gistfile1.txt

#!/usr/bin/env ruby
#twitter-translate - demoapp for droidcon
$LOAD_PATH << '/sdcard/lib'

require 'net/http'
require 'json/pure'
require 'cgi'

SEARCH   = "#droidcon" unless defined?(SEARCH)
LANGUAGE = 'fr' unless defined?(LANGUAGE)

class Twitter
  #http://apiwiki.twitter.com/Twitter-Search-API-Method:-search
  def self.search(what)
    JSON.parse(
      Net::HTTP.get(
        URI.parse("http://search.twitter.com/search.json?q=#{CGI.escape(what)}"))
    )
  end
end

class Translator
  @headers = {
    'user-agent' => 'Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_4; en-US) ' +
                    'AppleWebKit/534.10 (KHTML, like Gecko) Chrome/8.0.552.11',
    'referer' =>    'http://translate.google.com/'
  }

  def self.translate(text, tl)
    url = "http://translate.google.com/translate_a/t?client=t&text=#{CGI.escape(text)}&hl=en&sl=auto&tl=#{tl}"
    uri = URI.parse(url)
    http = Net::HTTP.new(uri.host, uri.port)
    request =  Net::HTTP::Get.new(uri.request_uri)
    @headers.each { |h,v| request[h] = v }
    result = http.request(request).body
    if result =~ /\[\[\["([^"]+)"/
      $1
    else
      nil
    end
  end
end

def search_and_translate(what, tl)
  if results = Twitter.search(what)['results']
    results.each do |r|
      original = "#{r['from_user']}: #{r['text']}"
      yield original, Translator.translate(original, tl) if block_given?
    end
  end
  nil
end

# executed on commandline?
if __FILE__ == $0
  search_and_translate(SEARCH, LANGUAGE) do |original, translated|
    puts original
    puts translated
    puts "-" * 80
  end

# executed on android?
elsif defined?($activity)
  require "ruboto.rb"
  confirm_ruboto_version(4)
  ruboto_import_widgets :LinearLayout, :ScrollView

  $activity.start_ruboto_activity "$tl" do
    setTitle "TwittterTranslate #{SEARCH} => #{LANGUAGE}"

    @translations = {}
    setup_content do
      scroll_view do
        linear_layout(:orientation => LinearLayout::VERTICAL) do
          search_and_translate(SEARCH, LANGUAGE) do |original, translated|
            @translations[translated] = original
            button :text => translated
          end
        end
      end
    end

    handle_click do |view|
      toast @translations[view.getText]
    end
  end
end