1 | #!/usr/bin/pythonw
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2 | # -*- coding: utf-8 -*-
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3 |
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4 | from appscript import app, k, its, CommandError
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5 | from AppKit import NSApplication, NSApplicationDefined, NSBeep, NSSystemDefined, NSURL, NSWorkspace
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6 | from Foundation import NSDistributedNotificationCenter, NSSearchPathForDirectoriesInDomains, NSCachesDirectory, NSUserDomainMask
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7 | from PyObjCTools import AppHelper
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8 | from Carbon.CarbonEvt import RegisterEventHotKey, GetApplicationEventTarget
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9 | from Carbon.Events import cmdKey, shiftKey, controlKey
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10 | from AudioDevice import default_output_device_is_airplay, set_default_output_device_changed_callback
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11 | import httplib2
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12 | import os
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13 | import struct
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14 | import scrape
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15 | import HotKey
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16 | import tunes # <https://github.com/abarnert/itunesterms>
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17 |
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18 | GROWL_APP_NAME = 'StreamVision'
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19 | NOTIFICATION_TRACK_INFO = 'iTunes Track Info'
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20 | NOTIFICATIONS_ALL = [NOTIFICATION_TRACK_INFO]
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21 |
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22 | kEventHotKeyPressedSubtype = 6
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23 | kEventHotKeyReleasedSubtype = 9
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24 |
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25 | kHIDUsage_Csmr_ScanNextTrack = 0xB5
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26 | kHIDUsage_Csmr_ScanPreviousTrack = 0xB6
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27 | kHIDUsage_Csmr_PlayOrPause = 0xCD
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28 |
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29 | def growlRegister():
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30 | global growl
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31 | growl = app(id='com.Growl.GrowlHelperApp')
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32 |
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33 | growl.register(
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34 | as_application=GROWL_APP_NAME,
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35 | all_notifications=NOTIFICATIONS_ALL,
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36 | default_notifications=NOTIFICATIONS_ALL,
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37 | icon_of_application='iTunes.app')
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38 | # if we leave off the .app, we can get Classic iTunes's icon
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39 |
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40 | def growlNotify(title, description, **kw):
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41 | try:
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42 | if usingStereo:
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43 | description += '\n(AirPlay)'
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44 |
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45 | growl.notify(
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46 | with_name=NOTIFICATION_TRACK_INFO,
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47 | title=title,
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48 | description=description,
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49 | application_name=GROWL_APP_NAME,
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50 | **kw)
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51 | except CommandError:
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52 | growlRegister()
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53 | growlNotify(title, description, **kw)
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54 |
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55 | def radioParadiseURL():
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56 | session = scrape.Session()
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57 | session.go('http://radioparadise.com/jq_playlist.php')
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58 | url = session.region.firsttag('a')['href']
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59 | if not url.startswith('http'):
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60 | url = 'http://www.radioparadise.com/rp2-' + url
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61 | return url
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62 |
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63 | def cleanStreamTitle(title):
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64 | if title == k.missing_value:
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65 | return ''
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66 | title = title.split(' [')[0] # XXX move to description
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67 | try: # incorrectly encoded?
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68 | title = title.encode('iso-8859-1').decode('utf-8')
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69 | except (UnicodeDecodeError, UnicodeEncodeError):
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70 | pass
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71 | title = title.replace('`', u'’')
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72 | return title
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73 |
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74 | def cleanStreamTrackName(name):
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75 | name = name.split('. ')[0]
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76 | name = name.split(': ')[0]
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77 | name = name.split(' - ')
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78 | if len(name) > 1:
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79 | name = ' - '.join(name[:-1])
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80 | else:
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81 | name = name[0]
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82 | return name
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83 |
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84 | def iTunesApp(): return app(id='com.apple.iTunes', terms=tunes)
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85 | def XTensionApp(): return app(creator='SHEx')
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86 | def AmuaApp(): return app('Amua.app')
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87 |
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88 | HAVE_XTENSION = False
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89 | try:
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90 | XTensionApp()
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91 | HAVE_XTENSION = True
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92 | except:
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93 | pass
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94 |
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95 | HAVE_AMUA = False
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96 | try:
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97 | AmuaApp()
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98 | HAVE_AMUA = True
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99 | except:
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100 | pass
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101 |
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102 | needsStereoPowerOn = HAVE_XTENSION
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103 | usingStereo = False
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104 |
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105 | def mayUseStereo():
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106 | if not HAVE_XTENSION:
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107 | return False
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108 | systemEvents = app(id='com.apple.systemEvents')
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109 | iTunesWindow = systemEvents.application_processes[u'iTunes'].windows[u'iTunes']
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110 | # Can't get AirPlay status with iTunes Mini Player or window on other Space.
