+class Session:
+ def __init__(self, desktop = None, summary_desktop = None, navigation = None):
+ self.desktop = desktop
+ self.summary_desktop = summary_desktop
+ self.nav = navigation
+ self.delay_timer = eTimer()
+ self.delay_timer.timeout.get().append(self.processDelay)
+
+ self.current_dialog = None
+
+ self.dialog_stack = [ ]
+ self.summary_stack = [ ]
+ self.summary = None
+
+ for p in plugins.getPlugins(PluginDescriptor.WHERE_SESSIONSTART):
+ p(reason=0, session=self)
+
+ def processDelay(self):
+ self.execEnd()
+
+ callback = self.current_dialog.callback
+
+ retval = self.current_dialog.returnValue
+
+ if self.current_dialog.isTmp:
+ self.current_dialog.doClose()
+# dump(self.current_dialog)
+ del self.current_dialog
+ else:
+ del self.current_dialog.callback
+
+ self.popCurrent()
+ if callback is not None:
+ callback(*retval)
+
+ def execBegin(self):
+ c = self.current_dialog
+
+ self.pushSummary()
+
+ summary = c.createSummary() or SimpleSummary
+ self.summary = self.instantiateSummaryDialog(summary, c)
+ self.summary.show()
+
+ c.addSummary(self.summary)
+ c.execBegin()
+
+ # when execBegin opened a new dialog, don't bother showing the old one.
+ if c == self.current_dialog:
+ c.show()
+
+ def execEnd(self):
+ self.current_dialog.execEnd()
+ self.current_dialog.hide()
+ self.current_dialog.removeSummary(self.summary)
+ self.popSummary()
+
+ def create(self, screen, arguments, **kwargs):
+ # creates an instance of 'screen' (which is a class)
+ try:
+ return screen(self, *arguments, **kwargs)
+ except:
+ errstr = "Screen %s(%s, %s): %s" % (str(screen), str(arguments), str(kwargs), sys.exc_info()[0])
+ print errstr
+ traceback.print_exc(file=sys.stdout)
+ quitMainloop(5)
+
+ def instantiateDialog(self, screen, *arguments, **kwargs):
+ return self.doInstantiateDialog(screen, arguments, kwargs, self.desktop)
+
+ def instantiateSummaryDialog(self, screen, *arguments, **kwargs):
+ return self.doInstantiateDialog(screen, arguments, kwargs, self.summary_desktop)
+
+ def doInstantiateDialog(self, screen, arguments, kwargs, desktop):
+ # create dialog
+
+ try:
+ dlg = self.create(screen, arguments, **kwargs)
+ except:
+ print 'EXCEPTION IN DIALOG INIT CODE, ABORTING:'
+ print '-'*60
+ traceback.print_exc(file=sys.stdout)
+ quitMainloop(5)
+ print '-'*60
+
+ if dlg is None:
+ return
+
+ # read skin data
+ readSkin(dlg, None, dlg.skinName, desktop)
+
+ # create GUI view of this dialog
+ assert desktop is not None
+
+ z = 0
+ title = ""
+ for (key, value) in dlg.skinAttributes:
+ if key == "zPosition":
+ z = int(value)
+ elif key == "title":
+ title = value
+
+ dlg.instance = eWindow(desktop, z)
+ dlg.title = title
+ applyAllAttributes(dlg.instance, desktop, dlg.skinAttributes)
+ gui = GUIOutputDevice()
+ gui.parent = dlg.instance
+ gui.create(dlg, desktop)
+
+ return dlg
+
+ def pushCurrent(self):
+ if self.current_dialog:
+ self.dialog_stack.append(self.current_dialog)
+ self.execEnd()
+
+ def popCurrent(self):
+ if len(self.dialog_stack):
+ self.current_dialog = self.dialog_stack.pop()
+ self.execBegin()
+ else:
+ self.current_dialog = None
+
+ def execDialog(self, dialog):
+ self.pushCurrent()
+ self.current_dialog = dialog
+ self.current_dialog.isTmp = False
+ self.current_dialog.callback = None # would cause re-entrancy problems.
+ self.execBegin()
+
+ def openWithCallback(self, callback, screen, *arguments, **kwargs):
+ dlg = self.open(screen, *arguments, **kwargs)
+ dlg.callback = callback
+
+ def open(self, screen, *arguments, **kwargs):
+ self.pushCurrent()
+ dlg = self.current_dialog = self.instantiateDialog(screen, *arguments, **kwargs)
+ dlg.isTmp = True
+ dlg.callback = None
+ self.execBegin()
+ return dlg
+
+ def keyEvent(self, code):
+ print "code " + str(code)
+
+ def close(self, *retval):
+ self.current_dialog.returnValue = retval
+ self.delay_timer.start(0, 1)
+
+ def pushSummary(self):
+ if self.summary is not None:
+ self.summary.hide()
+ self.summary_stack.append(self.summary)
+ self.summary = None
+
+ def popSummary(self):
+ if self.summary is not None:
+ self.summary.doClose()
+ self.summary = self.summary_stack.pop()
+ if self.summary is not None:
+ self.summary.show()
+
+from Screens.Volume import Volume
+from Screens.Mute import Mute
+from GlobalActions import globalActionMap
+from Components.config import ConfigSubsection, configSequence, configElement, configsequencearg
+
+#TODO .. move this to a own .py file
+class VolumeControl:
+ """Volume control, handles volUp, volDown, volMute actions and display
+ a corresponding dialog"""
+ def __init__(self, session):
+ global globalActionMap
+ globalActionMap.actions["volumeUp"]=self.volUp
+ globalActionMap.actions["volumeDown"]=self.volDown
+ globalActionMap.actions["volumeMute"]=self.volMute