Merge branch 'master' of fraxinas@git.opendreambox.org:/git/enigma2
[enigma2.git] / lib / python / Plugins / Extensions / DVDBurn / DVDToolbox.py
1 from Screens.Screen import Screen
2 from Screens.MessageBox import MessageBox
3 from Screens.HelpMenu import HelpableScreen
4 from Components.ActionMap import HelpableActionMap, ActionMap
5 from Components.Sources.List import List
6 from Components.Sources.StaticText import StaticText
7 from Components.Sources.Progress import Progress
8 from Components.Task import Task, Job, job_manager, Condition
9 from Components.ScrollLabel import ScrollLabel
10 from Components.Harddisk import harddiskmanager
11 from Components.Console import Console
12 from Plugins.SystemPlugins.Hotplug.plugin import hotplugNotifier
13
14 class DVDToolbox(Screen):
15         skin = """
16                 <screen position="90,83" size="560,445" title="DVD media toolbox" >
17                     <ePixmap pixmap="skin_default/buttons/red.png" position="0,0" size="140,40" alphatest="on" />
18                     <ePixmap pixmap="skin_default/buttons/green.png" position="140,0" size="140,40" alphatest="on" />
19                     <ePixmap pixmap="skin_default/buttons/yellow.png" position="280,0" size="140,40" alphatest="on" />
20                     <ePixmap pixmap="skin_default/buttons/blue.png" position="420,0" size="140,40" alphatest="on" />
21                     <widget source="key_red" render="Label" position="0,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#9f1313" transparent="1" />
22                     <widget source="key_green" render="Label" position="140,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#1f771f" transparent="1" />
23                     <widget source="key_yellow" render="Label" position="280,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#a08500" transparent="1" />
24                     <widget source="key_blue" render="Label" position="420,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#18188b" transparent="1" />
25                     <widget source="info" render="Label" position="20,60" size="520,100" font="Regular;20" />
26                     <widget name="details" position="20,200" size="520,200" font="Regular;16" />
27                     <widget source="space_bar" render="Progress" position="10,410" size="540,26" borderWidth="1" backgroundColor="#254f7497" />
28                     <widget source="space_label" render="Label" position="20,414" size="520,22" zPosition="2" font="Regular;18" halign="center" transparent="1" foregroundColor="#000000" />
29                 </screen>"""
30
31         def __init__(self, session):
32                 Screen.__init__(self, session)
33                 
34                 self["key_red"] = StaticText(_("Exit"))
35                 self["key_green"] = StaticText(_("Update"))
36                 self["key_yellow"] = StaticText()
37                 self["key_blue"] = StaticText()
38                 
39                 self["space_label"] = StaticText()
40                 self["space_bar"] = Progress()
41                 
42                 self.mediuminfo = [ ]
43                 self.formattable = False
44                 self["details"] = ScrollLabel()
45                 self["info"] = StaticText()
46
47                 self["toolboxactions"] = ActionMap(["ColorActions", "DVDToolbox", "OkCancelActions"],
48                 {
49                     "red": self.exit,
50                     "green": self.update,
51                     "yellow": self.format,
52                     #"blue": self.eject,
53                     "cancel": self.exit,
54                     "pageUp": self.pageUp,
55                     "pageDown": self.pageDown
56                 })
57                 self.update()
58                 hotplugNotifier.append(self.update)
59                 
60         def pageUp(self):
61                 self["details"].pageUp()
62
63         def pageDown(self):
64                 self["details"].pageDown()
65
66         def update(self, dev="", action=""):
67                 self["space_label"].text = _("Please wait... Loading list...")