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111 | try:
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112 | remote_speakers = iTunesWindow.buttons[its.attributes['AXDescription'].value.beginswith(u'AirPlay')].title()
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113 | except CommandError: # window on another Space?
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114 | return usingStereo
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115 | return remote_speakers and remote_speakers[0] not in (None, k.missing_value)
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116 |
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117 | def turnStereoOnOrOff():
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118 | global needsStereoPowerOn, usingStereo
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119 | usingStereo = False
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120 | if not default_output_device_is_airplay() and not mayUseStereo():
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121 | if HAVE_XTENSION and XTensionApp().status('Stereo'):
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122 | XTensionApp().turnoff('Stereo')
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123 | return
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124 | if not XTensionApp().status('Stereo'):
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125 | XTensionApp().turnon('Stereo')
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126 | usingStereo = True
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127 | needsStereoPowerOn = False
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128 |
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129 | def turnStereoOff():
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130 | global needsStereoPowerOn, usingStereo
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131 | usingStereo = False
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132 | if default_output_device_is_airplay() or not mayUseStereo():
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133 | return
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134 | if not needsStereoPowerOn and XTensionApp().status('Stereo'):
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135 | XTensionApp().turnoff('Stereo')
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136 | needsStereoPowerOn = True
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137 |
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138 | def amuaPlaying():
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139 | if not HAVE_AMUA:
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140 | return False
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141 | return AmuaApp().is_playing()
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142 |
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143 | class OneFileCache(object):
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144 | __slots__ = ('key', 'cache')
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145 |
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146 | def __init__(self, cache):
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147 | if not os.path.exists(cache):
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148 | os.makedirs(cache)
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149 | self.cache = os.path.join(cache, 'file')
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150 | self.key = None
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151 |
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152 | def get(self, key):
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153 | if key == self.key:
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154 | return file(self.cache, 'r').read()
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155 |
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156 | def set(self, key, value):
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157 | self.key = key
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158 | file(self.cache, 'w').write(value)
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159 |
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160 | def delete(self, key):
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161 | if key == self.key:
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162 | self.key = None
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163 | os.remove(cache)
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164 |
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165 | class StreamVision(NSApplication):
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166 |
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167 | hotKeyActions = {}
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168 | hotKeys = []
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169 |
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170 | def displayTrackInfo(self, playerInfo=None):
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171 | iTunes = iTunesApp()
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172 |
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173 | try:
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174 | trackClass = iTunes.current_track.class_()
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175 | except CommandError:
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176 | trackClass = k.property
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177 |
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178 | trackName = ''
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179 | if trackClass != k.property:
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180 | trackName = iTunes.current_track.name()
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181 |
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182 | try:
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183 | playerState = iTunes.player_state()
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184 | except CommandError:
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185 | playerState = None # probably iTunes quit
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186 | if playerState != k.playing:
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187 | if playerState != None:
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188 | growlNotify('iTunes is not playing.', trackName)
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189 | turnStereoOff()
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190 | return
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191 | turnStereoOnOrOff()
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192 | if trackClass == k.URL_track:
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193 | if amuaPlaying():
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194 | if playerInfo is None: # Amua displays it itself
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195 | AmuaApp().display_song_information()
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196 | return
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197 | url = iTunes.current_stream_URL()
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198 | kw = {}
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199 | if url != k.missing_value and url.endswith('.jpg'):
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200 | try:
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201 | response, content = self.http.request(url)
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202 | except Exception, e:
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203 | import sys
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204 | print >> sys.stderr, 'Request for album art failed:', e
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205 | else:
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206 | if response['content-type'].startswith('image/'):
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207 | file(self.imagePath, 'w').write(content)
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208 | kw['image_from_location'] = self.imagePath
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209 | growlNotify(cleanStreamTitle(iTunes.current_stream_title()),
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210 | cleanStreamTrackName(trackName), **kw)
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211 | return
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212 | if trackClass == k.property:
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213 | growlNotify('iTunes is playing.', '')
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214 | return
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215 | kw = {}
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216 | # XXX iTunes doesn't let you get artwork for shared tracks
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217 | if trackClass != k.shared_track:
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218 | artwork = iTunes.current_track.artworks()
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219 | if artwork:
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220 | try:
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221 | kw['pictImage'] = artwork[0].data_()
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222 | except CommandError:
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223 | pass
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224 | growlNotify(trackName + ' ' +
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225 | u'★' * (iTunes.current_track.rating() / 20),
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226 | iTunes.current_track.album() + '\n' +
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227 | iTunes.current_track.artist(),
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228 | **kw)
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229 |
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230 | def defaultOutputDeviceChanged(self):
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231 | turnStereoOnOrOff()
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232 | self.displayTrackInfo()
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233 |
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234 | def goToSite(self):
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235 | iTunes = iTunesApp()
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236 | if iTunes.player_state() == k.playing:
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237 | if amuaPlaying():
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238 | AmuaApp().display_album_details()
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239 | return
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240 | url = iTunes.current_stream_URL()
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241 | if url != k.missing_value:
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242 | if 'radioparadise.com' in url and 'review' not in url:
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243 | url = radioParadiseURL()
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244 | NSWorkspace.sharedWorkspace().openURL_(NSURL.URLWithString_(url))
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245 | return
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246 | NSBeep()
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247 |
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248 | def registerHotKey(self, func, keyCode, mods=0):
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249 | hotKeyRef = RegisterEventHotKey(keyCode, mods, (0, 0),
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250 | GetApplicationEventTarget(), 0)
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251 | self.hotKeys.append(hotKeyRef)
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252 | self.hotKeyActions[HotKey.HotKeyAddress(hotKeyRef)] = func
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253 | return hotKeyRef
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254 |
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255 | def unregisterHotKey(self, hotKeyRef):
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256 | self.hotKeys.remove(hotKeyRef)
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257 | del self.hotKeyActions[HotKey.HotKeyAddress(hotKeyRef)]
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258 | hotKeyRef.UnregisterEventHotKey()
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259 |
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260 | def incrementRatingBy(self, increment):
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261 | iTunes = iTunesApp()
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262 | if amuaPlaying():
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263 | if increment < 0:
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264 | AmuaApp().ban_song()
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265 | growlNotify('Banned song.', '', icon_of_application='Amua.app')
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266 | else:
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267 | AmuaApp().love_song()
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268 | growlNotify('Loved song.', '', icon_of_application='Amua.app')
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269 | return
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270 | rating = iTunes.current_track.rating()
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271 | rating += increment
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272 | if rating < 0:
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273 | rating = 0
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274 | NSBeep()
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275 | elif rating > 100:
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276 | rating = 100
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277 | NSBeep()
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278 | iTunes.current_track.rating.set(rating)
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279 |
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280 | def playPause(self, useStereo=True):
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281 | global needsStereoPowerOn
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282 |
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283 | iTunes = iTunesApp()
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284 | was_playing = (iTunes.player_state() == k.playing)
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285 | if not useStereo:
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286 | needsStereoPowerOn = False
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287 | if was_playing and amuaPlaying():
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288 | AmuaApp().stop()
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289 | else:
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290 | iTunes.playpause()
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291 | if not was_playing and iTunes.player_state() == k.stopped:
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292 | # most likely, we're focused on the iPod, so playing does nothing
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293 | iTunes.browser_windows[1].view.set(iTunes.user_playlists[its.name=='Stations'][1]())
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294 | iTunes.play()
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295 | if not useStereo:
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296 | return
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297 | if iTunes.player_state() == k.playing:
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298 | turnStereoOnOrOff()
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299 | else:
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300 | turnStereoOff()
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301 |
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302 | def playPauseFront(self):
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303 | systemEvents = app(id='com.apple.systemEvents')
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304 | frontName = systemEvents.processes[its.frontmost == True][1].name()
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305 | if frontName == 'RealPlayer':
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306 | realPlayer = app(id='com.RealNetworks.RealPlayer')
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307 | if len(realPlayer.players()) > 0:
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308 | if realPlayer.players[1].state() == k.playing:
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309 | realPlayer.pause()
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310 | else:
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311 | realPlayer.play()
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312 | return
