lib/Frey/Web.pm

package Frey::Web;
use Moose::Role;

use Continuity::Widget::DomNode;
use Data::Dump qw/dump/;
use Carp qw/confess/;
use File::Slurp;

has 'head' => (
        is => 'rw',
        isa => 'ArrayRef[Str]',
        default => sub { [ 'static/frey.css' ] },
);

=head2 inline_smaller_than

Inline JavaScript and CSS smaller than this size into page reducing
round-trips to server.

=cut

has 'inline_smaller_than' => (
        is => 'rw',
        isa => 'Int',
        default => 10240,
);

sub dom2html {
#       warn "## dom2html ",dump( @_ );
        return Continuity::Widget::DomNode->create( @_ )->to_string;
}

sub _inline_path {
        my ( $self, $path ) = @_;
        -s $path < $self->inline_smaller_than;
}

sub _head_html {
        my $self = shift;
        my $out = '';
        foreach my $path ( @{ $self->head } ) {
                $path =~ s!^/!!;
                if ( $path =~ m/\.js$/ ) {
                        $out .= $self->_inline_path( $path ) ?
                                qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
                                qq|<script type="text/javascript" src="/$path"></script>|;
                } elsif ( $path =~ m/\.css$/ ) {
                        $out .= $self->_inline_path( $path ) ?
                                qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
                                qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
                } else {
                        confess "don't know how to render $path";
                }
                $out .= "\n";
        }
        return $out;
}

=head2 add_head

  $o->add_head( 'path/to/external.js' );

  my $size = $o->add_head( 'path/to/external.css' );

=cut

sub add_head {
        my ( $self, $path ) = @_;
        return if ! defined $path || $path eq '';
        $path =~ s!^/!!;

        if ( -e $path ) {
                if ( $path =~ m/\.(?:js|css)$/ ) {
                        push @{ $self->head }, $path;
                } else {
                        confess "can't add_head( $path ) it's not js or css";
                }
        } else {
                confess "can't find $path: $!";
        }

        return -s $path;
}

our $reload_counter = 0;


=head2 page

  $self->page(
        title => 'page title',
        head  => '<!-- optional head markup -->',
        body  => '<b>Page Body</b>',
  );

=cut

use Frey::Bookmarklet;
use Frey::ClassBrowser;

sub page {
        my $self = shift;
        my $a = {@_};

        $reload_counter++;

        my $html = qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|
        . $self->_head_html
        . '<title>' . ( $a->{title} || ref($self) ) . '</title>'
        . ( $a->{head} || '' )
        . '</head><body>'
        . ( $a->{body} || '<!-- no body -->' )
        . qq|<div class="frey-status-line">
                <a href="/">Frey</a> $Frey::VERSION
                <a href="?reload=$reload_counter"><code>| . dump( $ENV{'REQUEST_URI'} ) . qq|</code></a>
                <span class="frey-popup">Bookmarklets<span>| . Frey::Bookmarklet->markup . qq|</span></span>
                <span class="frey-popup">ClassBrowser<span>| . Frey::ClassBrowser->markup . qq|</span></span>
                <span class="frey-popup">ENV<span><code>| . dump( %ENV ) . qq|</code></span></span>
                </div>
            </body></html>
        |;

        warn "## >>> page ",length($html), " bytes\n" if $self->debug;

        return $html;
}

sub error {
        my ( $self, $error ) = @_;
        warn $error;
        $error =~ s{\s+(\S+)\s+line\s+(\d+)}{ <a href="/editor$1+$2" target="editor">$1</a> line $2}gsm;
        return qq|<pre class="frey-error">$error</pre>|;
}

