import os
from Carbon import Qd
from Carbon import Win
from Carbon import Qt, QuickTime
import W
from Carbon import File
from Carbon import Evt, Events

_moviesinitialized = 0

def EnterMovies():
	global _moviesinitialized
	if not _moviesinitialized:
		Qt.EnterMovies()
		_moviesinitialized = 1

class Movie(W.Widget):
	
	def __init__(self, possize):
		EnterMovies()
		self.movie = None
		self.running = 0
		W.Widget.__init__(self, possize)
	
	def adjust(self, oldbounds):
		self.SetPort()
		self.GetWindow().InvalWindowRect(oldbounds)
		self.GetWindow().InvalWindowRect(self._bounds)
		self.calcmoviebox()
	
	def set(self, path_or_fss, start = 0):
		self.SetPort()
		if self.movie:
			#self.GetWindow().InvalWindowRect(self.movie.GetMovieBox())
			Qd.PaintRect(self.movie.GetMovieBox())
		path = File.pathname(path)
		self.movietitle = os.path.basename(path)
		movieResRef = Qt.OpenMovieFile(path_or_fss, 1)
		self.movie, dummy, dummy = Qt.NewMovieFromFile(movieResRef, 0, QuickTime.newMovieActive)
		self.moviebox = self.movie.GetMovieBox()
		self.calcmoviebox()
		Qd.ObscureCursor()	# XXX does this work at all?
		self.movie.GoToBeginningOfMovie()
		if start:
			self.movie.StartMovie()
			self.running = 1
		else:
			self.running = 0
			self.movie.MoviesTask(0)
	
	def get(self):
		return self.movie
	
	def getmovietitle(self):
		return self.movietitle
	
	def start(self):
		if self.movie:
			Qd.ObscureCursor()
			self.movie.StartMovie()
			self.running = 1
	
	def stop(self):
		if self.movie:
			self.movie.StopMovie()
			self.running = 0
	
	def rewind(self):
		if self.movie:
			self.movie.GoToBeginningOfMovie()
	
	def calcmoviebox(self):
		if not self.movie:
			return
		ml, mt, mr, mb = self.moviebox
		wl, wt, wr, wb = widgetbox = self._bounds
		mheight = mb - mt
		mwidth = mr - ml
		wheight = wb - wt
		wwidth = wr - wl
		if (mheight * 2 < wheight) and (mwidth * 2 < wwidth):
			scale = 2
		elif mheight > wheight or mwidth > wwidth:
			scale = min(float(wheight) / mheight, float(wwidth) / mwidth)
		else:
			scale = 1
		mwidth, mheight = mwidth * scale, mheight * scale
		ml, mt = wl + (wwidth - mwidth) / 2, wt + (wheight - mheight) / 2
		mr, mb = ml + mwidth, mt + mheight
		self.movie.SetMovieBox((ml, mt, mr, mb))
	
	def idle(self, *args):
		if self.movie:
			if not self.movie.IsMovieDone() and self.running:
				Qd.ObscureCursor()
				while 1:
					self.movie.MoviesTask(0)
					gotone, event = Evt.EventAvail(Events.everyEvent)
					if gotone or self.movie.IsMovieDone():
						break
			elif self.running:
				box = self.movie.GetMovieBox()
				self.SetPort()
				self.GetWindow().InvalWindowRect(box)
				self.movie = None
				self.running = 0
	
	def draw(self, visRgn = None):
		if self._visible:
			Qd.PaintRect(self._bounds)
			if self.movie:
				self.movie.UpdateMovie()
				self.movie.MoviesTask(0)

