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#!/usr/bin/perl -w
use Switch;
use Gtk2 -init;
use Gnome2::VFS -init;
###############################################################################
package Gtk2::CellRendererProgress;
use Glib::Object::Subclass
Gtk2::CellRenderer::,
properties => [
Glib::ParamSpec -> double("progress",
"Progress",
"Are we there, yet?",
0.0, 1.0, 0.0,
[qw(readable writable)])
]
;
use constant x_padding => 2;
use constant y_padding => 3;
sub INIT_INSTANCE {
my ($self) = @_;
$self -> { progress } = 0.0;
}
sub GET_SIZE {
my ($cell, $widget, $cell_area) = @_;
my ($width, $height) = (100, 10);
if (defined($cell_area)) {
$width = $cell_area -> width() - x_padding * 2;
$height = $cell_area -> height() - y_padding * 2;
}
return (0,
0,
$width + x_padding * 2,
$height + y_padding * 2);
}
sub RENDER {
my ($cell, $window, $widget, $background_area, $cell_area, $expose_area, $flags) = @_;
my ($x_offset, $y_offset, $width, $height) = $cell -> GET_SIZE($widget, $cell_area);
if ($cell -> { progress } > 0) {
$widget -> get_style -> paint_box($window,
$flags & "selected" ? "normal" : "prelight",
"out",
$cell_area,
$widget,
undef,
$cell_area -> x() + $x_offset,
$cell_area -> y() + $y_offset,
$width * $cell -> { progress },
$height - 1);
}
}
###############################################################################
package main;
use Cwd qw(cwd);
use constant {
COLUMN_ADDRESS => 0,
COLUMN_STATUS => 1,
COLUMN_PROGRESS => 2
};
my $window = Gtk2::Window -> new("toplevel");
$window -> set_title("Async Downloader");
$window -> set_border_width(5);
$window -> set_default_size(100, 200);
$window -> signal_connect(delete_event => sub { quit(); });
my $vbox = Gtk2::VBox -> new(0, 5);
my $hbox = Gtk2::HBox -> new(0, 5);
my $entry = Gtk2::Entry -> new();
my $button = Gtk2::Button -> new("_Download");
$button -> signal_connect(clicked => sub {
start_new_download($entry -> get_text());
});
$entry -> signal_connect(activate => sub {
$button->clicked;
});
$hbox -> pack_start($entry, 1, 1, 0);
$hbox -> pack_start($button, 0, 0, 0);
$vbox -> pack_start($hbox, 0, 0, 0);
my $model = Gtk2::ListStore -> new(qw(Glib::String Glib::String Glib::Double));
my $view = Gtk2::TreeView -> new($model);
my $column_address =
Gtk2::TreeViewColumn -> new_with_attributes("Address",
Gtk2::CellRendererText -> new(),
text => COLUMN_ADDRESS);
my $column_status =
Gtk2::TreeViewColumn -> new_with_attributes("Status",
Gtk2::CellRendererText -> new(),
text => COLUMN_STATUS);
my $column_progress =
Gtk2::TreeViewColumn -> new_with_attributes("Progress",
Gtk2::CellRendererProgress -> new(),
progress => COLUMN_PROGRESS);
$column_address -> set_sizing("autosize");
$column_status -> set_sizing("autosize");
$view -> append_column($column_address);
$view -> append_column($column_status);
$view -> append_column($column_progress);
$vbox -> pack_start($view, 1, 1, 0);
$window -> add($vbox);
$window -> show_all();
Gtk2 -> main();
###############################################################################
my %iters;
sub start_new_download {
my ($address) = @_;
return unless ($address ne "");
my $source = Gnome2::VFS::URI -> new($address);
my $target = Gnome2::VFS::URI -> new(cwd() . "/" . $source -> extract_short_path_name());
my $source_string = $source -> to_string();
my ($result, $handle) = Gnome2::VFS::Async -> xfer([$source],
[$target],
qw(default),
qw(query),
qw(query),
0,
\&progress_update,
$source_string,
\&progress_sync,
$source_string);
if ($result eq "ok") {
my $iter = $model -> append();
$entry -> set_text("");
$model -> set($iter, COLUMN_ADDRESS, $source_string);
$iters{ $source_string } = $iter; # -> copy();
}
else {
$handle -> cancel();
}
}
sub progress_update {
my ($handle, $info, $source_string) = @_;
my $status;
switch ($info -> { phase }) {
case "phase-completed" { $status = "Completed"; }
case "phase-initial" { $status = "Initializing"; }
case "checking-destination" { $status = "Checking destination"; }
case "phase-collecting" { $status = "Collecting"; }
case "phase-readytogo" { $status = "Ready to go"; }
case "phase-opentarget" { $status = "Opening target"; }
case "phase-copying" { $status = "Copying"; }
else { warn $info -> { phase }; $status = ""; }
}
$model -> set($iters{ $source_string },
COLUMN_STATUS, $status);
if (defined($info -> { file_size }) &&
defined($info -> { bytes_copied }) &&
$info -> { file_size } != 0) {
$model -> set($iters{ $source_string },
COLUMN_PROGRESS,
$info -> { bytes_copied } / $info -> { file_size });
}
}
sub progress_sync {
my ($info) = @_;
if ($info -> { status } eq "ok") {
return 1;
}
elsif ($info -> { status } eq "vfserror") {
warn $info -> { vfs_status };
return "abort";
}
elsif ($info -> { status } eq "overwrite") {
return "abort";
}
return 0;
}
###############################################################################
sub quit {
Gtk2 -> main_quit();
Gnome2::VFS -> shutdown();
}
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