#
#  AudioWindow.py
#  SoundFarmer
#
#  Created by Donovan Preston on 8/25/04.
#  Copyright (c) 2004 Ulaluma. All rights reserved.
#

import os
import pickle
from math import sin

import objc
from Carbon import File
from PyObjCTools import NibClassBuilder

from Foundation import *
from AppKit import *


NibClassBuilder.extractClasses("AudioDocument")
class AudioDocument(NibClassBuilder.AutoBaseClass):
    slices = objc.ivar('slices')
    audioFile = None

    _myZoomLevel = 1

    audioView = objc.ivar('audioView')

    def zoomLevel(self):
        return self._myZoomLevel
    zoomLevel = objc.selector(zoomLevel, returnType="i")

    def setZoomLevel_(self, level):
        print "LEVEL", level
        self._myZoomLevel = level
        #self.audioView.setFrameSize_((self.frames() / level, self.audioView.frame()[1]))
        self.audioView.setNeedsDisplay_(True)

    def windowNibName(self):
        return "AudioDocument"

    def writeToFile_ofType_(self, fl, aType):
        return True

    def readFromFile_ofType_(self, fl, aType):
        self.audioFile = objc.lookUpClass('PyAudioFile').alloc().initWithFile_(
            fl)
        audio = NSApp().delegate().audio
        self.audioFile.setOutput_(audio)
        #audio.setDelegate_(self.audioFile)
        audio.setBufferMultiplier_(20)
        audio.setSendPlaybackNeedsRefillNotifications_(True)
        return True

    def frames(self):
        if self.audioFile is None:
            return 0
        return self.audioFile.frames()
    frames = objc.selector(frames, returnType="i")

    def length(self):
        print "LENGTH", self.audioFile
        if self.audioFile is None:
            return 0
        return self.audioFile.length()
    length = objc.selector(length, returnType="i")

    def channels(self):
        print "CHANNELS", self.audioFile
        if self.audioFile is None:
            return 2
        return self.audioFile.channels()
    channels = objc.selector(channels, returnType="i")

    def audio(self):
        return self.audioFile

    def samplesForChannel_start_width_(self, channel, start, width):
        if self.audioFile is None:
            return NSData.dataWithBytes_length_('', 0)
        return self.audioFile


import sys
print sys.version