| # $Id: chat.py 4704 2014-01-16 05:30:46Z ming $ |
| # |
| # pjsua Python GUI Demo |
| # |
| # Copyright (C)2013 Teluu Inc. (http://www.teluu.com) |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write to the Free Software |
| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| # |
| import sys |
| if sys.version_info[0] >= 3: # Python 3 |
| import tkinter as tk |
| from tkinter import ttk |
| else: |
| import Tkinter as tk |
| import ttk |
| |
| import buddy |
| import call |
| import chatgui as gui |
| import endpoint as ep |
| import pjsua2 as pj |
| import re |
| |
| SipUriRegex = re.compile('(sip|sips):([^:;>\@]*)@?([^:;>]*):?([^:;>]*)') |
| ConfIdx = 1 |
| |
| # Simple SIP uri parser, input URI must have been validated |
| def ParseSipUri(sip_uri_str): |
| m = SipUriRegex.search(sip_uri_str) |
| if not m: |
| assert(0) |
| return None |
| |
| scheme = m.group(1) |
| user = m.group(2) |
| host = m.group(3) |
| port = m.group(4) |
| if host == '': |
| host = user |
| user = '' |
| |
| return SipUri(scheme.lower(), user, host.lower(), port) |
| |
| class SipUri: |
| def __init__(self, scheme, user, host, port): |
| self.scheme = scheme |
| self.user = user |
| self.host = host |
| self.port = port |
| |
| def __cmp__(self, sip_uri): |
| if self.scheme == sip_uri.scheme and self.user == sip_uri.user and self.host == sip_uri.host: |
| # don't check port, at least for now |
| return 0 |
| return -1 |
| |
| def __str__(self): |
| s = self.scheme + ':' |
| if self.user: s += self.user + '@' |
| s += self.host |
| if self.port: s+= ':' + self.port |
| return s |
| |
| class Chat(gui.ChatObserver): |
| def __init__(self, app, acc, uri, call_inst=None): |
| self._app = app |
| self._acc = acc |
| self.title = '' |
| |
| global ConfIdx |
| self.confIdx = ConfIdx |
| ConfIdx += 1 |
| |
| # each participant call/buddy instances are stored in call list |
| # and buddy list with same index as in particpant list |
| self._participantList = [] # list of SipUri |
| self._callList = [] # list of Call |
| self._buddyList = [] # list of Buddy |
| |
| self._gui = gui.ChatFrame(self) |
| self.addParticipant(uri, call_inst) |
| |
| def _updateGui(self): |
| if self.isPrivate(): |
| self.title = str(self._participantList[0]) |
| else: |
| self.title = 'Conference #%d (%d participants)' % (self.confIdx, len(self._participantList)) |
| self._gui.title(self.title) |
| self._app.updateWindowMenu() |
| |
| def _getCallFromUriStr(self, uri_str, op = ''): |
| uri = ParseSipUri(uri_str) |
| if uri not in self._participantList: |
| print "=== %s cannot find participant with URI '%s'" % (op, uri_str) |
| return None |
| idx = self._participantList.index(uri) |
| if idx < len(self._callList): |
| return self._callList[idx] |
| return None |
| |
| def _getActiveMediaIdx(self, thecall): |
| ci = thecall.getInfo() |
| for mi in ci.media: |
| if mi.type == pj.PJMEDIA_TYPE_AUDIO and \ |
| (mi.status != pj.PJSUA_CALL_MEDIA_NONE and \ |
| mi.status != pj.PJSUA_CALL_MEDIA_ERROR): |
| return mi.index |
| return -1 |
| |
| def _getAudioMediaFromUriStr(self, uri_str): |
| c = self._getCallFromUriStr(uri_str) |
| if not c: return None |
| |
| idx = self._getActiveMediaIdx(c) |
| if idx < 0: return None |
| |
| m = c.getMedia(idx) |
| am = pj.AudioMedia.typecastFromMedia(m) |
| return am |
| |
| def _sendTypingIndication(self, is_typing, sender_uri_str=''): |
| sender_uri = ParseSipUri(sender_uri_str) if sender_uri_str else None |
| type_ind_param = pj.SendTypingIndicationParam() |
| type_ind_param.isTyping = is_typing |
| for idx, p in enumerate(self._participantList): |
