# Gem::StreamUI implements a simple stream based user interface.

class Gem::StreamUI

extend Gem::Deprecate

##

# An absolutely silent progress reporter.

class SilentProgressReporter

##

# The count of items is never updated for the silent progress reporter.

def done

end

end

##

# A basic dotted progress reporter.

class SimpleProgressReporter

include Gem::DefaultUserInteraction

##

def done

@out.puts "\n#{@terminal_message}"

end

end

##

# A progress reporter that prints out messages about the current progress.

class VerboseProgressReporter

include Gem::DefaultUserInteraction

##

def done

@out.puts @terminal_message

end

end

##

# An absolutely silent download reporter.

class SilentDownloadReporter

##

# The silent download reporter ignores all arguments

def done

end

end

##

# A progress reporter that behaves nicely with threaded downloading.

class ThreadedDownloadReporter

MUTEX = Mutex.new

##

@out.puts message

end

end

end

end

##

# STDOUT, and STDERR.

class Gem::ConsoleUI < Gem::StreamUI

##

# The Console UI has no arguments as it defaults to reading input from

# stdin, output to stdout and warnings or errors to stderr.

def initialize

super STDIN, STDOUT, STDERR, true

end

end

##

# SilentUI is a UI choice that is absolutely silent.

class Gem::SilentUI < Gem::StreamUI

##

# The SilentUI has no arguments as it does not use any stream.

def progress_reporter(*args) # :nodoc:

SilentProgressReporter.new(@outs, *args)

end

end