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# *****************************************************************************
# * Copyright (c) 2011, 2013 Wind River Systems, Inc. and others.
# * All rights reserved. This program and the accompanying materials
# * are made available under the terms of the Eclipse Public License v1.0
# * which accompanies this distribution, and is available at
# * http://www.eclipse.org/legal/epl-v10.html
# *
# * Contributors:
# * Wind River Systems - initial API and implementation
# *****************************************************************************
from .. import terminals
from ... import channel
from ...channel.Command import Command
class TerminalContext(terminals.TerminalContext):
def __init__(self, service, props):
super(TerminalContext, self).__init__(props)
self.service = service
def exit(self, done):
service = self.service
done = service._makeCallback(done)
context_id = self.getID()
class ExitCommand(Command):
def __init__(self):
super(ExitCommand, self).__init__(
service.channel, service, "exit", (context_id,))
def done(self, error, args):
if not error:
assert len(args) == 1
error = self.toError(args[0])
done.doneCommand(self.token, error)
return ExitCommand().token
class TerminalsProxy(terminals.TerminalsService):
def __init__(self, channel):
self.channel = channel
self.listeners = {}
def getContext(self, contextID, done):
done = self._makeCallback(done)
service = self
class GetContextCommand(Command):
def __init__(self):
super(GetContextCommand, self).__init__(
service.channel, service, "getContext", (contextID,))
def done(self, error, args):
ctx = None
if not error:
assert len(args) == 2
error = self.toError(args[0])
if args[1]:
ctx = TerminalContext(service, args[1])
done.doneGetContext(self.token, error, ctx)
return GetContextCommand().token
def launch(self, terminal_type, encoding, environment, done):
done = self._makeCallback(done)
service = self
class LaunchCommand(Command):
def __init__(self):
super(LaunchCommand, self).__init__(service.channel, service,
"launch",
(terminal_type, encoding,
environment))
def done(self, error, args):
ctx = None
if not error:
assert len(args) == 2
error = self.toError(args[0])
if args[1]:
ctx = TerminalContext(service, args[1])
done.doneLaunch(self.token, error, ctx)
return LaunchCommand().token
def setWinSize(self, context_id, newWidth, newHeight, done):
done = self._makeCallback(done)
service = self
class SetWinSizeCommand(Command):
def __init__(self):
super(SetWinSizeCommand, self).__init__(service.channel,
service, "setWinSize",
(context_id, newWidth,
newHeight))
def done(self, error, args):
if not error:
assert len(args) == 1
error = self.toError(args[0])
done.doneCommand(self.token, error)
return SetWinSizeCommand().token
def exit(self, context_id, done):
done = self._makeCallback(done)
service = self
class ExitCommand(Command):
def __init__(self):
super(ExitCommand, self).__init__(service.channel, service,
"exit", (context_id,))
def done(self, error, args):
if not error:
assert len(args) == 1
error = self.toError(args[0])
done.doneCommand(self.token, error)
return ExitCommand().token
def addListener(self, listener):
l = ChannelEventListener(self, listener)
self.channel.addEventListener(self, l)
self.listeners[listener] = l
def removeListener(self, listener):
l = self.listeners.pop(listener, None)
if l:
self.channel.removeEventListener(self, l)
class ChannelEventListener(channel.EventListener):
def __init__(self, service, listener):
self.service = service
self.listener = listener
def event(self, name, data):
try:
args = channel.fromJSONSequence(data)
if name == "exited":
assert len(args) == 2
self.listener.exited(args[0], args[1])
elif name == "winSizeChanged":
assert len(args) == 3
self.listener.winSizeChanged(args[0], args[1], args[2])
else:
raise IOError("Terminals service: unknown event: " + name)
except Exception as x:
self.service.channel.terminate(x)
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