1# Copyright (c) 2010 Google Inc. All rights reserved.
2#
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions are
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7#     * Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.
9#     * Redistributions in binary form must reproduce the above
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11# in the documentation and/or other materials provided with the
12# distribution.
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15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29from webkitpy.tool.bot import irc_command
30
31from webkitpy.common.net.irc.ircbot import IRCBotDelegate
32from webkitpy.common.thread.threadedmessagequeue import ThreadedMessageQueue
33
34
35class _IRCThreadTearoff(IRCBotDelegate):
36    def __init__(self, password, message_queue, wakeup_event):
37        self._password = password
38        self._message_queue = message_queue
39        self._wakeup_event = wakeup_event
40
41    # IRCBotDelegate methods
42
43    def irc_message_received(self, nick, message):
44        self._message_queue.post([nick, message])
45        self._wakeup_event.set()
46
47    def irc_nickname(self):
48        return "sheriffbot"
49
50    def irc_password(self):
51        return self._password
52
53
54class SheriffIRCBot(object):
55    def __init__(self, tool, sheriff):
56        self._tool = tool
57        self._sheriff = sheriff
58        self._message_queue = ThreadedMessageQueue()
59
60    def irc_delegate(self):
61        return _IRCThreadTearoff(self._tool.irc_password,
62                                 self._message_queue,
63                                 self._tool.wakeup_event)
64
65    def process_message(self, message):
66        (nick, request) = message
67        tokenized_request = request.strip().split(" ")
68        if not tokenized_request:
69            return
70        command = irc_command.commands.get(tokenized_request[0])
71        args = tokenized_request[1:]
72        if not command:
73            # Give the peoples someone to talk with.
74            command = irc_command.Eliza
75            args = tokenized_request
76        response = command().execute(nick, args, self._tool, self._sheriff)
77        if response:
78            self._tool.irc().post(response)
79
80    def process_pending_messages(self):
81        (messages, is_running) = self._message_queue.take_all()
82        for message in messages:
83            self.process_message(message)
84