68                 self["info"].text = ""
69                 self["details"].setText("")
70                 self.Console = Console()
71                 cmd = "/bin/dvd+rw-mediainfo /dev/" + harddiskmanager.getCD()
72                 self.Console.ePopen(cmd, self.mediainfoCB)
73
74         def format(self):
75                 if self.formattable:
76                         job = DVDformatJob(self)
77                         job_manager.AddJob(job)
78                         from Screens.TaskView import JobView
79                         self.session.openWithCallback(self.formatCB, JobView, job)
80         
81         def formatCB(self, in_background):
82                 self.update()
83
84         def mediainfoCB(self, mediuminfo, retval, extra_args):
85                 capacity = 1
86                 used = 0
87                 infotext = ""
88                 mediatype = ""
89                 for line in mediuminfo.splitlines():
90                         if line.find("Mounted Media:") > -1:
91                                 mediatype = line.rsplit(',',1)[1][1:]
92                                 if mediatype.find("RW") > 0 or mediatype.find("RAM") > 0:
93                                         self.formattable = True
94                                 else:
95                                         self.formattable = False
96                         if line.find("Legacy lead-out at:") > -1:
97                                 used = int(line.rsplit('=',1)[1]) / 1048576.0
98                                 print "[lead out] used =", used
99                         elif line.find("formatted:") > -1:
100                                 capacity = int(line.rsplit('=',1)[1]) / 1048576.0
101                                 print "[formatted] capacity =", capacity
102                         elif capacity == 1 and line.find("READ CAPACITY:") > -1:
103                                 capacity = int(line.rsplit('=',1)[1]) / 1048576.0
104                                 print "[READ CAP] capacity =", capacity
105                         elif line.find("Disc status:") > -1:
106                                 if line.find("blank") > -1:
107                                         print "[Disc status] capacity=%d, used=0" % (capacity)
108                                         capacity = used
109                                         used = 0
110                         elif line.find("Free Blocks:") > -1:
111                                 try:
112                                         size = eval(line[14:].replace("KB","*1024"))
113                                 except:
114                                         size = 0
115                                 if size > 0:
116                                         capacity = size / 1048576
117                                         if used:
118                                                 used = capacity-used
119                                         print "[free blocks] capacity=%d, used=%d" % (capacity, used)
120                         infotext += line+'\n'
121                 self["details"].setText(infotext)
122                 if self.formattable:
123                         self["key_yellow"].text = _("Format")
124                 else:
125                         self["key_yellow"].text = ""
126                 percent = 100 * used / (capacity or 1)
127                 if capacity > 4600:
128                         self["space_label"].text = "%d / %d MB" % (used, capacity) + " (%.2f%% " % percent + _("of a DUAL layer medium used.") + ")"
129                         self["space_bar"].value = int(percent)
130                 elif capacity > 1:
131                         self["space_label"].text = "%d / %d MB" % (used, capacity) + " (%.2f%% " % percent + _("of a SINGLE layer medium used.") + ")"
132                         self["space_bar"].value = int(percent)
133                 elif capacity == 1 and used > 0:
134                         self["space_label"].text = "%d MB " % (used) + _("on READ ONLY medium.")
135                         self["space_bar"].value = int(percent)
136                 else:
137                         self["space_label"].text = _("Medium is not a writeable DVD!")
138                         self["space_bar"].value = 0
139                 free = capacity-used
140                 if free < 2:
141                         free = 0
142                 self["info"].text = "Media-Type:\t\t%s\nFree capacity:\t\t%d MB" % (mediatype or "NO DVD", free)
143
144         def exit(self):
145                 del self.Console
146                 hotplugNotifier.remove(self.update)
147                 self.close()
148
149 class DVDformatJob(Job):
150         def __init__(self, toolbox):
151                 Job.__init__(self, _("DVD media toolbox"))
152                 self.toolbox = toolbox
153                 DVDformatTask(self)
154                 
155         def retry(self):
156                 self.tasks[0].args += self.tasks[0].retryargs
157                 Job.retry(self)
158
159 class DVDformatTaskPostcondition(Condition):
160         RECOVERABLE = True
161         def check(self, task):
162                 return task.error is None
163
164         def getErrorMessage(self, task):
165                 return {
166                         task.ERROR_ALREADYFORMATTED: _("This DVD RW medium is already formatted - reformatting will erase all content on the disc."),
167                         task.ERROR_NOTWRITEABLE: _("Medium is not a writeable DVD!"),
168                         task.ERROR_UNKNOWN: _("An unknown error occured!")
169                 }[task.error]
170
171 class DVDformatTask(Task):
172         ERROR_ALREADYFORMATTED, ERROR_NOTWRITEABLE, ERROR_UNKNOWN = range(3)
173         def __init__(self, job, extra_args=[]):
174                 Task.__init__(self, job, ("RW medium format"))
175                 self.toolbox = job.toolbox
176                 self.postconditions.append(DVDformatTaskPostcondition())
177                 self.setTool("/bin/dvd+rw-format")
178                 self.args += [ "/dev/" + harddiskmanager.getCD() ]
179                 self.end = 1100
180                 self.retryargs = [ ]
181
182         def prepare(self):
183                 self.error = None
184
185         def processOutputLine(self, line):
186                 if line.startswith("- media is already formatted"):
187                         self.error = self.ERROR_ALREADYFORMATTED
188                         self.retryargs = [ "-force" ]
189                 if line.startswith("- media is not blank") or line.startswith("  -format=full  to perform full (lengthy) reformat;"):
190                         self.error = self.ERROR_ALREADYFORMATTED
191                         self.retryargs = [ "-blank" ]
192                 if line.startswith(":-( mounted media doesn't appear to be"):
193                         self.error = self.ERROR_NOTWRITEABLE
194
195         def processOutput(self, data):
196                 print "[DVDformatTask processOutput]  ", data
197                 if data.endswith('%'):
198                         data= data.replace('\x08','')
199                         self.progress = int(float(data[:-1])*10)
200                 else:
201                         Task.processOutput(self, data)