1 files changed, 172 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/examples/call/presencepushtask.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/examples/call/presencepushtask.cpp
new file mode 100644
index 00000000..31d1ae77
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/examples/call/presencepushtask.cpp
@@ -0,0 +1,172 @@
+/*
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "talk/examples/call/presencepushtask.h"
+#include "talk/xmpp/constants.h"
+#include <sstream>
+
+
+namespace buzz {
+
+// string helper functions -----------------------------------------------------
+template <class T> static
+bool FromString(const std::string& s,
+                 T * t) {
+  std::istringstream iss(s);
+  return !(iss>>*t).fail();
+}
+
+template <class T> static
+bool ToString(const T &t,
+               std::string* s) {
+  std::ostringstream oss;
+  oss << t;
+  *s = oss.str();
+  return !oss.fail();
+}
+
+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() != TQN_PRESENCE)
+    return false;
+  if (stanza->HasAttr(TQN_TYPE) && stanza->Attr(TQN_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(TQN_FROM)));
+
+  if (stanza->Attr(TQN_TYPE) == STR_UNAVAILABLE) {
+    s.set_available(false);
+    SignalStatusUpdate(s);
+  }
+  else {
+    s.set_available(true);
+    const XmlElement * status = stanza->FirstNamed(TQN_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(TQN_PRIORITY);
+    if (priority != NULL) {
+      int pri;
+      if (FromString(priority->BodyText(), &pri)) {
+        s.set_priority(pri);
+      }
+    }
+
+    const XmlElement * show = stanza->FirstNamed(TQN_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(TQN_CAPS_C);
+    if (caps != NULL) {
+      std::string node = caps->Attr(TQN_NODE);
+      std::string ver = caps->Attr(TQN_VER);
+      std::string exts = caps->Attr(TQN_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);
+        }
+      }
+    }
+
+    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;
+}
+
+
+}
+
+