source: trunk/StreamVision/StreamVision.py @ 232

Last change on this file since 232 was 232, checked in by Nicholas Riley, 14 years ago

StreamVision?.py: cmd-ctrl-backslash zooms windows in most apps (yeah, this should be somewhere else, but this app was convenient)

File size: 6.1 KB
Line 
1#!/usr/bin/pythonw
2# -*- coding: utf-8 -*-
3
4from appscript import app, k, its, CommandError
5from AppKit import NSApplication, NSBeep, NSSystemDefined, NSURL, NSWorkspace
6from Foundation import NSDistributedNotificationCenter
7from PyObjCTools import AppHelper
8from Carbon.CarbonEvt import RegisterEventHotKey, GetApplicationEventTarget
9from Carbon.Events import cmdKey, shiftKey, controlKey
10import struct
11import scrape
12import HotKey
13
14GROWL_APP_NAME = 'StreamVision'
15NOTIFICATION_TRACK_INFO = 'iTunes Track Info'
16NOTIFICATIONS_ALL = [NOTIFICATION_TRACK_INFO]
17
18kEventHotKeyPressedSubtype = 6
19kEventHotKeyReleasedSubtype = 9
20
21growl = app('GrowlHelperApp')
22
23growl.register(
24    as_application=GROWL_APP_NAME,
25    all_notifications=NOTIFICATIONS_ALL,
26    default_notifications=NOTIFICATIONS_ALL,
27    icon_of_application='iTunes.app')
28    # if we leave off the .app, we can get Classic iTunes's icon
29
30def growlNotify(title, description, **kw):
31    growl.notify(
32        with_name=NOTIFICATION_TRACK_INFO,
33        title=title,
34        description=description,
35        application_name=GROWL_APP_NAME,
36        **kw)
37
38def radioParadiseURL():
39    session = scrape.Session()
40    session.go('http://www2.radioparadise.com/nowplay_b.php')
41    return session.region.firsttag('a')['href']
42
43def cleanStreamTitle(title):
44    if title == k.MissingValue:
45        return ''
46    title = title.split(' [')[0] # XXX move to description
47    title = title.replace('`', u'’')
48    return title
49
50def cleanStreamTrackName(name):
51    name = name.split('. ')[0]
52    name = name.split(': ')[0]
53    name = name.split(' - ')
54    if len(name) > 1:
55        name = ' - '.join(name[:-1])
56    else:
57        name = name[0]
58    return name
59
60def iTunesApp(): return app(id='com.apple.iTunes')
61def XTensionApp(): return app(creator='SHEx')
62
63HAVE_XTENSION = False
64try:
65    XTensionApp()
66    HAVE_XTENSION = True
67except:
68    pass
69
70class StreamVision(NSApplication):
71
72    hotKeyActions = {}
73    hotKeys = []
74
75    def displayTrackInfo(self):
76        iTunes = iTunesApp()
77
78        trackClass = iTunes.current_track.class_.get()
79        trackName = ''
80        if trackClass != k.Property:
81            trackName = iTunes.current_track.name.get()
82
83        if iTunes.player_state.get() != k.playing:
84            growlNotify('iTunes is not playing.', trackName)
85            return
86        if trackClass == k.URL_track:
87            growlNotify(cleanStreamTitle(iTunes.current_stream_title.get()),
88                        cleanStreamTrackName(trackName))
89            return
90        if trackClass == k.Property:
91           growlNotify('iTunes is playing.', '')
92           return
93        kw = {}
94        # XXX iTunes doesn't let you get artwork for shared tracks
95        if trackClass != k.shared_track:
96            artwork = iTunes.current_track.artworks.get()
97            if artwork:
98                kw['pictImage'] = artwork[0].data.get()
99        growlNotify(trackName + '  ' +
100                    '★' * (iTunes.current_track.rating.get() / 20),
101                    iTunes.current_track.album.get() + "\n" +
102                    iTunes.current_track.artist.get(),
103                    **kw)
104
105    def goToSite(self):
106        iTunes = iTunesApp()
107        if iTunes.player_state.get() == k.playing:
108            url = iTunes.current_stream_URL.get()
109            if url:
110                if 'radioparadise.com' in url:
111                    url = radioParadiseURL()
112                NSWorkspace.sharedWorkspace().openURL_(NSURL.URLWithString_(url))
113                return
114        NSBeep()
115
116    def registerHotKey(self, func, keyCode, mods=0):
117        hotKeyRef = RegisterEventHotKey(keyCode, mods, (0, 0),
118                                        GetApplicationEventTarget(), 0)
119        self.hotKeys.append(hotKeyRef)
120        self.hotKeyActions[HotKey.HotKeyAddress(hotKeyRef)] = func
121
122    def incrementRatingBy(self, increment):
123        iTunes = iTunesApp()
124        rating = iTunes.current_track.rating.get()
125        rating += increment
126        if rating < 0:
127            rating = 0
128            NSBeep()
129        elif rating > 100:
130            rating = 100
131            NSBeep()
132        iTunes.current_track.rating.set(rating)
133
134    def playPause(self):
135        iTunes = iTunesApp()
136        iTunes.playpause()
137        if HAVE_XTENSION:
138            if iTunes.player_state.get() == k.playing:
139                XTensionApp().turnon('Stereo')
140            else:
141                XTensionApp().turnoff('Stereo')
142               
143    def zoomWindow(self):
144        systemEvents = app(id='com.apple.systemEvents')
145        frontName = systemEvents.processes.filter(its.frontmost)[1].name()
146        if frontName is 'iTunes':
147            systemEvents.processes['iTunes'].menu_bars[1]. \
148                menu_bar_items['Window'].menus.menu_items['Zoom'].click()
149            return
150        try:
151            zoomed = app(frontName).windows[1].zoomed
152            zoomed.set(not zoomed())
153        except CommandError:
154            systemEvents.processes[frontName].windows. \
155                filter(its.subrole == 'AXStandardWindow').windows[1]. \
156                buttons.filter(its.subrole == 'AXZoomButton').buttons[1].click()
157
158    def finishLaunching(self):
159        super(StreamVision, self).finishLaunching()
160        self.registerHotKey(self.displayTrackInfo, 100) # F8
161        self.registerHotKey(self.goToSite, 100, cmdKey) # cmd-F8
162        self.registerHotKey(self.playPause, 101) # F9
163        self.registerHotKey(lambda: iTunesApp().previous_track(), 109) # F10
164        self.registerHotKey(lambda: iTunesApp().next_track(), 103) # F11
165        self.registerHotKey(lambda: self.incrementRatingBy(-20), 109, shiftKey) # shift-F10
166        self.registerHotKey(lambda: self.incrementRatingBy(20), 103, shiftKey) # shift-F11
167        self.registerHotKey(self.zoomWindow, 42, cmdKey | controlKey) # cmd-ctrl-\
168        NSDistributedNotificationCenter.defaultCenter().addObserver_selector_name_object_(self, self.displayTrackInfo, 'com.apple.iTunes.playerInfo', None)
169
170    def sendEvent_(self, theEvent):
171        if theEvent.type() == NSSystemDefined and \
172               theEvent.subtype() == kEventHotKeyPressedSubtype:
173            self.hotKeyActions[theEvent.data1()]()
174        super(StreamVision, self).sendEvent_(theEvent)
175
176if __name__ == "__main__":
177    AppHelper.runEventLoop()
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