SCREEN_CAPTURE_REQUEST

[premotedroid-server-perl.git] / premotedroid-server.pl

diff --git a/premotedroid-server.pl b/premotedroid-server.pl
index da8c17d..575df68 100755 (executable)
--- a/premotedroid-server.pl
+++ b/premotedroid-server.pl
@@ -36,6 +36,14 @@ use constant SCREEN_CAPTURE_RESPONSE => 7;
 use constant FILE_EXPLORE_REQUEST => 8;
 use constant FILE_EXPLORE_RESPONSE => 9;
 
+open(my $xdo, '|-', 'xdotool -') || die $!;
+select($xdo); $|=1;
+
+my $keysyms = {
+       -1 => 'BackSpace',
+       10 => 'Return',
+};
+
 while ( my $client = $sock->accept() ) {
 
        warn "connect from ", dump $client->peeraddr, $client->peerport;
@@ -45,12 +53,63 @@ while ( my $client = $sock->accept() ) {
                warn "# command: $command\n";
                if ( $command == MOUSE_MOVE ) {
                        read $client, my $move, 4;
-                       my ( $x, $y ) = unpack 'ss', $move;
+                       my ( $x, $y ) = unpack 's>s>', $move; # big-endian 16 bit
                        warn "MOVE $x $y\n";
+                       print $xdo "mousemove_relative -- $x $y\n";
+               } elsif ( $command == MOUSE_CLICK ) {
+                       read $client, my $b, 2;
+                       my ( $button, $state ) = unpack 'cc', $b;
+                       warn "MOUSE_CLICK $button $state\n";
+                       print $xdo 'mouse' . ( $state ? 'down' : 'up' ) . ' ' . $button . "\n";
+               } elsif ( $command == MOUSE_WHEEL ) {
+                       read $client, my $amount, 1;
+                       $amount = unpack 'c', $amount;
+                       warn "MOUSE_WHEEL $amount\n";
+                       print $xdo 'click ' . ( $amount > 0 ? 4 : 5 ) . "\n" foreach ( 1 .. abs($amount) );
                } elsif ( $command == AUTHENTIFICATION ) {
                        my $auth = readUTF $client;
                        warn "AUTHENTIFICATION [$auth]\n";
                        print $client pack 'cc', AUTHENTIFICATION_RESPONSE, 1; # FIXME anything goes
+               } elsif ( $command == KEYBOARD ) {
+                       read $client, my $unicode, 4;
+                       my $key = unpack 'l>', $unicode;
+                       my $command = 'type';
+                       if ( defined $keysyms->{$key} ) {
+                               $key = $keysyms->{$key};
+                               $command = 'key';
+                       } else {
+                               $key = chr($key);
+                               $command = 'key' if $key =~ m/^\w$/;
+                       }
+                       warn uc($command)," $key\n";
+                       print $xdo "$command '$key'\n";
+               } elsif ( $command == SCREEN_CAPTURE_REQUEST ) {
+                       read $client, my $capture_req, 7;
+                       my ( $width, $height, $format ) = unpack 's>s>c', $capture_req;
+                       my $fmt = $format ? 'jpg' : 'png';
+                       warn "SCREEN_CAPTURE_REQUEST $width*$height $format $fmt\n";
+                       my $location = `xdotool getmouselocation`;
+                       warn "# mouse $location\n";
+
+                       my $x = $1 if $location =~ m/x:(\d+)/;
+                       my $y = $1 if $location =~ m/y:(\d+)/;
+
+                       $x -= $width  / 2; $x = 0 if $x < 0;
+                       $y -= $height / 2; $y = 0 if $y < 0;
+
+                       my $file = "/tmp/capture.$fmt";
+                       my $capture = "xwd -root | convert -crop ${width}x${height}+$x+$y xwd:- $file";
+                       # FIXME I wasn't able to persuade import to grab whole screen and disable click
+
+                       warn "# $capture\n";
+                       system $capture;
+
+                       print $client pack('cl>', SCREEN_CAPTURE_RESPONSE, -s $file);
+                       open(my $fh, '<', $file) || die "$file: $!";
+                       while( read $fh, my $chunk, 8192 ) {
+                               print $client $chunk;
+                               warn ">> ",length($chunk), "\n";
+                       }
                } else {
                        die "UNSUPPORTED";
                }