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313 | elif frontName == 'VLC':
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314 | app(id='org.videolan.vlc').play() # equivalent to playpause
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315 | else:
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316 | self.playPause(useStereo=False)
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317 |
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318 | def nextTrack(self):
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319 | if amuaPlaying():
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320 | AmuaApp().skip_song()
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321 | return
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322 | iTunesApp().next_track()
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323 |
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324 | def registerZoomWindowHotKey(self):
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325 | self.zoomWindowHotKey = self.registerHotKey(self.zoomWindow, 42, cmdKey | controlKey) # cmd-ctrl-\
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326 |
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327 | def unregisterZoomWindowHotKey(self):
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328 | self.unregisterHotKey(self.zoomWindowHotKey)
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329 | self.zoomWindowHotKey = None
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330 |
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331 | def zoomWindow(self):
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332 | # XXX detect if "enable access for assistive devices" needs to be enabled
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333 | systemEvents = app(id='com.apple.systemEvents')
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334 | frontName = systemEvents.processes[its.frontmost == True][1].name()
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335 | if frontName == 'iTunes':
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336 | systemEvents.processes['iTunes'].menu_bars[1]. \
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337 | menu_bar_items['Window'].menus.menu_items['Zoom'].click()
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338 | return
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339 | elif frontName in ('X11', 'XQuartz', 'Emacs'): # preserve C-M-\
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340 | self.unregisterZoomWindowHotKey()
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341 | systemEvents.key_code(42, using=[k.command_down, k.control_down])
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342 | self.registerZoomWindowHotKey()
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343 | return
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344 | frontPID = systemEvents.processes[its.frontmost == True][1].unix_id()
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345 | try:
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346 | zoomed = app(pid=frontPID).windows[1].zoomed
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347 | zoomed.set(not zoomed())
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348 | except (CommandError, RuntimeError):
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349 | systemEvents.processes[frontName].windows \
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350 | [its.subrole == 'AXStandardWindow'].windows[1]. \
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351 | buttons[its.subrole == 'AXZoomButton'].buttons[1].click()
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352 |
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353 | def finishLaunching(self):
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354 | super(StreamVision, self).finishLaunching()
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355 |
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356 | caches = NSSearchPathForDirectoriesInDomains(NSCachesDirectory,
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357 | NSUserDomainMask, True)[0]
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358 | cache = os.path.join(caches, 'StreamVision')
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359 | self.http = httplib2.Http(OneFileCache(cache), 5)
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360 | self.imagePath = os.path.join(cache, 'image')
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361 |
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362 | self.registerHotKey(self.displayTrackInfo, 100) # F8
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363 | self.registerHotKey(self.goToSite, 100, cmdKey) # cmd-F8
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364 | self.registerHotKey(self.playPause, 101) # F9
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365 | self.registerHotKey(lambda: iTunesApp().previous_track(), 109) # F10
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366 | self.registerHotKey(self.nextTrack, 103) # F11
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367 | self.registerHotKey(lambda: self.incrementRatingBy(-20), 109, shiftKey) # shift-F10
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368 | self.registerHotKey(lambda: self.incrementRatingBy(20), 103, shiftKey) # shift-F11
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369 | self.registerZoomWindowHotKey()
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370 | NSDistributedNotificationCenter.defaultCenter().addObserver_selector_name_object_(self, self.displayTrackInfo, 'com.apple.iTunes.playerInfo', None)
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371 | try:
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372 | import HIDRemote
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373 | HIDRemote.connect()
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374 | except ImportError:
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375 | print "failed to import HIDRemote (XXX fix - on Intel)"
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376 | except OSError, e:
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377 | print "failed to connect to remote: ", e
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378 |
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379 | set_default_output_device_changed_callback(
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380 | self.defaultOutputDeviceChanged)
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381 | turnStereoOnOrOff()
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382 |
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383 | def sendEvent_(self, theEvent):
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384 | eventType = theEvent.type()
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385 | if eventType == NSSystemDefined and \
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386 | theEvent.subtype() == kEventHotKeyPressedSubtype:
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387 | self.hotKeyActions[theEvent.data1()]()
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388 | elif eventType == NSApplicationDefined:
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389 | key = theEvent.data1()
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390 | if key == kHIDUsage_Csmr_ScanNextTrack:
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391 | self.nextTrack()
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392 | elif key == kHIDUsage_Csmr_ScanPreviousTrack:
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393 | iTunesApp().previous_track()
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394 | elif key == kHIDUsage_Csmr_PlayOrPause:
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395 | self.playPauseFront()
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396 | super(StreamVision, self).sendEvent_(theEvent)
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397 |
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398 | if __name__ == "__main__":
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399 | growlRegister()
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400 | AppHelper.runEventLoop()
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401 | try:
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402 | HIDRemote.disconnect()
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403 | except:
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404 | pass
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