def main(self):
self.device_mgr = UPnPDeviceManager()
self.device_mgr.connect("device_available", self.device_available)
self.device_mgr.connect("device_unavailable", self.device_unavailable)
# Determine which kind of UI to use based on whats available
try:
import hildon
from gui.hildonui import HildonZhaanUI as ZhaanUI
except:
import traceback
print "*" * 10
print "Error importing hildon"
traceback.print_exc()
print "*" * 10
print "Attempting to load GTK UI"
pass
if not "ZhaanUI" in dir():
try:
import gtk
from gui.gtkui import GTKZhaanUI as ZhaanUI
except:
sys.stderr.write("Could not find hildon or gtk.")
sys.exit(1)
GObject.timeout_add(1000, self.update_renderer_status)
self.ui = ZhaanUI(self)
self.ui.main()
class Zhaan(object):
def __init__(self):
self.devices = []
self.introspections = {}
self.device_services = {}
self.ui = None
self.cps = []
self.contexts = []
self.created_files = []
self.config = ZhaanConfig()
def main(self):
self.device_mgr = UPnPDeviceManager()
self.device_mgr.connect("device_available", self.device_available)
self.device_mgr.connect("device_unavailable", self.device_unavailable)
# Determine which kind of UI to use based on whats available
try:
import hildon
from gui.hildonui import HildonZhaanUI as ZhaanUI
except:
import traceback
print "*" * 10
print "Error importing hildon"
traceback.print_exc()
print "*" * 10
print "Attempting to load GTK UI"
pass
if not "ZhaanUI" in dir():
try:
import gtk
from gui.gtkui import GTKZhaanUI as ZhaanUI
except:
sys.stderr.write("Could not find hildon or gtk.")
sys.exit(1)
GObject.timeout_add(1000, self.update_renderer_status)
self.ui = ZhaanUI(self)
self.ui.main()
def update_renderer_status(self):
for device in self.ui.renderers:
serv = self.device_mgr.is_renderer(device)
def loaded(service, action, data):
keys = ["CurrentTransportState",
"CurrentTransportStatus",
"CurrentSpeed"]
try:
success, return_data = service.end_action_list(action, keys,
[GObject.TYPE_STRING,
GObject.TYPE_STRING,
GObject.TYPE_STRING]
)
except:
return
if return_data:
return_data = dict(zip(keys, return_data))
self.ui.update_renderer_status(
data,
return_data["CurrentTransportState"])
return_data = serv.begin_action_list("GetTransportInfo",
["InstanceID"],
["0"],
loaded, device)
return True
def device_available(self, manager, device):
if device.is_source:
self.ui.add_source(device, device.icon_file)
if device.is_renderer:
self.ui.add_renderer(device, device.icon_file)
def device_unavailable(self, manager, device):
if not device:
return
if device.is_source:
self.ui.remove_source(device)
if device.is_renderer:
self.ui.remove_renderer(device)
def set_volume(self, renderer, volume):
control = self.device_mgr.get_service_on_device(renderer,
"RenderingControl")
if not control:
return
try:
result, data = control.send_action_list("SetVolume", ["InstanceID",
"Channel",
"DesiredVolume"],
["0", "Master", str(volume)],
[], [])
except:
pass # Maybe show something in the UI?
