></a>
156 $status_line
157 </div>
158 </body></html>
159 |,
160 );
161
162 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
163
164 return $html;
165 }
166
167 sub error {
168 my $self = shift;
169 my $error = join(" ", @_);
170 my ($package, $filename, $line) = caller;
171 $error .= " at $filename line $line" if $error !~ m{ at };
172 warn "WARN: $error\n";
173 $error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
174 return qq|<pre class="frey-error">$error</pre>|;
175 }
176
177 1;

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