1;
1	package Frey::Web;
2	use Moose::Role;
3
4	use Continuity::Widget::DomNode;
5	use Data::Dump qw/dump/;
6	use Carp qw/confess/;
7	use File::Slurp;
8
9	has 'head' => (
10	is => 'rw',
11	isa => 'ArrayRef[Str]',
12	default => sub { [ 'static/frey.css' ] },
13	);
14
15	=head2 inline_smaller_than
16
17	Inline JavaScript and CSS smaller than this size into page reducing
18	round-trips to server.
19
20	=cut
21
22	has 'inline_smaller_than' => (
23	is => 'rw',
24	isa => 'Int',
25	default => 10240,
26	);
27
28	sub dom2html {
29	# warn "## dom2html ",dump( @_ );
30	return Continuity::Widget::DomNode->create( @_ )->to_string;
31	}
32
33	sub _inline_path {
34	my ( $self, $path ) = @_;
35	-s $path < $self->inline_smaller_than;
36	}
37
38	sub _head_html {
39	my $self = shift;
40	my $out = '';
41	foreach my $path ( @{ $self->head } ) {
42	$path =~ s!^/!!;
43	if ( $path =~ m/\.js$/ ) {
44	$out .= $self->_inline_path( $path ) ?
45	qq\|<!-- $path --><script type="text/javascript">\n\| . read_file($path) . qq\|\n</script>\| :
46	qq\|<script type="text/javascript" src="/$path"></script>\|;
47	} elsif ( $path =~ m/\.css$/ ) {
48	$out .= $self->_inline_path( $path ) ?
49	qq\|<!-- $path --><style type="text/css">\n\| . read_file( $path ) . qq\|\n</style>\| :
50	qq\|<link type="text/css" rel="stylesheet" href="/$path" media="screen">\|;
51	} else {
52	confess "don't know how to render $path";
53	}
54	$out .= "\n";
55	}
56	return $out;
57	}
58
59	=head2 add_head
60
61	$o->add_head( 'path/to/external.js' );
62
63	my $size = $o->add_head( 'path/to/external.css' );
64
65	=cut
66
67	sub add_head {
68	my ( $self, $path ) = @_;
69	return if ! defined $path \|\| $path eq '';
70	$path =~ s!^/!!;
71
72	if ( -e $path ) {
73	if ( $path =~ m/\.(?:js\|css)$/ ) {
74	push @{ $self->head }, $path;
75	} else {
76	confess "can't add_head( $path ) it's not js or css";
77	}
78	} else {
79	confess "can't find $path: $!";
80	}
81
82	return -s $path;
83	}
84
85	our $reload_counter = 0;
86
87
88	=head2 page
89
90	$self->page(
91	title => 'page title',
92	head => '<!-- optional head markup -->',
93	body => '<b>Page Body</b>',
94	);
95
96	=cut
97
98	use Frey::Bookmarklet;
99	use Frey::ClassBrowser;
100
101	sub page {
102	my $self = shift;
103	my $a = {@_};
104
105	$reload_counter++;
106
107	my $html = qq\|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>\|
108	. $self->_head_html
109	. '<title>' . ( $a->{title} \|\| ref($self) ) . '</title>'
110	. ( $a->{head} \|\| '' )
111	. '</head><body>'
112	. ( $a->{body} \|\| '<!-- no body -->' )
113	. qq\|<div class="frey-status-line">
114	<a href="/">Frey</a> $Frey::VERSION
115	<a href="?reload=$reload_counter"><code>\| . dump( $ENV{'REQUEST_URI'} ) . qq\|</code></a>
116	<span class="frey-popup">Bookmarklets<span>\| . Frey::Bookmarklet->markup . qq\|</span></span>
117	<span class="frey-popup">ClassBrowser<span>\| . Frey::ClassBrowser->markup . qq\|</span></span>
118	<span class="frey-popup">ENV<span><code>\| . dump( %ENV ) . qq\|</code></span></span>
119	</div>
120	</body></html>
121	\|;
122
123	warn "## >>> page ",length($html), " bytes\n" if $self->debug;
124
125	return $html;
126	}
127
128	sub error {
129	my ( $self, $error ) = @_;
130	warn $error;
131	$error =~ s{\s+(\S+)\s+line\s+(\d+)}{ <a href="/editor$1+$2" target="editor">$1</a> line $2}gsm;
132	return qq\|<pre class="frey-error">$error</pre>\|;
133	}
134
135	1;