| # don't echo back to the original sender |
| if sender_uri and p == sender_uri: |
| continue |
| |
| # send via call, if any, or buddy |
| sender = None |
| if self._callList[idx] and self._callList[idx].connected: |
| sender = self._callList[idx] |
| else: |
| sender = self._buddyList[idx] |
| assert(sender) |
| |
| try: |
| sender.sendTypingIndication(type_ind_param) |
| except: |
| pass |
| |
| def _sendInstantMessage(self, msg, sender_uri_str=''): |
| sender_uri = ParseSipUri(sender_uri_str) if sender_uri_str else None |
| send_im_param = pj.SendInstantMessageParam() |
| send_im_param.content = str(msg) |
| for idx, p in enumerate(self._participantList): |
| # don't echo back to the original sender |
| if sender_uri and p == sender_uri: |
| continue |
| |
| # send via call, if any, or buddy |
| sender = None |
| if self._callList[idx] and self._callList[idx].connected: |
| sender = self._callList[idx] |
| else: |
| sender = self._buddyList[idx] |
| assert(sender) |
| |
| try: |
| sender.sendInstantMessage(send_im_param) |
| except: |
| # error will be handled via Account::onInstantMessageStatus() |
| pass |
| |
| def isPrivate(self): |
| return len(self._participantList) <= 1 |
| |
| def isUriParticipant(self, uri): |
| return uri in self._participantList |
| |
| def registerCall(self, uri_str, call_inst): |
| uri = ParseSipUri(uri_str) |
| try: |
| idx = self._participantList.index(uri) |
| bud = self._buddyList[idx] |
| self._callList[idx] = call_inst |
| call_inst.chat = self |
| call_inst.peerUri = bud.cfg.uri |
| except: |
| assert(0) # idx must be found! |
| |
| def showWindow(self, show_text_chat = False): |
| self._gui.bringToFront() |
| if show_text_chat: |
| self._gui.textShowHide(True) |
| |
| def addParticipant(self, uri, call_inst=None): |
| # avoid duplication |
| if self.isUriParticipant(uri): return |
| |
| uri_str = str(uri) |
| |
| # find buddy, create one if not found (e.g: for IM/typing ind), |
| # it is a temporary one and not really registered to acc |
| bud = None |
| try: |
| bud = self._acc.findBuddy(uri_str) |
| except: |
| bud = buddy.Buddy(None) |
| bud_cfg = pj.BuddyConfig() |
| bud_cfg.uri = uri_str |
| bud_cfg.subscribe = False |
| bud.create(self._acc, bud_cfg) |
| bud.cfg = bud_cfg |
| bud.account = self._acc |
| |
| # update URI from buddy URI |
| uri = ParseSipUri(bud.cfg.uri) |
| |
| # add it |
| self._participantList.append(uri) |
| self._callList.append(call_inst) |
| self._buddyList.append(bud) |
| self._gui.addParticipant(str(uri)) |
| self._updateGui() |
| |
| def kickParticipant(self, uri): |
| if (not uri) or (uri not in self._participantList): |
| assert(0) |
| return |
| |
| idx = self._participantList.index(uri) |
| del self._participantList[idx] |
| del self._callList[idx] |
| del self._buddyList[idx] |
| self._gui.delParticipant(str(uri)) |
| |
| if self._participantList: |
| self._updateGui() |
| else: |
| self.onCloseWindow() |
| |
| def addMessage(self, from_uri_str, msg): |
| if from_uri_str: |
| # print message on GUI |
| msg = from_uri_str + ': ' + msg |
| self._gui.textAddMessage(msg) |
| # now relay to all participants |
| self._sendInstantMessage(msg, from_uri_str) |
| else: |
| self._gui.textAddMessage(msg, False) |
| |
| def setTypingIndication(self, from_uri_str, is_typing): |
| # notify GUI |
| self._gui.textSetTypingIndication(from_uri_str, is_typing) |
| # now relay to all participants |
| self._sendTypingIndication(is_typing, from_uri_str) |
| |
| def startCall(self): |
| self._gui.enableAudio() |
| call_param = pj.CallOpParam() |
| call_param.opt.audioCount = 1 |
| call_param.opt.videoCount = 0 |
