# Copyright (C) 2008 Valmantas Paliksa <walmis at balticum-tv dot lt>
# Copyright (C) 2008 Tadas Dailyda <tadas at dailyda dot com>
#
# Licensed under the GNU General Public License Version 3
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
# 

import gobject
import gtk

class Animation:
	

	def __init__(self, image, images, rate=1, rev=False):
		self.pixbuffs = []
		self.timer = None
		self.current = 0
		self.image = None
		
		self.image  = image
		self.rate = 1000/rate
			
		for i in range(len(images)):
			self.pixbuffs.append(images[i])
			

		if len(self.pixbuffs) > 2 and rev:
			ln = len(self.pixbuffs)
			for i in range(len(self.pixbuffs)):
				if i != 0 and i != ln-1:
					self.pixbuffs.append(self.pixbuffs[ln -1 - i])
				

			
	def status(self):
		if self.timer:
			return True
		else:
			return False
	
	def get_rate(self):
		return self.rate*1000
	
	def set_rate(self, rate):
		if not self.rate == (1000/rate):
			self.rate = 1000/rate	
			self.stop()
			self.start()
	
	def start(self):
		self.timer = gobject.timeout_add (self.rate, self._animation)
		
	def stop(self):
		if self.timer:
			gobject.source_remove(self.timer)
			self.image.set_from_pixbuf(self.pixbuffs[0])
			self.timer = None
		
	def _animation(self):
		self.current+=1
		if self.current > (len(self.pixbuffs)-1):
			self.current = 0
		if True:
			self.image.set_from_pixbuf(self.pixbuffs[self.current])
			#print "setting " + str(self.current)
		else:
			if self.current != 0:
				#self.image.set_from_pixbuf(self.pixbuffs[0])
				self.current = 0
		
		return 1

