| /* |
| * Jingle call example |
| * Copyright 2004--2005, Google Inc. |
| * |
| * 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 |
| */ |
| |
| #include "talk/base/stringencode.h" |
| #include "talk/examples/login/presencepushtask.h" |
| #include "talk/xmpp/constants.h" |
| #include <sstream> |
| |
| |
| namespace buzz { |
| |
| // string helper functions ----------------------------------------------------- |
| |
| static bool |
| IsXmlSpace(int ch) { |
| return ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t'; |
| } |
| |
| static bool |
| ListContainsToken(const std::string & list, const std::string & token) { |
| size_t i = list.find(token); |
| if (i == std::string::npos || token.empty()) |
| return false; |
| bool boundary_before = (i == 0 || IsXmlSpace(list[i - 1])); |
| bool boundary_after = (i == list.length() - token.length() || IsXmlSpace(list[i + token.length()])); |
| return boundary_before && boundary_after; |
| } |
| |
| |
| bool |
| PresencePushTask::HandleStanza(const XmlElement * stanza) { |
| if (stanza->Name() != QN_PRESENCE) |
| return false; |
| if (stanza->HasAttr(QN_TYPE) && stanza->Attr(QN_TYPE) != STR_UNAVAILABLE) |
| return false; |
| QueueStanza(stanza); |
| return true; |
| } |
| |
| static bool IsUtf8FirstByte(int c) { |
| return (((c)&0x80)==0) || // is single byte |
| ((unsigned char)((c)-0xc0)<0x3e); // or is lead byte |
| } |
| |
| int |
| PresencePushTask::ProcessStart() { |
| const XmlElement * stanza = NextStanza(); |
| if (stanza == NULL) |
| return STATE_BLOCKED; |
| Status s; |
| |
| s.set_jid(Jid(stanza->Attr(QN_FROM))); |
| |
| if (stanza->Attr(QN_TYPE) == STR_UNAVAILABLE) { |
| s.set_available(false); |
| SignalStatusUpdate(s); |
| } |
| else { |
| s.set_available(true); |
| const XmlElement * status = stanza->FirstNamed(QN_STATUS); |
| if (status != NULL) { |
| s.set_status(status->BodyText()); |
| |
| // Truncate status messages longer than 300 bytes |
| if (s.status().length() > 300) { |
| size_t len = 300; |
| |
| // Be careful not to split legal utf-8 chars in half |
| while (!IsUtf8FirstByte(s.status()[len]) && len > 0) { |
| len -= 1; |
| } |
| std::string truncated(s.status(), 0, len); |
| s.set_status(truncated); |
| } |
| } |
| |
| const XmlElement * priority = stanza->FirstNamed(QN_PRIORITY); |
| if (priority != NULL) { |
| int pri; |
| if (talk_base::FromString(priority->BodyText(), &pri)) { |
| s.set_priority(pri); |
| } |
| } |
| |
| const XmlElement * show = stanza->FirstNamed(QN_SHOW); |
| if (show == NULL || show->FirstChild() == NULL) { |
| s.set_show(Status::SHOW_ONLINE); |
| } |
| else { |
| if (show->BodyText() == "away") { |
| s.set_show(Status::SHOW_AWAY); |
| } |
| else if (show->BodyText() == "xa") { |
| s.set_show(Status::SHOW_XA); |
| } |
| else if (show->BodyText() == "dnd") { |
| s.set_show(Status::SHOW_DND); |
| } |
| else if (show->BodyText() == "chat") { |
| s.set_show(Status::SHOW_CHAT); |
| } |
| else { |
| s.set_show(Status::SHOW_ONLINE); |
| } |
| } |
| |
| const XmlElement * caps = stanza->FirstNamed(QN_CAPS_C); |
| if (caps != NULL) { |
| std::string node = caps->Attr(QN_NODE); |
| std::string ver = caps->Attr(QN_VER); |
| std::string exts = caps->Attr(QN_EXT); |
| |
| s.set_know_capabilities(true); |
| |
| if (node == GOOGLE_CLIENT_NODE) { |
| s.set_is_google_client(true); |
| s.set_version(ver); |
| if (ListContainsToken(exts, "voice-v1")) { |
| s.set_phone_capability(true); |
| } |
| if (ListContainsToken(exts, "share-v1")) { |
| s.set_fileshare_capability(true); |
| } |
| } |
| } |
| |
| const XmlElement* delay = stanza->FirstNamed(kQnDelayX); |
| if (delay != NULL) { |
| // Ideally we would parse this according to the Psuedo ISO-8601 rules |
| // that are laid out in JEP-0082: |
| // http://www.jabber.org/jeps/jep-0082.html |
| std::string stamp = delay->Attr(kQnStamp); |
| s.set_sent_time(stamp); |
| } |
| |
| SignalStatusUpdate(s); |
| } |
| |
| return STATE_START; |
| } |
| |
| |
| } |
| |
| |