| fails = [] |
| for idx, p in enumerate(self._participantList): |
| # just skip if call is instantiated |
| if self._callList[idx]: |
| continue |
| |
| uri_str = str(p) |
| c = call.Call(self._acc, uri_str, self) |
| self._callList[idx] = c |
| self._gui.audioUpdateState(uri_str, gui.AudioState.INITIALIZING) |
| |
| try: |
| c.makeCall(uri_str, call_param) |
| except: |
| self._callList[idx] = None |
| self._gui.audioUpdateState(uri_str, gui.AudioState.FAILED) |
| fails.append(p) |
| |
| for p in fails: |
| # kick participants with call failure, but spare the last (avoid zombie chat) |
| if not self.isPrivate(): |
| self.kickParticipant(p) |
| |
| def stopCall(self): |
| for idx, p in enumerate(self._participantList): |
| self._gui.audioUpdateState(str(p), gui.AudioState.DISCONNECTED) |
| c = self._callList[idx] |
| if c: |
| c.hangup(pj.CallOpParam()) |
| |
| def updateCallState(self, thecall, info = None): |
| # info is optional here, just to avoid calling getInfo() twice (in the caller and here) |
| if not info: info = thecall.getInfo() |
| |
| if info.state < pj.PJSIP_INV_STATE_CONFIRMED: |
| self._gui.audioUpdateState(thecall.peerUri, gui.AudioState.INITIALIZING) |
| elif info.state == pj.PJSIP_INV_STATE_CONFIRMED: |
| self._gui.audioUpdateState(thecall.peerUri, gui.AudioState.CONNECTED) |
| med_idx = self._getActiveMediaIdx(thecall) |
| si = thecall.getStreamInfo(med_idx) |
| stats_str = "Audio codec: %s/%s\n..." % (si.codecName, si.codecClockRate) |
| self._gui.audioSetStatsText(thecall.peerUri, stats_str) |
| elif info.state == pj.PJSIP_INV_STATE_DISCONNECTED: |
| if info.lastStatusCode/100 != 2: |
| self._gui.audioUpdateState(thecall.peerUri, gui.AudioState.FAILED) |
| else: |
| self._gui.audioUpdateState(thecall.peerUri, gui.AudioState.DISCONNECTED) |
| |
| # reset entry in the callList |
| try: |
| idx = self._callList.index(thecall) |
| if idx >= 0: self._callList[idx] = None |
| except: |
| pass |
| |
| self.addMessage(None, "Call to '%s' disconnected: %s" % (thecall.peerUri, info.lastReason)) |
| |
| # kick the disconnected participant, but the last (avoid zombie chat) |
| if not self.isPrivate(): |
| self.kickParticipant(ParseSipUri(thecall.peerUri)) |
| |
| |
| # ** callbacks from GUI (ChatObserver implementation) ** |
| |
| # Text |
| def onSendMessage(self, msg): |
| self._sendInstantMessage(msg) |
| |
| def onStartTyping(self): |
| self._sendTypingIndication(True) |
| |
| def onStopTyping(self): |
| self._sendTypingIndication(False) |
| |
| # Audio |
| def onHangup(self, peer_uri_str): |
| c = self._getCallFromUriStr(peer_uri_str, "onHangup()") |
| if not c: return |
| call_param = pj.CallOpParam() |
| c.hangup(call_param) |
| |
| def onHold(self, peer_uri_str): |
| c = self._getCallFromUriStr(peer_uri_str, "onHold()") |
| if not c: return |
| call_param = pj.CallOpParam() |
| c.setHold(call_param) |
| |
| def onUnhold(self, peer_uri_str): |
| c = self._getCallFromUriStr(peer_uri_str, "onUnhold()") |
| if not c: return |
| |
| call_param = pj.CallOpParam() |
| call_param.opt.audioCount = 1 |
| call_param.opt.videoCount = 0 |
| call_param.opt.flag |= pj.PJSUA_CALL_UNHOLD |
| c.reinvite(call_param) |
| |
| def onRxMute(self, peer_uri_str, mute): |
| am = self._getAudioMediaFromUriStr(peer_uri_str) |
| if not am: return |
| if mute: |
| am.stopTransmit(ep.Endpoint.instance.audDevManager().getPlaybackDevMedia()) |
| self.addMessage(None, "Muted audio from '%s'" % (peer_uri_str)) |
| else: |
| am.startTransmit(ep.Endpoint.instance.audDevManager().getPlaybackDevMedia()) |
| self.addMessage(None, "Unmuted audio from '%s'" % (peer_uri_str)) |