def get_volume(self, renderer):
control = self.device_mgr.get_service_on_device(renderer,
"RenderingControl")
if not control:
return
result, data = control.send_action_list("GetVolume", ["InstanceID",
"Channel"],
["0", "Master"],
["CurrentVolume"],
[GObject.TYPE_STRING]
)
if result and data:
return data[0]
return 0
def get_renderer_status(self, renderer):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
if not av_serv:
return {}
out_keys = ["Track",
"TrackDuration",
"TrackMetaData",
"TrackURI",
"RelTime",
"AbsTime"]
out_types = [GObject.TYPE_STRING for i in range(6)]
in_keys = ["InstanceID"]
result, data = av_serv.send_action_list("GetPositionInfo", in_keys,
["0"],
out_keys,
out_types)
if not result or not data:
return {}
data = dict(zip(out_keys, data))
if data.get("TrackMetaData"):
parser = None
try:
parser = DIDLParser(data["TrackMetaData"])
except:
pass
if parser and parser.objects:
data["TrackMetaData"] = parser.objects[0]
else:
del data["TrackMetaData"]
return data
def set_next_uri(self, source, renderer, item):
resources = None
if item:
resources = item.get_resources()
if not resources:
return
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
if not av_serv:
return
try:
av_serv.send_action_list("SetNextAVTransportURI", ["InstanceID", "NextURI"],
["0", resources[0]], [], [])
except:
pass
def stop_object(self, source, renderer, item):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
av_serv.send_action_list("Stop", ["InstanceID"],
["0"], [], [])
def pause_object(self, source, renderer, item):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
av_serv.send_action_list("Pause", ["InstanceID"],
["0"], [], [])
def prev_object(self, source, renderer, item):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
av_serv.send_action_list("Previous", ["InstanceID"],
["0"], [], [])
def next_object(self, source, renderer, item):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
av_serv.send_action_list("Next", ["InstanceID"],
["0"], [], [])
def seek_object(self, source, renderer, item, abs_time):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
av_serv.send_action_list("Seek", ["InstanceID", "Unit", "Target"],
["0", "ABS_TIME", abs_time], [], [])
def play_object(self, source, renderer, item):
resources = None
if item:
resources = item.get_resources()
uri = ""
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
if not av_serv:
print "Renderer is invalid?"
self.ui.remove_renderer(renderer)
return
if resources:
uri = resources[0].get_uri()
data = {"InstanceID": "0", "CurrentURI": uri, "CurrentURIMetaData": uri}
act = UPnPAction(renderer,
av_serv,
"SetAVTransportURI",
data)
act.register_device_manager(self.device_mgr)
act.execute()
else:
print "No Resources for item?"
data = {"InstanceID": "0", "CurrentURI": uri, "CurrentURIMetaData": uri, "Speed": 1}
act = UPnPAction(renderer,
av_serv,
"Play",
data)
act.register_device_manager(self.device_mgr)
act.execute()
def play(self, source, renderer, item):
av_serv = self.device_mgr.get_service_on_device(renderer, "AVTransport")
if not av_serv:
print "Renderer is invalid?"
self.ui.remove_renderer(renderer)
return
data = {"InstanceID": "0", "Speed": 1}
act = UPnPAction(renderer,
av_serv,
"Play",
data)
act.register_device_manager(self.device_mgr)
act.execute()
def children_loaded(self, service, action, data):
"""
Ends the action and loads the data
"""
self.ui.end_progress_indicator()
keys = ["Result", "NumberReturned", "TotalMatches", "UpdateID"]
success, return_data = service.end_action_list(action, keys,
[GObject.TYPE_STRING,
GObject.TYPE_STRING,
GObject.TYPE_STRING,
GObject.TYPE_STRING])
return_data = dict(zip(keys, return_data))
if not success:
print "Browse Node Action Failed"
return
parser = DIDLParser(return_data["Result"])
if not data:
self.ui.clear_source_browser()
for c in parser.containers:
self.ui.add_container(c)
for o in parser.objects:
self.ui.add_object(o)
else:
for c in parser.containers:
data(c)
for o in parser.objects:
data(o)
def load_children(self, device, object_id=0, callback=None):
"""
Make an asynchronous call to download the children of this node
The UI will call this and then continue. The calback for the
async browse function will populate the UI
"""
self.ui.begin_progress_indicator()
serv = self.device_mgr.is_source(device)
# It's possible this is a stale device or other problems
if not serv:
return
return_data = serv.begin_action_list("Browse",
["ObjectID",
"BrowseFlag",
"Filter",
"StartingIndex",
"RequestedCount",
"SortCriteria"],
[str(object_id),
"BrowseDirectChildren",
"*",
"0",
"0",
""],
self.children_loaded, callback)
