import os
import time
import threading
import twitter
from gi.repository import Gtk, Gdk, GObject

INPUT_TEXT='twitter username'

GLADE_FILE = os.path.join(os.path.dirname( __file__ ), 'layout.glade')

# A worker thread to get twitter data
class WorkerThread(threading.Thread):
    terminate = False
    twitter_username = None
    twitter_text = ''

    def set_buffer(self, buffer):
      self.buffer = buffer

    def run(self):
       while(not self.terminate):
         api = twitter.Api()
         self.twitter_text = ''
         if self.twitter_username != None:
           try:
             for status in api.GetUserTimeline(self.twitter_username):
               self.twitter_text += status.text + "\n"
           except:
             pass
           Gdk.threads_enter()
           self.buffer.set_text(self.twitter_text)
           Gdk.threads_leave()
         time.sleep(5)

# The Main Window
class SyrlugDemoWindow:
    def __init__(self):
       self.builder = Gtk.Builder() 
       self.builder.add_objects_from_file(GLADE_FILE, ["syrlug_demo", "twitter_username", "twitter_text"])
       self.window = self.builder.get_object("syrlug_demo") 
       self.username_input = self.builder.get_object("twitter_username") 

       self.username_input.set_text(INPUT_TEXT)

       self.worker = WorkerThread()
       self.worker.set_buffer(self.builder.get_object("twitter_text").get_buffer());
       self.worker.start()

       self.builder.connect_signals(self)
       self.window.connect("destroy", self.close_window)
       self.window.show()

    def close_window(self, widget):
        self.worker.terminate = True
        Gtk.main_quit()

    def subscribe_button_clicked(self, widget):
        input_text = self.username_input.get_text() 
        if input_text != INPUT_TEXT and input_text != "":
            self.worker.twitter_username = input_text

    def twitter_username_focus_in(self, widget, param):
        if widget.get_text() == INPUT_TEXT:
            widget.set_text("")
            #widget.set_visibility(False)

    def twitter_username_focus_out(self, widget, param):
        if widget.get_text() == "":
            widget.set_text(INPUT_TEXT)
            #widget.set_visibility(True)

if __name__ == "__main__":
    # initialize window
    win = SyrlugDemoWindow()

    # start gtk loop
    Gdk.threads_init()
    GObject.threads_init()
    Gdk.threads_enter()
    Gtk.main()
    Gdk.threads_leave()