| |
| def onRxVol(self, peer_uri_str, vol_pct): |
| am = self._getAudioMediaFromUriStr(peer_uri_str) |
| if not am: return |
| # pjsua volume range = 0:mute, 1:no adjustment, 2:100% louder |
| am.adjustRxLevel(vol_pct/50.0) |
| self.addMessage(None, "Adjusted volume level audio from '%s'" % (peer_uri_str)) |
| |
| def onTxMute(self, peer_uri_str, mute): |
| am = self._getAudioMediaFromUriStr(peer_uri_str) |
| if not am: return |
| if mute: |
| ep.Endpoint.instance.audDevManager().getCaptureDevMedia().stopTransmit(am) |
| self.addMessage(None, "Muted audio to '%s'" % (peer_uri_str)) |
| else: |
| ep.Endpoint.instance.audDevManager().getCaptureDevMedia().startTransmit(am) |
| self.addMessage(None, "Unmuted audio to '%s'" % (peer_uri_str)) |
| |
| # Chat room |
| def onAddParticipant(self): |
| buds = [] |
| dlg = AddParticipantDlg(None, self._app, buds) |
| if dlg.doModal(): |
| for bud in buds: |
| uri = ParseSipUri(bud.cfg.uri) |
| self.addParticipant(uri) |
| if not self.isPrivate(): |
| self.startCall() |
| |
| def onStartAudio(self): |
| self.startCall() |
| |
| def onStopAudio(self): |
| self.stopCall() |
| |
| def onCloseWindow(self): |
| self.stopCall() |
| # will remove entry from list eventually destroy this chat? |
| if self in self._acc.chatList: self._acc.chatList.remove(self) |
| self._app.updateWindowMenu() |
| # destroy GUI |
| self._gui.destroy() |
| |
| |
| class AddParticipantDlg(tk.Toplevel): |
| """ |
| List of buddies |
| """ |
| def __init__(self, parent, app, bud_list): |
| tk.Toplevel.__init__(self, parent) |
| self.title('Add participants..') |
| self.transient(parent) |
| self.parent = parent |
| self._app = app |
| self.buddyList = bud_list |
| |
| self.isOk = False |
| |
| self.createWidgets() |
| |
| def doModal(self): |
| if self.parent: |
| self.parent.wait_window(self) |
| else: |
| self.wait_window(self) |
| return self.isOk |
| |
| def createWidgets(self): |
| # buddy list |
| list_frame = ttk.Frame(self) |
| list_frame.pack(side=tk.TOP, fill=tk.BOTH, expand=1, padx=20, pady=20) |
| #scrl = ttk.Scrollbar(self, orient=tk.VERTICAL, command=list_frame.yview) |
| #list_frame.config(yscrollcommand=scrl.set) |
| #scrl.pack(side=tk.RIGHT, fill=tk.Y) |
| |
| # draw buddy list |
| self.buddies = [] |
| for acc in self._app.accList: |
| self.buddies.append((0, acc.cfg.idUri)) |
| for bud in acc.buddyList: |
| self.buddies.append((1, bud)) |
| |
| self.bud_var = [] |
| for idx,(flag,bud) in enumerate(self.buddies): |
| self.bud_var.append(tk.IntVar()) |
| if flag==0: |
| s = ttk.Separator(list_frame, orient=tk.HORIZONTAL) |
| s.pack(fill=tk.X) |
| l = tk.Label(list_frame, anchor=tk.W, text="Account '%s':" % (bud)) |
| l.pack(fill=tk.X) |
| else: |
| c = tk.Checkbutton(list_frame, anchor=tk.W, text=bud.cfg.uri, variable=self.bud_var[idx]) |
| c.pack(fill=tk.X) |
| s = ttk.Separator(list_frame, orient=tk.HORIZONTAL) |
| s.pack(fill=tk.X) |
| |
| # Ok/cancel buttons |
| tail_frame = ttk.Frame(self) |
| tail_frame.pack(side=tk.BOTTOM, fill=tk.BOTH, expand=1) |
| |
| btnOk = ttk.Button(tail_frame, text='Ok', default=tk.ACTIVE, command=self.onOk) |
| btnOk.pack(side=tk.LEFT, padx=20, pady=10) |
| btnCancel = ttk.Button(tail_frame, text='Cancel', command=self.onCancel) |
| btnCancel.pack(side=tk.RIGHT, padx=20, pady=10) |
| |
| def onOk(self): |
| self.buddyList[:] = [] |
| for idx,(flag,bud) in enumerate(self.buddies): |
| if not flag: continue |
| if self.bud_var[idx].get() and not (bud in self.buddyList): |
| self.buddyList.append(bud) |
| |
| self.isOk = True |
| self.destroy() |
| |
| def onCancel(self): |
| self.destroy() |